![background image](http://html.mh-extra.com/html/icom/ic-910h/ic-910h_service-manual_611499040.webp)
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
R181
C181
Q181
5V
VSS
1
SYSCLKO
2
VDD
3
VDD
4
VSS
5
DA0
6
DA1
7
DA2
8
DA3
9
VSS
10
DA4
11
DA5
12
DA6
13
DA7
14
VSS
15
VSS
16
DA8
17
DA9
18
DA10
19
DA11
20
VDD
21
TE1
22
TE2
23
TE3
24
VDD
25
V
D
D
1
0
0
D
A
T
A
9
9
C
O
N
T
C
L
K
9
8
V
S
S
2
6
V
S
S
2
7
V
D
D
2
8
T
E
O
U
T
H
0
2
9
T
E
O
U
T
H
1
3
0
T
E
O
U
T
H
2
3
1
T
E
O
U
T
H
3
3
2
T
E
O
U
T
H
4
3
3
V
D
D
3
4
V
D
D
3
5
S
Y
S
R
E
S
E
T
3
6
V
S
S
3
7
V
D
D
3
8
O
S
C
I
3
9
V
S
S
4
0
O
S
C
F
4
1
V
D
D
4
2
V
S
S
4
3
O
S
C
O
4
4
V
S
S
4
5
P
D
I
N
4
6
R
E
F
I
N
4
7
V
S
S
4
8
D
I
V
O
U
T
4
9
V
D
D
5
0
PD2 51
PD1 52
VDD 53
PD0 54
VSS 55
PDTRI 56
VDD 57
REF_OSC
58
RC 59
FCK 60
VSS 61
Q16MA 62
Q4MA 63
VDD 64
VSS 65
ETCO7 66
ETCO6 67
ETCO5 68
VSS 69
ETCO4 70
ETCO3 71
VSS 72
ETCO2 73
ETCO1 74
ETCO0 75
V
S
S
7
6
V
S
S
7
7
V
D
D
7
8
B
U
M
2
I
7
9
B
U
N
2
I
8
0
B
U
N
4
I
8
1
V
D
D
8
2
B
U
M
2
O
8
3
B
U
N
2
O
8
4
B
U
N
4
O
8
5
V
S
S
8
6
V
D
D
8
7
S
Y
S
C
L
K
8
8
V
S
S
8
9
V
S
S
9
0
S
T
R
B
9
1
C
O
N
2
9
2
C
O
N
1
9
3
C
O
N
0
9
4
V
S
S
9
5
B
U
S
Y
9
6
V
S
S
9
7
IC131
C144
C145
C146
C147
C148
L131
R140
R139
R138
R137
R136
R133
Q153
R134
R135
R272
1
4
D
T
P
C
K
P
D
A
T
14UL
C
O
N
0
C
O
N
2
C
O
N
1
R101
R102
R103
R112
R113
R114
R115
L1
STR
1
D
2
CLK
3
OE
15
Q1 4
Q2 5
Q3 6
Q4 7
Q5 14
Q6 13
Q7 12
Q8 11
QS 9
QS 10
1
6
8
IC1
CP7
CP8
R111
C1
R104
R105
R106
R107
R108
R109
R110
R116
R117
R118
R119
R120
R121
R122
C106
C104
C2
C3
C4
C5
C9
L101
L102
C113
R124
1
2
3
4
MP10
1
2
3
4
5
6
MP9
PST4
PDAT
PCK
CON0
CON1
CON2
PRES
C132
C133
C140
C102
R123
C108
C139
C131
C101
C135
L103
C136
C138
C111
C134
R126
R129
R161
R162
R170
C141
C142
C143
R167
R169
3
2
1
4
8
IC161A
C167
C168
C170
C171
R165
R164
R132
C166
C169
C164
C165
C174
R166
R168
C175
D161
VCC1 1
IN 2
IN 3
GND 4
SW1
5 SW2
6 OUT
7 VCC2
8
IC271
C283
Q272
R281
C279
C193
L193
L271
Q161
R271
1 2 3 4
MP1
R212
R213
C281
R211
5V
430M 1Lo
(TO PA)
R276
C275
C276
Q381
C408
R274
C407
C410
C382
R277
R275
R278
D394
R393
C398
R282
C280
C284
L273
L399
R394
C399
C401
R391
D381
R268
C274
C277
1 2 3 4
MP2
C381
R381
C278
C261
C273
C365 C366
R366
C363
C362
C383
L391
R361
C364
C376
R267
R273
Q271
R365
5
V
C107
C109
C348
C344
R130
R340
R339
R338
R337
R336
R335
C343
R334
R333
Q154
C121
R131
C122
C137
C110
R125
1
2
3
5
4
IC101
R127
R261
R263
C263
C262
Q261
R262
C124
L331
P
D
A
T
P
C
K
4
3
D
T
43UL
C
O
N
