Icom IC-7800 Service Manual Addendum page 139

Feb. 2009
SECTION X BOARD LAYOUTS
• RXPLL-A UNIT
(TOP VIEW)
2 22
J2
1 21
to the LOGIC unit J816
T2LO
to the MAIN unit J502
T3LO
to the MAIN unit J501
J561 TO MAIN J502
1
5 T2Lo
J681
C656 R671 C680 C681
L651 T3Lo
R670 R681
R669 R680 TO MAIN J501
C651
R668 R679
C658 L682
R667 R678
R652 R666 R677
R591
R653 C657 R676
IC651
R654 R665 R675
Q591
R664 R674 C689 R692
C661
R663 R673 R687 R690
R662 C691
R686
C592
R661 R688
C692
R656 C660 R657 C655 R689 C690
R589 R588
R587 C801
R575
R571
IC503
R510 R511 R580
R523 R512 C580
C520 C519 C518 C517 R563
R524 R513
R546 R564
R525 R514
R582
R526 R515
R527 R516
R528 R517 R581
C549
R529 R518 C581
Q541
R530 R519 L542
R531 R520
R544
R532 R521
L541
R545
R533 R522
C531 C532
C543
C521
C533
C546 MP541
C509 C510 C511 C512 C513
D501
C501
CP3
C502
R535 LV3
Q502
R536
L532
C503
L501
R710
C705 L703
C712
R605
C710 C709
Q30 Q702 R603
L702
2
R274
IC104 C274
R110 R111 C278
C116 R270
R123 R112
C117
C273
R124 R113
R125 R114 EP103 D271
R126 R115 C135
R127 R116 C136
EP104
R128 R117
EP105 L271 C272
R129 R118
C137 R264
R130 R119
EP106 C264
R131 C268
C138 R260
R132 R120
C263
R133
R109
R134 R121 C299
C125
R122
C107 C108 C109 C129 C110 C102
L261 C262
R254
R136 C103
C254
C258 R250
FI101 C253
L101
C252
L251
R244
C150
C244
L151 C248
R240
C243
C297
3
R157
R158
C157
C153 C155 C156
L241 C242
R234
C234
C238
R230
C233
C202
L221 L231 C232
R224
R202
C224
R203
C228
R210 R220
R204
C223
C204
C205
R5
R6
C2 MP201
C222
L280
R4
C53
R3
C1
L10
R61 R51
4
C 7 1 C 8 1 C 9 1
C14
J2 J2
B5967J
TO LOGIC J816
to the SCOPE unit J1
60
T1LO
to the MAIN unit J503
R1LO
2
J1501 DIFA
TO MAIN J401
L822
C1536
J1501
R1664
L831 R1536 R1519
C836 D821
C831
IC1505
R1715
R1516
R805 R806 R807 C1510 R1509
R1511 R1510
C832 R1713
R834 R835 R1714
3
C834 C835
IC1504 IC1503
R804 C802 C1091
Q801 Q1703 Q1702
C1656
R836 R837 R838
L1501
Q1502 Q1501
C1503
C1519 C1507
C1504
J831
C1092
R2Lo
L1092
L1652 R1521
4
R1660
EP20
R1659
L20
C1659 C1307
C1441 R1411 C1431
R1409 R1415
C1305
C1429 R1413
MP1652
MP1651 W1411 R1412
W1411
R1402
EP1836
C1419
C1417 R1403
IC1403 EP1838
C1418
C1404
R1404 R1405
R1312
C1416 C1458
R1313
C293
C1415 C1439 C1412
D272
D424 D423 C1456
R424 R423
R422 R421
C291 C428 C427
R1073
D422 D421
R366 R1072
C361 R365 C1437 C1413 C1410 R1054
R364
C451
L421 C452 L451
D262 C1451 C1064
C446
C1074
L452 C453
C448 L1060
R441
C445
C443
C289 C444
C442
R443 L441
C441
R442 D1351
C1355 C1249
IC1402
L1219
C1409 L1354
D252 C353
C1248
C1406
C1362
L1218
C1153 R1151
C1247
C352
L351
C351
C287
C363
C365
R368
R359
C356
C288 C357
Q364 R356
Q351
R358
R352
C355 C1214
D242 R353
Q363
R1208
R355
C364
C354
C1264 R1212
L1216
R354
C285
C311
Q1701
RL1206
L302 C309
D232
L1005
C344
R341 C341
L341 R1224 R1221
C336 C337
R1225 C1241 R1222
C335
C283 L1004
C334
R343
L331
C342 C333 C332
L1210
R342 C331 R307 R306
R301 C301
Q301
D222
R302
R303 C302
MP221
C52
RL1004
IC51
L1208
1
R1211 RL1203
50M IN
TO BPF J102 TO DIGISEL J1
SCPA
6m RF IN
from the BPF unit J102
to the RXPLL-A unit J1101
to the MAIN to the MAIN unit J400
unit J401
TO MAIN J400 15 1
J1501
J1701
J1701
J1701
6 1 2
16 2
C1710 C1709 C1708
R1716
R1717
R1718
L1701
C1703
IC1703 C1706
C1120 R1129 D1102
C1121
C1119 R1128 D1101
R1130
R1127 Q1104
Q1105
L1105
C1113
R1124 C1115
R1121
C1116
C1109
R1123
C1110
L1093 R1116
Q1102 R1117
R1113
R1111
R1307 C1310
C1308 C1313
C1309
R1304
R1107 C1122
L1102
R1302
C1306 C1102
C1304
C1303
C1302
C1256
R1232
C1060
R1051
R1228
C1125
R1134
R1133
R1132
CP1103
MP1101
C1053
C1056
C1265 L1052
L1053
L1054
L1228
C1265 R1056
C1001
7
R1001
RL1005 RL1006 J1001
MKR
TO RXPLL-A J601
Q1205
C1027 C1026
L1011 L1010
L1007
L1009
RL1002
RL1003
L1002 C1006
L1001
HF RF IN
from the DIGISEL unit J1