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- IC-910H
- Service Manual
Icom IC-910H Service Manual - page 39
Nov. 2008
38
R2
C74
L102
C199
D201
L6
EP952
FGB
F300
Q203
R303
C335
R340
C60
R110
C944
C318
R952
L152
D301
R184
C89
C231
VPA
C934
C257
R351
C17
L306
C18
R224
C186
R240
C129
W242
R305
C946
L42
L153
C411
C24
C32
R284
C194
C117
C183
C276
C268
R171
R251
C354
R42
C91
C263
R43
C405
R44
L11
R189
C63
R266
C281
C52
L184
R264
C6
D206
C351
D42
C72
C22
C111
C192
C305
5V
C12
D303
C97
EP341
C203
C185
R66
C181
R107
R263
R182
C175
L225
RL300
C216
C313
R304
C269
R64
C261
L130
R354
R260
C152
C222
L194
D302
R248
C141
D181
W262
R121
C176
R271
D272
L203
C339
C412
C153
C165
C250
74/98
W153
C225
C35
L269
W241
66/99
C208
R196
L71
D40
C85
C302
C296
C92
C945
C137
C375
C159
L246
C133
L281
C11
C320
C370
R4
R5
L180
D2
C180
Q282
1
2
3
4
5
6
C371
R950
C576
UHV
Q32
J603
C169
C14
C266
C298
L185
C27
L192
R358
L382
C34
L261
R215
W333
L321
C943
MP42
1 2 3
C415
EP221
R185
C929
L41
C148
C162
R200
C19
L181
R170
C151
C134
C402
R27
Q131
C187
C71
L205
Q260
C348
D185
R268
C294
C66
MP26
1 2 3 44 55 66
Q3
EP243
L201
VYGR
C128
L183
C28
C357
W305
OPC-992B
1
2
2355
MP19
HJ3052
C99
C285
C399
C242
C90
C379
EP61
C174
PRV
C374
C233
EP290
D182
R250
R211
R332
J30
L283
C189
R242
C163
C361
C347
D263
C312
R106
R37
D31
C340
C16
C935
14V
Q951
1
2
3
4
5
6
C256
W241A
R1
R138
D190
C243
C270
R282
C237
C130
R363
R154
R14
C938
C338
R131
R108
C109
R953
C322
C116
L151
MP30
1 2 3
C295
C191
C127
D82
R199
2355
MP24
C401
R130
C941
R283
EP245
C132
J601
C952
R32
C123
R285
C255
R227
D180
C381
EP52
C46
BEAD1
L182
R80
C113
R273
Q151
L244
C369
MP10
1 2 3 4
FSOH090RN
EP602
W202
C391
R205
R132
C108
R201
C341
W242A
J40
C80
L381
C37
J39
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
R180
R39
ICL
C114
C73
C282
R230
C160
C55
C418
C284
L196
C10
C297
C120
L242
R137
Q202
1
2
3
4
5
6
C214
C184
C126
MP17
1
2
3
4
R954
C56
C62
C267
BEAD1
R341
R133
C927
R134
C58
C76
R10
L195
C278
D203
C178
C248
R267
FSOH050RN01
EP154
W241B
L3
FSOH090RN
EP601
C142
J602
R28
C195
C201
D209
EP56
R281
PAHV
R269
C324
R364
R105
C29
C147
BAND
R225
Q117
C275
C373
R136
C227
C301
C314
C228
MP9
1 2 3 4
R125
W332
Q281
1
2
3
4
5
6
C68
R331
FI201
I
O
Q1
R222
C345
C200
MP7
1 2 3 4
C145
R111
EP50
C136
C223
L22
L267
C221
L262
R342
UVBB
C332
R357
EP32
MP8
1 2 3 4 5 6 7 8
C244
L186
C173
R365
R62
D951
C309
R220
C292
J932
1
2
3
4
R63
W242B
D184
P30
TMP-P01X-A1
C9
R30
C229
C346
J600
D241
R244
C155
C308
R65
C161
C182
C950
C254
C343
D183
C212
C420
C149
Q200
R126
L154
C304
C166
D240
D32
HJ151
UT9L
C356
L1
C196
L305
C31
C5
L268
IC200
1
2 3
4
5
6
C260
L282
C942
L202
D266
ICH
C299
D221
R951
L224
C311
L123
5V_L510
L951
J931
1
2
3
4
C310
L221
MP15
1 2 3
C230
L117
C382
L243
L241
C190
C403
EP195
C193
C259
R6
L10
C33
C218
FI280
EP330
MP28
L263
C383
C217
C213
D227
P300
LLR-06V
1
2
3
4
5
6
C219
C394
L44
C158
C75
L23
C43
R127
C397
C204
R104
C288
L220
R68
L118
Q2
R245
R226
R206
C925
L222
C306
L132
C290
C283
UTU2
C300
D117
C937
R31
D208
C238
FI281
R249
C326
C923
C144
C140
C241
C413
C421
W951
W232
C188
C7
D261
D950
D260
R183
C224
P1
TMP-P01X-A1
C110
C239
C25
C119
C2
Q300
L133
Q180
1
2
3
4
5
6
C392
R360
D207
C4
IC40
1
IN
2
GND
3
GND
4 OUT
5 GND
6 VCC
R38
R124
FSOH050RN01
EP241
Q152
EP406
D41
L131
C416
C13
C87
C50
R153
R139
C206
C54
R135
R60
C327
C407
VT9L
R61
D9
R223
R306
C246
C408
L190
C933
R9
EP401
C57
D81
C307
VUMS5
R286
L122
C49
C321
L301
L72
EP181
C274
C146
C232
D242
L391
C406
W261
D212
C86
R345
R191
Q121
L45
C928
L4
C88
R221
R188
D220
W7
C235
C47
C8
C81
L5
D10
EP51
EP342
IC240
1
2
3
4
5
6
C20
R280
R101
C325
C156
R359
C51
C372
R103
L207
C404
C240
C157
L134
R11
C143
C393
R246
W64
J1
C205
EP193
C98
C280
C234
Q11
D80
R361
C172
C38
C150
C131
C286
HJ3051
R67
L47
R186
L952
C252
C209
C3
R214
C179
C414
VREF
R204
C253
R8
C104
R333
D101
R190
L51
C125
C287
C293
R301
C350
R102
C36
C249
C368
R122
C236
C331
R152
C171
L240
C333
EP201
C207
R265
C115
R187
R118
C40
FSOH050RN01
EP153
D265
C953
C82
R338
C102
R261
Q21
1
2
3
4
5
6
D100
C924
C210
R100
C45
C417
C44
C919
C103
R208
F301
VCC
D952
EP53
C64
R300
R13
L247
R212
L264
R40
EP220
C271
C245
C121
L223
L260
C23
C65
R117
L280
C329
C168
L46
C398
MP20
C939
W3
D202
Q261
F302
C61
C265
C277
C106
C258
L245
C15
5VL
Q33
D1
C262
C41
EP55
W5
C220
R203
C202
C164
C48
R247
EP54
C215
R362
Q201
1
2
3
4
5
6
R336
L191
R262
C53
C26
C367
R213
C251
C139
R344
C59
C936
Q101
L950
C328
C951
C39
L103
Q183
J240
D262
C154
Q950
L2
Q221
EP31
C930
C384
C289
W331
Q220
C419
C67
C330
D300
VFOR
L97
C135
R3
HJ101
Q182
R123
D264
1
2
3
4
C42
R228
R270
L40
Q30
C122
C303
C272
C364
C264
C319
R12
FI200
I
O
D30
FI202
I
O
C323
C226
W180
VT9V
MP31
L135
C124
C273
C359
VPA
VYGR
GND
GND
GND
GND
DRVO
DRVO
VUT9L
UPRI
UFOR
UREF
PRV
43PV
UHV
5VL
ICH
ICL
UHV
BAND
PRV
VT9V
FOR
REF
UREF
UFOR
UT9V
UTU2
UATT
UATT
UATT
VUT9
POWS
FOR
FOR
VUMS
UPRI
UPRI
UTU1
REF
REF
43PV
43PV
POWSL
VUT9L
UTUNE1
POWSL
VT9L
UT9L
UT9V
5V
GND
NC2
UR9V
UR9V
VUMS5
5VL
14V
UTU2
UTUNE1
UT9V
UT9V
ICL
ICH
PAHV
VT9V
DRVI
DRVI
BAND
14V
14V
VCC
VUMS5
UVBB
UHF
ANT
W2
W1
W30
W30
DRV BOARD
430M 2Lo
430M 1Lo
14V
+5V
W302
W303
W301
W300
C90
R90
C91
R91
Q930
MP21
1 2 3
MP13
1 2 3 4 5 6
MP12
1 2 3 4
MP22
1 2 3
W61
P50
PHR-2
1
2
W50
51/99
W63
J50
1
2
W60
72/98
W263
W62
J51
1
2
3
4
SPE
SP
W51
PA UNIT (UHF)
*Refer to “PARTS LIST” for the parts name and value.
