- DL manuals
- Nautel
- Transmitter
- VS2.5
- Troubleshooting Manual
Nautel VS2.5 Troubleshooting Manual - page 166
Issue 4.0 2012-12-01
MD-3
Figure MD-3: NAPE87 Exciter/Control PWB
R476
C5
R
255
L5
C3
8
C5
2
R4
2
L18
C89
R360
L20
R366
R110
C417
C429
L1
02
C427
C
144
R39
6
R137
C168
C
475
C491
C175
C50
9
C52
5
R179
C187
R1
90
L153
R2
17
R21
8
R214
R215
R211
R22
2
C570
C211
L49
R234
C206
L4
7
R24
2
C14
C1
5
C1
0
L2
C9
C13
R2
60
CR8
CR7
L59
R
256
C22
7
C23
R2
2
L4
C22
R21
R20
C2
1
C2
42
C23
9
C2
43
L6
3
C
240
C24
1
C2
32
R265
R31
R29
C29
C34
R27
C35
C40
C37
C
251
R28
0
L64
C6
0
C5
4
C5
5
R34
C4
9
R38
C50
C56
R2
91
R292
L66
C2
60
C258
C25
7
C25
9
C
256
R45
R43
R298
L68
C
272
C265
R29
7
C264
R30
1
R30
2
R
299
L14
C72
R
308
L72
C27
9
CR1
6
CR1
5
CR1
3
C28
0
R325
R324
C2
88
C8
6
R16
2
C2
97
C29
6
C29
9
R81
C8
8
C90
C3
13
L1
78
L
177
C59
1
C3
17
C311
C316
C31
5
L81
C3
07
C335
C
334
R353
R361
R3
59
C360
C
359
C
349
C
361
C1
05
C3
82
C3
86
C3
92
C
372
C
380
R367
C37
1
C374
L2
8
C122
C1
13
C4
03
L3
0
C1
27
R1
11
C126
L92
C408
C1
32
L9
7
L98
C4
20
L96
U56
C
428
C
425
R
389
R39
1
C14
6
R397
R130
C15
1
C45
8
C46
2
C4
56
C4
57
C4
61
R40
2
R13
8
R135
U70
C164
C167
L1
22
C47
3
C47
4
C48
1
C47
6
C470
C4
69
C471
C1
73
R155
R1
54 R159
R157
R1
58
R1
53
R152
C490
R4
11
R
414
R17
1
R169
R170
R16
3
R1
68
R1
62
R16
7
C505
C506
R419
C507
C1
79
C178
U82
L
126
C534
C52
4
C530
C141
C5
21
C5
26
C180
R178
R176
U1
1
8
R
432
C54
5
C53
6
C5
44
C183
R4
44
C55
3
C5
54
C188
R19
1
R189
C
561
L135
L1
41
R4
50
R19
8
R203
L152
R454
R
453
R2
1
3
R220
R216
L4
0
R221
R20
9
U1
2
1
R45
7
L15
4
C569
C212
CR6
CR5
CR4
L50
R23
2
R233
C205
C20
3
L48
L1
69
L
170
L168
C215
C
586
C5
90
R4
75
R1
C6
C3
R8
R257
C2
6
C3
9
R279
C53
R30
0
R52
CR14
C287
C84
R161
C2
98
C33
1
C32
7
C387
C384
C1
21
C4
04
R371
C1
24
R11
6
C13
1
CR2
CR3
C13
6
R
390
R392
R
394
R1
41
C479
C482
C47
2
R156
RT
1
C520
C52
3
R
175
R177
R4
34
C54
8
R182
R186
R44
0
C
559
C560
R204
C1
96
C197
C56
8
C57
7
R46
9
R47
3
C
589
C588
C1
6
C20
R11
R5
R6
R9
U5
C1
R7
L61
L58
C225
C224
R249
R247
R254
R253
C5
7
C4
5
C61
C65
C42
L7
L12
L6
L11
R30
C69
R44
C67
C70
L8
R37
R46
R23
C252
C268
C249
C246
R295
C261
R281
C248
R290
R293
C2
44
C247
C253
R277
R278
R267
R266
C82
C85
R59
L16
C77
R76
R77
R73
R79
R55
R72
R68
R70
R69
U27
R63
R74
R62
R64
C80
C75
R61
R60
L82
R346
C291
C312
C285
R313
R338
C302
C294
C283
C282
R322
R330
L77
C292
R328
R333
R320
L76
R31
6
C112
R107
C119
R108
C109
R106
C107C118
R105
C115
R103
C116
R104
C103
C102
U44
R100
C100
C97
R91
R97
C123
L25
R102
U36
R94
R96
L24
R363
C353
C354
C351
C
398
C
366
L90
C381
C390
C378
C375
C394
R372
C357
R365
R125
C140
R11
9
L34 C142
C139
U57
L31
R113
C128
R126
L109
L110
L107
L118
R388
L105
L116
C434
C436
C422
C426
C432
R395
C439
C437
C423
R386
C413
C419
C161
R133
C158
C157
C169
R16
6
R148
R149
R165
TP
8
R142
C166
R140
C165
R416
R415
C499
R417
R43
0
L123
R42
5
C493
R424
R422
R423
C489
C497
C485
C467
C500
R4
08
TP15
R195
TP16
R185
R174
R187
R183
R181
L142
L136
L128
L130
R446
R436
R
438
C
529
C542
C543
C541
C540
C537
R443
C557
R449
L132
R236
L46
L45
L43
C2
01
R212
C208
R226
C20
4
R241
R239
R235
R237
L1
60
R467
L1
66
C583
C582
C581
R459
L167
L161
L173
L172
C575
R461
R460
C579
R464
R472
R471
C578
L174
C573
C584
L163
L157
R458
R13
C11
R2
R19
R1
2
U1
R10
C1
2
C19
C8
R4
C7
C4
J1
6
1
1
C
B
1
A
(LO
WER)
(USB)
(RJ4
5)
1
(MIDDL
E)
(USB)
(U
PPER)
J8
L60
R259
C23
3
C234
L57
R252
R250
C228
R258
C22
9
L62
C23
6
C222
R248
C226
C4
7
C48
C59
R4
0
R39
R35
R3
3
C41
C30
C51
C64
R25
U1
0
L10
C43
R26
R41
C4
4
R47
L13
C68
R32
U1
1
GN
D
IN
OU
T
U1
2
U7
C66
C62
R3
6
R24
C27
C36
C28
1
E1
R29
6
R
304
L6
5
L6
7
L70
C26
3
C278
C26
7
C25
4
R30
3
C250
C255
C262
R294
R288
R274
R270
C270
R289
C245
R2
82
CR1
1
CR10
CR9
R2
85
C
276
C275
R28
7
R286
R
284
C2
69
L6
9
R26
8
CR1
2
R276
C273
U2
6
C78
L19
L17
U2
0
U25
R78
U22
R75
U19
R84
C81
C87
R80
U28
R54
C91
U1
7
R53
C83
R67 R82
U21
R71
C76
C79
T4
R
356
TP
2
0
T3
C322
L78 L79
C30
3
C308
Y6
C284
C31
0
C293
R334
R32
9
L80
R327
C301
C309
C320
C306
C30
5
C300
C31
9
R31
7
C321
C
290
C289
R319
CR19
R336
R335
C3
04
CR17
L75
C110
L23
L22
C120
C117
C106
C108
U45
C1
25
U41
U35
L2
9
R99
C101
U48
TP6
U43
U42
R101
C11
4
R92
C1
11
C96
C9
5
L21
U3
7
R90
R98
C99
C104
U3
8
C98
R95
L27
R93
R364
C401
C400
C347
C393
C370
C348
C355
C397
C3
83
L91
C364
R3
79
C36
9
C
391
C36
5
C39
6
C352
C350
C345
C395
C379
C377
C376
C389
C40
7
C
362
C
338
C388
R370
C36
8
C337
C358
C356
C402
R375
C
367
U105
R122
C147
C1
45
R1
28
R115
C143
R127
L32
R1
14
C130
C1
29
C133
R124
C149
C13
7
U58
C141
C
134
R123
U61
U53
L33
R117
U5
4
U55
U6
0
R129
C138
L120
L108
L119
L106
L117
L121
L114
C435
L99
L113
L10
1
C43
1
L10
4
L9
5
L9
4
C
414
C438
L111
C433
C440
L100
R400
R39
3
C4
42
C430
C4
24
C44
1
C41
1
C421
R385
C418
L103
R38
4
CR
2
1
R3
99
C412
C415
C159
C160
R15
0
C162
R1
51
Y5
C156
U75
C1
76
R13
1
R136
R132
R134
C1
71
C163
C170
U7
1
TP
9
R164
U78
TP7
R14
3
R145
R1
61
R14
6
R14
4
R160
R147
L36
R139
C494
R418
C5
16
R42
9
C492
R421
C510
C488
C466
C5
15
C50
1
C46
4
C46
8
C46
5
C
478
R412
C47
7
R428
C496
C
495
C51
1
R413
R420
R4
27
R
426
C4
84
C
483
R4
05
R4
09
C498
C480
R40
7
R4
10
C192
U90
C182
C189
C191
C185
C179
R19
2
TP14
R196
R193
U8
9
U8
8
C17
8
C184
R1
94
C177
C181
R201
R180
R18
8
R184
U8
6
U9
3
U9
2
L139
L14
3
R
451
U1
1
6
R439
L131
L138
L133
L134
C558
L
148
R43
7
C
528
L1
40
L129
C7
C5
51
C
555
R45
2
C552
R435
C538
C18
2
R448
C563
R441
C55
6
U120
C54
9
C210
L41
C213
C214
R227
C20
0R229
C19
9 R228
C198
C209
L44
C1
95
C202
R2
19
R210
U1
0
1
R240
R207
C
207
R22
5
R2
24
1
J1
R238
R223
R468
Q4
R463
R462
R466
L162
R28
C
565
L
165
C32
L158
L159
L1
75
C587
C580
L
176
L
156
L171
C574
C585
R470
L164
C572
R455
R456
U2
+
BT
1
U3
R3
C1
7
C2
R18
1
J1
0
C23
0
C23
1
C223
L9
U8
U9
C63
TP3
C3
3
C58
C4
6
C31
C266
C2
71
R30
5
R269
U1
0
3
C27
4
U24
U23
U1
8
C295
C318
R31
5
R3
37
R345
C314
C286
CR
18
U46
U47
Q1
U40
U39
C399
C373
C3
63
R3
76
C385
U1
0
6
R11
8
R120
R121
U5
9
Y3
C1
35
L115
CR20
C416
C154
C17
2
U72
U7
3
C1
74
L35
Y4
C5
08
C504
U1
1
