Icom IC-F2610 Service Manual - page 36
6
5
7
+5
AF BUS
OPT AF BUS
+5
AFO
PAMIC
SPE
SP
BEEP
PAAF
VCC2
1
IN+
2
IN-
3
OUT
4
VCAIN
7
CTL
8
VCAOUT
9
VCC
10
GND
5
NC
6
IC7
M5282FP
R320
100k
R338
56k
C83
0.1
C92
0.1
C95
0.1
R94
10k
C93
220
C94 470
1
2
3
4
5
IC8
VCC
LA4425A
R330
10k
C369
0.001
R86
10k
D50
1SS355
Q7
DTC363EK
C91
0.0047
C333
2.2
C98
2.2
R93
2.7k
R90
100k
R92
82k
C100
390p
C316 0.1
C318
0.01
R339
27k
C330
0.1
R349
10k
C86
0.1
R81
10k
C413
0.0047
C101
0.01
5
6
7
IC9b
TA75W558FU
C326
470p
R89
22k
R88
10k
R80
22k
R595
10k
C371
0.001
AFO
R87
10k
R85
47
3
2
1
8
4
IC2a
TA75W01FU
5
6
7
IC3b
R52
2.2k
C72
2.2
C90
10
6
5
4
3
2
1
Q503
XP4601
R508
10k
R509
10k
C506
0.1
R510
1k
R515
39k
R512
3.9k
R511
180k
R357
470k
C84
2.2
R70
470k
C97
0.001
C332
2.2
R69
47k
R68
22k
C73
0.1
C74
0.1
Q6
DTC114EU
C75
1
R71
10k
R77
33k
Q515
DTA144EU
R569
1k
3
2
1
4
8
IC3a
TA75W558FU
C70
0.047
R61
100
R62 1.5k
R65
47k
C71
0.047
R63
91k
C314
100
R327
R618
100
100k
R67
10k
Q5
2SC4116
C68
0.047
R53
36k
C508
10
C509
0.1
C61
2.2
R8
L56 1
L60 1
C502
0.1
D502
DAN202U
R502
15k
C67
0.047
C69
0.047
R51
4.12k
R49
1
R42
100
C60
1
R313
270k
C343
0.001
L50
0.56
3.9 H
C273
0.001
C274
0.1
C275
470p
C276
47p
R41
100
3
1
2
FI4
SFPC455E
3
1 2
FI3
SFPC455H
D501
DAN202U
R505
12k
R501
10k
R504
12k
R503
12k
Q510
DTC144EU
C49
0.01
C48
2.2
R506
15k
Q501
DTC144EU
Q502
DTA144EU
R33
1.5k
X1
CR-473
C50
0.001
C51 68p
R34 4.7k
C52
120p
C57
0.1
R38
1.8k
C58
0.1
R39
47k
X2
CDBC455CX16
R543
680
R40
1k
C59
68p
NWC
C319
0.001
C277
47p
C295
0.001
C41
15p
C571
2p
C570
4p
CRYSTAL
1
CRYSTAL
2
MIXER
3
VCC
4
LIMIT
5
DECOUP
6
LIMIT
7
QUAD
8
AUDIO
9
FILTER
10
FILTER
11
SQUELCH
12
METER
13
MUTE
14
GND
15
MIXER
16
IC1
MC3372SVM
C423 0.001
R408
47k
R407
47k
Q61
2SC4116
R36 1k
R35
82k
C56
0.001
C66
0.001
C62
150p
C63
150p
C64
0.001
Q62
DTC144EU
R410
2.2k
L19
1.2
C54
47p
L55
1
C53
0.001
C55
0.001
R37
470k
FI1a
FL-264
FI1b
FL-264
R46
TN20-3K202L
R47 2.7k
R48
820
C65
0.001
Q2
3SK166
C337
47p
C39
0.001
L16
0.15
Q4
2SK302
R588
820
R30
180
L506
R385
820
R21
56
R409
1.5k
C296
10p
R598
10k
R599
4.7k
R601
10
C19
1p
R602
100
D513
