Icom IC-7851 Servise Manual page 147

LOGIC UNIT (LOGIC-1)
Q1001
Q1011
R1011 DSC7004S0 DSC7004S0
R1001
3.3
4.7
4.7
R1012 R1002
0.0
D1011
1K
1K
Q1002
L2SC4081
R1003
R1013
10K
RXS
KDS122
10K R1004
Q1012
Q1003
L2SC4081
2SD1664L
R1007
R1005
TXS
10K
0.0
3.3
FANV
MDAT
MCK
TCALS
DRESH
DRESD
TCALV
ISET
FSTB
ISTA
IKEY#
THRI
Q1021
J1021
2SB1201
R1021
FAN1
1
FANG 8
1 ERJ12
2
TO MF1/MF2 IC1021
FAN2 V+
3 NJM2904CRB1
FANG GND
4
4
R1030
R1025
1.2M
R1029
6 1
R1026
7
R1023 Q1022 10K IC1021
5
L2SC4081 NJM2904CRB1
10K
IC1021 27K
D1021
NJM2904CRB1
DZ2J047M
FANI
FRWT
FRWT
FRWT
DSTBA
DSTBA
DSONA RSTBA
DSONA RSTBA
DSAPA RSTBB
DSAPA
RSTBB
DSTBB
DSTBB
DSONB ADSPCR
DSONB ADSPCR
DSAPB ADSPCX
DSAPB ADSPCX
AVSQ
AVSQ
EXRL1S ARTD
EXRL1S ARTD
EXRL2S ATND
EXRL2S
ATND
RAIFMS
RAIFMS
REVPA DARSV1
REVPA OSS1
DARSV1
REVPB DAVOX
OSS2
REVPB DAVOX
OCS
COSTB CTFL
COSTB CTFL OCK
ASTB1
ASTB1 ODAT
ASTB2 BDSPCR
ASTB2
BDSPCR
MSTB1 BDSPCX
MSTB1
BDSPCX SHSK0
MSTB2 BVSQ
MSTB2
BVSQ SHSK1
BRTD
BRTD SDSPCR
SQLAS BTND
SQLAS BTND SDSPR
SQLBS RBIFMS
SQLBS RBIFMS SDSPX
DBRSV1
DBRSV1 SDSPCK
TRAS
TRAS SDSPCX
SENI DSPR
SENI
DSPR
TRVI DSPCK
TRVI
DSPCK
RTKI
RTKI UNLK
SKYS AHSK0
SKYS AHSK0
SPK AHSK1
SPK AHSK1 LDATA
ANSQ
ANSQ LCLKA
DSCLA ADSPX
DSCLA LCS1A
ADSPX
DSDAA BHSK0
DSDAA
BHSK0 LIUP1A
DSCLB BHSK1
DSCLB
BHSK1
DSDAB BNSQ
DSDAB BNSQ LDATB
BDSPX
BDSPX LCLKB
EPAD1
EPAD1 DSKY
DSKY LCS1B
EPAD2
EPAD2
LIUP1B
CIV DBX_IF
CIV LOGIC-3 DBX_IF
LDATFX
CIVE
CIVE
LCLKFX
3M_BCLK
3M_BCLK LCS2A
USB_DP1 48K_FRM
USB_DP1 48K_FRM LIUP2A
USB_DM1
USB_DM1 LCS2B
USB_/PWR1 CLK24M
USB_/PWR1 CLK24M LIUP2B
USB_DP2 DR_AF
USB_DP2 LSTB3
DR_AF
USB_DM2 DBX_REC
USB_DM2
DBX_REC LSTB
USB_/PWR2 DAR_MOD
USB_/PWR2
DAR_MOD
VBUS DAX_MREC
VBUS DAX_MREC
USB3R3V
USB3R3V
ALCL
FIDL
DIDL
VDL
THML
FANI
LRB706F LRB706F LRB706F LRB706F LRB706F
R1034
560K
R1061
R1033
13
MEREF
D1031
0 100K 14
12
METM L1SS400
IC1041
NJM2058V
R1038
560K
R1037
9
D1032
100K 8
10
METS
IC1041 L1SS400
NJM2058V
R8V
0.0
R1043
8.2
T8V
D1001 D1043
R1042
7
FORL
REFL
150 L1SS400
IC1041
NJM2058V
KDS122
8.1
0.0
22 R1048 15 D1044
1
22 L1SS400
IC1041
NJM2058V
LRB706F LRB706F
MDAT
MCK
4
IC1041
TCALS V+
DRESH NJM2058V GND
DRESD 11
30 29
28 27
26
25
T8V EP1101
24 23
39K
2 MPZ1608S601A
22 21
20 19
R1031
3
18 17
ODAT R1101
16 15
10K DGND
100
14 13
OSS2 R1102
12
11
SHSK0 R1103 100