2
C463
U111
1
J21
C18
6
GND
OUT
IN
U91
R2
02
U8
7
U8
5
U117
C5
47
U119
C55
0
R4
33
R44
5
R44
7
C5
27
C535
J15
1
U1
0
0
Q2
U1
0
2
R20
8
L42
C57
6
Q3
C567
C571
R46
5
R474
C566
R50 R58
L15
C25
U32
Y2
R83
TP1
R109
TP5
R86
R88
R87
R17
R48 R51
C1
8
R15
C336
R347
C333
C405
C332
L86
L93
C330
C344
C342
C343
L71
R272
C328
R271
C340
C339
R311
C28
1
R309
C326
C324
C325
R380
R381
R264
R350
R348
C235
L84
U9
4
L37
L39
U81
TP10
L56
L55
U97
L54
L38
TP12
C217
L5
3
R199
C150
C21
6
R2
43
R205
R173
R431
C519
C455
C454
C452
L
149
L14
6
C532
R406
C447
C446
C531
C444
L145
C51
3
C
512
C459
C562
L125
1
E2
1
J12
S1
1
J13
C71 C74
J19
1
U1
6
1
J11
C24
U34
TP2
R57
R56
U6
TP4
L3
Y1
L26
U49
U51
U14
C196
U3
0
R89
C94
C93
U31
U52
R112
U4
R49
R85
C73
R16
R14
TP19
L88
L89
TP22
C406
R382
C409
L87
R357
R355
R307
L8
5
C346
L73
U1
0
7
R263
C329
R312
R
306
C341
R38
3
R352
R351
C323
C277
R310
R261
C410
R349
R262
L74
L83
U76
C152
U6
6
C190
U6
5
U99
R197
TP13
C153
C155
C220
C22
1
U64 U69
TP11
C21
8
U9
6
U9
5
C193
R200
R244
C219
U8
3
L5
2
R206
C194
U84
U6
7
U8
0
U98
U6
8
R172
L51
L15
0
C518
L127
C453
C450
C451
L
151
L155
L147
C564
C5
33
L112
L
137
C517
C514
C448
R403
C44
5
U1
1
4
C44
9
C460
C443
R40
4
L144
U1
1
3
L124
U50
U2
9
U33
U1
5
U1
3
CR1
1
J17
TP25
B
A
C237
U1
0
4
U63
C148
T1
U74
U7
7
U7
9
T2
U1
1
5
A
B
U110
J7
A
B
(U
P
PER)
(L
O
W
E
R
)
J6
A
B
(UPPER)
(LOWER)
J5
A
B
(U
P
PER)
(L
O
W
E
R
)
J4
(UPPER)
(LOWER)
A
B
J2
J14
U6
2
U1
0
9
U1
0
8
J3
B
C
E
F
H
I
REAR
1
2
3
4
6
A
M2110133 V1
D
G
J
J
FRONT
5
GND
GND
GND
GND
+1
.8
V
-D
+1.2V
+3.3V-D
U
N
B
AL
BAL
PRGM
XM
TR
PS I
N
TE
R
F
AC
E B
PS I
N
TE
R
F
AC
E A
INT
E
RF
A
C
E
CPL
D
J
T
AG
BOOT
ARM
USB
ARM JTAG
NORM
DSP
BOOT
DSP
AUDIO PROC
RESET
RF
OUT
P
UT
SER.
CONTROL
EXCITER/
JTAG
NAPE87
Summary of VS2.5
Page 1
Vs2.5 transmitter troubleshooting manual document:nhb-vs2.5-trb-4.0 issue: 4.0 2012-12-01 status: standard.
Page 3
Nautel limited 10089 peggy’s cove road hackett’s cove, ns canada b3z 3j4 phone: +1.902.823.3900 or toll free: +1.877.6nautel (6628835) (canada & usa only) fax: +1.902.823.3183 nautel inc. 201 target industrial circle bangor, maine usa 04401 phone: +1.207.947.8200 fax: +1.207.947.3693 customer servic...
Page 5
Vs2.5 troubleshooting manual table of contents page v contents release control record ix about this manual xi about safety xv safety precautions xvii responding to alarms 1-1 corrective maintenance 1-1 electrostatic protection 1-3 identifying an alarm 1-4 troubleshooting tips 1-25 operating with def...
Page 6
Vs2.5 troubleshooting manual table of contents page vi issue 4.0 2012-12-01 detailed circuit descriptions 2-1 exciter/control pwb (nape87) 2-1 ps distribution pwb (naps43a) 2-2 pre-amp/ipa pwb (napa28b) 2-3 power amplifier pwb (napa31b) 2-4 parts lists 3-1 parts information 3-1 family tree 3-1 how t...
Page 7
Vs2.5 troubleshooting manual table of contents issue 4.0 2012-12-01 page vii mechanical drawings 6-1 identifying mechanical drawings 6-1 content of mechanical drawings 6-1 locating a part or assembly on a mechanical drawing 6-1 list of terms 7-1.
Page 8
Vs2.5 troubleshooting manual table of contents page viii issue 4.0 2012-12-01.
Page 9
Vs2.5 troubleshooting manual issue 4.0 2012-12-01 page ix release control record issue date reason 4.0 2012-12-01 release 4 of manual (narf66c and narf66c/01). Ce compliant..
Page 10
Vs2.5 troubleshooting manual page x issue 4.0 2012-12-01.
Page 11
Vs2.5 troubleshooting manual issue 4.0 2012-12-01 page xi about this manual this manual provides troubleshooting information for the vs2.5 transmitter. It is intended for use by field technicians. This manual allows the troubleshooting technician to diagnose a fault to the system level, using alarm ...
Page 12
Vs2.5 troubleshooting manual page xii issue 4.0 2012-12-01 for extended warranty information, see “pre-installation assistance” on page 10-1 of the vs2.5 pre-installation manual. Vs2.5 transmitter manuals the vs2.5 documentation suite includes the following documents: vs2.5 pre-installation manual, ...
Page 13
Vs2.5 troubleshooting manual issue 4.0 2012-12-01 page xiii • click on blue text (hyperlinks) to jump to a related section, or to get additional information (e.G., view a term’s definition). • to search a document to find keywords, use find in acrobat reader’s edit menu. • to quickly find a specific...
Page 14
Vs2.5 troubleshooting manual page xiv issue 4.0 2012-12-01.
Page 15
Vs2.5 troubleshooting manual issue 4.0 2012-12-01 page xv about safety all nautel transmitters are designed to meet the requirements of en60215, safety requirements for radio transmitters. The philosophy of en60215 is that the removal of any cover or panel that can only be opened using a tool is a m...
Page 16
Vs2.5 troubleshooting manual page xvi issue 4.0 2012-12-01 lightning hazards before opening the transmitter and touching internal parts, remove and solidly ground the antenna connection. Rf hazards a serious rf hazard and very high voltages exist in the vicinity of the antenna and its networks durin...
Page 17
Vs2.5 troubleshooting manual issue 4.0 2012-12-01 page xvii safety precautions this section provides very important information about protecting the safety of personnel and equipment: • personal safety - see page xvii • site safety - see page xviii • equipment safety - see page xx personal safety tr...
Page 18
Vs2.5 troubleshooting manual page xviii issue 4.0 2012-12-01 voltage awareness ensure that all personnel that are able to access areas with high voltage circuits or high field strengths are aware of the hazards associated with high voltage. Cover the following topics: • high voltage or high field st...
Page 19
Vs2.5 troubleshooting manual issue 4.0 2012-12-01 page xix marking hazards place warning signs close to any hazardous areas or systems (e.G., the feedline or the antenna system). Make the signs large enough that they cannot be missed. Provide signage in all languages used in the region. These signs ...