Summary of IC-910H
Page 1
Service manual addendum contents parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 board layouts . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 schematic diagram. . . . . . . . . . . . . . . . . . . . . . . 33 nov. 2008.
Page 2: Section 5.
Nov. 2008 1 section 5. Parts list m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [display unit] ref order description no. No. Ic1 1140009671 s.Ic m30622maa-868fp (2355a-2) [eur] 1140009671 s.Ic m30622maa-868fp (2355a-2) [usa] 1140009671 s.Ic m30622maa-868fp (2355a-2) [au...
Page 3
Nov. 2008 2 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [display unit] ref order description no. No. R17 7030003520 s.Res erj3geyj 472 v (4.7k) r18 7030003520 s.Res erj3geyj 472 v (4.7k) r19 7030003680 s.Res erj3geyj 104 v (100k) r34 7030003560 s.Res erj3geyj 103 v (1...
Page 4
Nov. 2008 3 [display unit] [display unit] [func unit] [vr-a unit] [vr-b unit] [rit unit] [mic unit] [jack unit] ref order description no. No. Ref order description no. No. Ref order description no. No. Ref order description no. No. Ref order description no. No. Ref order description no. No. Ref orde...
Page 5
Nov. 2008 4 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [pll unit] ref order description no. No. Ic1 1130007700 s.Ic bu4094bcf-e2 ic12 1110001901 s.Ic upc4570g2-e1-a ic101 1130004831 s.Ic tc7su04f(te85r,f) [eur] 1130004830 s.Ic tc7su04f (te85r) [usa] 1130004831 s.Ic t...
Page 6
Nov. 2008 5 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [pll unit] ref order description no. No. R107 7030007210 s.Res era3yeb 102v (1k) r108 7030007210 s.Res era3yeb 102v (1k) r109 7030007210 s.Res era3yeb 102v (1k) r110 7030007210 s.Res era3yeb 102v (1k) r111 703000...
Page 7
Nov. 2008 6 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [pll unit] ref order description no. No. R625 7030003370 s.Res erj3geyj 271 v (270) r626 7030003230 s.Res erj3geyj 180 v (18) r627 7030003370 s.Res erj3geyj 271 v (270) r628 7030003440 s.Res erj3geyj 102 v (1k) r...
Page 8
Nov. 2008 7 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [pll unit] ref order description no. No. C404 4030006950 s.Cer c1608 ch 1h 040c-t c405 4030009500 s.Cer c1608 ch 1h 0r5b-t c407 4030006860 s.Cer c1608 jb 1h 102k-t c408 4030006860 s.Cer c1608 jb 1h 102k-t c410 40...
Page 9
Nov. 2008 8 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main unit] ref order description no. No. Q254 1530002691 s.Tra 2sc4116-gr(te85r,f) [swe] 1530002691 s.Tra 2sc4116-gr(te85r,f) [usa-1] 1530002691 s.Tra 2sc4116-gr(te85r,f) [kor] 1530002691 s.Tra 2sc4116-gr(te85r,...
Page 10
Nov. 2008 9 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main unit] ref order description no. No. D305 1790000660 s.Dio ma728(tx) d352 1790000620 s.Dio ma77(tx) d401 1750000520 s.Dio dan222tl d402 1750000520 s.Dio dan222tl d491 1750000550 s.Dio 1ss355 te-17 d651 17900...
Page 11
Nov. 2008 10 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main unit] ref order description no. No. R168 7030003540 s.Res erj3geyj 682 v (6.8k) r169 7030003520 s.Res erj3geyj 472 v (4.7k) r201 7030003860 s.Res erj3ge jpw v r202 7310005020 s.Tri rh03adc14x (10k) r203 70...
Page 12
Nov. 2008 11 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main unit] ref order description no. No. R663 7030003330 s.Res erj3geyj 121 v (120) r664 7030003560 s.Res erj3geyj 103 v (10k) r665 7030003560 s.Res erj3geyj 103 v (10k) r666 7030003530 s.Res erj3geyj 562 v (5....
Page 13
Nov. 2008 12 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main unit] ref order description no. No. R1595 7030003680 s.Res erj3geyj 104 v (100k) r1596 7030003680 s.Res erj3geyj 104 v (100k) r1597 7030003680 s.Res erj3geyj 104 v (100k) r1598 7030003680 s.Res erj3geyj 10...
Page 14
Nov. 2008 13 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main unit] ref order description no. No. R1872 7030003680 s.Res erj3geyj 104 v (100k) r1874 7030003680 s.Res erj3geyj 104 v (100k) r1875 7030003640 s.Res erj3geyj 473 v (47k) r1876 7030003700 s.Res erj3geyj 154...
Page 15
Nov. 2008 14 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main unit] ref order description no. No. C659 4030006900 s.Cer c1608 jb 1h 103k-t c660 4030006900 s.Cer c1608 jb 1h 103k-t c661 4030006900 s.Cer c1608 jb 1h 103k-t c662 4030006900 s.Cer c1608 jb 1h 103k-t c701 ...
Page 16
Nov. 2008 15 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [main unit] ref order description no. No. C1675 4030006900 s.Cer c1608 jb 1h 103k-t c1676 4030006900 s.Cer c1608 jb 1h 103k-t c1677 4510008550 s.Ele eee1ha010sr c1678 4030007140 s.Cer c1608 ch 1h 121j-t c1680 40...
Page 17
Nov. 2008 16 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [pa unit] ref order description no. No. D32 1790000620 s.Dio ma77(tx) d40 1790000620 s.Dio ma77(tx) d41 1790000620 s.Dio ma77(tx) d42 1790000620 s.Dio ma77(tx) d80 1160000060 s.Dio dan202u t106 d81 1160000060 s....
Page 18
Nov. 2008 17 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [pa unit] ref order description no. No. L502 6150001310 coi ls-145 l503 6200004790 s.Coi mlf1608d r47k-t l504 6200012990 s.Coi 0.25-1.9-9tl 84.0n l505 6200005741 s.Coi eljre 47ngfa l506 6200001981 s.Coi nlv25t-1...
Page 19
Nov. 2008 18 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [pa unit] ref order description no. No. R267 7030003680 s.Res erj3geyj 104 v (100k) r268 7030003680 s.Res erj3geyj 104 v (100k) r269 7030003440 s.Res erj3geyj 102 v (1k) r270 7030003400 s.Res erj3geyj 471 v (470...
Page 20
Nov. 2008 19 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [pa unit] ref order description no. No. C26 4030007070 s.Cer c1608 ch 1h 330j-t c27 4030011330 s.Cer c1608 ch 1h 391j-t c28 4030007100 s.Cer c1608 ch 1h 560j-t c29 4030011330 s.Cer c1608 ch 1h 391j-t c31 4030006...
