E) Power Circuit - Panasonic SA-AK240P Service Manual

17.7. (E) Power Circuit

SCHEMATIC DIAGRAM - 6
POWER CIRCUIT
: +B SIGNAL LINE
SA-AK240P/PC POWER CIRCUIT
1/2
IC5301
C1BA00000407
2-CH DIGITAL AMP
Q5154
2SB0709AHL
R5154
PCONT SWITCH
R5153
100
100
Q5173
B1ABCF000176
SWITCH
R5148
5.6K
R5174 R5146
0 5.6K
C5121
50V47
Q5153
Q5173
Q5153
R5173 R5149 B1ABCF000176
1K 1K
MODE SWITCH
C5305
330P
C5339 C5340
0.47 0.47
R5303 R5304
5.6K 5.6K
AGND
R5201
1K
F_HOP
R5203
C5701 R5204
6.3V100 100K 10K
AGND
C5202
100P X5202
H2A375300003
Q5201
Q5202
H2A415300001
R5209
10
F_HOP F_HOP
1
T_GND T_GND
2
MODE MODE
3
+15V
4
TO
HI_L HI_L
5
MAIN
HI_R HI_R
CIRCUIT
6
(CN2809)
A_GND A_GND
7
ON
SCHEMATIC LO_L LO_L
8
DIAGRAM-3
LO_R LO_R
9
A GND
10
: -B SIGNAL LINE : MAIN SIGNAL LINE
IC5301
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
C5314 C5318
0.1 0.1
R5139 W5511
10 0
C5309 C5312 C5315 C5320 C5322
0.1 0.1
0.1 0.1 0.1
C5302
330P R5308 10
R5307 10
C5301 C5303
1 3
0.47 0.47
L5301
G0C220Z00002
R5301
5.6K
C5333
2 4
220P
R5302
R5306
R5305
W5507 5.6K C5327
C5324
22 22
0 0.68
0.68
C5336 C5337
C5325 C5328
1000P 1000P
0.1 0.1
C5123
C5326 C5329
35V1000
0 0
R5210
270
C5210
220P
R5514
0
R5202
100K
C5201
470P
1A VCC
1Y 6A
Q5201
C5203
2A 6Y B1ABCF000176
100P
FREQUENCY HOPPING
SWITCH
2Y 5A
Q5202
B1ADCF000063
3A 5Y
R5207 R5206 FREQUENCY HOPPING
6.8K 1M
SWITCH
3Y 4A
GND 4Y
X5201
C5205
C5208 C5204
0.1
6.3V680
100P
R5151
150K
R5147
2.2
20 21 22 23
R5138
10
C5331 C5330 C5332
220P 220P 220P
C5124
35V1000
L5101 L5102
J0JKB0000037
J0JKB0000037
Q5103,Q5104
B1ABCF000176
FAN ON/OFF SWITCH
Q5104
Q5111
B1BACG000023
R5122 R5123 R5125
+15V REGULATOR 0 4.7 0
71
R5112 R5113
47K 47K
R5413 R5313
100K 150K
Q5103
R5317
C5105 R5111 C5155
10K
10V220 100K 1000P
D5126
B0ACCK000005
R5150
220K
Q5101
SA-AK240P / SA-AK240PC
1 + R_HIGH
C5335 0.015
2 + R_LOW
- SPEAKER
3 L_HIGH
C5435 0.015
4
- L_LOW
JK5101
C5343
0.015
R5316
10K
+VCC1
1
+VCC2
C5107
E5101 2