Page 20
Vs2.5 troubleshooting manual page xx issue 4.0 2012-12-01 safety interlocks the transmitter contains an electrical interlock, which is an external circuit that turns off the rf output if any of its switches are opened. Equipment safety electrostatic protection the transmitter’s systems are very rugg...
Page 21
Vs2.5 troubleshooting manual responding to alarms issue 4.0 2012-12-01 page 1-1 section 1: responding to alarms this section provides instructions you need when performing troubleshooting on the vs2.5 transmitter. This section includes the following topics: • corrective maintenance • electrostatic p...
Page 22
Vs2.5 troubleshooting manual responding to alarms page 1-2 issue 4.0 2012-12-01 remote troubleshooting remote on-air troubleshooting consists of monitoring the transmitter's radiated signal using an on-air monitor or via a lan connection, and observing the status of each remote fault alarm indicator...
Page 23
Vs2.5 troubleshooting manual responding to alarms issue 4.0 2012-12-01 page 1-3 electrostatic protection the transmitter's assemblies contain semiconductor devices that are susceptible to damage from electrostatic discharge. The following precautions must be observed when handling an assembly which ...
Page 24
Vs2.5 troubleshooting manual responding to alarms page 1-4 issue 4.0 2012-12-01 identifying an alarm you can identify an alarm locally by viewing the front panel (see “front panel alarm checks” ) or remotely by viewing the aui’s transmitter status page (see “aui transmitter status page checks” on pa...
Page 25
Vs2.5 troubleshooting manual responding to alarms issue 4.0 2012-12-01 page 1-5 view alarms screen if an alarm exists and is currently being recognized by the transmitter system, it is displayed in the view alarms screen ( main menu -> view status -> view alarms ) of the front panel display (see fig...
Page 26
Vs2.5 troubleshooting manual responding to alarms page 1-6 issue 4.0 2012-12-01 aui transmitter status page checks if an alarm exists and is being recognized by the transmitter, it is displayed under the alarms tab of the transmitter status page (see figure 1.3 ). The device name indicates the sub-s...
Page 27
Vs2.5 troubleshooting manual responding to alarms issue 4.0 2012-12-01 page 1-7 3. Locate the alarm name in table 1.1 on page 1-8 to determine the cause of the alarm and perform any recommended procedures in the description and troubleshooting action column. This may also lead to replacing a suspect...
Page 28
Vs2.5 troubleshooting manual responding to alarms page 1-8 issue 4.0 2012-12-01 table 1.1: troubleshooting alarms alarm name aui and (front panel) front panel led (color) description and troubleshooting action +1.2v supply fail (+1.2v fail) ps (red) this alarm occurs if the +1.2 v supply on the exci...
Page 29
Vs2.5 troubleshooting manual responding to alarms issue 4.0 2012-12-01 page 1-9 +15v supply fail (+15v fail) ps (amber) this alarm occurs if the +15 v supply from the ps distribution pwb (a2) is outside of its acceptable voltage range (between +13.5 v and +16.5 v). The vs2.5 takes no action on this ...
Page 30
Vs2.5 troubleshooting manual responding to alarms page 1-10 issue 4.0 2012-12-01 +3.3v supply fail (+3.3v fail) ps (red) this alarm occurs if the +3.3 v supply on the exciter/control pwb (a1) is outside of its acceptable voltage range (between +3.0 v and +3.6 v). The vs2.5 takes no action on this al...
Page 31
Vs2.5 troubleshooting manual responding to alarms issue 4.0 2012-12-01 page 1-11 +5v supply fail (+5v fail) ps (red) this alarm occurs if the +5v-b supply from the ps distribution pwb (a2) is outside of its acceptable voltage range (between +4.5 and +5.5 v). The vs2.5 takes no action on this alarm ....
Page 32
Vs2.5 troubleshooting manual responding to alarms page 1-12 issue 4.0 2012-12-01 arm network down exciter (amber) this alarm indicates that the microcontroller that runs the remote interfacing applications (arm) is unable to aquire an ip address. When this alarm is present, it will not be possible t...
Page 33
Vs2.5 troubleshooting manual responding to alarms issue 4.0 2012-12-01 page 1-13 cpld version mismatch (cpld ver mismatch) exciter (red) this alarm indicates that the cpld version installed on the transmitter does not match the version expected to be seen by the version of code installed on the dsp....
Page 34
Vs2.5 troubleshooting manual responding to alarms page 1-14 issue 4.0 2012-12-01 entered firmware upgrade (exc firmware upgr) exciter (red) this alarm occurs when the exciter is in “firmware upgrade” mode. It should only be displayed during a transmitter software upgrade. External interlock open (ex...
Page 35
Vs2.5 troubleshooting manual responding to alarms issue 4.0 2012-12-01 page 1-15 forward power low (fwd power low) output network (amber) this alarm occurs if the transmitter's average forward power falls below the low forward power threshold (defaulted to 50% of the preset power level and is user a...
Page 36
Vs2.5 troubleshooting manual responding to alarms page 1-16 issue 4.0 2012-12-01 high swr output network (amber) this alarm occurs if the transmitter's average reflected power exceeds the high swr threshold (72 w). The vs2.5 takes no action on this alarm. Inspect the antenna and transmission line sy...
Page 37
Vs2.5 troubleshooting manual responding to alarms issue 4.0 2012-12-01 page 1-17 ipa output low pa (red) this alarm occurs if the pre-amp/ipa pwb's (a5) forward power is less than the ipa output low threshold ( 14.4 w). This alarm causes the controller to limit the pa voltage to 30 v. Check for a +4...
Page 38
Vs2.5 troubleshooting manual responding to alarms page 1-18 issue 4.0 2012-12-01 missing preset (exc missing preset) exciter (red) this alarm indicates that there are no presets programmed into the transmitter. In this state, the transmitter’s front panel ui will default to the first time startup sc...
Page 39
Vs2.5 troubleshooting manual responding to alarms issue 4.0 2012-12-01 page 1-19 pa 1 - 4 fail pa (amber) this alarm occurs if the dc input current for the indicated pa has fallen below a predetermined threshold (typically less than 50% of the average pa current of the operational pas, or below 500 ...
Page 40
Vs2.5 troubleshooting manual responding to alarms page 1-20 issue 4.0 2012-12-01 pilot unsync exciter (amber) this alarm occurs if there is no synchronization between the 10 mhz and 1pps signals. It may indicate that the gps receiver is not detecting a signal. Check the gps receiver and antenna.The ...
Page 41
Vs2.5 troubleshooting manual responding to alarms issue 4.0 2012-12-01 page 1-21 ps a (or b or c) missing ps (amber) this alarm occurs if power supply module a (u1), b (u2) or c (u3) is not being detected or has been removed. The vs2.5 will reduce its maximum power setting based on the number of pow...
Page 42
Vs2.5 troubleshooting manual responding to alarms page 1-22 issue 4.0 2012-12-01 ps current foldback (ps curr foldback) ps (amber) this alarm occurs if the control system determines that the calculated current output by any power supply module [calculated as (total current being supplied to pas/numb...
Page 43
Vs2.5 troubleshooting manual responding to alarms issue 4.0 2012-12-01 page 1-23 running bias routine - this is an informational alarm only that is displayed when the bias routine has been initiated. Rebooted exciter exciter (red) this is an informational alarm only that is displayed when the watchd...
Page 44
Vs2.5 troubleshooting manual responding to alarms page 1-24 issue 4.0 2012-12-01 swr shutback output network (red) this alarm occurs if the transmitter's reflected power suddenly exceeds the swr shutback threshold, which is the reflected power that is equivalent to a 2:1 vswr at max power ( 311 w) d...
Page 45
Vs2.5 troubleshooting manual responding to alarms issue 4.0 2012-12-01 page 1-25 troubleshooting tips aui lockup if the remotely accessed aui screen stops responding, and subsequent attempts to re-access the aui are unsuccessful, verify that all network settings are correct (see network setup in the...
Page 46
Vs2.5 troubleshooting manual responding to alarms page 1-26 issue 4.0 2012-12-01 operating with defective pas or cooling fans it is permissible to operate the transmitter with multiple defective power amplifier pwbs or cooling fans. Table 1.2 shows the approximate remaining output power when power a...
Page 47
Vs2.5 troubleshooting manual responding to alarms issue 4.0 2012-12-01 page 1-27 replacing a suspect pwb, power supply or fan maintenance philosophy maintenance on a vs2.5 transmitter consists of replacing any of the pwbs, power supplies or fans identified in table 1.3 on page 1-28 . Special tools a...
Page 48
Vs2.5 troubleshooting manual responding to alarms page 1-28 issue 4.0 2012-12-01 preparation for replacing a pwb or module 1. Disable the vs2.5’s rf output (rf off) and set its ac power switch to the off position. Disconnect all cabling from the rear of the vs2.5, remove the vs2.5 from its host cabi...
Page 49
Vs2.5 troubleshooting manual responding to alarms issue 4.0 2012-12-01 page 1-29 pa pwb replacement see figure md-2 in the mechanical drawings section (section 6) of this manual. 1. Remove the transmitter’s bottom cover. Retain hardware for re-installation. 2. Before replacing a suspect pa pwb, veri...