Page 21
Nov. 2008 20 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [pa unit] ref order description no. No. C243 4030009530 s.Cer c1608 ch 1h 030b-t c244 4030006860 s.Cer c1608 jb 1h 102k-t c245 4030007020 s.Cer c1608 ch 1h 120j-t c246 4030006860 s.Cer c1608 jb 1h 102k-t c248 40...
Page 22
Nov. 2008 21 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [pa unit] ref order description no. No. C567 4030006860 s.Cer c1608 jb 1h 102k-t c568 4030006860 s.Cer c1608 jb 1h 102k-t c569 4030006860 s.Cer c1608 jb 1h 102k-t c570 4030006860 s.Cer c1608 jb 1h 102k-t c571 40...
Page 23
Nov. 2008 22 m.=mounted side (t: mounted on the top side, b: mounted on the bottom side) [pa unit] ref order description no. No. J240 6510017150 con tmp-s01x-c1 j503 6510017150 con tmp-s01x-c1 j504 6510022611 s.Con 16fmn-bmttr-a-tbt(lf)(sn) j651 6510021391 con imsa-9230b-1-03z024-pt1 j653 6510021391...
Page 24: Section
Nov. 2008 23 section 9. Board layouts kst1 kst3 kr t1 kst2 j1 1 5 2 6 to display unit j3 kr t0 gnd dr v o dr v o gnd gnd gnd gnd dr vi dr vi to pa unit j932 to pa unit j931 b5577d d1 c1 b5578b d1 gnd j1 2 6 1 to display board j10 5 rivr nc nc sfvr +5v gnd j1 2 6 1 to display board j2 5 ma vr nc nc m...
Page 25: • Func Board
Nov. 2008 24 phin j2 5 1 6 2 to display board j5 sspo mspo gnd phg gnd ep2 var-b var-c • func board (bottom view) • drv board (bottom view) • mic board (bottom view) • jack board (bottom view) • rit board (bottom view) • vr-a board (bottom view) • vr-b board (bottom view) • varistor-b board (bottom ...
Page 26: • Display Unit
Nov. 2008 25 • display unit (top view) the combination of top side and bottom side of this.
Page 27: • Display Unit
Nov. 2008 26 • display unit (bottom view) gnd 1 to main sensor j4 4 a b +5v mspo j14 7 1 to main unit j1251, j1201 sspo phg 14v hv mic mice to fan gnd j12 3 1 nc fa n v +5v j2 1 to vr-a board j1 5 msvr nc nc mavr gnd 2 6 phin j5 sspo mspo gnd phg gnd 2 6 1 to jack board j2 5 mic j6 1 to mic board j2...
Page 28: • Pll Unit
Nov. 2008 27 • pll unit (top view) 1 25 75 44 34 12 22 1 8 16 9 33 23 1 11 51 100 76 26 50 1 4 8 5 1 25 75 33 23 1 11 22 12 34 44 51 100 76 26 50 1 4 8 5 1 4 8 5 gnd pd a t 43dt 14ul nc nc nc 14v +9v - 5v pck 14dt pst4 43ul nc bfst 14v nc nc gnd 1 2 j601 1 19 2 to display board j9 to main unit j501 ...
Page 29: • Pll Unit
Nov. 2008 28 the combination of top side and bottom side of this • pll unit (bottom view) r341 mp11 • pll unit (bottom view) r341 mp11.
Page 30: • Pa Unit
Nov. 2008 29 the combination of top side and bottom side of this • pa unit (top view) 1 4 8 5 1 3 6 4 1 5 6 1 3 6 4 spe sp j50 to main unit j1853 spe sp j51 1 2 2 1 to sp1 dr vi dr vi gnd gnd j931 1 4 to drv board gnd gnd dr v o dr v o j932 1 4 to drv board v-c1 gnd v-c2 j651 1 v-a2 gnd v-a1 j652 3 ...
Page 31: • Pa Unit
Nov. 2008 30 the combination of top side and bottom side of this • pa unit (bottom view) c2 c3 c7 c8 c9 c10 c11 c31 c36 c39 c43 c44 c45 c46 c47 c49 c50 c51 c52 c53 c54 c55 c56 c57 c58 c59 c62 c63 c65 c67 c87 c88 c102 c104 c106 c108 c109 c111 c116 c120 c121 c123 c124 c125 c126 c127 c128 c130 c133 c13...
Page 32
Nov. 2008 31 • main unit (top view) 8 1 18 16 9 8 16 9 1 8 1 1 16 1 16 remo te a cc1 d ata 1 d ata 2 key main sp sub sp mice mic j1201 1 2 to display board j14 nc nc gnd afs j1761 4 1 to ut-106 ints txs scon mdat 9v avxl 5v pck opb1 12ps 12ds 12ul 12st 12pv gnd j1101 29 1 30 2 to display board j7 gn...
Page 33
Nov. 2008 32 • main unit (bot view) the combination of top side and bottom side of this.
Page 34: Section
Nov. 2008 *refer to “parts list” for the parts name and value. 33 section 11. Schematic diagram d52 d51 d50 d49 d48 krt3 krt6 krt3 d47 d46 d45 d44 d43 d42 krt7 krt4 krt3 krt6 krt5 krt2 krt5 krt4 krt7 krt4 d41 kst3 kst2 kst1 kst0 krt7 krt6 ds22 ds23 ds24 ds19 ds20 ds21 ds12 ds15 ds18 ds11 ds14 ds17 d...
Page 36
Nov. 2008 35 main unit (2/3) cp853 9v t9v ssbi 14v ifs smlm kds ssbi t9v 14v 9v ifs smlm kds 12up 12up r303 r305 14 13 12 ic1804d c313 r306 d304 r302 t9v 14v 9v ssbi kds l201 q201 r202 c205 d207 r219 r203 r201 tcwm 12up l1 c1 14v t9v k d s 1 . 2 g u n i 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1...
Page 37
Nov. 2008 36 9v 14v -5v 5v ifs -5v 14v 5v 9v ifs ic803 c815 c816 c814 r805 c813 6 5 4 3 2 1 q805 ic801 c803 c826 c802 c801 r664 r665 r667 q652 c662 c659 c660 r666 9v agcs l653 r657 r658 r660 r661 r662 r663 c654 c657 q651 fi651a fi651b c661 c655 c658 r659 c656 l651 l652 p a r651 r652 r653 r654 d652 d...
Page 38
Nov. 2008 37 vfor vums5 band pahv uvbb prv vt9l 5v_l510 vcc p501 tmp-p01x-a1 p510 tmp-p01x-a1 5vl vt9v ut9l uhv 5v vygr vpa ich utu2 icl vref 14v w710 r523 ic502 1 23 4 5 6 c651 c504 c607 r710 c543 c714 l502 r668 d510 ep911 c728 l522 c906 r539 c921 c733 ep566 r724 c641 c602 c661 r545 ic701 1 vin 2 v...
Page 39
Nov. 2008 38 r2 c74 l102 c199 d201 l6 ep952 fgb f300 q203 r303 c335 r340 c60 r110 c944 c318 r952 l152 d301 r184 c89 c231 vpa c934 c257 r351 c17 l306 c18 r224 c186 r240 c129 w242 r305 c946 l42 l153 c411 c24 c32 r284 c194 c117 c183 c276 c268 r171 r251 c354 r42 c91 c263 r43 c405 r44 l11 r189 c63 r266 c...
Page 40
Nov. 2008 39 144m 1lo (to pa) j251 p251 c215 r252 c251 r253 r254 c253 c254 c214 c213 c216 c198 c217 l212 l213 l214 c196 r191 c192 c194 q191 r192 d191 d192 d193 d194 c229 q192 c183 l191 c182 l194 r195 c191 r194 r193 l195 r163 5 6 7 ic161b c172 c153 c184 r172 r171 c162 c163 c173 c161 cp100 w181 d181 r...
