Panasonic SA-G90 - Schematic Diagram-13; G MAIN CIRCUIT

To FL CIRCUIT(CP901)
on SCHEMATIC DIAGRAM - 8
To FL CIRCUIT(CP902)
on SCHEMATIC DIAGRAM - 8
To FL CIRCUIT(CP903)
on SCHEMATIC DIAGRAM
- 8
To FL CIRCUIT(CP904)
on SCHEMATIC DIAGRAM - 8
1
1032 4 5 6 7 8 9
1
1032 4 5 6 7 8 9
1
8
32 4 5 6 7
1
8
32 4 5 6 7
1
8
32 4 5 6 7
TCE
COM DI
GND
+B(3)
OV1
S/C
SP B
SP A
+B(1)
T.D T
VIDEO B
VIDEO A
IF DATA
SD
FM ST
OV 2
V.RF
S-DET
CON REQM
GND
V.O
LIN
RIN
+B(8)
L D OUT
R OUT
L OUT
A.GND
R D OUT
D
CON REQS
T.C K
COM CK
COM DO
RELAY
RDS IN
AF MUTE
LIMITTER
FL AC2 FL AC1
HP R
HP L
HP GND
D
4 5 6 71 2 3
11 10 9 814 13 12
Vcc
Vss
IC602
NJM2060D
BUFFER AMP
C574
120P
R574
18K
R572
2.2K
R576
2.7K
C576
560P
R571
680
R575
680
C575
16V22
R689
820
R573
2.7K
C573
560P
R690
820
R4L4
L5
R5
C4
ABC
CN901 CN902 CN903 CN904 CN905
NLM P O J IABGCEFHK DE FGDCBABA
C414 16V10
C413 16V10
R420 100K
R419 100K
AB
C577
0.01
C578
0.01
C571
16V22
AB
10K
4.7K
10K
4.7K
10K
4.7K
10K
4.7K
10K
4.7K
R623
6.8K
C
R621
6.8K
R622
6.8K
B
A
Q651,652
RVTDTA143XST
RELAY DRIVE
CONTROL
Q652Q651
Q603 Q601Q602
RELAY DRIVE
Q601-603
RVTDTA143XST
CD
A
D
C
B
Q604
RVTDTA114EST
LIMITER
A
B
C
Q706
2SC3940AQSTA
REGULATOR
Q701
2SD2374PQAU
REGULATOR
Q708
2SB1548PQAU
REGULATOR
Q707
2SA1534AQRTA
REGULATOR
C713
0.01
R725
820
D708
MTZJ16CTA
C714
25V47
D707
MTZJ27DTA
C712
50V10
C711
0.01
R721
560
R722
12K
R727
330
R726
330
R614
2.2K
R699
2.2K
D618
MTZJ18CTA
R613
2.2K
R698
2.2K
Q605
RVTDTA114EST
SWITCHING
R615
680
R640
680
R639
100K
D705
MTZJ6R2BTA
C710
0.01
C715
16V100
R713
39
R714
39
R711
7.5K
C709
16V33
R712
6.8K
R708
1.5K
Q703
Q704
REGULATOR
Q703,704
2SC1740SSTA
C708
0.01
R707
220
R706
1K
R705
4.7K
C707
35V100
L751
100
H
C758
16V100
D C
C
ED
SCHEMATIC DIAGRAM - 13
D
-B(1)
-B(2)
R583
1K
C572
16V22
D D
To FL CIRCUIT(CP905)
on SCHEMATIC DIAGRAM - 8
D
10K
10K
10K
10K
4.9V
14.4V
-16.2V
5.5V
0V 0V 0V 0V
0V 0V 0V 0V14.4V
5.5V 13.8V
6.1V
14.4V 31.1V
14.9V 30.8V
15.5V
15.5V
6.1V
6.7V
0V0V
4.9V
0V
0V0V0V
-7.8V
4.5V
:NEGATIVE VOLTAGE LINE
:POSITIVE VOLTAGE LINE :FM/ AM SIGNAL LINE
:CENTER SP SIGNAL LINE
-16.2V
-38.9V-27.2V
-27.9V
-31.4V
-16.8V
-16.2V
0V
-7.4V
-31.5V0V
0V
0V
-27.2V
5.5V
-27.2V
- 31.4V
-7.8V
0V0V
- 16.2V