Read Panasonic SA-VKX20EE / SC-VKX20EE Service Manual Simplified online
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B
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 7
SA-VKX20EE MAIN CIRCUIT
3/8
4/8
7/8
2/8
6/8
8/8
1/8
5/8
TO MAIN
SECTION (2/8)
SECTION (2/8)
TO MAIN
SECTION (7/8)
SECTION (7/8)
TO MAIN
SECTION (4/8)
SECTION (4/8)
P1
P1
1
2
: +B SIGNAL LINE
: -B SIGNAL LINE
: AM SIGNAL LINE
: AM/FM SIGNAL LINE
: FM SIGNAL LINE
: VIDEO OUTPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: AUX/MIC AUDIO INPUT SIGNAL LINE
: TAPE AUDIO INPUT SIGNAL LINE
0
R2402
22
R2400
R2401
0
1
C2401
1
C2400
+12V
R2409
0
R2406
R2405
0
47P
150P
C2405
10K
R2407
10K
R2408
C2435
0.1
C2406
6
7
5
2
4
3
8
1
C0AABB000125
IC2400
OP-AMP
4.7
C2410
R2410
47P
150P
C2407 C2408
C2409
4.7
6.3V220
C2434
R2403
R2404
1
6.8K
47K
C2403
1
6.8K
47K
C2404
C2402
16V220
ROUT
LOUT
-VCC
+VCC
ASP_GND
C2950
0.022
C2953
0.022
50V3.3
C2819
D2800
B0ACCK000012
R2855
47K
C2815
0.1
QR2801
B1GBCFLL0037
RESET
C2818
0.1
PCONT
SYS_GND
R2861
470K
B0BC5R1A0266
DZ2805
DVREF
B1GBCFLL0037
POWER CONTROL
QR2802
1K
R2860
RESET
22K
R2950
22K
R2951
10K
R2952
R2862
0
C2952
330P
330P
C2951
7
8
5
4
3
1
2
6
IC2950
C3EBFY000006
EEPROM
VREF+
B1ACCF000094
POWER SUPPLY
Q2800
C2817
6.3V220
SYS3.3V
EE_CS
EE_CLK
EE_DAT
DI
TEST
DO
GND
VCC
CS
NC
SK
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