Page 50
Vs2.5 troubleshooting manual responding to alarms page 1-30 issue 4.0 2012-12-01 10. Tighten the four pwb screws. 11. Solder the wires removed in step 3 . If necessary, refer to table 4.3, “wiring list - vs1 transmitter” for wiring details for a6 through a9. 12. Re-install the transmitter’s bottom c...
Page 51
Vs2.5 troubleshooting manual responding to alarms issue 4.0 2012-12-01 page 1-31 2. Unsolder and remove the six solder connections to the pre-amp/ipa pwb (a5). They include two white, 16 awg wires (to pads d and e), two tinned copper jumpers (to pads b and c), a white coaxial cable (to pads a and g)...
Page 52
Vs2.5 troubleshooting manual responding to alarms page 1-32 issue 4.0 2012-12-01 11. Using a torque screwdriver, alternate tightening the left and right screws on each fet clamp, a quarter turn at a time, until 5 inch-pounds (0.56 newton-meters) of torque has been applied. 12. Tighten the four m3 pw...
Page 53
Vs2.5 troubleshooting manual responding to alarms issue 4.0 2012-12-01 page 1-33 power supply module replacement see figure md-1 (top view) in the mechanical drawings section (section 6) of this manual. 1. Remove the transmitter’s top cover. Retain hardware for re-installation. 2. Remove the securin...
Page 54
Vs2.5 troubleshooting manual responding to alarms page 1-34 issue 4.0 2012-12-01 +48 v power supply replacement see figure md-1 (top view) in the mechanical drawings section (section 6) of this manual. 1. Remove the transmitter’s bottom cover. Retain hardware for re-installation. 2. Remove the two m...
Page 55
Vs2.5 troubleshooting manual responding to alarms issue 4.0 2012-12-01 page 1-35 cooling fan replacement - fans 3 (b3) through 7 (b7) see figure md-2 (bottom view) in the mechanical drawings section (section 6) of this manual. 1. Remove the transmitter’s bottom cover. Retain hardware for re-installa...
Page 56
Vs2.5 troubleshooting manual responding to alarms page 1-36 issue 4.0 2012-12-01 figure 1.5: fan bracket removal b3 b4 b5 b6 b7 b1 and bracket b2 and bracket remove front panel air filter to allow removal of b1 or b2 in bracket assembly.
Page 57
Vs2.5 troubleshooting manual responding to alarms issue 4.0 2012-12-01 page 1-37 cooling fan replacement - fans 1 (b1) and 2 (b2) see figure md-2 (bottom view) in the mechanical drawings section (section 6) of this manual. 1. Remove the transmitter’s top cover. Retain hardware for re-installation. 2...
Page 58
Vs2.5 troubleshooting manual responding to alarms page 1-38 issue 4.0 2012-12-01 13. Re-install the transmitter’s top cover. 14. Re-install the transmitter in its host cabinet, reconnect all interconnect cables and restore operation by enabling ac and rf power..
Page 59
Vs2.5 troubleshooting manual responding to alarms issue 4.0 2012-12-01 page 1-39 exciter/control pwb replacement see figure md-1 (top view) in the mechanical drawings section (section 6) of this manual. 1. Remove the transmitter’s top cover. Retain hardware for re-installation. 2. Disconnect all mat...
Page 60
Vs2.5 troubleshooting manual responding to alarms page 1-40 issue 4.0 2012-12-01 figure 1.6: removing the xlr connector’s “push” lever figure 1.7: loosening the bnc connector’s locking ring.
Page 61
Vs2.5 troubleshooting manual responding to alarms issue 4.0 2012-12-01 page 1-41 7. Slightly lift the front edge of the exciter/control pwb and withdraw towards the front of the transmitter. 8. Locate or obtain a replacement exciter/control pwb (nautel part # nape 87 ). Remove the "push" lever from ...
Page 62
Vs2.5 troubleshooting manual responding to alarms page 1-42 issue 4.0 2012-12-01 ps distribution pwb replacement see figure md-1 (top view) in the mechanical drawings section (section 6) of this manual. 1. Remove the transmitter’s top cover. Retain hardware for re-installation. 2. Temporarily remove...
Page 63
Vs2.5 troubleshooting manual responding to alarms issue 4.0 2012-12-01 page 1-43 11. Re-install the transmitter in its host cabinet, reconnect all interconnect cables and restore operation by enabling ac and rf power. Combiner interface pwb replacement see figure md-2 (top view) in the mechanical dr...
Page 64
Vs2.5 troubleshooting manual responding to alarms page 1-44 issue 4.0 2012-12-01.
Page 65
Vs2.5 troubleshooting manual detailed circuit descriptions issue 4.0 2012-12-01 page 2-1 section 2: detailed circuit descriptions refer to the functional block diagram: “block diagram - vs300 transmitter” on page 1-7 and high level descriptions of the vs2.5 operation and maintenance manual. This sec...
Page 66
Vs2.5 troubleshooting manual detailed circuit descriptions page 2-2 issue 4.0 2012-12-01 ps distribution pwb (naps43a) see electrical schematic figure sd-3. Interfacing the ps distribution pwb provides the interface between the vs2.5’s power supplies and the rest of the transmitter. It passes: – ac ...
Page 67
Vs2.5 troubleshooting manual detailed circuit descriptions issue 4.0 2012-12-01 page 2-3 fan monitoring 8-bit shift register ic u5 accepts the fan tach signals from fans b1 and b2 and converts them to a serial data stream on the miso 165 output (j2-4). This output is applied to the exciter/control p...
Page 68
Vs2.5 troubleshooting manual detailed circuit descriptions page 2-4 issue 4.0 2012-12-01 including capacitor c18 and inductor l10, which provide impedance matching to transform the 50 ohm input to low impedance for application to q2. Additional micro-strip transmission line sections at the output of...
Page 69
Vs2.5 troubleshooting manual detailed circuit descriptions issue 4.0 2012-12-01 page 2-5 the pa v input is applied to capacitors c1, c2, c3, c4, c5, c9, c11, c13, c17, c21 and c22, which act as a broadband decoupling network. Capacitor c20 and resistors r4 and r5 provide low-pass filtering of the rf...
Page 70
Vs2.5 troubleshooting manual detailed circuit descriptions page 2-6 issue 4.0 2012-12-01.
Page 71
Vs2.5 troubleshooting manual parts lists issue 4.0 2012-12-01 page 3-1 section 3: parts lists parts information this section contains reference designation lists that provide descriptive and provisioning information for all electrical and mechanical parts that have an assigned reference designation ...
Page 72
Vs2.5 troubleshooting manual parts lists page 3-2 issue 4.0 2012-12-01 reference designation lists individual reference designation lists are provided for: • assemblies that are assigned an alpha-prefixed nautel nomenclature (e.G., napa31b) • cable harnesses that are assigned a numbered nautel part ...
Page 73
Vs2.5 troubleshooting manual parts lists issue 4.0 2012-12-01 page 3-3 vendor # column this column contains an original equipment manufacturer's part number for a part. A single part number is listed for each part, even though there may be more than one known manufacturer. The listed number is naute...
Page 74
Vs2.5 troubleshooting manual parts lists page 3-4 issue 4.0 2012-12-01 common abbreviations/acronyms the following abbreviations/acronyms may appear in the description of part column: • smt denotes item is designed to be installed using surface mount technology. • mta denotes item is a mass terminat...
Page 75
Vs2.5 troubleshooting manual parts lists issue 4.0 2012-12-01 page 3-5 oem code manufacturer oem code manufacturer 22421 thomas and betts limited 79942 intel corp sales office 23598 ross engineering corp. 7d893 fairchild semiconductor corporation 23875 m-tron industries incorporated 80294 bourns ins...
Page 76
Vs2.5 troubleshooting manual parts lists page 3-6 issue 4.0 2012-12-01 oem code manufacturer oem code manufacturer panas panasonic sl575 meanwell sales information phoenix see 5y407 tdk see 54583 saronix saronix texas see er737 saw84 iei technology corp. U3040 st microelectronics sb ele sb electroni...
Page 77
Vs2.5 troubleshooting manual parts lists issue 4.0 2012-12-01 page 3-7 figure 3.1: vs2.5 family tree f2110136 v2 power supply module ug69b u1 power supply module ug69b u2 power supply distribution pwb naps43a a2 control/exciter pwb nape87 a1 +48v power supply ug75 u4 splitter pwb naph03 a4 display, ...
Page 78
Vs2.5 troubleshooting manual parts lists page 3-8 issue 4.0 2012-12-01.
Page 79: 211-4270
Continued from previous page 211-4270 feed-thru capacitor interfaceassy, vs2.5 refdes nautel # description vendor # oem code tb01 jt139 terminal block, 4-pos, tri-barrier, 30a, pwb mount 8-1437657-0(rohs) 211-8005-05 ancillary kit, vs2.5 (ac box) refdes nautel # description vendor # oem code plca pl...
Page 80: 211-8204
211-8204 cable assy, vs2.5 refdes nautel # description vendor # oem code j03 jt60 conn, coax, bnc, recept,bulkhead, rg188 31-318 02660 j04 jt60 conn, coax, bnc, recept,bulkhead, rg188 31-318 02660 j05 ju47 mta,standard dust cover,3 pin 640551-3(rohs) tyco j05 ju65 conn, mta, wire-wire pst hsng,3-pin...
