Icom IC-F3001 Service Manual page 43

• MAIN UNIT
(BOTTOM VIEW)
R472
R474
R473
R471
IC53
R456
-RES
C451
D52
R461 R432
R460
R434
R462
C356
-REF
C429
IC52
Q73
MOD-
+5V
R390
-VREF
DISC-
SDEC-
MMUT-
-EPTT
-ATX
C385
R430
D53
-CL
R146
C236
C235
R147
D33
D31
PWON
R155
D34 C261
C423
Q27
C264
R158
R139 C243 C240 R138
C266 R152
NWC
R431
C242 R140
R141
Q19
C241
C120
R142
R69
-SQIN
R68
R87
R71
LVA
R61
+5V
R72
C80
L38
C118
R52
C145
-T5V
R51
L43
C130
R44
L32
C169
C121
C141 L46
Q15
Q9
C72
C122 R132 C224
D6
C71 C206
R38 D5
C63 R32 R31
C65 R37 R35
R36 R33
TEMP
IC60
C60
C64
C58 L9
C340 R359
C59
R366 R360
C36
R363 C336
IC60 -VCON
C343
Q58
C342
S53
R429 R428
S53
MC51
[LOWER KEY] [UPPER KEY]
J51
J52
C391 R408
C448
R128 C226
C231 C227
R126 R127 R125
C393
C225 C228
C233
R418
Q64
Q63
MP5 R416
R442
C220
RSSI
R102 D55
D21
R101
R103
R123 C218 C197
C178
C191 R108
D28
C181
R106
C51
-T1
EP6
C11
L8 R2
S5V
C41
C55
EP2
C57
Q2
C52
L6
L18
C56
C46
C17
R6
D3
-APCV
-TMUT
PDET
S51
S52
C388
S52
[PTT SWITCH]
The combination of top side and bottom side of this
C334
R406
[VOLUME CONTROL]
IC55
C404 R421
PWON
C401
[ROTARY SELECTOR]
D23
S54
C172
C8
L3
C3
L1
C2
8 - 2