MA77
R603
47k
C569
0.001
C572
47p
C567
0.001
R606
IC28
2.2M
R611
4.7k
C574
0.1
R610
180k
R607
470k
R605
2.2k
R604
3.9k
R597
4.7k
Q518
DTCH4EU
R600
10
C568
0.001
D512
MA77
L15
4.7
R403
4.7
D511
1SS375
R18
220k
C26
470p
R17
220k
C305
1p
C31
2p
C34
2p
C32
6p
L54
0.56
R19
100k
C577
2p
L10
0.56
R328
470
C306
1p
R614
150k
D514
HVU350
L507
LQP21A
C581
3.5p
C40
8p
C329
0.001
C37
5p
L13
MC152
L12
MC152
C33
6p
D11
1SV217
D10
1SV217
R16
220k
C27
6p
L11
MC152
R356
27
C341
0.001
C575
0.001
C408
470p
C327
0.001
R13
100k
C30
5p
Q1
3SK166
C29
470p
D9
1SV217
C28
0.001
C573
47p
R14
47k
R12
22k
C20
3p
C328
0.001
L14
1 H
C36
6p
C35
3p
R15
150
C23
2p
C331
0.001
L9
MC152-E558ANA
C24
0.3p
D8
HVU350
R11
150k
C428
470p
W509
R10
220k
C18
15p
D52
1SS352
C325
0.001
R608
47k
R609
47k
C430
470p
C429
47p
C565
0.001
REV
FOR
L6
LW-25
C4
470p
R4
47
C2
3p
R2
1
C10
2p
D3
1SS375
D1
1SS375
C17
22p
C3
3p
R8
220
C14
4.7
C478
47p
C452
47p
C451
0.001
C417
47p
C441
470p
C309
0.001
C300
0.001
C409
47p
C416
470p
R7
220
D4
UM9401F
C11
47p
C9
1.5p
C8
3p
C415
15p
C7
470p
R5
1
C324
27p
R1
47
C13
470p
C6
0.001
R315
100
R314
100
C5
0.001
D7
1SV217
C22
5p
C21
0.5p
L8
MC152
D5
MI809
D6
MI809
L4
656LZ-09K
L5
656LZ-09K
L3
LA-503
L2
LA-502
L1
LA-502
R415
100k
CHASSIS
J1
W6
+5V
PSET
+18V
T8V
+8V
R102
4.7k
C396
47p
C281
10
R98
L22 9 H
L20
9 H
100
C122
0.001
C400
47p
LA-502
C16
3p
C15
4p
L7
Q11
2SJ377
C397
470p
C107
1.5
C398
0.001
C112
1
EP3
T8V
+5V
PSET
+18V
L30
0.56
C339
1
MT8V
C136
470p
R371
4.7k
Q55
2SC4081
R31
4.7k
L18
3.3
C294
0.001
D18
MA77
C47
9p
C43
0.001
C267
10
C270
470p
R27
3.3k
L21
1 F
R616
680
R366
100
C45
0.001
R28
2.2k
R25
270
C44
0.001
Q3
2SC5110
L26
0.56
C410
22
R108
4.7
C118
0.001
L17
56n
C582
5p
C42
33p
IC11
SC-1323
L505
56n
C583
5p
NOISE
NWC
R131
20
C322
47p
L33
82n
C152
470p
C148
0.001
R125
680
C151
10p
L51
47n
C149
18p
C312
18p
Q18
2SC5110
C310
18p
R127
470
R587
6.8k
R126
6.8k
R132
0k
C153
0.001
Q19
2SC5110
586
8k
133
70
C562
0.1
W508
Q517
DTC144EU
R44
22k
C503
0.01
C504
0.01
R45
82k
C315
120p
RSSI
1/2 VDD
R514
1k
C334
2.2
R513
56k
C507
0.022
C510
0.01
R95
100k
Q8
DTC114EU
R359
10k
R360