Page 81: 211-8226-01
211-8226-01 chassis side (lhs) refdes nautel # description vendor # oem code ecr ecr 22367 narf66c & 01 vs2.5 - change hmn35 to hmn69 ecr 22367 37338 page 3 of 65 211-8226-01.
Page 82: Napa28B
Napa28b pa pwb assy, pre-amp/ipa refdes nautel # description vendor # oem code c01 ct20 capacitor, smt, ceramic, 1000pf, 5%, 63v 1206cg102j9bb2 05093 c02 ccfs28 cap,smt,ceramic,47pf,2%,50v,c0g,0603 c0603c470g5gac 31433 c03 ct66 capacitor, smt, ceramic, 0.1uf 10%, 100v c1206c104k1ractu( rohs) kemet 3...
Page 83: Napa28B
Continued from previous page napa28b pa pwb assy, pre-amp/ipa refdes nautel # description vendor # oem code l06 la56 bead, ferrite, smt, 95 ohm,2.85mm h x 9.6mm lg 2743021447 34899 l07 ls27 inductor, smt, 120nh, 2%,1.5a,4.20mm h x 4.95mm 1812sms-r12glc 02113 l08 ls28 inductor, smt, 35.5nh, 2%, 4a,3....
Page 84: Napa31B
Napa31b pa pwb assy, ldmos (we56) refdes nautel # description vendor # oem code c01 ct75 cap, smt, electrolytic, 470uf,20%, 63vdc, low esr afk477m63p44t- f(rohs) 93790 c02 ct75 cap, smt, electrolytic, 470uf,20%, 63vdc, low esr afk477m63p44t- f(rohs) 93790 c03 ct75 cap, smt, electrolytic, 470uf,20%, ...
Page 85: Napa31B
Continued from previous page napa31b pa pwb assy, ldmos (we56) refdes nautel # description vendor # oem code r03 rad80 resistor, smt,10k ohms, 1%, 1w 2512 rk73h3atte1002f 59124 r04 rad54 resistor,smt,4.7 ohms,5%,2w cr2512-2w-4r7jt venkel r05 rad54 resistor,smt,4.7 ohms,5%,2w cr2512-2w-4r7jt venkel t...
Page 86: Nape87
Nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code bt01 bblt01 battery, lithium, 3v,20mm coin cell cr2032 panas c001 ccfs57 cap,smt,ceramic,10uf,20%,6.3v,x5r,0805 c2012x5r0j106m 54583 c002 ccfs52 cap, smt, ceramic, 0.1uf, 10%25v x7r, 0603 c0603c104k3rac 31433 c0...
Page 87: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code c036 ctfs04 cap,smt,tantalum,100uf,10%,10v,2917 t495d107k010as(ro hs) 31433 c037 ccfs52 cap, smt, ceramic, 0.1uf, 10%25v x7r, 0603 c0603c104k3rac 31433 c038 ccfs38 cap,smt,ceramic,47...
Page 88: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code c072 ccfs52 cap, smt, ceramic, 0.1uf, 10%25v x7r, 0603 c0603c104k3rac 31433 c073 ccfs23 cap,smt,ceramic,18pf,2%,50v,c0g,0603 c0603c180g5gac 31433 c074 ccfs38 cap,smt,ceramic,470pf,2%...
Page 89: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code c109 ccfs24 cap,smt,ceramic,22pf,2%,50v,c0g,0603 c0603c220g5gac 31433 c110 ccfs32 cap,smt,ceramic,100pf,2%,50v,c0g,0603 c0603c101g5gac 31433 c111 ccfs52 cap, smt, ceramic, 0.1uf, 10%...
Page 90: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code c146 ccfs52 cap, smt, ceramic, 0.1uf, 10%25v x7r, 0603 c0603c104k3rac 31433 c147 ccfs52 cap, smt, ceramic, 0.1uf, 10%25v x7r, 0603 c0603c104k3rac 31433 c148 ccfs52 cap, smt, ceramic,...
Page 91: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code c184 ccfs52 cap, smt, ceramic, 0.1uf, 10%25v x7r, 0603 c0603c104k3rac 31433 c185 ccfs01 cap,smt,ceramic,0.001uf,10%,50v,x7r,0603 c0603c102k5rac 31433 c186 ccfs58 cap,smt,ceramic,22uf...
Page 92: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code c221 ct51 capacitor,smt,ceramic,0.1uf,100v,10% c1812c104k1rac 91929 c222 ccfs01 cap,smt,ceramic,0.001uf,10%,50v,x7r,0603 c0603c102k5rac 31433 c223 ccfs01 cap,smt,ceramic,0.001uf,10%,...
Page 93: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code c259 ccfs04 cap,smt,ceramic,0.01uf,10%,50v,x7r,0603 c0603c103k5rac 31433 c260 ct85 cap, smt, ceramic, 3 terminal,22pf, 16vdc, 600ma nfm18cc220u1c3d( rohs) 3eh09 c261 ccfs52 cap, smt,...
Page 94: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code c295 ccfs52 cap, smt, ceramic, 0.1uf, 10%25v x7r, 0603 c0603c104k3rac 31433 c296 ccfs04 cap,smt,ceramic,0.01uf,10%,50v,x7r,0603 c0603c103k5rac 31433 c297 ccfs04 cap,smt,ceramic,0.01u...
Page 95: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code c334 ccfs52 cap, smt, ceramic, 0.1uf, 10%25v x7r, 0603 c0603c104k3rac 31433 c335 ct85 cap, smt, ceramic, 3 terminal,22pf, 16vdc, 600ma nfm18cc220u1c3d( rohs) 3eh09 c336 ccfs58 cap,sm...
Page 96: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code c371 ccfs52 cap, smt, ceramic, 0.1uf, 10%25v x7r, 0603 c0603c104k3rac 31433 c372 ccfs52 cap, smt, ceramic, 0.1uf, 10%25v x7r, 0603 c0603c104k3rac 31433 c373 ccfs52 cap, smt, ceramic,...
Page 97: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code c409 ccfs38 cap,smt,ceramic,470pf,2%,50v,c0g,0603 c0603c471g5gac 31433 c410 ccfs52 cap, smt, ceramic, 0.1uf, 10%25v x7r, 0603 c0603c104k3rac 31433 c411 ccfs04 cap,smt,ceramic,0.01uf,...
Page 98: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code c446 ccfs52 cap, smt, ceramic, 0.1uf, 10%25v x7r, 0603 c0603c104k3rac 31433 c447 ccfs52 cap, smt, ceramic, 0.1uf, 10%25v x7r, 0603 c0603c104k3rac 31433 c448 ccfs52 cap, smt, ceramic,...
Page 99: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code c482 ccfs52 cap, smt, ceramic, 0.1uf, 10%25v x7r, 0603 c0603c104k3rac 31433 c483 ccfs52 cap, smt, ceramic, 0.1uf, 10%25v x7r, 0603 c0603c104k3rac 31433 c484 ccfs52 cap, smt, ceramic,...
Page 100: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code c521 ccfs52 cap, smt, ceramic, 0.1uf, 10%25v x7r, 0603 c0603c104k3rac 31433 c522 ccfs52 cap, smt, ceramic, 0.1uf, 10%25v x7r, 0603 c0603c104k3rac 31433 c523 ccfs57 cap,smt,ceramic,10...
Page 101: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code c559 cx38 cap,smt,ceramic,4.7uf,10%,10v,x5r, 1206 c1206c475k8pactu c560 ccfs52 cap, smt, ceramic, 0.1uf, 10%25v x7r, 0603 c0603c104k3rac 31433 c561 ct51 capacitor,smt,ceramic,0.1uf,1...
Page 102: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code cr05 qdrs01 diode,smt,switching,250v,0.2a,sod-323 bas21ht1(static) 04713 cr06 qdrs01 diode,smt,switching,250v,0.2a,sod-323 bas21ht1(static) 04713 cr07 qdrs01 diode,smt,switching,250v...
Page 103: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code j18 - not used not used 37338 j19 jf47 conn, header,square post,gold,dual,40-pin 4-102973-0 09482 j20 - not used not used 37338 j21 jq16 conn, header, sip,12 pin breakaway,.10 ctr 1-...
Page 104: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code l034 lcfs02 inductor, smt, choke, 2000 ohms, 80ma, 0805 ilbb0805er202v(roh s) 56845 l035 lcfs01 inductor, smt, choke, 600ohms,2a, 0805 ilhb0805rk601v 56845 l036 lcfs01 inductor, smt,...
Page 105: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code l070 ls48 choke, smt, common mode, 600ohm, 260ma dlw31sn601sq2l(r ohs) 3eh09 l071 lcfs01 inductor, smt, choke, 600ohms,2a, 0805 ilhb0805rk601v 56845 l072 ls48 choke, smt, common mode...
Page 106: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code l104 ls48 choke, smt, common mode, 600ohm, 260ma dlw31sn601sq2l(r ohs) 3eh09 l105 lcfs02 inductor, smt, choke, 2000 ohms, 80ma, 0805 ilbb0805er202v(roh s) 56845 l106 lcfs02 inductor,...