10 9
FRWT R1104 100
8 7
SDSPCR R1105 100
6 5
SDSPR R1106 100
4 3
DRESD R1107 100
2 1
100
J1101
TO SCOPE J1
FRWT
TO MAIN J1
OSS1
OSS2 J1291
OCS GND
9
-12V MPZ1608S601A
OCK EP1291
8
+15V MPZ2012S331A
ODAT EP1296
7
MPZ2012S331A
+15V EP1297
6
MPZ1608S601A
SHSK0 +11V EP1292
5
SHSK1 REG8V EP1293 MPZ1608S601A
4
SDSPCR +3R3V EP1294 MPZ1608S601A
3
SDSPR GND
2
GND
SDSPX
1
SDSPCK
SDSPCX
UNLK
LDATA
LCLKA J1201
LCS1A DSCLA MMZ1005B601C EP1201 EP1213
29 30
LIUP1A DSDAA MMZ1005B601C EP1202 EP1214
27 28
DSTBA MMZ1005Y102CT EP1203 EP1215
25 26
LDATB DSONA MMZ1005Y102CT EP1204 EP1216
23 24
LCLKB DSAPA MMZ1005Y102CT EP1205 EP1217
21 22
LCS1B ASTB1 MMZ1005Y102CT EP1206 EP1218
19 20
LIUP1B ASTB2 MMZ1005Y102CT EP1207 EP1219
17 18
DRESH MMZ1005Y102CT EP1208 EP1220
15 16
LDATFX MCK MMZ1005Y102CT EP1209 EP1221
13 14
LCLKFX REVPA 220 R1201 R1203
11 12
LCS2A EXRL1S 220 R1202 R1204
9 10
LIUP2A EPAD1 MMZ1005Y102CT EP1210 EP1222
7 8
LCS2B METMV MMZ1005Y102CT EP1211 EP1223
5 6
LIUP2B CIVE MMZ1005Y102CT EP1212 R1205
3 4
LSTB3 EP1224
1 2
LSTB
TO MAIN J91
ALCL
FIDL
DIDL
VDL J1251
THML USB_DP1 0 R1266
29 30
FANI USB_DM1 0 R1267
27 28
USB_/PWR1 220 R1251
25 26
USB3R3V MPZ1608S601A EP1253
23 24
21 22
SPK 220 R1252
19 20
RTKI 10 R1253
18
17
TRVI 220 R1254
15 16
TRAS 220 R1255
13 14
LRB706F SQLBS 220 R1256
11 12
ALCL 220 R1257
9 10
DIDL 220 R1265
7 8
PREFL
EP1255
5 6
R8V EP1256
R1036 4
3
METMV
MMZ1005Y102CT
1 2
MPZ1608S601A
4.7K
TO MAIN J61
R1040
METSV
4.7K
R1052
Q1051
TO PA200W J5
LDTC114EE
10K
0 R1044
6
100K J1601
EP1601
R1045 1
5 10 PFORL
2 EP1602
3
R1049 4
270K
R1050
2
100K
R1051
3 PREFL
10 J1061
TO REG
2 1
4 3
6 5
8 7
10 9
TCALV
ISET
FSTB
ISTA
IKEY#
THRI
EP1102 +3R3V
MPZ2012S601A R1151
EP1103 +8V 220
MPZ1608S601A R1152
EP1104 H15V R1153 220
MPZ1608S601A R1154 220
R1108 OCS R1155 220
R1109 100 OCK R1156 220
R1110 100 OSS1 R1157 220
100 R1158 220
R1111 SHSK1 220
R1112 100 SDSPX R8V EP1151
R1113 100 SDSPCX MPZ1608S601A
R1114 100 SDSPCK EP1152
AGND 100
MPZ1608S601A
TO LOCAL J1101
H15V
+15V
+11V
+8V
+3R3V
-12V
+3R3VL
TO LOCAL J1001
J1191 MPZ2012S601A
MPZ1608S601A
1 GND
MPZ1608S601A
1
2 +11V EP1191
2
3 REG+8V EP1192
3
4 +3R3V EP1193
4
5
GND
5
MMZ1005B601C DSCLB DRESD EP1301
MMZ1005B601C DSDAB DSPCK R1302
R1303 100 100
MMZ1005Y102CT DSTBB ADSPX EP1303