Page 41: Service
Service manual vhf/uhf all mode transceiver i910h.
Page 42
Introduction this service manual describes the latest service information for the ic-910h vhf/uhf all mode transceiver at the time of publication. Version no. #02 #04 #06 #07 version europe australia u.S.A. Korea symbol eur aus usa-1 kor to upgrade quality, any electrical or mechanical parts and int...
Page 43
Section 1 specifications section 2 inside views 2 - 1 ic-910h . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 1 2 - 2 ux-910 (optional unit) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 44: Section 1 Specifications
Section 1 specifications 1 - 1 ■ general • frequency coverage : (unit: mhz) * 1 optional ux-910 is installed. * 2 guaranteed range is 144.0–148.0 mhz. * 3 guaranteed range is 430.0–450.0 mhz. * 4 guaranteed range is 1240.0–1300.0 mhz. • mode : usb, lsb, cw, fm, fm-n* *not available in 1200 mhz band ...
Page 45
■ receiver • receive system : vhf ssb, cw single conversion superheterodyne fm double conversion superheterodyne uhf ssb, cw double conversion superheterodyne fm triple conversion superheterodyne • intermediate frequencies : (unit: mhz) • sensitivity : ssb, cw (10 db s/n) less than 0.11 µv fm (12 db...
Page 46: Section 2
2 - 1 section 2 inside views 2-1 ic-910h • main and pll units dds ic (ic701: sc-1287) dds gate arr a y (ic131: sc-1246a) dds gate arr a y (ic331: sc-1246a) pll unit 144 mhz band vco circuit 430 mhz band vco circuit ref erence oscillator (x512: cr-452 30.2 mhz) dr iv er ic (ic1: b u4094bcf) dds ic (i...
Page 47
2 - 2 • pa unit tx balanced mix er q501, q502: 2sk302 d502: 1sv286 rx balanced mix er (q511, q512: 2sk1740) pre-amplifier (q507: 3sk177) 145 mhz po w er amplifier (q651, q652: 2sc5152) tx/rx s witching rela y (rl700: ae5349) v a ristor-a board v a ristor-c board 440 mhz po w er amplifier (q151, q152...
Page 48
2 - 3 2-2 ux-910 (optional unit) • top view • bottom view power module ic (ic21: m57762-02) 1st lo vco circuit pll ic (ic501: tb31242) dds ic (ic661: sc-1246a) rf pre-amplifier (q281: ne34018) power supply circuit for ag-1200 q72: dtc144eu q73, q74: 2sc2712 rf amplifier (q271: 2sc5454) ygr amplifier...
Page 49: Section 3
Section 3 disassembly and option instructions • opening the transceiver’s case follow the case and cover opening procedures shown here when you want to install an optional unit or adjust the internal units, etc. Q remove the 5 screws from the top of the trans- ceiver and 4 screws from the sides, the...
Page 50
• opening the pa unit cover q remove the top cover as shown in the diagram on p. 3- 1. W remove 8 screws and grounding plate from the pa unit cover. E remove fastening tape from the inside power cable. Grounding plate • fl-132/fl-133 cw narrow filter q remove the bottom cover as shown in the diagram...
Page 51
• ut-102 voice synthesizer unit q remove the bottom cover as shown in the diagram on p. 3-1. • remove the ux-910 if you have installed it. (p. 3-1) w remove the protective paper attached to the bottom of the ut-102 to expose the adhesive strip. E plug ut-102 into j1801 on the main unit as shown in t...
Page 52
• cr-293 high stability crystal unit q remove the bottom cover as shown in the diagram on p. 3-1. • remove the ux-910 if you have installed it. (p. 3-1) w remove 6 screws from the pll shield cover, then lift up the pll shield cover. Pll shield cover e disconnect the ffc (flexible flat cable) from th...
Page 53
Section 4 circuit description 4 - 1 4-1 receiver circuit note: [main]=main band, [sub]=sub band 4-1-1 vhf transmit/receive switching circuit (pa unit) received signals from the antenna connector (chassis; j1) are passed through the low-pass filter (l723–l721, c728–c726, c728) then applied to the tra...
Page 54
4 - 2 4-1-6 10 mhz if circuit (main unit) the 10 mhz if signal from the mixer circuit is passed through a monolithic filter (fl51 [main], fl651 [sub]) to sup- press out-of-band signals. The filtered signal is amplified at the if amplifier (q51 [main], q651 [sub]). The if amplifier provides 20 db gai...
Page 55
4 - 3 4-1-11 noise blanker circuit (main unit) the noise blanker circuit detects pulse-type noises, and stops if amplifier operation during detection. A portion of the 10 mhz if signal from the bandpass filter (fi51 [main], fi651 [sub]) is amplified at the noise amplifier circuit (q102, ic101, q101 ...
Page 56
4 - 4 while in ssb mode, the amplified signals from the buffer amplifier (q1651) are then applied to the balanced modula- tor (ic201). While in am/fm mode, the amplified signals from the buffer amplifier (q1651) are applied to the limiter amplifier (ic1651b) and splatter filter (ic1651a). The signal...
Page 57
4 - 5 low-pass filter and uhf signal are high-pass filter, and then applied to the vhf and uhf power amplifier circuit sepa- rately. 4-2-7 power amplifier circuit (pa unit) the power amplifier circuit amplifies the rf signals to the specified output power. (1) vhf power amplifier circuit the rf sign...
Page 58
4 - 6 the passed signals are then applied to the rf amplifier cir- cuit. 4-4-2 1200 mhz rf circuit (for rx) received signals from the transmit/receive switching circuit are passed through the high-pass filter (l285–l287, l289, c297–c300) and pre-amplifier (q281) and are applied to the rf amplifier c...
Page 59: Ic-910H
Section 5 adjustment procedures 5 - 1 4-1 preparation before sarvicing ■ required test equipment dc power supply rf power meter (terminated type) frequency counter rf voltmeter fm deviation meter distortion meter oscilloscope digital multimeter audio generator standard signal generator (ssg) ac mill...
Page 60
5 - 2 5-2 pll adjustments 30.2 mhz level reference frequency 144m lock voltage 440m lock voltage main bfo level sub bfo level adjustment adjustment adjustment condition measurement value point unit location unit adjust 1 1 2 1 2 3 1 2 3 1 2 • display frequency: any • receiving • display frequency: a...
Page 61
5 - 3 x512 reference frequency adjustment c402 430m lock voltage adjustment p251 144m lo level check point l193 144m lock voltage adjustment j541 30.2 mhz level check point cp300 430m lock voltage check point p421 430m lo level check point l551 j51 cp51 fm tx-lo frequency check point j52 fm tx-lo fr...
Page 62
*this output level of a standard signal generator (ssg) is indicated as ssg’s open circuit. 5 - 4 5-4 receiver adjustments receiver adjustments must be performed after software adjustment (0) and (1). Sub band must be off when adjusting main band, or main af volume (max.Counter clockwise) and sql vo...
Page 63
5 - 5 l521 144m receiver peak/gain adjustment p501 144m receiver peak/gain check point r547 l52 l51 144m peak adjustment for main band l53 • pa unit • main unit l353 l352 l851 r857 144m peak adjustment for sub band 144m total gain adjustment for sub band j51 144m receiver peak/gain pre-setting l852 ...
Page 64
*this output level of a standard signal generator (ssg) is indicated as ssg’s open circuit. Receiver adjustments (continued) 430 m peak (main band) 430 m peak (sub band) 430 m total gain (main band) noise blanker (main band) (sub band) 1 1 1 2 1 2 3 4 • display frequency: 435.0200 mhz • mode : fm • ...
Page 65
5 - 7 l283 l22 l23 430m peak adjustment for main band l282 • pa unit • main unit r61 430m total gain adjustment for main band cp701 noise blanker check point for sub band noise blanker adjustment for sub band l704 l703 430m peak adjustment for sub band l280 l281 cp851 430m peak check point for main ...
