Icom IC-F4210D Service Manual page 33

• MAIN-A/-B UNIT B-7878A
(BOTTOM VIEW)
R925
R935
C946
L901 C953
X900
DVDD 3.3V
C948
C940 R938 C955
C956
R61
R958
R939
EP901
R946
C962 R940
R944
C900
C922
R964
C963 C921
C935
EP907 R943
C936
EP910
R915
C937
R49
C484
C381 C382 C383
R633
D60
R632
R646
6 R 3 6 6 R 4 6 6 R 5 6
R652
R693
RXDO
Q81
R683
RXC
D51 C502
C504
C501
C503
C505
R430
C512
R640
C510
C468
R669 R668 R667
ATX
-TMUT
IPTT
Q900
C459
R923
R190
R163
R933 C275
C273
C945
R165 Q28
R166
C271
R167
R162 R161
R169
C902 C274 C276
C272
C277
R164
C903 C426
R155
D38 D36
R434
D39
R433 C261
R60
C266
Q27
R158
C267
R139
C242
C124
R73
IC6
C91
C109
EP8
EP7
C112
R71
C328
R72
R614
R517 R70
C117
C94
R518
EP57
R913 R52
MP4
R44 C82
C141 L46
C121
S5V
Q901
Q15
C76
D6
R35
C72 R43
C130
C67
D5
Q71
C384
R37
C65
TEMP
R439
C385 C64
R89
C341
Q73
C517
R359
Q86 R357
R360
Q88
R358
Q58
C343
TXC
XPTT S53
C344
S53
[Lower]
J52
C391 R408
C448
R128 C226
R146
C236
C235
C231
R147
R361
R126 R127 C227
C238
D33 Q52
C233
R174 C284 R175
C335
MP15
C243 C240 R138
R140
R141 C185
D21 R102
C241
+5V C170 R101
R142
C282 R172
R103
D31
C221 R116 C197
S5C
R119 C200
C192 C194
D28
R112 C189 R110
C203
C201 R159
T1-
T2
+3.3V
C182
C48
R5V
MP16
PAV
R132 C224
C206
C63 R32 R30 C98 C38
Q2
C39
C59
L48
C45
C61 C62
C75 L9 C53 L8
R31 R29
C60 C54 C52
C95
-APCV
T5V
PDET-
C342
S51
TMUT
S52
S52
[Upper]
The combination of top side and bottom side of this
J51
C334
R406
IC55
C393
C404
R418
C401
R625 R626
Q64
R416 Q63
R442
R414
C420
C413
VCC
L14
R105
D26
C180
C184
C179
C183
C177
D24
C176
S54
R104
L13
R156
C421 C419
C49
D22
R6
C172
C171
C9
D3
C8 C5
L6 L3
C12
C13
R5
D2
C6
C7
R2
MP5
C3
L1
R1
C388
[PTT]
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