Icom IC-7851 Servise Manual page 160

RF-A UNIT (RF-A-1)
TO DIGISEL-A J2
C1701
[RFINA] J1701
0.01
TO DIGISEL-A J1
[RFOUTA] J1702
RL1701
FTR-B4CA009Z
HF_RX
50M_RX
+15V
+11V
HF3V
HF3V
VHF3V
VHF3V
HFDW
HFDW
VHFDW
VHFDW
HPRE
HPRE
HPRE2
HPRE2
HPRE1
HPRE1
VPRE
VPRE
VPRE1
VPRE1
VPRE2
VPRE2
MIX1V
MIX1V
+15V
+11V
VHF3V
VHF3V
HF3V
HF3V
IFW
IFM
IFN
IFSN
IFSN
-12V
AGC
AGCDET
D1801
LRB706F
EP1802 MMZ1608Y102BT
EP1803 MMZ1608Y102BT
EP1806 MPZ1608S601A
TO DSP J41
J1801
GND GND
2 1
4 3 EP1805
+15v +15V
6 5
-12V
MPZ2012S601A
8 7
+11V
10 9
+11V +11V
12 11
EP1801
MPZ1608S601A
+11V +11V
14 13
EP1804
+3R3V MPZ2012S601A
16 15
RAAGC_DET
18 17
RAAGCV
20 19
GND
22 21
NC MIXAV R1801 1K MIX1V
24 23
R1804 22 DRESH NC
26 25
R1806 22 MDAT MCK R1805 22 MCK
28 27
22
GND RASTB R1807 STBRF
30 29
MDAT
RESH
MPZ1608S601A
EP1807
IC1901
IC1903
QH' GND
9 8 1
SCLR QH I1
MCK 10 7 2
SCK QG I2
STBRF 11 6 3
RCK QF I3
RESH 12 5 4
G QE I4
MDAT 13 4 5
SI QD I5
14 3 6
QA QC I6
15 2 7
VCC QB I7
16 1 8
I8
SN74AHC595PW
9
VCC
C1901
62783G
0.1
IC1902
R1901
QH' GND
9 8 R1902
SCLR QH
10 7 HR1903
SCK QG
11 6 R1904
RCK QF
12 5 R1905
G QE
13 4 R1906
SI QD
14 3
R1907
QA QC
15 2
R1908
VCC QB
16 1
SN74AHC595PW
R1909
C1902 0.1
LR-452
C1406
L1403 33P
C1407
33P
220P 47P 47P 82P
RL1401
FTR-B4CA009Z
L1451
27U
L1453 C1456
LR-454 15P
C1457
22P
180P 47P 47P 18P
47P
RL1451
FTR-B4CA009Z
L1501
10U
L1503 C1506
LR-456 10P
33P
C1507
IFW
IFM
IFN
47P
33P 18P
120P
RL1501
FTR-B4CA009Z
L1551
6.8U
L1553
LR-453
C1556
22P
22P 12P 22P
100P
RL1551
FTR-B4CA009Z
L1601
2.2U
C1603
L1603 5P
0.88U C1608
5P
+15V
RL1601
FTR-B4CA009Z
L1651
2.2U
L1653
0.22U
RL1651
FTR-B4CA009Z
22
18 R1910
O1
17 R1911 22 HFDW
O2
16 R1912 22 VHFDW
O3
15 R1913 22 VPRE2
O4
14 R1914 22 VPRE
O5
13 R1915 HPRE2
22
O6
12
R1916 22 HPRE
O7
11
R1917 22
O8
10
GND
1K HPRE1
1K VPRE1
1K
1K IFSN MCK
1K IFN STBRF
1K IFM RESH
1K IFW
1K VHF3V
1K HF3V
9-17
DIGI
B7
L1401
47U
C1409 L1405
33P LR-452
C1410
33P
B7
47P 220P 68P
RL1402
FTR-B4CA009Z
B8
C1460 L1455
22P
LR-454
C1461
15P
B8
47P 18P 180P 47P
8P
RL1452
FTR-B4CA009Z
B9
C1509 L1505
33P LR-456
C1510
10P
B9
120P 18P
33P
RL1502
FTR-B4CA009Z
B10
L1555
C1559
LR-453
22P
B10