Page 66
Pa unit presetting idling current (for 144 m) (for 430 m) rf peak (for 430 m) (for 144 m) if peak carrier suppression • preset r131, r135, r150, r650 (pa unit) to max. Counter clockwise. • preset r3, r138, r503 (pa unit) to center position. • preset c154, c659 (pa unit) to center position as illustr...
Page 67
5 - 9 idling current adjustment for 144m r135 r131 r138 • pa unit • main unit r3 pa unit pre-setting p1 rf peak pre-setting for 430m r150 idling current adjustment for 430m if peak adjustment l3 l2 carrier suppression adjustment r215 r206 c154 rf peak adjustment for 430m l2 l1 c659 rf peak adjustmen...
Page 68
5 - 10 if total gain total gain (for 144 m) (for 430 m) ic apc drive level lo leak (for 144 m) transmitter adjustments (continued) adjustment adjustment adjustment condition measurement value point unit location unit adjust 1 1 2 3 1 2 1 • display frequency: any • mode : usb • mic gain : center • di...
Page 69
5 - 11 • pa unit • main unit r3 total gain adjustment for 430m if total gain adjustment r3 ic apc adjustment ic apc pre-setting r1613 cp1613 drive level adjustment r202 if total gain /drive level check point j51 r503 total gain adjustment for 144m r504 lo leak adjustment for 144m p501 if total gain ...
Page 70
*this output level of a standard signal generator (ssg) is indicated as ssg’s open circuit. 5 - 12 5-6 software adjustment entering software adjustment adjustment item (0) volume center pll unlock adjustment item (1) tuned bpf (for 144 m) (for 430 m) adjustment adjustment condition display operation...
Page 71
*this output level of a standard signal generator (ssg) is indicated as ssg’s open circuit. 5 - 13 software adjustment (continued) adjustment item (2) s-meter (main band) (sub band) adjustment adjustment condition display operation • enter software adjustment mode (refer page 5-12). • push [2] key t...
Page 72
*this output level of a standard signal generator (ssg) is indicated as ssg’s open circuit. 5 - 14 software adjustment (continued) s-meter (sub band) adjustment item (3) noise sql (main band) (sub band) adjustment adjustment condition display operation • set an ssg as : frequency : 146.0200 mhz leve...
Page 73
*this output level of a standard signal generator (ssg) is indicated as ssg’s open circuit. 5 - 15 software adjustment (continued) adjustment item (4) center (main band) adjustment item (5) filter calibration (main band) (sub band) adjustment adjustment condition display operation • connect an ssg t...
Page 74
*this output level of a standard signal generator (ssg) is indicated as ssg’s open circuit. 5 - 16 software adjustment (continued) adjustment item (6) rf peak adjustment item (7) tx power/ meter (for 144 m) (for 1200 m) adjustment adjustment condition display operation • enter software adjustment mo...
Page 75
5 - 17 software adjustment (continued) tx power/ meter (for 430 m) adjustment item (8) deviation adjustment adjustment condition display operation • connect an rf power meter to [uhf ant] connector. • enter software adjustment mode (refer page 5-12). • push [8] key to enter the deviation adjust- men...
Page 76
*this output level of a standard signal generator (ssg) is indicated as ssg’s open circuit. 5 - 18 5-7 ux-910 adjustments 2nd lo lock voltage 1st lo lock voltage receiver gain att gain idling power ballance transmitter gain adjustment adjustment adjustment condition measurement value point unit loca...
Page 77
5 - 19 cp501 1st lo lock voltage check point c332 power ballance adjustment cp322 idling check point cp321 idling check point r13 idling adjustment r67 apc adjustment r83 transmitter gain adjustment r224 receiver gain adjustment cp15 apc check point cp701 2nd lo lock voltage check point cp311 receiv...
Page 78
*this output level of a standard signal generator (ssg) is indicated as ssg’s open circuit. 5 - 20 ux-910 adjustments (continued) apc (power set) adjustment adjustment adjustment condition measurement value point unit location unit adjust 1 2 3 4 5 • display frequency: 1270.0000 mhz • mode : cw • co...
Page 79
5 - 21 r67 apc adjustment cp15 apc check point cp311 pre-setting for apc adjustment cp401 apc check point r61 apc adjustment r37 apc adjustment.
Page 80: Section 6
[display board] 6-1 ic-910 [front unit] s.=surface mount w1 8900006700 cable opc-645 (n:6 l:60) w2 8900006700 cable opc-645 (n:6 l:60) w3 8900006700 cable opc-645 (n:6 l:60) w4 8900009240 cable opc-909 (p=1 n=10 l=110) w5 8900006700 cable opc-645 (n:6 l:60) w6 8900006700 cable opc-645 (n:6 l:60) ep1...
Page 81
[display board] [display board] s.=surface mount r57 7030003640 s.Resistor erj3geyj 473 v (47 k Ω) r58 7030003590 s.Resistor erj3geyj 183 v (18 k Ω) r59 7030003680 s.Resistor erj3geyj 104 v (100 k Ω) r60 7030003480 s.Resistor erj3geyj 222 v (2.2 k Ω) r61 7030003640 s.Resistor erj3geyj 473 v (47 k Ω)...
Page 82
S.=surface mount [display board] [display board] c56 4030006860 s.Ceramic c1608 jb 1h 102k-t-a c57 4030012610 s.Ceramic c2012 jb 1c 474k-t-a c71 4030006860 s.Ceramic c1608 jb 1h 102k-t-a c72 4030006860 s.Ceramic c1608 jb 1h 102k-t-a c73 4030006860 s.Ceramic c1608 jb 1h 102k-t-a c74 4030006860 s.Cera...
Page 83
[pll unit] [rit board] s.=surface mount r2 7210003090 variable rv-316 (rk0972210c05 10kb/10kb) j1 6510022570 s.Connector 06fmn-bmttr-a-tbt ep1 0910052661 pcb b 5461a l1 6200003950 s.Coil hf50acc 322513-t r1 7030006070 s.Resistor erj12yj101u (100 Ω) r2 7030006070 s.Resistor erj12yj101u (100 Ω) c1 403...
Page 84
S.=surface mount [pll unit] [pll unit] l424 6200005720 s.Coil eljre 33ng-f l425 6200005700 s.Coil eljre 22ng-f l471 6200005010 s.Coil nl 252018t-100j l473 6200005720 s.Coil eljre 33ng-f l474 6200001830 s.Coil nl 322522t-100j l511 6200001830 s.Coil nl 322522t-100j l541 6200004950 s.Coil nl 252018t-1r...
Page 85
[pll unit] [pll unit] s.=surface mount r427 7030003300 s.Resistor erj3geyj 680 v (68 Ω) r474 7030003560 s.Resistor erj3geyj 103 v (10 k Ω) r475 7030003290 s.Resistor erj3geyj 560 v (56 Ω) r476 7030003370 s.Resistor erj3geyj 271 v (270 Ω) r477 7030003230 s.Resistor erj3geyj 180 v (18 Ω) r478 70300033...
Page 86
S.=surface mount [pll unit] [pll unit] c192 4030006860 s.Ceramic c1608 jb 1h 102k-t-a c193 4030006860 s.Ceramic c1608 jb 1h 102k-t-a c194 4030006910 s.Ceramic c1608 ch 1h 0r5c-t-a c196 4030006860 s.Ceramic c1608 jb 1h 102k-t-a c198 4030007090 s.Ceramic c1608 ch 1h 470j-t-a c213 4030007060 s.Ceramic ...
Page 87
[main unit] [pll unit] s.=surface mount c705 4030007160 s.Ceramic c1608 ch 1h 181j-t-a c708 4030007110 s.Ceramic c1608 ch 1h 680j-t-a c709 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c710 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c711 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c713 4030006880 s.Ceramic...