Page 107: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code l134 lcfs01 inductor, smt, choke, 600ohms,2a, 0805 ilhb0805rk601v 56845 l135 lcfs02 inductor, smt, choke, 2000 ohms, 80ma, 0805 ilbb0805er202v(roh s) 56845 l136 lcfs02 inductor, smt,...
Page 108: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code l166 lcfs02 inductor, smt, choke, 2000 ohms, 80ma, 0805 ilbb0805er202v(roh s) 56845 l167 lcfs02 inductor, smt, choke, 2000 ohms, 80ma, 0805 ilbb0805er202v(roh s) 56845 l168 lcfs02 in...
Page 109: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code r017 rffs38 resistor,smt,mf,1000ohms,1%,1/10w,0603 rk73h1jltd1001f 59124 r018 rffs50 resistor,smt,mf,10.0kohms,1%,1/10w,0603 rk73h1jltd1002f 59124 r019 rffs10 resistor,smt,mf,4.75ohm...
Page 110: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code r056 rffs60 resistor,smt,mf,68.1kohms,1%,1/10w,0603 rk73h1jltd6812f 59124 r057 rffs50 resistor,smt,mf,10.0kohms,1%,1/10w,0603 rk73h1jltd1002f 59124 r058 rffs31 resistor,smt,mf,274ohm...
Page 111: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code r095 rffs38 resistor,smt,mf,1000ohms,1%,1/10w,0603 rk73h1jltd1001f 59124 r096 rffs38 resistor,smt,mf,1000ohms,1%,1/10w,0603 rk73h1jltd1001f 59124 r097 rffs18 resistor,smt,mf,22.1ohms...
Page 112: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code r134 rffs31 resistor,smt,mf,274ohms,1%,1/10w,0603 rk73h1jltd2740f 59124 r135 rffs87 resistor, smt, 200ohm, 1%,1/10w, 0603 rk73h1jltd2000f 59124 r136 rffs10 resistor,smt,mf,4.75ohms,1...
Page 113: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code r173 rad33 resistor, smt, mf, 4750 ohms,1%, 1/4w rk73h2bl4751f 59124 r174 rad33 resistor, smt, mf, 4750 ohms,1%, 1/4w rk73h2bl4751f 59124 r175 rad33 resistor, smt, mf, 4750 ohms,1%, ...
Page 114: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code r212 rffs50 resistor,smt,mf,10.0kohms,1%,1/10w,0603 rk73h1jltd1002f 59124 r213 rffs50 resistor,smt,mf,10.0kohms,1%,1/10w,0603 rk73h1jltd1002f 59124 r214 rffs50 resistor,smt,mf,10.0ko...
Page 115: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code r251 - not used not used 37338 r252 rffs10 resistor,smt,mf,4.75ohms,1%,1/10w,0603 rk73h1jltd4r75f 59124 r253 rffs18 resistor,smt,mf,22.1ohms,1%,1/10w,0603 rk73h1jltd22r1f 59124 r254 ...
Page 116: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code r290 rffs50 resistor,smt,mf,10.0kohms,1%,1/10w,0603 rk73h1jltd1002f 59124 r291 rffs50 resistor,smt,mf,10.0kohms,1%,1/10w,0603 rk73h1jltd1002f 59124 r292 rffs50 resistor,smt,mf,10.0ko...
Page 117: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code r329 rffs26 resistor,smt,mf,100ohms,1%,1/10w,0603 rk73h1jltd1000f 59124 r330 rffs26 resistor,smt,mf,100ohms,1%,1/10w,0603 rk73h1jltd1000f 59124 r331 - not used not used 37338 r332 - ...
Page 118: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code r368 - not used not used 37338 r369 - not used not used 37338 r370 rffs18 resistor,smt,mf,22.1ohms,1%,1/10w,0603 rk73h1jltd22r1f 59124 r371 rffs34 resistor,smt,mf,475ohms,1%,1/10w,06...
Page 119: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code r407 rad44 resistor, smt, mf, 39.2k ohms, 1% 1/4w rk73h2bl3922f 59124 r408 rffs36 resistor,smt,mf,681ohms,1%,1/10w,0603 rk73h1jltd6810f 59124 r409 rffs31 resistor,smt,mf,274ohms,1%,1...
Page 120: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code r446 rffs10 resistor,smt,mf,4.75ohms,1%,1/10w,0603 rk73h1jltd4r75f 59124 r447 rffs40 resistor,smt,mf,1500ohms,1%,1/10w,0603 rk73h1jltd1501f 59124 r448 rffs50 resistor,smt,mf,10.0kohm...
Page 121: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code tp06 haj66 terminal, smt, test point, pwb tp-107-02-1-t(rohs) components corp tp07 haj66 terminal, smt, test point, pwb tp-107-02-1-t(rohs) components corp tp15 haj66 terminal, smt, ...
Page 122: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code u022 uw110 res, smt network, 0402x8, 4.7k, 5% exb- 2hv472jv(rohs) u023 uw110 res, smt network, 0402x8, 4.7k, 5% exb- 2hv472jv(rohs) u024 uw110 res, smt network, 0402x8, 4.7k, 5% exb-...
Page 123: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code u051 uw90 ic,smt,quad 2 to 1 data sel/mux 3 states output,3.3v 74lvc257apw(stati c)(rohs) nxp semiconductor nxp semi u052 up105 ic, smt, dc-dc converter,boost/inverting msop8 lt3580i...
Page 124: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code u079 udos01 ic,smt,dual optocoupler,soic-8 mocd223-m(static) 7d893 u080 udos01 ic,smt,dual optocoupler,soic-8 mocd223-m(static) 7d893 u081 uw110 res, smt network, 0402x8, 4.7k, 5% ex...
Page 125: Nape87
Continued from previous page nape87 exciter/control pwb assy, vswith ce refdes nautel # description vendor # oem code u108 us13 ic, smt, sdram, 16mx16, 3.3v,tsop-54 mt48lc16m16a2tg- 6a(static) u109 us13 ic, smt, sdram, 16mx16, 3.3v,tsop-54 mt48lc16m16a2tg- 6a(static) u110 us12 bridge recitifier, 400...
Page 126: Napf13
Napf13 rf lpf pwb assy, vs 2.5 refdes nautel # description vendor # oem code c01 - not used not used 37338 c02 - not used not used 37338 c03 - not used not used 37338 c04 - not used not used 37338 c05 - not used not used 37338 c06 - not used not used 37338 c07 cs99 capacitor, smt, porcelain,18pf 500...
Page 127: Naph03
Naph03 splitter pwb assy, vs2.5 refdes nautel # description vendor # oem code c01 ccfs04 cap,smt,ceramic,0.01uf,10%,50v,x7r,0603 c0603c103k5rac 31433 c02 ct50 capacitor,smt,ceramic,0.01uf,100v,10% c1206c103k1rac 91929 c03 ct66 capacitor, smt, ceramic, 0.1uf 10%, 100v c1206c104k1ractu( rohs) kemet 31...
Page 128: Naph03
Continued from previous page naph03 splitter pwb assy, vs2.5 refdes nautel # description vendor # oem code j06 jn68 conn, edge card, 3a, 28 contacts, dual row, 30u gold m3 346-028-620- 207(rohs) 31781 j07 js21 conn, bnc, recept, rt angle, pwb mt r141665161 0gp12 j08 js21 conn, bnc, recept, rt angle,...
Page 129: Naph04
Naph04 combiner pwb assy, vs2.5 refdes nautel # description vendor # oem code c01 cs92 capacitor, smt, porcelain, 4.7pf, 500v, +/-0.1pf 1111p4r7bw501x 29990 c02 cs92 capacitor, smt, porcelain, 4.7pf, 500v, +/-0.1pf 1111p4r7bw501x 29990 c03 - not used not used 37338 c04 - not used not used 37338 c05 ...
Page 130: Napi139
Napi139 combiner interface pwb assy,vs2.5 refdes nautel # description vendor # oem code c01 ccfs62 cap, smt, ceramic, 10uf, 10%,25v c3225x5r1e106k c02 ccfs10 cap,smt,ceramic,1uf,10%,25v,,x7r,1206 c1206c105k3rac 31433 c03 ccfs04 cap,smt,ceramic,0.01uf,10%,50v,x7r,0603 c0603c103k5rac 31433 c04 ccfs07 ...
Page 131: Napi139
Continued from previous page napi139 combiner interface pwb assy,vs2.5 refdes nautel # description vendor # oem code r18 rae21 resistor, smt, mf, 49.9 ohms,1% 1/4w rk73h2bl49r9f 59124 r19 rffs50 resistor,smt,mf,10.0kohms,1%,1/10w,0603 rk73h1jltd1002f 59124 r20 rad15 resistor, smt, mf, 150 ohms,1% 1/...
Page 132: Naps43A
Naps43a ps distribution pwb assy,vs2.5 refdes nautel # description vendor # oem code c001 ct66 capacitor, smt, ceramic, 0.1uf 10%, 100v c1206c104k1ractu( rohs) kemet 31433 c002 ct50 capacitor,smt,ceramic,0.01uf,100v,10% c1206c103k1rac 91929 c003 ccfs60 cap,smt,ceramic,1uf,10%,100v,x7r,1210 12101c105...