100P 15P
7P 22P
RL1552
FTR-B4CA009Z
B11
B11
RL1602
FTR-B4CA009Z
B11W
68P
C1654
B11W
RL1652
FTR-B4CA009Z
DIGI
VHF
IC1904
IC1906
QH' GND
9 8 1 18 R1919 22 ATT12
SCLR QH I1 O1
10 7 2 17 R1920 22 ATT6
SCK QG I2 O2
11 6 3 16 R1921 22 ATT3
RCK QF I3 O3
12 5 4 15
R1922 22 B11W
G QE I4 O4
13 4 5 14
R1923 22 B11
SI QD I5 O5
14 3 6 13 R1924 22 B10
QA QC I6 O6
15 2 7 12 R1925 22 B9
VCC QB I7 O7
16 1 8 11 R1926 22 B8
I8 O8
SN74AHC595PW
9 10
VCC GND
C1914
62783G
C1917
0.1
Selected 8.6 V
0.1
IC1905
IC1907
QH' GND
9 8 1 18 R1927 22 B7
SCLR QH I1 O1
10 7 2 17 R1928 22 B6
SCK QG I2 O2
11 6 3 16 R1929 22 B5
RCK QF I3 O3
12 5 4 15 R1930 22 B4
G QE I4 O4
13 4 5 14
R1931 22 B3
SI QD I5 O5
14 3 6 13
R1932 22 B2
QA QC
I6 O6
15 2 7 12 R1933 22 B1
VCC QB I7 O7
16 1 8 11 R1934 22 B0
I8 O8
SN74AHC595PW
9 10
VCC GND
62783G
C1915
0.1
C1004 0.01 C1003 0.01
L1001
68N
RL1004 RL1003
FTR-B4CA009Z
FTR-B4CA009Z
R1008
100
L1051
B0
47U
L1052 L1053 L1054
8.2U 8.2U 8.2U
0.01 0.01
RL1051
FTR-B4CA009Z
B1 L1101
47U
L1102 L1103 L1104
3.3U 3.3U 3.3U
0.0027 0.0012
0.0022
RL1101
FTR-B4CA009Z
B2 L1151
47U
C1156
L1153 180P
LR-444
C1157
27P
330P 120P
0.001 330P 47P
RL1151
FTR-B4CA009Z
B3 L1201
47U
C1206
L1203
56P
LR-446
C1207
330P
330P
330P 47P
RL1201
FTR-B4CA009Z
B4 L1251
47U
L1253 C1256
LR-458 15P
82P
C1257
560P 180P 33P 120P 56P
RL1251
FTR-B4CA009Z
B5 L1301
47U
C1306
L1303
LR-448 27P
120P
C1307
330P 150P 27P 150P 10P
RL1301
FTR-B4CA009Z
B6 L1351
47U
C1356
L1353
LR-450 33P
39P
C1357
220P 100P 22P 82P 22P
RL1351
FTR-B4CA009Z
*: Refer to the PARTS LIST for the value and name of component.
C1002 0.01 C1001 0.01
J1001
[RXA]
TO CONNECT J201
RL1002 RL1001
FTR-B4CA009Z FTR-B4CA009Z
R1002
R1005
39 18
L1055 R1051
8.2U 0
B0
0.01
RL1052
FTR-B4CA009Z
R1102
L1105
3.3U 0
B1
0.0022
RL1102
FTR-B4CA009Z
C1160 L1155
180P LR-444
C1161
27P
B2
330P 0.001 0.001
RL1152
FTR-B4CA009Z
L1205
C1210
LR-446
330P
C1211
56P
B3
330P 560P 330P
RL1202
FTR-B4CA009Z
C1260 L1255
82P LR-458
C1261
15P
B4
180P 560P 390P
RL1252
FTR-B4CA009Z
C1310 L1305
120P LR-448
C1311
27P
B5
150P 330P 150P
RL1302
FTR-B4CA009Z
39P LR-450
C1360 L1355
C1361
33P
B6
100P 220P 220P
RL1352
FTR-B4CA009Z