Page 88
S.=surface mount [main unit] [main unit] q707 1590001660 s.Transistor xp4312 (tx) q751 1590001660 s.Transistor xp4312 (tx) q752 1590001660 s.Transistor xp4312 (tx) q753 1590001660 s.Transistor xp4312 (tx) q801 1540000550 s.Transistor 2sd1664 t100q q804 1540000470 s.Transistor 2sd1801s-tl q805 159000...
Page 89
[main unit] [main unit] s.=surface mount l652 6150004210 coil ls-480 l653 6150004170 coil ls-476 l703 6150004880 s.Coil ls-513 l704 6150004880 s.Coil ls-513 l851 6150004200 coil ls-479 l852 6150004210 coil ls-480 l853 6150004170 coil ls-476 l854 6200002040 s.Coil nl 252018t-101j l951 6200002040 s.Co...
Page 90
S.=surface mount [main unit] [main unit] r364 7030003320 s.Resistor erj3geyj 101 v (100 Ω) r365 7030003550 s.Resistor erj3geyj 822 v (8.2 k Ω) r368 7030003320 s.Resistor erj3geyj 101 v (100 Ω) r369 7030003320 s.Resistor erj3geyj 101 v (100 Ω) r371 7030003490 s.Resistor erj3geyj 272 v (2.7 k Ω) r372 ...
Page 91
[main unit] [main unit] s.=surface mount r915 7030003520 s.Resistor erj3geyj 472 v (4.7 k Ω) r916 7030003780 s.Resistor erj3geyj 684 v (680 k Ω) r927 7030003810 s.Resistor erj3geyj 125 v (1.2 m Ω) r951 7030003500 s.Resistor erj3geyj 332 v (3.3 k Ω) r952 7030003740 s.Resistor erj3geyj 334 v (330 k Ω)...
Page 92
S.=surface mount [main unit] [main unit] r1679 7030003680 s.Resistor erj3geyj 104 v (100 k Ω) r1680 7030003560 s.Resistor erj3geyj 103 v (10 k Ω) r1681 7030003680 s.Resistor erj3geyj 104 v (100 k Ω) r1682 7030003680 s.Resistor erj3geyj 104 v (100 k Ω) r1685 7030003680 s.Resistor erj3geyj 104 v (100 ...
Page 93
[main unit] [main unit] s.=surface mount c59 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c60 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c61 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c62 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c101 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c102 4030006860 s.Ceramic c1...
Page 94
S.=surface mount [main unit] [main unit] c732 4030007140 s.Ceramic c1608 ch 1h 121j-t-a c751 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c752 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c753 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c754 4030006900 s.Ceramic c1608 jb 1e 103k-t-a c756 4030006900 s.Cerami...
Page 95
[main unit] [main unit] s.=surface mount c1667 4030011600 s.Ceramic c1608 jb 1c 104kt-n c1668 4030011600 s.Ceramic c1608 jb 1c 104kt-n c1669 4510004440 s.Electrolytic ecev1ha010sr c1670 4030011600 s.Ceramic c1608 jb 1c 104kt-n c1671 4510004630 s.Electrolytic ecev1ca100sr c1672 4030011600 s.Ceramic c...
Page 96
S.=surface mount [pa unit] [pa unit] ic40 1110004080 s.Ic µpc2709t-e3 ic200 1110003320 s.Ic µpc2710t-e3 ic240 1110003320 s.Ic µpc2710t-e3 ic501 1110004080 s.Ic µpc2709t-e3 ic502 1110003320 s.Ic µpc2710t-e3 ic701 1180001110 s.Ic pq20vz51 q1 1560000270 s.Fet 2sk302-y (te85r) q2 1560000270 s.Fet 2sk302...
Page 97
[pa unit] [pa unit] s.=surface mount l71 6200002630 s.Coil nl 252018t-r10j l72 6200002840 s.Coil nl 252018t-r22j l97 6200005680 s.Coil eljre 15ng-f l102 6200004960 s.Coil nl 252018t-r33j l103 6200008570 s.Coil lqn21a 6n8d04 l117 6200008910 s.Coil 1812cs-122xkbc l118 6200008910 s.Coil 1812cs-122xkbc ...
Page 98
S.=surface mount [pa unit] [pa unit] r108 7030008190 s.Resistor erj12yj330u (33 Ω) r110 7030003290 s.Resistor erj3geyj 560 v (56 Ω) r111 7030003400 s.Resistor erj3geyj 471 v (470 Ω) r117 7030006070 s.Resistor erj12yj101u (100 Ω) r118 7030003560 s.Resistor erj3geyj 103 v (10 k Ω) r121 7030000230 s.Re...
Page 99
[pa unit] [pa unit] s.=surface mount r585 7030003230 s.Resistor erj3geyj 180 v (18 Ω) r586 7030003370 s.Resistor erj3geyj 271 v (270 Ω) r587 7030003420 s.Resistor erj3geyj 681 v (680 Ω) r588 7030003440 s.Resistor erj3geyj 102 v (1 k Ω) r589 7030003280 s.Resistor erj3geyj 470 v (47 Ω) r615 7510001160...
Page 100
S.=surface mount [pa unit] [pa unit] c139 4030011210 s.Ceramic grm42-6 ch 330j 500pt c140 4030016580 s.Ceramic grh111 ch 390j 500pt c141 4030016580 s.Ceramic grh111 ch 390j 500pt c142 4030004950 s.Ceramic c2012 ch 1h 470j-t-a c143 4030004720 s.Ceramic c2012 jb 1h 102k-t-a c144 4030006880 s.Ceramic c...
Page 101
[pa unit] [pa unit] s.=surface mount c307 4030006860 s.Ceramic c1608 jb 1h 102k-t-a c308 4030006860 s.Ceramic c1608 jb 1h 102k-t-a c309 4510007540 electrolytic eca 1chg 471 c310 4030007170 s.Ceramic c1608 ch 1h 221j-t-a c311 4030006880 s.Ceramic c1608 jb 1h 472k-t-a c312 4030011600 s.Ceramic c1608 j...
Page 102
S.=surface mount [pa unit] [pa unit] c607 4030007070 s.Ceramic c1608 ch 1h 330j-t-a c608 4030009920 s.Ceramic c1608 ch 1h 050b-t-a c609 4030007030 s.Ceramic c1608 ch 1h 150j-t-a c610 4030007020 s.Ceramic c1608 ch 1h 120j-t-a c611 4030007030 s.Ceramic c1608 ch 1h 150j-t-a c612 4030009920 s.Ceramic c1...
Page 103
[drv board] [pa unit] s.=surface mount f300 5210000130 fuse fgb 4a f301 5220000230 holder s-n5054 #01 f302 5220000230 holder s-n5054 #01 w3 7030003860 s.Jumper erj3ge jpw v w5 7030003860 s.Jumper erj3ge jpw v w7 7030003860 s.Jumper erj3ge jpw v w60 7030008240 s.Jumper erj12yj0r00u w61 7030008240 s.J...
Page 104
S.=surface mount [main unit] — ux-910 6-2 ux-910 [main unit] ic21 1150002020 ic m57762-02 ic31 1110001220 s.Ic ba4558f t1 ic111 1110004080 s.Ic µpc2709t-e3 ic131 1110005150 s.Ic µpc8163tb-e3 ic141 1110001890 s.Ic µpc1678g-e2 ic161 1180002040 reg ba09t ic162 1180001070 s.Ic ta7805f (te16l) ic181 1110...
Page 105
[main unit] — ux-910 [main unit] — ux-910 s.=surface mount l285 6200006050 s.Coil lqp11a 6n8c00 l286 6200006020 s.Coil lqp11a 3n9c00 l287 6200006030 s.Coil lqp11a 4n7c00 l289 6200006100 s.Coil lqp11a 18ng00 l311 2040000490 coil exc-eldr25c l501 6200001830 s.Coil nl 322522t-100j l511 6200001830 s.Coi...
