Icom IC-910H Service Manual page 40

Nov. 2008
PLL UNIT
R112
R113
C147
R101
R114
L1
R102
R115
R103
C1 C2
C4
R116
C131
R104
C5
C3 R117
1 CON0
6
R105
PST4 1 Q1 4 CON1
STR
PDAT 2 Q2 5
D R118
PCK 3 Q3 6 CON2
CLK
15 Q4 7
OE R106
Q5 14
Q6 13
R119
Q7 12
Q8 11
R107
PRES
C101
QS 9
IC1 R120
QS 10
C9
R108
8
R121
C132
R109
R122
R110
MP9
MP10
1 2 R123
3 4 1 2
5 6 3 4 C113 R111 C102
R124
L101 L103
L102
C104 C108
C106
CP8
CP7
C103
CP6
C105 C107 C109
CP5
CP4 C110
CP3
CP2
CP1
J1
GND
1
R8 PCK C124
2
R9 PDAT
3
R10 14DT
4
R11 43DT
5
R12 PST4
6
R13 14UL
7
R14
43UL
8
9
10
11
R19
BFST
12
13
14V
14
14V
15
16
+9V
17
18
-5V
19
GND
20
C348
C12 R312
R301 R313
CP9
R314
R302
CP10
CP11 C329
R315
R303
CP12
C13
CP13
R316
R304
CP14
C331
CP15
R317
R305
CP16
C14
R318
R306
R319
R307
C15
R320
C301
R308
R321
R309
C16
C323
R322
R310 C332
R323
MP7
C333
1 2 R311
3 4
C325
5 6 C314
C303
1
R324
L302 L303
L301
MP8
1 2
3 4
R325
C304 C308
C306
C310
R501
R502
IC501
R503
C501 C502 C503 C504
5V
Q153
R133
C148 P P C C C 1
D C O O O 4
R137 R135
A K N N N D
R138 R136
T 0 1 2 T
14UL
R139
L131 R272
C145 C144 R134
R140
C173
C146
1
0 9 9 9 9 9 9 9 9 9 9 8 8 8 8 8 8 8 8 8 8 7 7 7 7
0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6
C161
V D C V B V C C C S V V S V V B B B V B B B V V V
C153
D A O S U S O O O T S S Y D S U U U D U U U D S S
D T N S S S N N N R S S S D S N N M D N N M D S S
A T Y 0 1 2 B C 4 2 2 4 2 2
1 C L O O O I I I 75 R132
VSS L K ETCO0
2 74
SYSCLKO K ETCO1
3
73 C164
VDD ETCO2
4 72
VDD VSS
5 71
VSS ETCO3
6 70
DA0 ETCO4 R164
7 69
DA1 VSS
8 68
DA2 ETCO5
9 67
DA3 ETCO6
10 66
VSS ETCO7 C143
R165
11 65
DA4 IC131 VSS
12 64
R166
DA5 VDD
13 63
DA6 Q4MA
14 62
DA7 Q16MA
15 61
VSS VSS
16 60
C142
VSS FCK
17 RC 59
DA8
C166
18 58
DA9 REF_OSC
19 57
DA10 VDD
20 56
DA11 PDTRI
21 55 C141
VDD VSS
22 54
TE1 PD0
23 53
TE2 VDD
R161
24 S 52
TE3 PD1
25 T T T T T Y 51
VDD PD2
E E E E E S D
O O O O O R R I R162
U U U U U E O O O P E V
V V V T T T T T V V S V V S V S V V S V D F V O V
S S D H H H H H D D E S D C S C D S C S I I S U D
C140
S S D 0 1 2 3 4 D D T S D I S F D S O S N N S T D
2 2 2 2 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 5
C133
6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0
C139
C134
R126
C138
C111
R129 C135 C136
R131
R125
C121 R130
R261
C137
C262
C122 R262
IC101 R267
C261
1 5
2
3 4
Q261
C263
R263
R127
R335
R336
R339 R337
R340 R338
P P C C C 4
D C O O O 3
43UL
A K N N N D
C344 R333
T 0 1 2 T
R334
C343
5
V
L331 C362
Q154
C347
C345
1
0 9 9 9 9 9 9 9 9 9 9 8 8 8 8 8 8 8 8 8 8 7 7 7 7
0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6
V D C V B V C C C S V V S V V B B B V B B B V V V
D A O S U S O O O T S S Y D S U U U D U U U D S S
D T N S S S N N N R S S S D S N N M D N N M D S S
A T Y 0 1 2 B 4 2 2 4 2 2
C
C O O O I I I
1 L 75 C350
VSS L K ETCO0
2 74
K
SYSCLKO ETCO1 R362 R363
3 73
VDD ETCO2
4 72
VDD VSS
5 71
VSS ETCO3
6 70
DA0 ETCO4
7 69 R332
DA1 VSS
8 68
DA2 ETCO5
9 67
DA3 ETCO6
10 66 C342
VSS ETCO7
11 65
IC331
DA4 VSS
12 64
DA5 VDD
13 63
DA6 Q4MA
14 62 C341
DA7 Q16MA
15 61
VSS VSS
16 60
VSS FCK
17 RC 59
DA8
18 58 C372
DA9 REF_OSC
19 57
DA10 VDD
20 56
DA11 PDTRI
21 55
VDD VSS
22 54 C340
TE1 PD0
23 53
TE2 VDD
24 52
TE3 S PD1
25 T T T T T Y 51
VDD PD2
E E E E E S D
O O O O O R R I
U U U U U E O O O P E V
V V V T T T T T V V S V V S V S V V S V D F V O V R369
S S D H H H H H D D E S D C S C D S C S I I S U D
