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17.7. (H) Power Circuit
SCHEMATIC DIAGRAM - 13
POWER CIRCUIT
18
17
16
A_GND
1
SUB
2
GND
TO
3
-VCCM
SUB-POWER
4
CIRCUIT
AC_DET
5
(H5004/W004)
VCC
6
ON
-VCC
7
SCHEMATIC
HOT
DIAGRAM-12
8
COLD
9
D5814
CN5803
C5838
R5853
50V2.2
220K
D5814
B0AACK000005
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
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
15
14
13
12
11
10
9
8
7
6
5
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
B0AACK000005
C5451
1
Q5814
C5252
B1ABCF000176
1
HEADPHONE
MUTING SWITCH
R5808
R5807
R5809
R5841
330
330
330
330
D5820
D5802
B0BC01500006
B0BC01500006
Q5808
Q5803
B1BACG000023
B1BACD000018
5V VOLTAGE REGUALTOR
15V VOLTAGE REGULATOR
Q5804
B1BCCG000002
CURRENT STABILISER
SWITCH
Q5806
B1GDCFGA0018
Q5807
B1ABCF000176
CURRENT LIMITING SWITCH
(SHORT CIRCUIT PROTECTION)
10V VOLTAGE REGULATOR
R5824
2.2
Q5803
Q5808
C5809
C5813
0.01
25V10
R5897
R5831
C5810
22
2.2K
25V100
C5864
0.01
D5805, D5807
R5882
B0EAKM000117
D5808
150
D5808
B0BA5R600003
: -B SIGNAL LINE
IC5801
RSN315H42C-P
POWER HIC
4
3
2
1
R5857
22K
R5772
22K
R5856
10K
R5251
R5451
150K
56K
R5771
270K
C5803
1000P
C5802
Q5812
6.3V220
R5803
0
10V VOLTAGE REGULATOR
CURRENT CONTROL SWITCH
R5804
R5805
47K
47K
R5810
R5811
2.7K
470
D5801
B0BC01000014
R5812
C5807
C5808
2.7K
16V10
16V10
Q5805
Q5802
16V100
R5834
15
R5457
27
R5846
R5845
R5844
R5843
6.8
6.8
6.8
6.8
R5822
3.3K
R5823
D5804
Q5804
D5805
470
B0ACCK000005
D5804
D5807
Q5807
C5812
R5829
25V33
330
75
: MAIN SIGNAL LINE
Q5813
R5806
100K
Q5812-Q5813
B1ABCF000176
DC DETECT SWITCH
Q5801
B1BACG000023
Q5802
B1BCCG000002
VOLTAGE SUPPLY SWITCH
Q5805
B1ACCF000094
VCC+
VCC-
AC GND
ACIN
SUB+B
Q5801
C5804
0.01
FP5833
R5814
400
3.3K
C5805
R5816
R5815
27
27
R5848
6.8
C5811
R5828
Q5806
0.01
10K
R5830
1.2K
D5809
B0BC01000014
SA-AK633P
+
1
LOW
2
-
RIGHT
CHANNEL
+
3
SPEAKER
HIGH
4
-
JK5851
1
+
HIGH
LEFT
2
-
CHANNEL
3
+
SPEAKER
LOW
-
4
5
+
SUBWOOFER
-
6
JK5852
1
2
TO
3
TRANSFORMER
4
CIRCUIT
(CN5950) ON
5
SCHEMATIC
6
DIAGRAM-11
7
8
9
H5950/
W5950
E5800
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