Icom IC-7610 Service Manual page 76

TO MAIN
ATRRF
POFAS
Q3335, Q3336
SPLOFS
PRE
2 dB AMP
Q3475
PR1AS
ATT AMP
Q3364
PRE
AMP
SPLONS
PR2AS
fc=60 MHz D3401
PIN
LPF
ATT
DRIVE
D3402 2.6 dB D3431
IC3421
PIN RF
PIN
ATT
AMP
ATT ATT
DPGV
ALC
T8V
BA6AS
SPLONS BA7AS
IC3502, IC3503
BA0AS BA8AS
BA1AS BA9AS
MCK, MDAT, RSTB4, DRESL
SHIFT
BA2AS BA10AS
REGISTER
BA3AS BA11AS
BA4AS BA12AS
BA5AS BA12TXS
POFAS
IC3504
PR1AS
PR2AS
MCK, MDAT, RSTB5, DRESL SHIFT
POFBS
REGISTER
PR1BS
PR2BS
ASQLS
SPLOFS
TO MAIN
BRRF
POFBS
Q2335, Q2336
SPLOFS
PRE
2 dB AMP
Q2471
PR1BS
ATT AMP
Q2364
PRE
AMP
SPLONS
PR2BS
BA6BS
BA7BS
IC2502, IC2503
BA0BS BA8BS
BA1BS BA9BS
MCK, MDAT, RSTB3, DRESL SHIFT
BA2BS BA10BS
REGISTER
BA3BS BA11BS
BA4BS BA12BS
BA5BS
Explanatory notes
CONTROL LINE
COMMON LINE
TX LINE
RX LINE
DATA LINE
0.03~0.499 MHz
LPF LPF
BA0AS
0.5~1.599 MHz
RXS DSELAS
LPF
BA1AS
Q201
1.60~1.999 MHz
BPF
BA2AS
DIGISEL-A
2.00~2.999 MHz
UNIT
BPF
BA3AS
3.00~3.999 MHz
BPF-A BOARD
BPF
15.00~21.999 MHz
BA4AS
BPF
4.00~5.999 MHz
BA9AS
BPF
22.00~29.999 MHz
BA5AS
BPF
6.00~7.999 MHz
BA10AS
BPF
30.00~60.00 MHz
BA6AS
BPF
8.00~10.999 MHz
BA11AS
BPF
50.00~54.00 MHz(RX)
BA7AS
BPF
11.00~14.999 MHz
BPF
BA12AS
50.00~54.00 MHz(TX)
BA8AS
BPF
BA12TXS
0.03~0.499 MHz
RL
LPF LPF
BA0BS
DSELBS
0.5~1.599 MHz
LPF
BA1BS
1.60~1.999 MHz
Q201
RF
AMP
BPF
BA2BS
IC1
2.00~2.999 MHz
EEPROM
BPF
BA3BS
3.00~3.999 MHz DIGISEL-B UNIT
BPF
BA4BS BPF-B BOARD
4.00~5.999 MHz 15.00~21.999 MHz
BPF BPF
BA5BS BA9BS
6.00~7.999 MHz 22.00~29.999 MHz
BPF BPF
BA6BS BA10BS
8.00~10.999 MHz 30.00~60.00 MHz
BPF BPF
BA7BS BA11BS
11.00~14.999 MHz 50.00~54.00 MHz
BPF BPF
BA12BS
BA8BS
8-2
24 dB
fc=1.6 MHz
RL RL
RL RL
ATT
HPF
RL
HPFAS
AT24AS AT12AS
RF
BPF
AMP
DSRES
IC4, IC5 DSCK
DSDAT
D_S DSTBA
CTRL
TO MAIN
IC1
DSCLA
DSDAA
EEPROM
TO CHASSIS
X-VERT
RXS
T5V DSELADJ
TRVTS
1.8 dB
IC1091
YGR
ATT
AMP
TRVTS
T5V
fc=1.6 MHz
24 dB
HPF
RL RL RL
ATT
RL
HPFBS
AT24BS AT12BS
BPF
DSRES
DSCK
Q4003
DSDAT
IC4, IC5
DSTBB
ASQLS CTRL
D_S
CTRL
TO MAIN
DSCLB
14V
DSDAB
Q4005
RTKI CTRL
Q4004, Q4006, Q4007
SENI
CTRL
TRAS
Q4008
TO MAIN
TRVI CTRL
IC4001
BUFF
ACC5V
IC4001
BANDV BUFF
EALC
AMOD
AAF
RF UNIT
12 dB 6 dB 3 dB
RL
RL RL
ATT ATT ATT
D1023
RL RL RL
REV-PWR
DET
AT6AS AT3AS
RMUTAS
SPLIT
RL
RL
D1012
SPLTRS
REV-PWR
DET
RMUTBS
MCK, MDAT, RSTB1, DRESL
fc=60 MHz 1.8 dB
TO PA
LPF ATT YGR
MCK, MDAT, RSTB2, DRESL
12 dB 6 dB 3 dB
T8V
ATT ATT ATT
RL RL RL
AT6BS AT3BS
EPAD1L
EPAD2L
METAV
[ACC (1)]
6
METBV
7 1: RTTY
7 6 2: GND
1
3: SEND
8
4: MOD
3
3 8 1
5: AF
4
6: SQLS
2
KEYI
7: 14V
5
5 4
8: ALC
2
TO MAIN
CIVE
CIV
[ACC (2)]
6
7
1: 8V
1 7 6
2: GND
3: SEND PW2FB
3
4: BAND
3 1
4
5: ALC
EALC
2
6: TRV
5
5 4 7: 14V
2
EXRL1S
EXRL2S
RL
RL RL
TO TUNER
RX_A
RANTAS
TRVRAS
TO CHASSIS
RX-IN
RX-OUT
RL
RL RL TO RF
RX_B
RANTBS
TRVRBS
RANTBS HPFBS
TRVRBS DSELBS
IC1201, IC1202
RMUTBS DSELAS
SPLTRS HPFAS
SHIFT
AT3BS PW2RLS
REGISTER
AT6BS
AT12BS
AT24BS
RANTAS
IC1203
TRVRAS
RMUTAS
SHIFT
AT3AS
REGISTER
AT6AS
AT12AS
AT24AS
Q1091, Q1092
CTRL T5V
[EXT KEYPAD]
IC4002
BUFF
IC4002
[METER]
BUFF
[KEY]
[REMOTE]
PW2RLS
[ALC]
RL
Q341, Q342
RELAY
[SEND]
IC4003
MOS-FET