Panasonic SA-AK250PL Service Manual page 73

SCHEMATIC DIAGRAM - 9
I
POWER CIRCUIT
J
K
L
+15V
M
F_HOP1
F_HOP 1
TGND
2
MODE
MODE 3
AGND
+15V
TO 15V 4
HIGH_LIN
MAIN CIRCUIT 5
R_CH
HIGH_RIN 6
(CN2809)
AGND
ASPGND 7
IN SCHEMATIC
LOW_LIN 8
DIAGRAM-3
L_CH
LOW_RIN 9
AGND
AGND
10
F_HOP2
F_HOP2 11 D5130
FAN
B0JAME000025
FAN 12
N
CN5102 CD3.3V
PCONT
MOTOR12V
1
PGND
2
FLGND +5V
DGND 3
PCONT
TO
PCONT 4
+5V
MAIN CIRCUIT +5V 5
CD3.3V
CD3.3V 6
(CN2808)
DC_DET
DC_DET 7
IN SCHEMATIC
MUTE_F
O mUTE-F_HOP 8 C5133
DIAGRAM-5
MOTOR12V 6.3V100
9
MOTOR 12V
XM5.3V 10
-9V
-9V 11
+3.3V 12
CN5103
P
1 2 3
: MAIN SIGNAL LINE
: +B SIGNAL LINE : -B SIGNAL LINE
R5151
B1BACG000023
150K
IC5101
+15V REGULATOR
C0DAZYY00005
R5147
2.2
REGULATOR IC
2 4
R5152
C5131 0
C5132
6.3V100
25V100
1 3 5
Q5112
B1BCCG000002
CURRENT STABLISER
C5159 R5133
D5125
0.01u
B0AAFK000004
Q5114
C5113
R5132 50V33
330
AGND
Q5114
B1ABCF000176
11V REGULATOR
4 5 6
Q5101,Q5102
B1DEGM000026
CURRENT CONTROL SWITCH
Q5111
Q5101
+VCC2
S D
R5123
4.7
G
C5102
100V10
R5126
1K R5103
C5101
Q5110
R5127 35V1000
R5114
Q5110 R5101
1.8
10K
470
B1GACFGA0002
26V REGULATOR D5102
D5107
B0BA01500003
D5102
B0BA02600018
Q5113
D S
B1GDCFNA0001
Q5102
R5137
CURRENT LIMITER SWITCH G
2.2
2.2 R5108
R5136
47
B0BA01100004
SUB+B
R5135 2.2
Q5113
10K
C5104
R5109
35V1000
1K
R5134
R5110
1.2K 2.2K
D5109
B0BA5R000004
B0BA01100004
W744
0
1 2 3
E5103
K9ZZ00001279
7 8 9
73
C5344
0.015
L5601 C5434
G0B9R5K00001
0.015
RH+
RH+
5 4
C5439
0.015
RH-
2
1
C5435
RL+
RL+
5 4
0.015
C5438
0.015
RL-
1
2
L5602
G0B9R5K00001
W684
0
D5122
B0EAKP000134
+VCC1
D5122
C5107
C5103
0.1u
100V10u C5171
E5101
63V1000u
K9ZZ00001279
C5187
D5121
10K 0.1u
B0EAKP000134
1 2 3
AGND
C5186
0.1u
C5172
C5106
0.1u 63V1000u
ACIN
-VCC1
R5107
560
C5152
Q5108
0.1u
D5104
Q5108
R5106 B1ABCF000176
22K
SWITCH
C5115
0.1u
W706
0
Q5109
R5105
10K
D5103
Q5109
2SB0709AHL
VOLTAGE REGULATOR
1/2
SA-AK250PL POWER CIRCUIT
2/2
10 11 12
SA-AK250PL
I
1 RIGHT +
2 RIGHT - SPEAKERS
3 LEFT+
4 LEFT-
JK5103
J
K
L
M
1 +VCC1
2 +VCC1
3 -VCC1
TO
4 -VCC1
TRANSFORMER CIRCUIT
AGND
5
(CN5950) IN SCHEMATIC
N
6 AGND
DIAGRAM-11
7 ACIN
SUB+B
8
DGND
9
H5104
O
P
13 14