10k
PASP
1/2VDD
ACC I/O BUS
DTMF BUS
AF BUS
VRX
VTX
COM BUS
R128
10
L31
47n
C323
0.001
L32
82n
C145
470p
C146
6p
R129
8.2k
C150
10p
R370
8.2k
Q20
2SC5110
R130
470
C147
0.001
C143
27p
R124
270
R122
18
R123
270
C144
27p
R594
4.7k
T8V
L5V
CPU5V
BOOT
C132 3p
L24
47n
L23
47n
R110
560
L65
15n
C469
220p
R312
4.7k
R121
5.6k
R617
100
C131
0.001
C285
47p
D16
DA221
C129
7p
C138
4p
R559
100k
R560
1k
C549
0.01
D508
DA204U
R545
100k
R546
1k
C545
0.01
D510
DA204U
C297
0.001
D17
MA77
R119
4.7k
C139
0.001
L29
3.3
C140
0.001
C282
220p
C141
4p
C584 4p
R120
8.2k
R114
22
R118
470
C142
0.001
R117
1.8k
R116
150
Q16
2SC5110
C134
0.001
R615
470
L28
33n
C137
0.001
C135
470p
R113
22
L27
22n
R115
3.9k
C424
7p
C425
7p
R109
2.2k
Q15
2SC4703
Q17
2SC5110
R386
22
R111
22
C133
0.001
C278
0.001
L25
22n
C130
0.001
C286
220P
C342
47p
C128
5p
C127
27p
C126
5p
OPS2
OPS1
VCC
C106
0.001
R97
10k
R100
10k
C387
47p
C388
470p
C381
47p
C382
470p
C383
0.001
C123
47p
C124
22
C125
47p
C384
47p
C385
470p
C386
0.001
C376
470p
C377
0.001
C378
47p
C379
470p
C380
0.001
C390
470p
C389
0.001
C391
47p
C392
470p
C393
47p
C395
0.001
C117
0.01
R96 10k
C108
0.001
C121
0.001
IC17
AN78L05M
R101
1.2M
C115
D15
DSA3A1
470
3
2
1
4
8
IC10a
NJM2904
R103
4.7k
C449
47p
5
6
7
IC10b
NJM2904
R99
4.7k
R329
1k
D45
1SS355
R361
4.7k
Q12
2SJ377
R333
10k
C394
470p
R107
470
Q14
DTC144EU
D509
DAN202U
C116
470p
IC16
TA7808F
R363
10k
C120
0.001
FI5
FI6
FI5,FI6
NFM60R20T152
R362
10k
PWON
W4
OPC-453
VTX
MT8V
VRX
+8V
R8V
+5V
T8V
CPU5V
+18V
C208
1
L45
4.7
C266
0.1
R260
100
C211
1
C204
1
C205
0.1
C203
0.1
R567
4.7k
R568
4.7k
C206
220
R209
4.7k
R208
4.7k
Q36
2SD1664
Q37
2SC4116
C207
10
R564
47k
R563
47k
D27
DA204U
R213
4.7k
R212
4.7k
Q40
2SD1664
Q41
2SC4116
D29
DA204U
C406
470p
C407
470p
R566
47k
R565
47k
Q38
2SD1664
C267
10
C264
0.1
Q42
2SB1123
L504
3.3
Q43
2SC4081
C252
0.001
R259
4.7k
C253
10
D30
1SS355
R550
47k
R540
5.9k
C537
0.1
IC506
S-81250PG
Q508
2SK1829
C536
0.1
C538
0.1
C535
0.1
R541
8.25k
C257
1
D31 1SS355
L53
SLF7032-101MR45-2
+5
RXD
CTS
GND
GND
VCC
BOOT
RES
RTS
TXD
FVPX
D32
MA742
R553 100k
R554
100k
C529
47p
C531
47p
C528
