H) Power Circuit - Panasonic SA-AK330GC Service Manual

16.6. (H) Power Circuit

SCHEMATIC DIAGRAM - 12
POWER CIRCUIT
18 17
D5814
B0AACK000004
C5838
R5853
50V2.2
220K
C5240
2200P
C5440
2200P
FAN
1
DC_DET
2
MUTE_H
3
R5445
+15V
4
3.3K
TO
HI_L
5
MAIN
HI_R
CIRCUIT
6
(CN2809)
A_GND
7
ON
LO_L
SCHEMATIC
8
DIAGRAM-8
LO_R
9
10
11
T GND
12
CN5800
P_GND
1
D_GND
2
UP GND
3
SUB+B
4
TO
CD8V
MAIN
5
CIRCUIT
6
(CN2808)
7
ON LED9V
8
SCHEMATIC
MOT10V
9
DIAGRAM-8
+9V
10
-9V
11
SW 5V
12
CN5801
: +B SIGNAL LINE
IC5801
16 15 14 13 12 11 10 9 8 7 6
C5801
0.01
C5242
R5250
2200P
68K
C5243
39P
C5442
2200P
C5443
39P
R5450
68K
C5241
39P
C5441
R5249
39P
68K
R5449
68K
R5245
R5802
3.3K
22K
Q5814
R5447
D5813
3.3K
B0AACK000004
Q5814
B1AACF000064
HEADPHONE
MUTING SWITCH
FOR
GC ONLY
R5835
R5808
270
270
R5809
R5807
D5802
390 270
B0BA01500003
Q5808 Q5803
B1BACG000023
B1AAKD000009
15V VOLTAGE REGULATOR
5V VOLTAGE REGUALTOR
Q5804
Q5809
B1BCCG000002
B1BACD000017
CURRENT STABILISER
5V VOLTAGE REGUALTOR
SWITCH
Q5806
Q5807
B1AACF000064 B1GCCFGA0005
10V VOLTAGE REGULATOR CURRENT LIMITING SWITCH
(SHORT CIRCUIT PROTECTION)
R5824
2.2
Q5808
Q5803
FOR
C5813
GN ONLY C5809
25V10
0.01
C5810
Q5809
25V100
FOR
GC ONLY
C5814
0.01
D5808
B0BA5R600016
R5832
150
: -B SIGNAL LINE : MAIN SIGNAL LINE
IC5801
RSN315H42C-P
POWER HIC
5 4 3 2 1
R5452
R5252
100K 220K
R5451
56K
R5251
150K
C5803
1000P
C5802
Q5812
6.3V220
R5804
R5805
47K
47K
R5810
R5811
2.7K
470
B0BA9R600002
R5812
C5807
C5808
2.7K
16V10
16V10
Q5805
Q5802
R5834
27
R5818
R5821 R5820 R5819
8.2 8.2 8.2 8.2
R5822
3.3K
R5823 D5804
Q5804
D5805
470
B0AACK000004
D5804
R5847
22
Q5807
D5807
C5812
R5829
D5805, D5807
25V33
330
B0EAKM000117
69
C5445
C5245
R5855
R5857
0.047
0.047
22K 22K
R5456
R5256
10
10
R5856 R5854
10K 10K
C5444
C5244
0.047
0.047
R5255
R5455
10
10
Q5813
R5806
100K
Q5812-Q5813
B1AACF000064
DC DETECT SWITCH
Q5801
B1BACG000023
10V VOLTAGE REGULATOR
Q5802
B1BCCG000002
VOLTAGE SUPPLY SWITCH
Q5805
B1ACCF000063
CURRENT CONTROL SWITCH
VCC+
VCC-
AC GND
ACIN
SUB+B
Q5801
D5801 C5804
0.01
FP5833
R5814
400
3.3K
C5805
FOR
16V100
GC ONLY
R5816 R5815
15 27
R5817 R5858
8.2
4.7
FOR
GC ONLY
C5811 R5828
Q5806
10K
0.01
R5830
1.2K
D5809
B0BA9R600002
SA-AK330GC / SA-AK330GN
L
1
2 R HIGH
CHANNEL
3 L
SPEAKER
4
R
JK5951
1 + R
LOW
2 + L
CHANNEL
- R
3 SPEAKER
4
- L
JK5952
1
2
TO
3
TRANSFORMER
4
CIRCUIT
(CN5950) ON
5
SCHEMATIC
6
DIAGRAM-11
7
8
9
H5950/
W5950
E5800