S S D 0 1 2 3 4 D D T S D I S F D S O S N N S T D
2 2 2 2 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 5
6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0
C334
C339
R326
L332
C336 C373
C335
C330
C337
C312
R330
IC301 R331
1 5
C123
2
3 4
C322 C327
R341
R327
C321
L511
C512
R569
C511
R568
C514
C513
OPTIONAL TCXO
X512
HX511 C574
5 12
G R570
5V 1 2
13.8V OUT Q501
4 3 3
NC GND
G
6 R572 R571 C575
R515
C505
C515
L599 R610
C610
C611
R601 R611
C618 C619
C620
R602 R612
1 1
R603 R613
1 0 9 8 7 6 5 4 3 2 1
V N N N S V E E F F V
D U U U Y D T T S S S
R604 R614
D M M M S D C C K K S
12 2 1 0 C 1 0 0 1
VSS L VDD
13
R605 R615 DA0 K CON_CLK
14
DA1 DATA
15
DA2 STRB
16
R606 R616
DA3 VSS
17 IC601
DA4 VDD
18 P2 38
VSS
19
R607 R617 DA5 TREE
20 P1 36
DA6
21 UL 35
DA7
R618 22
R608 DA8 R R VSS
O E P P P
D V M S V V D D D
A D C E S D M M M
L601 L602 C608 R609
W603 R619 9 D E T S D 0 1 2 Q I
2 2 2 2 2 2 2 3 3 3 3
3 4 5 6 7 8 9 0 1 2 3
C609 R620
C602
C604
L604
C601 C603 C605
C621
C617
C616
39
CP100
W181
Q181
C184 C182 C183
R172 R192
D181
R163
R181
C172
C192
L194
C181
R171 L191 R191 D193 C191
C163 IC161B
C162
5
D194
7 D191
Q191 R195
6
D192
R170
C193
C165
R168
L193
4
IC161A
2
R169
1
3
8
C170 Q161 MP1
C171 D161
C167 C169
2 1 2 3 4
C175
R167
C168
C174
C283
L271
IC271
C273 8 1 C277
R268 7 VCC2 VCC1
R273
IN 2
6 OUT
IN 3
5 SW2
4
SW1 GND
C276
R275
R274
Q271 C275
C274
MP2
1 2 3 4
Q381
R361 C383 D381
C376
C382
R381 R391
C364 C365 C366
C381
C363
R365 R366 L391
D394
Q391
D392
4 C391 D391
2 IC12A D393
L393 L395
1
3
8
R364 C403
C393
L394
C394
C369
C371
L392
C368
C392
C402 C404
R367
C370
C375
CP300
IC12B
R370
5 L471
R368
7 C488
6
C374
D361 Q361
C478
2 C476
C377
C475 IC471
R474 8
7 VCC2
6 OUT
5 SW2
R475
SW1
L474 R479
C474
Q471 R160
C471 C472
C535
R538
L700
C718 C719
R623
R622
C613
R621
Q602
C614
44
R631
43 PCK
42
R630 PDAT
41 BFST
40
R629
39
37 C615
34
L701 L702 W703 C708
R628
PRES C704
C702
C701 C703
C705
R193
L212 L213 L214
C196
C214
C253
L195 C216
C194
R194
Q192
C229
C213 C215
C198 C254 C217
R211
R213
R212
5V
R281
R271
C279
Q272 C281
R277
L273
C278
R276
R278 R282
C284
C280
C398 C408
C410
R393
L399
C399
C407
R394
C401
L421 L425
L422 L423 L424
C413
C405
Q392
C422
R392
R397
C426 C430
C428
C421 C423
L397
C487
R481
C484
L473
1 C481 R477 C482 Q472 C485
VCC1
IN 2
IN 3
4
GND
R482
R483
R476
R478
C483
C480
R552 C558
C556
L551
R553
R559
C554
Q551
R551 C551
R554 R555
C552 C553 C555
R710
R723
C710
C711
R722
R701 R711
C720
C713 R721
R702 R712
Q702
1 1
R703 R713
1 0 9 8 7 6 5 4 3 2 1
V N N N S V E E F F V
D U U U Y D T T S S S
R704 R714
D M M M S D C C K K S
C714
12 2 1 0 _ 1 0 0 1 44
VSS C VDD R731
13 43 PCK
R705 R715 DA0 L CON_CLK
14 42
K R730 PDAT
DA1 DATA
15 41 BFST
DA2 STRB
16 40
R706 R716
DA3 VSS
17 IC701 39 R729
DA4 VDD
18 P2 38
VSS
19 37 C715
R707 R717 DA5 TREE
20 P1 36
DA6
21 UL 35
DA7
R718 22 34
R708 DA8 R R VSS
O E P P P
D V M S V V D D D
A D C E S D M M M
R709
R719 9 D E T S D 0 1 2 Q I
2 2 2 2 2 2 2 3 3 3 3
3 4 5 6 7 8 9 0 1 2 3
C709 R720 R728
PRES
L704
C721 C717
C716
*Refer to "PARTS LIST" for the parts name and value.
J251
144M 1Lo
(TO PA)
C251 R253 P251
R252
R254
430M 1Lo
(TO PA)
J421
P421
R426
R427
R425
R543
C545
R542
C542
C543
R541 C541
J541
C544
Q541 L541 R545
R544 R547 R548
430M 2L o
(TO PA)
R557 J551 P551
L553
1
2
C557
L552
R556 R558 C559 C560
R626 J601 P601
BFOM
1 1
2 2
R625 R627
R726 J701 P701
BFOS
1 1
2 2
R725 R727