47p
C530
47p
Q509
DTC144EU
Q513
DTA144EU
Q511
DTA144EU
R547
1k
R548
47k
D506
DAN202U
Q512
2SC4081
R542
10k
R549
47k
Q44
2SK1069
R263
10k
C544
0.1
1
2
3
4
5
6
7
8
9
10
J501
C533
47p
C534
47p
C532 47p
R584 100k
R585
100k
TMUT
DSTB
DCK
DDA
PLLT
HFSW
PA
FVPP
MD1
UNLK
XRXD
XCTS
VRX
PWON
VTX
PCK
PSTB
R538
1k
R273
1k
R272
1k
R275
1k
R276
1k
R277
1k
SP
PASP
DIM
EPTT
P14/A4
75
P42/TMRI0
51
P43/TMCI/HIRQ11
52
P44/TMO1/HIRQ1
53
P45/TMRI1/HIRQ1
54
P46/PW0
55
P47/PW1
56
PB7/XDB7
57
PB6/XDB6
58
VCC
59
P27/A15
60
P26/A14
61
P25/A13
62
P24/A12
63
P23/A11
64
P22/A10
65
P21/A9
66
P20/A8
67
PB5/XDB5
68
PB4/XDB4
69
VSS
70
VSS
71
P17/A7
72
P16/A6
73
P15/A5
74
R571
1k
R558
1M
R278
100k
R305
100k
R142
33k
C352
0.001
C521
10
C522
0.001
C551
0.001
R556
100k
W505
Q504
2SK1069
2
1
C550
0.001
R528
1M
R519
1k
R555
300k
C525
0.1
R577
1k
R529
390K
ECS1
ECS2
ECK
ESI
W507
R570
1k
L5V
1
2
3
4
6
5
7
8
IC18
TC7W04FU
C263
1
R262 47k
C1
4
C2
5
VSS
7
NC
8
C3
6
VDD
1
XMIT
2
NC
3
OSC1
9
OSC0
10
C4
11
MUTE
12
NC
13
R4
14
R3
15
R2
16
R1
17
NC
18
CD
19
TONE
20
IC501
LC7366NM
C262
1
C261 0.001
C259
0.68
D33
MA8160
C258
1
R261
470k
C260
100p
C368
15
R552
1k
C542
C543
10
10
C554
20p
C553
20p
X502
PBRC3.58A
R306
100k
C578
47p
R143
10k
L59
1
MCON
ESO
DTC1
DTC2
DTC3
DTC4
DTR1
DTR2
DTR3
DTR4
DTMF
EPTT
AMUT
MODS
BEEP
NWC
DIM
HORN
GND
GND
VCC
DISC
GND
GND
PTT
IN
PAAF
DIM
HORN
VCC
DISC
PTT
GND
GND
GND
GND
IN
PAAF
C254
10
D51
1SS355
C358 0.1
R372
1k
R210
4.7k
R211
4.7k
C210
1
Q39
DTC114YU
Q514
DTA144EU
D28
DA204U
R406
33k
C209
4.7
C402
470p
C403
470p
C404
0.001
J4
R398 100k
R525
100
C518
10
C519
10
C421
10
R402
1k
Q506
2SK1069
R397
100k
C361
0.001
C359
0.001
C357
0.001
R373
10k
C256
0.1
C255
1
R267
100k
Q47
DTC144EU
Q45
DTC144EU
C360
1
R524
100k
R526
100k
R527
100k
C520
0.1
1
2
3
4
6
5
7
8
IC504
TC4W53FU
DIM
HORN
C405
47p
TMUT
VCC
+8V
AMOD
DMOD
PAAF
1/2VDD
L5V
DISC
D
VRX
R8
1LO
PAOUT
DTR2
DTR1
76
77
78
79
80
81
82
83
P32/HDB2/D2
P31/HDB1/D1
P30/HDB0/D0
PB2/XDB2
PB3/XDB3
P10/A0
P11/A1
P12/A2
P13/A3
50
49
48
47
46
45
44
43
CDEC
CENC
TMO0/P41
TMCI0/P40
KEYIN8/PA0
KEYIN9/PA1
AVSS
DA1/AN7/P77
DA0/AN6/P76
