Icom IC-7800 Service Manual Addendum page 141

Feb. 2009
• RXPLL-B UNIT
(TOP VIEW)
2 22
J2
1 21
to the LOGIC unit J815
S2LO
to the RXPLL-B unit J831
DACK
to the MAIN unit J399
TO RXPLL-B J831
1 J561
5 S2Lo
J681
C656 R671 C680 C681
L651 DACK
R670 R681
R669 R680 TO MAIN J309
C651
R668 R679
C658 L682
R667 R678
R652
R666 R677
R653 R591
IC651 C657 R676
R654
R665 R675
R664 R674 R692 Q591
C661 C689
R663 R673 R690
R687
R662 C691
R686
C592
R661 R688
C692
R656 C660 R657 C655 R689 C690
R589 R588
R587
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
R530 R519 L542 Q541
R531 R520
R544
R532 R521
L541
R545
R533 R522
C531 C532
C543
C521
C533
C546 MP541
C509 C510 C511 C512 C513
D501
C501 CP3
R535 C502
LV3
Q502
R536
L532
C503
L501
L601
R710 C602
R602
C705 L703
L602
C608
R606
C609 C612
C712
C611
C710 C709
C613
Q30 Q702
L702
2
R274
IC104
C274
R110 R111 C278
C116 R270
R123 R112 C117
C273
R124 R113
EP103 D271
R125 R114
C135
R126 R115
C136
R127 R116
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
R3
C1
L10
R61 R51
4
C 7 1 C 8 1 C 9 1 C14
J2
J2
B5990J
TO LOGIC J815
to the SCOPE unit J2
62
S2LO
from the RXPLL-B unit J561
S1LO
2
J1501 DIFB
TO MAIN J404
C1536
J1501
R1664
R1536 R1519
IC1505
R1715
R1516
C1510 R1509
R1511 R1510
R1713
R1714
3
IC1504 IC1503
C1091
Q1703 Q1702
C1656
L1501
Q1502 Q1501
C1503
C1519 C1507
C1504
J831
C1092
S2Lo
L1092
TO RXPLL-B J561
L1652 R1521
4
R1660
EP20
R1659
L20
C1307
C1659
C1441 R1411 C1431
R1409 R1415 C1305
MP1652 C1429 R1413
MP1651 W1411 R1412
W1411
R1402
EP1836
C1419
C1417 R1403
IC1403
C1418 EP1838
C1404
R1404 R1405 R1312
C1416 C1458
R1313
C293
C1415 C1439 C1412
D272
C1456
R421
C291 C427
R1073
D421
R366 R1072
C361 R365 C1437 C1413 C1410 R1054
R364
C451
L421 L451
C452
C1451 C1064
D262
C446
C1074
L452
C453
C448 L1060
R441
C445
C443
C289 C444
R443 L441 C442
R442 C441 D1351
C1249
C1355
IC1402
L1219
C1409 L1354
D252 C353
C1248
C1406
C1362
L1218
C1153 R1151
C1247
C352
L351
C287 C351
C363
R368 C365
R359
C356
C288 Q364 C357
R356
Q351
R358
R352
D242 C355
R353
Q363
R355
C364
C354
C1264 R1212
R354 L1216
C285
C311
Q1701
RL1206
L302 C309
D232
L1005
C344
R341 C341
L341 R1224 R1221
C336 C337 R1225 C1241 R1222
C335
C283 C334 L1004
R343
L331
C342 C333 C332
R342 C331 R307 R306 L1210
R301 C301
Q301
D222
R302
R303 C302
MP221
C53 C52
RL1004
IC51
L1208
1
R1211 RL1203
50M IN
TO DIGISEL J501
TO BPF J602
SCPB
6m RF IN
from the BPF unit J602
to the RXPLL-B unit J1101
TO MAIN J403
J1701
to the MAIN to the MAIN unit J403
unit J404
15
J1701 J1501
J1701
6
1 2
C1710 C1709 C1708
R1716
R1717
R1718
16
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
R1228 R1051
C1125
R1134
R1133
R1132
CP1103
MP1101
C1053
C1056
L1052
C1265
L1053
L1054
L1228
R1056
C1265
7
RL1005 RL1006
Q1205
C1027 C1026
L1011
L1010
L1007
L1009
RL1002
RL1003
L1002 C1006
L1001
HF RF IN
from the DIGISEL unit J501
1
2