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S.=surface mount [main unit] — ux-910 [main unit] — ux-910 r288 7310002670 s.Trimmer rv-143 (rh03a3as2) 471 r301 7030003320 s.Resistor erj3geyj 101 v (100 Ω) r311 7030003520 s.Resistor erj3geyj 472 v (4.7 k Ω) r312 7030003510 s.Resistor erj3geyj 392 v (3.9 k Ω) r342 7030003440 s.Resistor erj3geyj 10...
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[main unit] — ux-910 [main unit] — ux-910 s.=surface mount c65 4030011600 s.Ceramic c1608 jb 1c 104kt-n c66 4030006850 s.Ceramic c1608 jb 1h 471k-t-a c67 4030006860 s.Ceramic c1608 jb 1h 102k-t-a c69 4030007090 s.Ceramic c1608 ch 1h 470j-t-a c70 4030006860 s.Ceramic c1608 jb 1h 102k-t-a c71 40300068...
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S.=surface mount [main unit] — ux-910 [main unit] — ux-910 c287 4030006880 s.Ceramic c1608 jb 1h 472k-t-a c288 4030009530 s.Ceramic c1608 ch 1h 030b-t-a c289 4030007090 s.Ceramic c1608 ch 1h 470j-t-a c290 4030007090 s.Ceramic c1608 ch 1h 470j-t-a c292 4030006860 s.Ceramic c1608 jb 1h 102k-t-a c293 4...
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[main unit] — ux-910 [main unit] — ux-910 s.=surface mount c731 4030007050 s.Ceramic c1608 ch 1h 220j-t-a c732 4030007050 s.Ceramic c1608 ch 1h 220j-t-a c733 4030009520 s.Ceramic c1608 ch 1h 020b-t-a c734 4030011600 s.Ceramic c1608 jb 1c 104kt-n c735 4030006860 s.Ceramic c1608 jb 1h 102k-t-a c741 40...
Page 110: Section 7
Ep1 6910012480 rms20-250-201-1r 1 ep2 6450001230 hlj0999-01-480 1 mp1 8210017280 2355 front panel assembly 1 mp2 8310048750 2355 window plate 1 mp4 8930053620 2355 a-power key 1 mp5 8930052170 2355 func key 1 mp6 8930052180 2355 key board 1 mp7 8010018220 2355 sub chassis assembly 1 mp9 8610010970 k...
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7 - 2 func board jack board vr-a board mic board vr-b board rit board display unit mp25 (c) mp21 (c) mp25 (c) mp21 (c) mp25 (c) mp21 (c) mp25 (c) mp25 (c) mp25 (c) mp25 (c) mp37 (ch) j1 (j) j1 (mic) mp4 (d) mp4 (d) mp37 (ch) ep2 (f) mp33 (c) r1 (va) j1 (mic) mp35 (f) r1 (vb) mp33 (c) mp2 (c) mp38 (f...
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7 - 3 main unit pll unit drv board varistor-c board varistor-b board pa unit varistor-a board mp12 (ch) mp1851 (m) mp32 (ch) mp56 (ch) mp59 (ch) mp56 (ch) mp56 (ch) mp57 (ch) mp34 (ch) mp34 (ch) mp56 (ch) mp51 (ch) mp34 (ch) mp34 (ch) mp56 (ch) mp32 (ch) mp32 (ch) mp5 (ch) j1 (ch) mp32 (ch) mp32 (ch...
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Mp1 8930014140 earth spring (d) 1 mp7* 8510012310 2157 dbm case 1 mp8* 8510013620 2355 a-filter case 1 mp9* 8510002020 mix shield case 1 mp10* 8510012310 2157 dbm case 1 mp11* 8510013390 2355 mix case 1 mp12* 8510013890 2355 v-a shield plate 1 mp13* 8510013630 2355 u-a shield plate 1 mp14 8510010460...
Page 114: Section 8
8 - 1 • transistors and fet’s section 8 semi-conductor information b e c b e c b e c b c e b e c b e c b b e e c c b e c b e c b e c b e e e e c b e c b e c b c e b e c b e c b e c b e c b e e e e c b e c b e c e c b e e c b e b e c b e c b c e b c e b c e b e c b e c s d g d g s s d g s d g d g s s...
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8 - 2 g1 g2 s d g1 g2 s d d s g2 g1 b e c b e c b e c b e c b e c b e c b e c b1 e b2 c1 c2 b e c e1 b1 b2 c1 c2 e1 c2 b1 c1 e2 b2 e1 c2 b1 c1 e2 b2 e1 c2 b1 c1 e2 b2 g s d s g s s d g s s s s d g s d g d s 2sk2855 2sk2973 2sk2975 3sk131 t2 la 3sk177 t1b u73 3sk241 r cph3404-tl dta114 ee tl dta114eu...
Page 116
8 - 3 • diodes c a1 a2 a c c a1 a2 a pink c a c a1 a2 c1 c2 nc a c c a1 a2 a c a1 c2 c1 a1 c2 c1 a c a c a c a c a c a c a c a c a c a c a c a c a c red dot a c 1ss301 1ss355 1ss375-tl 1ss385 1sv214 1sv217 1sv237 1sv239 1sv265 tl 1sv286 1sv307 1sv308 da221 dan202 u t107 dan222tl dap202k t146 dap222 ...
Page 117: Section 9
9 - 1 9-1 vr-a board section 9 board layouts • top view gnd j1 2 6 1 to display board j2 5 ma vr nc nc msvr +5v • top view gnd j1 2 6 1 to display board j10 5 rivr nc nc sfvr +5v 9-2 vr-b board • top view gnd 2 j1 6 1 to display board j11 5 sa vr nc nc ssvr +5v 9-3 rit board.
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9 - 2 • bottom view (rit board) • bottom view (vr-a board) • bottom view (vr-b board).
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9 - 3 9-4 func board • top view kst1 kst3 kr t1 kst2 j1 1 5 2 6 to display unit j3 kr t0 gnd 9-8 varistor-a board • top view v-a2 gnd v-a1 to p a unit j652 9-5 mic board • top view 9-6 jack board • top view 9-7 drv board • top view dr v o dr v o gnd gnd gnd gnd dr vi dr vi to pa unit j932 to pa unit...
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9 - 4 • bottom view (varistor-a board) • bottom view (varistor-b board) • bottom view (varistor-c board) • bottom view (func board) • bottom view (mic board) mic j2 2 10 1 9 to display board j6 gnd ptt miud nc mice afo msqls +9v gnd • bottom view (jack board) phin j2 5 1 6 2 to display board j5 sspo...
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9 - 5 9-11 display board • top view 8 5 1 4 1 8 16 9 1 8 16 9 1 8 16 9.
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9 - 6 • bottom view (display board) 1 4 5 8 1 5 4 8 1 4 8 5 1 100 81 80 51 50 31 30 1 100 81 80 51 50 31 30 1 8 16 9 gnd 1 to main sensor j4 4 a b +5v mspo j14 7 1 to main unit j1251, j1201 sspo phg 14v hv mic mice to fan gnd j12 3 1 nc f anv +5v j2 1 to vr-a board j1 5 msvr nc nc mavr gnd 2 6 phin ...
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9 - 7 9-12 pa unit • top view 1 4 8 5 1 3 6 4 1 5 6 1 3 6 4 spe sp j50 to main unit j1853 spe sp j51 1 2 2 1 to sp1 dr vi dr vi gnd gnd j931 1 4 to drv board gnd gnd dr v o dr v o j932 1 4 to drv board v-c1 gnd v-c2 j651 1 v-a2 gnd v-a1 j652 3 to varistor-a board to varistor-c board to varistor-b bo...
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9 - 8 • bottom view (pa unit) 1 3 4 6 1 3 4 6.