MMZ1005Y102CT DSONB ADSPCR R1304 100 EP1304
MMZ1005Y102CT DSAPB ADSPCX R1305 100 EP1305
MMZ1005Y102CT MSTB1 AHSK0 EP1306
MMZ1005Y102CT MSTB2 AHSK1 EP1307
MMZ1005Y102CT COSTB AVSQ EP1308
MMZ1005Y102CT MDAT ANSQ EP1309
220 REVPB ARTD EP1310
220 EXRL2S ATND EP1311
MMZ1005Y102CT EPAD2 DAVOX EP1312
MMZ1005Y102CT METSV DARSV1 EP1313
220 SKYS CTFL EP1314
MMZ1005Y102CT CIV DSKY EP1315
MMZ1005Y102CT
TO DSP J101
R1268 USB_DP2
R1269 0 USB_DM2
R1258 0 USB_/PWR2 EP1351
R1259 220 VBUS MPZ1608S601A
1K RSTBA EP1352
R1260 SENI RSTBB MMZ1005Y102CT EP1353
R1261 10 SQLAS MMZ1005Y102CT
R1354
R1262 220 THML DBX_IF
100
R1263 220 VDL DBX_REC R1365
100
R1264 220 FIDL DAR_MOD R1366
100
EP1259 220 PFORL DAX_MREC R1367
100
MMZ1005Y102CT
R1351
EP1262 T8V RAIFMS
220
MPZ1608S601A
CLK-GND(LOGIC-4)
+15V
+8V
H15V
H5V
+15V
H3R3V
VDD3R3V
VDD1R5VB
+15V
PFORL
+11V
PREFL
+8V
+3R3V
+3R3VL
FSTB
+8V
-12V
LOGIC-2 ISET
H15V MIC8V
BT3R0V
PWRS
TCALV
LOGIC-6
Q1061 ISTA
LDTC114EE
IKEY#
THRI
TCALS
J1151
R1159
1 2
R1160 220
3 4
R1161 220
5 6
R1162 220
7 8
R1163 220
9 10
220
11 12
R1164
13 14
220
15 16
R1165
17 18
R1166 220
19 20
R1167 220
21 22
220
23 24 EP1153
T8V LOGIC-2
25 26
LOGIC-3
MPZ1608S601A
27 28
29 30
J1391
1
EP1391
2 MPZ2012S601A
+3R3V
3
+3R3V
TO DSP J131
4 EP1392
+11V
5
+11V
MPZ2012S601A
6 R1480
FP_DE
FP_VS
FP_HS
R1479
DO_B5
R1478
DO_B4
R1477
DO_B3
J1301
R1476
R1316 100
DSPR DO_B2
2 1 R1475
R1317 100
FRWT DO_B1
4 3 R1474
R1318 100 BDSPX DO_B0
6 5
R1319 100 BDSPCR
8 7
R1473
R1320 100 BDSPCX
DO_G5
10 9
R1472
EP1321 BHSK0 DO_G4
12 11
R1471
EP1322 BHSK1 DO_G3
13
14
EP1323 BVSQ
16 15 R1470
EP1324 BNSQ DO_G2
18 17 R1469
EP1325 BRTD DO_G1
20 19 R1468
EP1326 BTND
DO_G0
22 21
EP1327 DBRSV2
24 23
R1467
EP1328 CP1301 DO_R5
26 25
R1466
MMZ1005Y102CT DBRSV1 DO_R4
28 27 R1465
DO_R3
30 29
R1464
DO_R2
R1463
DO_R1
R1462
DO_R0
R1461
DO_CLK
R1510
SDWP
R1509
SDCD
R1506
SDDAT1
R1505
SDDAT0
J1351
EP1358 R1504
SDCLK
2 1
MPZ1608S601A
4 3 R1503
SDCMD
6 5 R1502
SDDAT3
8 7
R1501
SDDAT2
10 9
EP1359
MDAT SD3R3V
12 11
EP1360 MMZ1005B601C MCK
13
14 VDD3R3V RZF013P01
R1352 MMZ1005B601C DRESH
16 15
220
18 17
R1368 DR_AF
20 19
R1362 10 3M_BCLK
22 21
R1363 10 48K_FRM
24 23
LOGIC-3
100
R1364 CLK24M R1512
26 25
22 SDPWS
27
28
R1353 RBIFMS
30 29
220
TO DSP J81
*: Refer to the PARTS LIST for the value and name of component.
