![background image](http://html.mh-extra.com/html/icom/ic-4088e/ic-4088e_service-manual_612130021.webp)
SECTION 9
BOARD LAYOUTS
9-1 MAIN UNIT
9 - 1
C377
J303
TEST
CL
S305
J302
B5918D
SP
SP +
J301
R406
S304
J300
C354
C364
J300
C347
R377
R381
R363
R357
R373
C344
C335
C339
IC304
R378
C346
R384
R392
C361
R374
R366
R358
C389
C334
R356
R348
R346
C336
R359
R344
C329
C332
R361
R365
R388
C351
Q313
C348
C328
Q306
Q307
C324
R394
C317
R330
C340
C304
R308
R307
C390
C315
C384
R409
R417
R389
R419
C357
R399
C375
C333
R386
C376
C360
R402
C379
C380
R400
C369
C372
C366
R393
R387
Q317
R426
Q318
Q309
Q310
R420
D309
D310
R425
D313
D317
R328
R300
R301
R418
R331
C312
C319
C323
C320
R332
R375
C314
R362
Q304
R347
Q303
D301
C343
R376
C345
Q314
Q315
D305
C363
R395
C359
C330
R345
C327
R329
R382
C367
C356
R385
C358
R396
R383
IC305
IC300
IC303
IC302
C331
R360
R423
C337
W300
C373
R397
D308
Q312
R368
J300
to the RF unit J2
1
10
20
11
UNLK
CK
D
ATA
PLSTB
D
ASTB
DA
C
K
GND
SHIFT
T+3
T+3
+3V
MTX-00_PSC
VCC
GND
GND
MOD
AF
R+3
SQLIN
SENS
Summary of Contents for IC-4088E
Page 1: ...SERVICE MANUAL LPD FM TRANSCEIVER ...
Page 2: ......
Page 28: ......
Page 29: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13910IZ C1 2002 Icom Inc ...