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9 - 9 9-13 pll unit • top view r325 1 25 75 44 34 12 22 1 8 16 9 33 23 1 11 51 100 76 26 50 1 4 8 5 1 25 75 33 23 1 11 22 12 34 44 51 100 76 26 50 1 4 8 5 1 4 8 5 gnd pd a t 43dt 14ul nc nc nc 14v +9v - 5v pck 14dt pst4 43ul nc bfst 14v nc nc gnd 1 2 j601 1 19 2 to display board j9 to main unit j501...
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9 - 10 • bottom view (pll unit) r341 mp11.
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9 - 11 9-14 main unit • top view 1 18 16 9 1 10 20 18 16 9 11 8 1 8 16 9 1 8 16 9 16 9 18 16 9 8 1 18 16 9 8 16 9 1 1 8 16 9 1 4 8 5 1 16 9 1 8 12 24 13 18 16 9 16 9 1 18 16 9 18 16 9 8 1 4 8 5 1 1 8 16 9 7 14 8 8 1 18 16 9 18 16 9 1 12 remo te ac c 1 da t a 1 da t a 2 key main sp sub sp mice mic j1...
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9 - 12 • bottom view (main unit) 14 85 1 7 1 1 12 81 4 71 81 4 7 1 5 10 6 1 5 10 14 8 1 7 7 1 8 8 14 7 1 14 6 1 1 4 8 5 24 13 7 14 8 14 85 14 8.
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9 - 13 9-15 ux-910 main unit • top view ifm 25 j311 to ic-910 main unit j2 nc 14v gnd txs 12tp 12pv -5v pdat 12ps 12ul gnd ifs 1 gnd 24 14v nc dres rxs 1for opb1 pck 12st 12ds 12ref gnd 2 5 8 4 1 1 8 16 9 1 4 8 5 1 1 4 8 1 1 5 10 6 4 8 5 5 4 8 5 1 100 76 26 50 25 75 51 1 3 6 4 1 4 8 5 4 1 5 5 8 4 1 ...
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9 - 14 • bottom view (ux-910 main unit) 1 4 8 5.
Page 131: Section 10
10 - 1 10-1 main unit section 10 block diagrams af2s af1s af2m af1m stls dssw dsps dspm unfm agfm agsm wncm coms cwvr d96s pif phco pcon muts mutm extg upri 430s 430m 430m 144m ut9v vt9v vut9 sw send remote common line line rx line tx line data bus line dcon din mod bu4053bcfv ic1531a key avxl extg ...
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10 - 2 10-2 pa and pll units b2lo 60.4 mhz osc buff amp amp amp 2sc4081 2sc4081 q602 q541 sc-1287 ic601 2sc5107 q551 x2 bpf att lpf dds bfom to ux-910 30.2 mhz common line line rx line tx line data bus line 43ul dtc144eu q154 det unlock bfos att att lpf lpf hpf hpf from display board bu4094bcf ic1 d...
Page 133
10 - 3 10-3 front unit s-80942anmp-dd6 ic7 alcl stl srl key front rms20-250-201-1r ep1 xn58x2464 ic6 main sensor key matrix bus front key func board sub tx/rx led phin sfvr rivr ssvr savr msvr mavr phone jack vr-a board vr-b board rit board main tx/rx led common line line rx line tx line data bus li...
Page 134: Section 11
11 - 1 section 11 wiring diagram 1 2 j551 j541 30.2 p312 j1 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 pll unit 430m 1lo w305 2 1 2 1 gnd bfos j1051 2 1 p701 2 1 afs dsom gnd gnd dsos gnd nc nc dres ints dpst mdtc mck 5v dsps gnd gnd gnd ifm gnd nc nc 14v 14v gnd dres txs rxs 12tp 1for 12pv ...
Page 135: Section 12
12 - 1 12-1 front unit section 12 voltage diagrams [power] j14 from main unit j1251, j1201 to main unit j1101 to main unit j1151 7 6 5 4 3 2 1 hv 14v mic mice mspo phg sspo phg1 hf50acc322513-b l3 phin gnd sspo mspo gnd mic mice +9v miud2 gnd afo ptt msqls gnd j6 10 9 8 7 6 5 4 3 2 1 0.001 c25 ep4 h...
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12 - 2 12-2 pll unit 0.68 µ h l601 0.47 µ h l602 220p c601 56p c602 390p c603 180p c604 180p c605 w603 68p c608 3.3 µ h 0.68 µ h 0.47 µ h 3.3 µ h l604 0.01 c609 r613 2k r614 2k r615 2k r616 2k r617 2k r618 2k r619 2k r620 2k r609 1k r608 1k r607 1k r606 1k r605 1k r604 1k r603 1k pck pdat pres bfst ...
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12 - 3 12-3 pa unit (1) chassis j1 [vhf ant] w710 p501 j501 to main unit j51 from pll unit j251 j503 p510 j510 to main unit j651 r722 1k d721 hsu88 c731 100p r715 47k c715 100p c734 2p c730 6p l721 la-177 l722 la-177 l723 la-176 r721 68 l657 la-300 c676 10p r711 56 c671 15p c672 15p c673 2p c674 47p...
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12 - 4 12-4 pa unit (2) chassis j2 [uhf ant] r185 1k d181 hsu88 c192 220p r170 2.2k c401 220p l182 1812cs.122xkbc w180 r184 68 r186 68 r189 10k c191 10p l180 la-69 l181 la-69 l184 la-252 d182 xb15a407 d184 xb15a407 d183 xb15a407 d185 xb15a407 c194 0.001 c185 1p c187 2p c173 4p c329 2p c174 200p c156...
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12 - 5 unit (1) main 0.01 c1461 0.01 c1471 0.01 c1481 c1491 0.01 0.1 c1532 0.1 c1531 r1709 10k c1724 0.1 4.7k r1708 r1681 100k c1521 0.01 ctcs afs afm cp1404 cp1403 cp1402 cp1401 c1401 0.01 c1402 0.01 mice mic hv 14v phg sspo mspo cive civ dot dash h e f h f l1585 100 µ h outs ptt1 outm aalc extg d9...
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12 - 6 xp4312 q402 1 2 3 4 5 6 1 c482 2sk1829 q406 xp4601 q405 1 2 3 4 5 6 1 2 3 4 5 6 0.01 c469 c467 10 0.0056 c466 0.1 c465 0.0022 c464 47k r477 1k r475 1.8k r474 22k r473 22k r472 22k r471 47k r470 47k r469 w483 0.1 c468 r479 56k r478 220 180k r476 -5v 56k r486 10k r485 0.1 c474 680p c480 100k r4...
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12 - 7 12-8 ux-910 main unit (1) mp541 c546 0.5p r555 100 r551 22k l555 56nh c551 47p r533 100 r543 6.8k c549 0.001 l531 10nh q541 2sc5508 8v_1vco d531 ma8082 r531 220 q531 2sd2216 ep543 d541 1sv239 r515 10 c548 10p c533 1 c534 470p c538 0.001 c531 470 c532 1 ssb,cw q511 2sk880 c514 0.0047 c511 0.00...
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12 - 8 12-9 ux-910 main unit (2) chassis j501 [12ant] 1lo 2lo cnty -5v dat ck 12ul 12c2 12ps 12ds 12dr +5 +9 cnty +5 +9 -5v 1lo 2lo ck dat 12c2 12ul 12dr 12ds 12ps main unit (1) main unit (2) dres 12st +5 dat ck +5 1k r342 2lo 1lo 2lo 1lo +5 bu4094bcfv ic301 8 16 10 qs 9 qs 11 q8 12 q7 13 q6 14 q5 7...
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Asia icom inc. 6f no.68, sec. 1 cheng-teh road, taipei, taiwan, r.O.C. Phone : +886 (02) 2559 1899 fax : +886 (02) 2559 1874 url : http://www.Asia-icom.Com e-mail : sales@asia-icom.Com zac de la plaine, 1, rue brindejonc des moulinais bp 5804, 31505 toulouse cedex, france phone : +33 (5) 61 36 03 03...
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