0
C
O
N
1
C
O
N
2
CP1
CP2
CP3
CP4
CP5
CP6
CP9
CP10
R301
R312
R313
R314
C105
C103
C12
R8
R9
R10
R11
R12
R14
R13
R19
14UL
43UL
14DT
43DT
PST4
PCK
PDAT
14V
14V
+9V
-5V
GND
GND
BFST
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J1
C13
C14
CP11
CP12
CP13
CP14
CP15
CP16
R302
R303
R304
R305
R306
R307
R308
R309
R310
R315
R316
R317
R318
R319
R320
R321
R322
C314
R311
R324
C15
C16
1
2
3
4
5
6
MP7
R323
C301
VSS
1
SYSCLKO
2
VDD
3
VDD
4
VSS
5
DA0
6
DA1
7
DA2
8
DA3
9
VSS
10
DA4
11
DA5
12
DA6
13
DA7
14
VSS
15
VSS
16
DA8
17
DA9
18
DA10
19
DA11
20
VDD
21
TE1
22
TE2
23
TE3
24
VDD
25
V
D
D
1
0
0
D
A
T
A
9
9
C
O
N
T
C
L
K
9
8
V
S
S
2
6
V
S
S
2
7
V
D
D
2
8
T
E
O
U
T
H
0
2
9
T
E
O
U
T
H
1
3
0
T
E
O
U
T
H
2
3
1
T
E
O
U
T
H
3
3
2
T
E
O
U
T
H
4
3
3
V
D
D
3
4
V
D
D
3
5
S
Y
S
R
E
S
E
T
3
6
V
S
S
3
7
V
D
D
3
8
O
S
C
I
3
9
V
S
S
4
0
O
S
C
F
4
1
V
D
D
4
2
V
S
S
4
3
O
S
C
O
4
4
V
S
S
4
5
P
D
I
N
4
6
R
E
F
I
N
4
7
V
S
S
4
8
D
I
V
O
U
T
4
9
V
D
D
5
0
PD2 51
PD1 52
VDD 53
PD0 54
VSS 55
PDTRI 56
VDD 57
REF_OSC
58
RC 59
FCK 60
VSS 61
Q16MA 62
Q4MA 63
VDD 64
VSS 65
ETCO7 66
ETCO6 67
ETCO5 68
VSS 69
ETCO4 70
ETCO3 71
VSS 72
ETCO2 73
ETCO1 74
ETCO0 75
V
S
S
7
6
V
S
S
7
7
V
D
D
7
8
B
U
M
2
I
7
9
B
U
N
2
I
8
0
B
U
N
4
I
8
1
V
D
D
8
2
B
U
M
2
O
8
3
B
U
N
2
O
8
4
B
U
N
4
O
8
5
V
S
S
8
6
V
D
D
8
7
S
Y
S
C
L
K
8
8
V
S
S
8
9
V
S
S
9
0
S
T
R
B
9
1
C
O
N
2
9
2
C
O
N
1
9
3
C
O
N
0
9
4
V
S
S
9
5
B
U
S
Y
9
6
V
S
S
9
7
IC331
C331
C333
C339
C345
C325
C303
C323
C332
C329
3
2
1
4
8
IC12A
C340
C341
C342
C371
C372
C391
C392
C393
C394
C374
5
6
7
IC12B
R332
C370
R370
C368
C369
R369
C375
R368
C350
R362
R363
R367
CP300
C377
Q361
R364
D361
C347
C403
C404
R397
C481
VCC1 1
IN 2
IN 3
GND 4
SW1
5 SW2
6 OUT
7 VCC2
8
IC471
C476
C478
C482
Q392
C413
R477
C487
L394
L397
L393
C475
L392
D391
D393
D392
C484
R481
C488
Q391
C402
R475
L471
R474
L395
C474
R392
C405
C421
C423
C422
L421
L422
L425
L423
L424
C426
C428
C430
C485
Q472
L473
R425
R427
R426
P421
J421
430M 2Lo
(TO PA)
C541
J541
C545
P551
1
2
J551
C542
Q541
R543
C543
R557
R542
R544
L553
R545
R548
R547
C544
L541
L552
R553
C556
C558
R482
R483
C483
R552
R559
R541
L551
R160
C480
C535
R476
R478
Q471
R538
C373
R569
R568
R571
C575
Q501
C574
R572
L474
C471
C472
R479
R570
OPTIONAL
TCXO
C334
C337
C505
C504
C503
C512
C511
3
12
X512
C513
C514
C515
L511
R327
R515
C321
C322
R330
C336
C335
1
2
3
5
4
IC301
C123
R331
13.8V
1
OUT 2
GND 3
NC
4
G
5
G
6
HX511
C330
L332
C312
5V
C310
L303
R325
R326
C327
R341
C308
IC501
C501
C502
R501
R503
