Read Panasonic SA-VKX20EE / SC-VKX20EE Service Manual Simplified online
25
I
K
L
J
M
O
P
N
43
44
45
46
47
48
49
50
51
52
53
54
55
56
B
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 12
SA-VKX20EE MAIN CIRCUIT
3/8
4/8
7/8
2/8
6/8
8/8
1/8
5/8
TO MAIN
SECTION (4/8)
SECTION (4/8)
TO MAIN
SECTION (7/8)
SECTION (7/8)
P1
P1
: +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
D4401
B0EAKM000117
B1GBCFJJ0051
POWER CONTROL
QR4005
68K
R4011
0.22
C4009
4
6
5
2
1
3
B1CBPD000001
POWER SUPPLY
Q4002
C4409
0.01
QR4300
B1GBCFJJ0051
DC DETECT
C4410
16V220
G0A200D00002
L4005
G0A200D00002
L4003
1K
R4407
C4408
0.01
C4407
16V47
C4002
0.01
DZ4401
B0BC010A0269
C4406
0.01
Q4403
B1BACG000023
VOLTAGE REGULATOR
6.3V100
C4001
0.01
C4000
C4003
6.3V100
G2
G1
ZA22*
HEATSINK
A+5V
A9V
ASP_GND
DC_DET
C4101
1
R4006
10K
15K
R4007
DZ4004
B0BC015A0264
R4005
9.1K
A9V
+5V
M9V
18K
R4008
18K
R4009
+18V
C4100
1
D4001
B0ACCK000012
3
1
2
4
5
IC4100
C0DBFYY00049
VOLTAGE REGULATOR
M9V
FL3.3V
22K
R4010
0.01
C4201
C4200
16V100
B1ADCE000012
DC DETECT
Q4300
R4004
220K
4
2
1
3
5
IC4000
C0DAAYH00001
SWITCHING REGULATOR
L4001
G0A101ZA0028
25V1000
C4007
D4003
B0ACCK000012
R4001
1.5K
PCONT
D4301
B0JAME0001
14
C4302
3300P
R4305
47
16V100
C4303
0.1
C4010
B0JCPD000025
DZ4000
6.3V820
C4006
D4201
B0EAKM000117
B0EAKM000117
C4005
0.01
0
K2017
D4202
Z2001
C4204
16V1000
K2021
0
D4302
B0EAMM000057
B0BC036A0264
DZ4300
B1BABK000001
POWER SAVE CONTROL
Q4301
5
3
4
8
7
6
2
1
9
T4300
G4DYA0000214
SWITCHING TRANSFORMER
D4303
B0EAMM000057
K2009
0
C4205
0.01
2
1
3
C0CAAKG00046
VOLTAGE REGULATOR
IC4200
-VP
C4008
0.01
G2
G1
HEATSINK
ZA21*
25V1000
C4206
+12V
FL1
R4306
47K
DZ4304
B0BC024A0267
50V47
C4304
FL2
L4000
G0A200D00002
B1GBCFLL0037
POWER CONTROL
Q4001
R4308
0
R4002
2.7K
R4003
1K
5.6K
R4304
C4004
1
DVD_PCON
R4301
2.2
R4300
2.2
C4300
0.01
270
R4303
R4302
2.2
C4202
16V33
R4307
0
R4200
100
DZ4200
B0BC010A0265
50V47
C4301
B1BACG000023
VOLTAGE REGULATOR
Q4200
390
R4201
0.01
C4203
DC_DET
QR4003
B1GBCFJJ0051
QR4004
B1GBCFJJ0051
DC DETECT
DC DETECT
SYS_GND
D+5V
NC
VSS
ON/OFF
VOUT
VIN
AGND
OUT
GND
VCC
IN
STBY
INV
OUT GND
GND
3
2
1
NOTE: “ * ” REF IS FOR INDICATION ONLY
L4002
G0A200D00002
R4017
1M
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