Page 133: Naps43A
Continued from previous page naps43a ps distribution pwb assy,vs2.5 refdes nautel # description vendor # oem code c035 ccfs04 cap,smt,ceramic,0.01uf,10%,50v,x7r,0603 c0603c103k5rac 31433 c036 ccfs04 cap,smt,ceramic,0.01uf,10%,50v,x7r,0603 c0603c103k5rac 31433 c037 ccfs04 cap,smt,ceramic,0.01uf,10%,5...
Page 134: Naps43A
Continued from previous page naps43a ps distribution pwb assy,vs2.5 refdes nautel # description vendor # oem code c072 ccfs52 cap, smt, ceramic, 0.1uf, 10%25v x7r, 0603 c0603c104k3rac 31433 c073 ccfs04 cap,smt,ceramic,0.01uf,10%,50v,x7r,0603 c0603c103k5rac 31433 c074 ccfs52 cap, smt, ceramic, 0.1uf,...
Page 135: Naps43A
Continued from previous page naps43a ps distribution pwb assy,vs2.5 refdes nautel # description vendor # oem code c106 ct66 capacitor, smt, ceramic, 0.1uf 10%, 100v c1206c104k1ractu( rohs) kemet 31433 c107 ct66 capacitor, smt, ceramic, 0.1uf 10%, 100v c1206c104k1ractu( rohs) kemet 31433 c108 ct50 ca...
Page 136: Naps43A
Continued from previous page naps43a ps distribution pwb assy,vs2.5 refdes nautel # description vendor # oem code ds04 qdls01 diode, smt, led, green,(560nm), 0603 597-5312- 402f(static)(rohs) 83330 f01 fa56 fuse, smt, fuse block, 7a veryfast acting installed 0154007(rohs) 75915 j01 ja95 conn, 47 con...
Page 137: Naps43A
Continued from previous page naps43a ps distribution pwb assy,vs2.5 refdes nautel # description vendor # oem code q03 qbns01 transistor,smt,npn,switch/amp,sot-23 mmbt4401lt1(stati c) 04713 r001 rad27 resistor, smt, mf, 1500 ohms,1% 1/4w rk73h2bl1501f 59124 r002 rffs50 resistor,smt,mf,10.0kohms,1%,1/...
Page 138: Naps43A
Continued from previous page naps43a ps distribution pwb assy,vs2.5 refdes nautel # description vendor # oem code r037 rffs50 resistor,smt,mf,10.0kohms,1%,1/10w,0603 rk73h1jltd1002f 59124 r038 rffs50 resistor,smt,mf,10.0kohms,1%,1/10w,0603 rk73h1jltd1002f 59124 r039 rffs50 resistor,smt,mf,10.0kohms,...
Page 139: Naps43A
Continued from previous page naps43a ps distribution pwb assy,vs2.5 refdes nautel # description vendor # oem code r075 rffs77 resistor,smt,mf,1.82mohms,1%,1/10w,0603 rk73h1jltd1824f 59124 r076 rffs77 resistor,smt,mf,1.82mohms,1%,1/10w,0603 rk73h1jltd1824f 59124 r077 rffs26 resistor,smt,mf,100ohms,1%...
Page 140: Naps43A
Continued from previous page naps43a ps distribution pwb assy,vs2.5 refdes nautel # description vendor # oem code tb04 jt139 terminal block, 4-pos, tri-barrier, 30a, pwb mount 8-1437657-0(rohs) tp01 - not used not used 37338 tp02 haj66 terminal, smt, test point, pwb tp-107-02-1-t(rohs) components co...
Page 141: Naps43A
Continued from previous page naps43a ps distribution pwb assy,vs2.5 refdes nautel # description vendor # oem code u06 udls05 ic,smt,cmos,8-bit shft reg,par o/p, soic-16 mc74hc595ad(stati c) 04713 u07 ut74 ic, amplifier, instrumentation max4080sasa(stati c) 1e566 u08 ulas02 ic,smt,opamp,quad,rail-to-...
Page 142: Narf66C/01
Narf66c/01 final assy, vs2.5, 7/8" eia -rls 4 refdes nautel # description vendor # oem code a01 nape87 exciter/control pwb assy, vswith ce 211-3060 37338 a02 naps43a ps distribution pwb assy,vs2.5 211-7250-01 37338 a03 pr65c pwb detail, interface 211-4261 37338 a04 naph03 splitter pwb assy, vs2.5 21...
Page 143: Narf66C/01
Continued from previous page narf66c/01 final assy, vs2.5, 7/8" eia -rls 4 refdes nautel # description vendor # oem code c04 cbp08 capacitor, feed-thru, ceramic, 1000pf 54-713-001-102z 55969 c05 cbp08 capacitor, feed-thru, ceramic, 1000pf 54-713-001-102z 55969 c06 cbp08 capacitor, feed-thru, ceramic...
Page 145
Vs2.5 troubleshooting manual wiring/connector lists issue 4.0 2012-12-01 page 4-1 section 4: wiring/connector lists this section contains the wiring information for the hard-wired assemblies of the transmitter, and applicable connector mating information. Wiring lists provided wiring lists are provi...
Page 146
Vs2.5 troubleshooting manual wiring/connector lists page 4-2 issue 4.0 2012-12-01 table 4.1: wiring lists provided table # description table 4.3 wiring list - vs2.5 transmitter ( page 4-3 ) table 4.2: connector mating information provided table # description table 4.4 connector mating information - ...
Page 147
Vs2.5 troubleshooting manual wiring/connector lists issue 4.0 2012-12-01 page 4-3 table 4.3: wiring list - vs2.5 transmitter source destination wire # colour size remarks tb1-2 p1 1 white 12 p1 ds1-x1 2 white 16 tb2-2 p2 3 white 12 p2 ds1-x2 4 white 16 tb3-2 e2 5 grn/yel 12 e1 e2 6 grn/yel 12 p3 a2t...
Page 148
Vs2.5 troubleshooting manual wiring/connector lists page 4-4 issue 4.0 2012-12-01 a2tb3-3 a14tb1-4 30 black 12 a2tb4-4 a14tb1-1 31 white 12 a2tb3-4 a14tb1-2 32 black 12 a2tb2-2 c9e2 33 white 16 w5p1-center w5p2-center 34 conductor - 50 ohm coax w5p1-shield w5p2-shield 34 shield - 50 ohm coax a10-s w...
Page 149
Vs2.5 troubleshooting manual wiring/connector lists issue 4.0 2012-12-01 page 4-5 j3-center a10-c 37 conductor - 50 ohm coax j3-shield a10-b 37 shield - 50 ohm coax j4-center a10-e 38 conductor - 50 ohm coax j4-shield a10-d 38 shield - 50 ohm coax a16tb1-3 a6-u 39 white 12 a16tb1-4 a6-t 40 black 12 ...
Page 150
Vs2.5 troubleshooting manual wiring/connector lists page 4-6 issue 4.0 2012-12-01 table 4.4: connector mating information - vs2.5 transmitter connector mate remarks p1 cb1e1 cb1 l1 in p2 cb1e2 cb1 l2/n in p3 cb1e3 cb1 l1 out p4 cb1e4 cb1 l2/n out p5 u5h1 p6 a1j10 p7 a2j4 p8 a2j5 w1p1 a1j15 interface...
Page 151
Vs2.5 troubleshooting manual reading electrical schematics issue 4.0 2012-12-01 page 5-1 section 5: reading electrical schematics this section contains electrical schematics and logic diagrams for the transmitter. Block diagrams, simplified electrical schematics, and logic diagrams may be included. ...
Page 152
Vs2.5 troubleshooting manual reading electrical schematics page 5-2 issue 4.0 2012-12-01 unique symbols nautel uses unique symbols on electrical schematics to describe logic (two-state) signals. These signals differ from single-state signals or analog signals that may have multiple values. Type of i...
Page 153
Vs2.5 troubleshooting manual reading electrical schematics issue 4.0 2012-12-01 page 5-3 figures sd-1 and sd-2 identify each major stage and its detailed interconnection. Each stage contains cross-references that identify which blocks are the signal sources for inputs, or the destinations for output...
Page 154
Vs2.5 troubleshooting manual reading electrical schematics page 5-4 issue 4.0 2012-12-01 2. Follow the family tree branches to the block that contains the desired reference designation, while noting the nautel nomenclatures and names of all higher assemblies in the path, as applicable. Example: a5 n...
Page 155
Issue 4.0 2012-12-01 sd-1 figure sd-1: vs2.5 transmitter - ac-dc and exciter/control stages (sheet 1 of 2) e1 line 1 1 1 1 j5 j4 p7 j5 pwb a1 b1l1 gnd gnd gnd gnd mosi n/a l8 p7 j7 j2 j1 ps j6 gnd n/a gnd gnd j11 j15 w1p1 * gnd n/a gnd n/a to p8 j6 part of j11 u4 cb1 b2l1 cb1e4 cb1e3 p4 p3 gnd gnd s...
Page 156
Issue 4.0 2012-12-01 sd-2 figure sd-2: vs2.5 transmitter - ac-dc and exciter/control stages (sheet 2 of 2) j2a j3 j5b j13 j1 p5 j10 d- d- j1 j2a pwb a13 to u5 ri v- v- v- d- source external from external controller remote from external 10 mhz in hd data (-) hd upgrade rx (-) hd upgrade rx (+) ext +1...