R502
1
2
3
4
MP8
L301
L302
C304
C306
C618
R601
R602
R612
R611
R610
C619
L599
C611
R621
R623
R622
C613
Q602
C610
C620
C718
R701
R702
R712
R711
R710
C719
L700
R555
C551
C552
C555
C711
R626
R625
R554
Q551
R721
R722
C713
R723
Q702
R551
C710
C720
C553
C554
C557
1
2
J601
R627
1
2
P601
R556
R558 C559
C560
BFOM
1
2
J701
R727
1
2
P701
BFOS
C717
C715
C714
V
S
S
1
VDD 44
F
S
K
1
2
F
S
K
0
3
E
T
C
0
4
E
T
C
1
5
V
D
D
6
S
Y
S
_
C
L
K
7
N
U
M
0
8
N
U
M
1
9
N
U
M
2
1
0
V
D
D
1
1
VSS
12
DA0
13
DA1
14
DA2
15
DA3
16
DA4
17
VSS
18
DA5
19
DA6
20
DA7
21
DA8
22
D
A
9
2
3
V
D
D
2
4
R
O
M
C
E
2
5
R
E
S
E
T
2
6
V
S
S
2
7
V
D
D
2
8
P
D
M
0
2
9
P
D
M
1
3
0
P
D
M
2
3
1
Q
3
2
I
3
3
VSS 34
UL 35
P1 36
TREE 37
P2 38
VDD 39
VSS 40
STRB 41
DATA 42
CON_CLK
43
IC701
R726
R725
C716
C721
R728
R729
R730
R731
BFST
PRES
PDAT
PCK
R703
R704
R705
R706
R707
R708
R709
R720
R719
R718
R717
R716
R715
R714
R713
C709
L704
C708
W703
C705
C703
C704
C702
C701
L701
L702
V
S
S
1
VDD 44
F
S
K
1
2
F
S
K
0
3
E
T
C
0
4
E
T
C
1
5
V
D
D
6
S
Y
S
C
L
K
7
N
U
M
0
8
N
U
M
1
9
N
U
M
2
1
0
V
D
D
1
1
VSS
12
DA0
13
DA1
14
DA2
15
DA3
16
DA4
17
VSS
18
DA5
19
DA6
20
DA7
21
DA8
22
D
A
9
2
3
V
D
D
2
4
R
O
M
C
E
2
5
R
E
S
E
T
2
6
V
S
S
2
7
V
D
D
2
8
P
D
M
0
2
9
P
D
M
1
3
0
P
D
M
2
3
1
Q
3
2
I
3
3
VSS 34
UL 35
P1 36
TREE 37
P2 38
VDD 39
VSS 40
STRB 41
DATA 42
CON_CLK
43
IC601
C614
C615
C617
C616
C621
R628
R629
R630
R631
BFST
PRES
PDAT
PCK
R603
R604
R605
R606
R607
R608
R609
R620
R619
R618
R617
R616
R615
R614
R613
C609
L604
C608
W603
C605
C604
C603
C602
C601
L602
L601
1
2
2
PLL UNIT
*Refer to “
PARTS LIST
” for the parts name and value.
Содержание IC-910H
Страница 1: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 23 SCHEMATIC DIAGRAM 33 Nov 2008 ...
Страница 26: ...Nov 2008 25 DISPLAY UNIT TOP VIEW The combination of top side and bottom side of this ...
Страница 33: ...Nov 2008 32 MAIN UNIT BOT VIEW The combination of top side and bottom side of this ...
Страница 41: ...SERVICE MANUAL VHF UHF ALL MODE TRANSCEIVER i910H ...
Страница 118: ...9 2 BOTTOM VIEW RIT BOARD BOTTOM VIEW VR A BOARD BOTTOM VIEW VR B BOARD ...
Страница 121: ...9 5 9 11 DISPLAY BOARD TOP VIEW 8 5 1 4 1 8 16 9 1 8 16 9 1 8 16 9 ...
Страница 124: ...9 8 BOTTOM VIEW PA UNIT 1 3 4 6 1 3 4 6 ...
Страница 126: ...9 10 BOTTOM VIEW PLL UNIT R341 MP11 ...
Страница 130: ...9 14 BOTTOM VIEW UX 910 MAIN UNIT 1 4 8 5 ...
Страница 144: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13714HZ C1 2001 Icom Inc ...