H) Power Circuit - Panasonic SA-AK631GCP Service Manual

SA-AK631GCP

17.7. (H) Power Circuit

SCHEMATIC DIAGRAM - 13
POWER CIRCUIT
18
A_GND
1
SUB
2
GND
TO
3
-VCCM
SUB-POWER
4
CIRCUIT
AC_DET
5
(H5004/W004)
VCC
6
ON
-VCC
SCHEMATIC 7
HOT
DIAGRAM-12
8
COLD
9
D5814
CN5803
C5838
50V2.2
D5814
B0AACK000005
FAN
1
DC_DET
2
MUTE_H
3
+15V
4
TO
HI_L
5
MAIN
HI_R
CIRCUIT
6
(CN2809)
A_GND
7
ON
LO_L
SCHEMATIC
8
DIAGRAM-8
LO_R
9
10
SUBW
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
8
SCHEMATIC
MOT10V
9
DIAGRAM-8
+9V
10
-9V
11
SW 5V
12
CN5801
: +B SIGNAL LINE
IC5801
17 16 15 14 13 12 11 10 9 8
C5801
0.01
C5242
R5250
2200P
68K
C5243
R5853
39P
C5442
220K
2200P
C5443
39P
C5240
R5450
68K
2200P
C5241
39P
C5440
C5441
R5249
2200P
68K
R5445
R5802
3.3K
22K
Q5814
D5813
B0AACK000005
C5451
1
Q5814
C5252 B1ABCE000016
1
HEADPHONE
MUTING SWITCH
R5809 R5808 R5807
330 330
330
D5820 D5802
B0BC01500006 B0BC01500006
Q5803
B1BACG000023
15V VOLTAGE REGULATOR
Q5804
B1BCCG000002
CURRENT STABILISER
SWITCH
Q5807 B1GDCFGA0018
B1ABCE000016
CURRENT LIMITING SWITCH
10V VOLTAGE REGULATOR (SHORT CIRCUIT PROTECTION)
R5824
2.2
Q5803
Q5808
C5813
25V10
R5897
22
C5864
0.01
R5831
R5847
R5882
2.2K
22 150
D5808
: -B SIGNAL LINE
IC5801
RSN315H42C-P
POWER HIC
7 6 5 4 3 2 1
R5251
150K
R5451
R5771
270K
39P
C5803
R5449
1000P
68K
Q5812
R5803
0
R5841
330
R5804
R5805
47K
R5811 R5810
2.7K
470
R5812
C5807
C5808
16V10 2.7K
16V10
Q5805
Q5802
Q5806
R5457
27
R5845 R5844 R5843
6.8 6.8 6.8
R5822
C5809
3.3K
0.01
C5810
R5823 D5804
D5805
25V100
470
B0ACCK000005
D5804
D5805-D5807
B0EAKM000117
D5807
D5808
B0BA5R600003
R5829
330
74
: MAIN SIGNAL LINE
R5857
22K
R5672
22K
R5772
22K
R5856
10K
56K
Q5813
R5806
C5802
100K
6.3V220
Q5812-Q5813
B1ABCE000016
DC DETECT SWITCH
Q5801
B1BACG000023
10V VOLTAGE REGULATOR
Q5802
B1BCCG000002
VOLTAGE SUPPLY SWITCH
Q5805
B1ACCF000094
CURRENT CONTROL SWITCH
47K
Q5801
D5801 C5804
B0BC01000014
0.01
FP5833
R5814 400
3.3K
C5805
16V100
R5834 R5816 R5815
18 27 27
R5846 R5848
6.8 6.8
Q5804
R5828
C5811
Q5806
10K
0.01
R5830
Q5807
1.2K
C5812
D5809
25V33
B0BC01000014
+
1
LOW
- RIGHT
2
CHANNEL
+
3
SPEAKER
HIGH
4
-
JK5851
1 +
HIGH
LEFT
2 -
CHANNEL
3 +
SPEAKER
LOW
-
4
5 +
SUBWOOFER
-
6
JK5852
VCC+
1
2
TO
VCC-
3
TRANSFORMER
4
CIRCUIT
AC GND
(CN5950) ON
5
SCHEMATIC
6
ACIN
DIAGRAM-11
7
SUB+B
8
9
H5950/
W5950
E5800