Page 157
Issue 4.0 2012-12-01 sd-3 figure sd-3: vs2.5 transmitter - rf drive and rf power stages p2 p3 c3 j1 j6 in iso c7 1 1 1 1 0 -90 1 1 a16 121 r12 1 * j5 1 1 j2 j1 - - - - ipa v 1.0 c5 b g y y m u x m 1 1 a4 * * c6 * * c2 n/a gnd gnd gnd * 3db * a14 part of a15 * * w v e b l m j4 j3 j2 p1 c1 c9 e2 e1 a1...
Page 158
Issue 4.0 2012-12-01 sd-4 figure sd-4: naps43a power supply distribution pwb (sheet 1 of 2) 2a 7 n/c 4 gnd 3 n/c cur 7 n/c 4 gnd 6 n/c 3 n/c 5 out 7 n/c 4 gnd 6 n/c 5 out 3 n/c 2a 0.1 c71 sck 6 j6 5w 0.005 r98 5w 0.005 r71 r70 0.005 5w 5w 0.005 r4 r3 0.005 5w tp23 5w 0.002 r89 5w 0.002 r92 5w 0.002 ...
Page 159
Issue 4.0 2012-12-01 sd-5 figure sd-5: naps43a power supply distribution pwb (sheet 2 of 2) 7 j7 l4 l3 mosi tmp c mp c sck cr8 3 e 1.0 c97 1.0 c95 0.1 c123 30a 30a +15v +5v a 0.01 c18 l18 27 j3 2 j4 3 j5 16 j6 17 j6 13 j6 11 j6 7 j6 23 j2 23 j1 5 j6 line +15v +5v-b 6 j7 l5 l6 l2 tp6 fail c ac c cr7 ...
Page 160
Issue 4.0 2012-12-01 sd-6 figure sd-6: napa28b pre-amp/ipa pwb 82.5 r1 330uf 470uf * c19 470uf pre-amp bias rf drive ipa v 0.1 c7 0.022 c8 0.022 c9 l1 0.043μh 1000pf c20 rf output ipa bias pre-amp v 0.022 c4 0.022 c5 0.1 c3 l6 0.022 c12 0.1 c10 l11 0.0175μh 0.5w r2 27.4 l4 0.043μh l5 0.082μh l7 0.12...
Page 161
Issue 4.0 2012-12-01 sd-7 figure sd-7: napa31b pa pwb t x u b t3 r4 2w 4.7 r5 2w 4.7 c11 0.01 t1 y a m v l4 g w rf drive pa bias pa v 5.1v cr2 1smb5918b 0.1 c20 10 c21 10 c22 t2:b t2:a c17 470pf c13 0.01 d l2 100nh 36pf c18 470μf c4 63v 470μf c5 63v 470μf c1 63v 470μf c2 63v 470μf c3 63v q1:a mrf6vp...
Page 162
Vs2.5 troubleshooting manual mechanical drawings issue 4.0 2012-12-01 page 6-1 section 6: mechanical drawings this section contains mechanical drawings for assemblies of the transmitter. Dimensional drawings may be included. Refer to table 6.1 on page 6-2 for an itemized list. Assembly detail drawin...
Page 163
Vs2.5 troubleshooting manual mechanical drawings page 6-2 issue 4.0 2012-12-01 3. If necessary, refer to the referenced figure (e.G., md-7 ) in the mechanical drawings at the end of this section and locate the next, lower-level assembly. Then, repeat this procedure until the desired part or assembly...
Page 164
Issue 4.0 2012-12-01 md-1 figure md-1: vs2.5 transmitter (front, rear and top views) top view (cover removed) exciter/ control pwb front view ps distribution pwb power supply modules rear view u1 (a) u2 (b) u3 (c) a1 l8 b1 b2 a2 exciter deck securing screws (qty 5) u4 48 v power supply a14 a15 feed ...
Page 165
Issue 4.0 2012-12-01 md-2 figure md-2: vs2.5 transmitter (bottom and side views) bottom view (cover removed) right side view combiner interface pwb pa pwbs 1 (a6), 2 (a7) 3 (a8), 4 (a9) pre-amp/ ipa pwb interface pwb combiner pwb splitter pwb b7 b3 b4 b5 b6 a3 a5 a4 a10 rf low pass filter pwb a11 a6...
Page 166
Issue 4.0 2012-12-01 md-3 figure md-3: nape87 exciter/control pwb r476 c5 r 255 l5 c3 8 c5 2 r4 2 l18 c89 r360 l20 r366 r110 c417 c429 l1 02 c427 c 144 r39 6 r137 c168 c 475 c491 c175 c50 9 c52 5 r179 c187 r1 90 l153 r2 17 r21 8 r214 r215 r211 r22 2 c570 c211 l49 r234 c206 l4 7 r24 2 c14 c1 5 c1 0 l...
Page 167
Issue 4.0 2012-12-01 md-4 figure md-4: naps43a and /01 ps distribution pwb r23 c4 1 r46 c2 c6 c1 0 f1 l2 r1 5 r22 r2 4 r1 7 r19 r18 r20 r8 c19 l4 tp 1 1 l6 c4 2 c4 0 c35 c3 6 c3 7 c3 8 r30 r4 7 r4 5 r48 r42 r43 r41 r40 tp20 c54 c48 c51 cr 3 c5 3 l16 l9 l10 l11 l20 c58 l1 5 l21 c6 2 cr1 cr6 l23 c10 0...
Page 168
Issue 4.0 2012-12-01 md-5 figure md-5: naph03 splitter pwb c2 c4 c9 c1 0 c12 c1 1 c13 c1 5 c1 7 c18 c1 9 c2 1 c2 3 c26 c2 8 c2 9 c7 c3 c1 c5 c6 j7 c8 1 j2 rt3 r1 c1 6 c14 1 j3 r4 j8 rt4 r2 c20 c24 c2 2 c25 c30 c2 7 c31 c32 1 j6 rt2 rt1 1 j1 rt5 1 j4 r3 1 j5 b c e f h i k l n o 1 2 3 4 a m2110081 v2 ...
Page 169
Issue 4.0 2012-12-01 md-6 figure md-6: napa28b pre-amp/ipa pwb c4 c6 c1 6 c18 c20 r3 r1 c1 4 f c2 8 l2 c1 c15 c23 c c3 c5 c2 l 1 c7 c8 l 8 c9 c1 2 c10 c1 1 l 5 l6 l7 l11 l1 2 r2 e d c1 7 + c19 l16 c2 5 l14 c2 1 c2 2 c24 b a c1 3 q1 l 1 0 l15 c26 l3 c2 7 + c29 l13 l17 l 9 l4 q2 b c e 1 2 a m2110064 v...
Page 170
Issue 4.0 2012-12-01 md-7 figure md-7: napa31b pa pwb.
Page 171
Issue 4.0 2012-12-01 md-8 figure md-8: naph04 combiner pwb r1 r2 r4 c2 c1 r3 b c e f h i k l n o 1 2 3 4 6 7 8 9 10 a m2110092 v1 d g j m p 5 11 z v u t m l aa x s r c r5 ee ff gg r7 r8 jj nn w k j u1 p b n f q ser. A y bb cc dd e r6 hh kk r9 r10 mm ll d naph04 combiner.
Page 172
Issue 4.0 2012-12-01 md-9 figure md-9: napf13 rf low pass filter pwb c7 c8 b c e f h i 1 2 3 a m2110080 v1 d g a c3 c6 l1 l3 l5 l6 b napf13 c1 c2 c4 c5 ser. L2 l4 low pass filter.
Page 173
Issue 4.0 2012-12-01 md-10 figure md-10: napi139 combiner interface pwb c2 r25 tp3 c17 r6 c3 r2 c5 r8 r9 r11 c13 r19 u3 c15 tp1 r12 c1 2 c9 u1 r14 r4 c11 c6 r15 r5 r16 r3 r17 c1 9 l1 r1 8 c18 c14 r20 r22 r21 c1 r7 r24 r23 tp2 u2 r13 r1 c4 r26 tp4 1 j1 9 6 3 a m2110079 v1 8 7 5 4 2 1 10 re fld smp l ...
Page 174
Vs2.5 troubleshooting manual list of terms issue 4.0 2012-12-01 page 7-1 section 7: list of terms this section defines some of the terms that are used in nautel documentation. Aes-ebu. Audio engineering society/european broadcasting union (aes/ebu) is the name of a digital audio transfer standard. T...
Page 175
Vs2.5 troubleshooting manual list of terms page 7-2 issue 4.0 2012-12-01 led. Light emitting diode (also referred to as lamp). Lut. Look-up table. Mpx. Refers to the multiplexed baseband signal. Also referred to as the composite signal. Preset. A setting that controls power level, frequency and audi...
Page 177
Vs2.5 troubleshooting manual document: nhb-vs2.5-trb-4.0 issue: 4.0 2012-12-01 nautel limited 10089 peggy’s cove road hackett’s cove, ns canada b3z 3j4 toll free: +1.877.6nautel (662.8835) (canada & usa only) or phone: +1.902.823.3900 or fax: +1.902.823.3183 nautel inc. 201 target industrial circle ...