9-4
TO CTRL J1
J1401
EP1401 +15V
24
+15V
MPZ2012S601A
23
+15V
22
GND
21
GND
20
GND
MPZ1608S601A 19
EP1402 -12V
18
+3R3V
EP1403
17
T8V
T8V EP1404
16
R1401 FORV
15
10
R1402 REFV
14
10
GND
13
DRESH R1403 DRESH
12
R1404 10 FSTB
11
10 SETI
R1405
10
10 TDAT
MDAT R1406
9
10
MCK R1407 TCK
8
10
GND
7
TCALV
6
GND
5
R1409 ISTA
4
10 IKEY
R1410
3
10 THRI
R1411
2
10
EP1405 VDD1R5VB
1
MPZ1608S601A
BT3R0V EP1439
MPZ1608S601A
1:H15V
H15V EP1438 MPZ1608S601A 2:H15V
TO DISPLAY J7
3:H15V
H5V EP1436 MPZ1608S601A 4:NC
J1431 5:+8V
MPZ1608S601A
H3R3V EP1437 6:NC
1 2
7:H5V
3 4
MIC8V EP1435 MPZ1608S601A 8:NC
5 6
9:H3R3V
LOGIC-6
7 8
R1432 10:BT3R0V
PTRAS
9 10
10 11:PSENI
R1431
PSENI 11 12
EP1431 10 12:PTRAS
LG_PWR 13 14
LG_RES EP1432 MMZ1005Y102CT 13:GND
15 16
R1433
MMZ1005Y102CT 14:LG_PWR
LTXD
17 18
R1434 1K 15:LG_RES
LRXD
19 20
1K 16:GND
LOGIC-6
17:LTXD
D1431
18:LRXD
LRB706F
19:GND
20:GND
D1432
LRB706F
TO SW-A J101
L1481
J1461
LVDD1
1
15U LVDD2
2
LVDD3
3
LVDD4
4
GND
5
GND
6
7
8
GND
9
R1481
UD/RL
10
EP1480 MMZ1608D121B 10K DE
11
100 VS
12
HS
13
GND
14
EP1479 MMZ1608D121B B5
15
100 EP1478 MMZ1608D121B B4
16
100 EP1477 MMZ1608D121B B3
17
100 GND
18
EP1476 MMZ1608D121B B2
19
100 EP1475 MMZ1608D121B B1
20
100 EP1474 MMZ1608D121B B0
21
100 GND
22
EP1473 MMZ1608D121B G5
23
100 EP1472 MMZ1608D121B G4
24
100 EP1471 MMZ1608D121B G3
25
100 GND
26
EP1470 MMZ1608D121B G2
27
100 EP1469 MMZ1608D121B G1
28
100 EP1468 MMZ1608D121B G0
29
100 GND
30
EP1467 MMZ1608D121B R5
31
100 EP1466 MMZ1608D121B R4
32
100 EP1465 MMZ1608D121B R3
33
100 GND
34
EP1464 MMZ1608D121B R2
35
100 EP1463 MMZ1608D121B R1
36
100 EP1462 MMZ1608D121B R0
37
100 GND
38
EP1461 MMZ1608D121B LCLK
39
47 GND
40
WE
41
220 CD
42
220 DAT1
43
27 DAT0/DO
44
27 GND
MPZ1608S601A 45
EP1511 CLK
46
27 VDD
47
CMD/DI
48
27 DAT3/CS
49
27 DAT2
50
27
Q1501
Measurement condition:
MP1461
Frequency: 14.1 MHz
1K Mode: USB
2427
*No signal is received.
*No modulation on transmitting.
Range Input impedance
200mV 100 MΩ
2V 11 MΩ
20V,200V,1000V 10 MΩ
RX
Unit：V