AN5/P75
AN4/P74
DATA BUS
REG SW BUS
AF BUS
ACC I/O BUS
IN
VCC2
OUT
VCCA
O
I
G
O
I
G
I
O
G
VCC
L5V
HV
+8V
+18V
+5V
VCC
MODS
+8V
VCC
TMUT
+18V
T8V
+5V
+8V
VCC
MT8V
PSET
+18V
T8V
+5V
+8V
VCC
SP
AMUT
CDEC
HFSW
AFOUT
DISC
R8V
1LO
VRX
NOISE
T8V
R8
HV
PDET
a
TUNE
PAOUT
T8V
PDET
HV
XTXD
XRTS
RES
FVPC
CENC
C585
47p
C456
47p
PDA
C12
3p
C576
2p
C25
5p
to Optional
cable
to optional cable
OPC-617
R :4.30 V
T :15.49 V
R : 0 V
T :1.59 V
R:3.05 V
T: 2.94 V
R:1.96 V
T: 0 V
R: 2.56 V
T : 0 V
R:7.74 V
T: 0 V
R:7.94 V
T: 0 V
0 V
W:6.96 V
N:7.08 V
W:2.60 V
N:2.14 V
W:7.12 V
N :7.24 V
W:0 V
N :2.71 V
W:0 V
N :2.71 V
W: 6.20 V
N : 6.32 V
W:2.48 V
N :2.19 V
W:3.00 V
N : 0 V
2.47 V
2.52 V
0 V
3.32 V
2.66 V
1.71 V
4.37 V
2.47 V
R:0.95 V
T:4.83 V
V
6.84 V
2.47 V
3.17 V
2.57 V
6.76 V
1.87 V
6.27 V
R:2.83 V
T:0 V
R:4.40 V
T:0 V
R:0 V
T:7.81 V
R:2.30 V
T:0 V
R:0 V
T:4.40 V
R:0 V
T:2.68 V
R:0 V
T:1.90 V
R:0 V
T:0.82 V
R:0 V
T:7.82 V
R:0 V
T:1.66 V
R:0 V
T:2.38 V
R:7.22 V
T:0 V
R:0 V
T:1.36 V
R:0 V
T:1.40 V
R:0 V
T:7.80 V
R:13.13 V
T:12.27 V
R:0 V
T:1.77 V
R:12.41 V
T:8.58 V
R:1.05 V
T:3.76 V
R:0.58 V
T:3.77 V
R:13.20 V
T:12.37 V
R:13.21 V
T:12.48 V
0.63 V
7.93V
R:8.06 V
T:0 V
R:0 V
T:8.05 V
4.97 V
R:8.71 V
T:0.10 V
R:0 V
T:8.66 V
0.67 V
MEASUREMENT CONDITIONS
OSCILLOSCOPE:20MHz
VOLTMETER :1‰/V
4.99 V
2.50 V
16.55 V
17.45 V
2.26 V
16.54 V
12.02 V
5.06 V
5.05 V
5.02 V
5.04 V
12.57 V
4.53V
7.54 V
0 V
5.04 V
5.10 V
R:0.64 V
T:0.47 V
R:0.47 V
T:0.63 V
R:5.01 V
T:0 V
R:0 V
T:8.67 V
R:0 V
T:8.06 V
7.90 V
7.50 V
6.80 V
2.97 V
2.52 V
7.35 V
2.55 V
3.96 V
4.13 V
1.27 V
6.10 V
4.07 V
2.51 V
SQL OPEN 0 V
SQL CLOSE 4.61 V
(SP MODE)
3.10 V
2.53 V
2.53 V
4.76 V
SQL OPEN 4.81 V
SQL CLOSE 0.12 V
SQL OPEN 0.87 V
SQL CLOSE 4.56 V
SQL OPEN 0 ,V
SQL CLOSE 4.21 V
2.51 V
0.50 V
2.53 V
2.53 V
1.10 V
VLO
MIN: 0.40 V
MAX:2.75 V
W:4.66 V
N: 0 V
W:0 V
N:4.41 V
W:0 V
N :7.18 V
W: 3.13 V
N : 0 V
R:7.34 V
T: 0 V
1.74 V
0 V
W:7.09 V
N : 0 V
W:4.14 V
N :4.22 V
W:2.97 V
N :3.30 V
W: 0.62 V
N : 0 V
W:6.17 V
N :6.29 V
1.07 V(+15dB INPUT:3.36 V)
R:1.20 V
T: 0 V
R :0 V
T : 0.73 V
0V
0 V
0.64 V
0 V
8.00 V
COMPLETE VIEW