Icom IC-7700 Service Manual page 108

R8V
+3R3V
+15V
+8V
RL
IC1901
18 1
O1 I1
R1902 17 2
O2 I2
R1903 10 16 3
O3 I3
10 15 4
R1904
TRVTXG O4 I4
TRVT X R1905 10 14 5
TRVT X O5 I5
+15 V R1906 10 13 6
+15V O6 I6
-12V R1907 10 12 7
-12V O7 I7
R1908 10 11 8
+8V
+8V O8 I8
10
+5V 10 9
+5V GND VCC
T8V
T8V
TD62783AFG
C1901
TXB1 0.1
TXB1
TXB2
TXB2
TXB3
TXB3
TXB4
TXB4
TXB5
TXB5
TXB6
TXB6
TXB7 IC1902
TXB7
TXB8 R1909 18 1
TXB8 O1 I1
10 17 2
TXB9 R1910
TXB9 O2 I2
TXB10 R1911 10 16 3
TXB1 0 O3 I3
R1912 10 15 4
O4 I4
MODS R1913 10 14 5
MODS O5 I5
R1914 10 13 6
TRVST
TRVS T O6 I6
10
R1915 12 7
DRIV O7 I7
R1916 10 11 8
ALC O8 I8
10 10 9
T XIF
GND VCC
TD62783AFG
To RF-3 C1902
0.1
+3R3V
+3R3 V
-12V
-12V
+15 V
+15V
DAGC
MAGC
RXIF I C1703 16
RXIF
18 1 15
O1 I1
17 2 14
O2 I2
HPOFF R1702 100 16 3 13
HPOFF
O3 I3
VP1OF R1703 100 15 4 12
VP1O F O4 I4
14 5 11
VPR2 R1704 100
VPR2 O5 I5
VPR1 R1705 100 13 6 10
VPR1 O6 I6
HPR2 R1706 100 12 7 9
HPR2 O7 I7
HPR1 R1707 100 11 8
HPR1
O8 I8
10 9
GND VCC
TD62783AFG
16
HF3V R1709 H SEL
HF3 V
VH3V R1710 2 .2K VSEL 15
VH3V
1IFW R1711 2 .2K IFW 14
1IFW
R1712 6 .8K IFN 13
1IFN
1IFN
12
1IFNN R1715 6 .8K I FNN
1IFNN
6.8K 11
10
9
To RF-2
TRVTXG W2
TRVT X W1
R8V
+3R3V
TRVS
T8V
+15 V
+8V
-12V
M PZ1608S221A
T8V
DRESL
L1902
C1903 10U
0.1
I C1903
16 1 RSTBT
VCC STROBE
15 2
M DAT
OE DATA
14 3 MCK
Q4 CP
13 4 RSTBR
Q5 Q0
12 5
Q6 Q1
11 6
Q7 Q2
10 7
QS 2 Q3
9 8
QS 1 GND
CD74HC4094M RMUT
C1904
0.1
I C1904
16 1
VCC STROBE
15 2
OE DATA
14 3
Q4 CP
13 4
Q5 Q0
12 5
Q6 Q1
11 6 RANS
Q7 Q2
10 7
QS 2 Q3
9 8
QS 1 GND
RSEL
CD74HC4094M
RXIF
TXIF
+3R3V
-12V
+15 V
DRIV
IC1701 ALC
1 RSTBR MAGC
VCC STROBE
2
MDAT DAGC
OE DATA
3 MCK EPAD
Q4 CP
4 MUTEI
Q5 Q0
5 ME T
Q6 Q1
6
BPS T
Q7 Q2
7 RSTBT
QS2 Q3
8 RSTBR
QS1 GND
CD74HC4094M DRESL
MCK
MDAT
MCK
MDAT
IC1702
1
VCC STROBE
2
OE DATA
3
Q4 CP
4
Q5 Q0
5
Q6 Q1
6 +15V
Q7 Q2
7 +8V
QS2 Q3
8 +3R3V
QS1 GND
+5V
CD74HC4094M -12V
BPO E
Q 2002
D TA114EU
J391
TMP-J01X-V6
P1
C395 C393
0.015 0.015
L394 R384
330U 680
R392
R381 680
D TC114EU
4.7K
L391 R385
Q38 3
330U 680
R393
Q384
680
L395 DTC114EU
330U
R391 R395
680
100K
R390 R396
RL381 10K 680
Q38 6 Q 385
DTC114EU D TC114EU
C394
1 XVRT
C 389
1
L392
R394
SIP-1A
Q 381
330U 680
DTC114EU
Q387 R389
DTC114EU 680
RL401
R401
220
Q403
DTA114E U
Q402 SIP-1A
2SC4081 D402
Q404
C403 C402
D TC114EU
R403
R404
2P 1
0 2 .2K
Q401 MA742
2SC4116
J1501
B4B-ZR-SM4-TF
RXIF
1
2 To MAIN UNIT J831
TXIF
3
4
J2006
52808-2271
GND
22
EP2004 MMZ1608Y102BT DRIV_ DRIV
21
EP2005 MMZ1608Y102BT ALC_ ALC
20
EP2006 MMZ1608Y102BT MAGC_ AGCO
19
EP2007 MMZ1608Y102BT DAGC_ AGCI
18
EP2008 MMZ1608Y102BT EPAD
17
EP2009 MMZ1608Y102BT MUTEI
16
EP2010 MMZ1608Y102BT MET
15
R2007 0 BPS T
14
R2008 0 RSTBT
13
R2009 0 RSTBR
12
GND
11
R2010 0 DRESL
10
R2011 0 MCK
9
R2012 0 MDAT
8
GND
7
6
T8V EP2011 MMZ1608Y102BT T8V
5
4
R8V EP201 2 MMZ1608Y102BT R8V
3
2
GND
1
8
EP2018 MPZ1608S221A X6
7
EP2013 + 15V_
6
EP2014 +8 _
5
EP2015 + 3R3V__
4
EP2016 +5 _
3
EP2017 -12V_
2
1
J2007
B8B-PH-SM4-T B
[X-VERTER]
J103
01K1971-10
RX IN
[RX ANT IN]
J104
01K1971-10
R405
2P-50
J105
01K1971-10
[RX ANT OUT]
From ANT-SW J3
RX-ONLY
J108
TMP-J01X-V6
RX-ANT
J106
TMP-J01X-V6
From CTRL UNIT J351
10 - 18