E) Power Circuit - Panasonic SA-AK340GCP Service Manual

17.7. (E) Power Circuit

SCHEMATIC DIAGRAM - 6
POWER CIRCUIT
: +B SIGNAL LINE
SA-AK340GCP POWER CIRCUIT
1/2
C1BA00000407
2-CH DIGITAL AMP
Q5154
B1ADCF000063
R5154
PCONT SWITCH
R5153 100
100
Q5173
B1ABCF000176
SWITCH
R5148
5.6K
R5174 R5146
0 5.6K
C5121
50V47
Q5153
Q5173
Q5153
B1ABCF000176
R5149
R5173
1K 1K
MODE SWITCH
C5305
330P
C5304 C5306
0.47 0.47
R5303 R5304
5.6K 5.6K
AGND
R5201
1K
F_HOP
C5701 R5204 R5203
6.3V100 10K
100K
AGND
C5202
100P
H2A375300003
Q5201
Q5202
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
IC5301
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
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
W5507 R5305 R5306
5.6K C5327
0 C5324
22 22
0.68
0.68
C5336 C5337
C5325 C5328
1000P 1000P
0.1 0.1
C5123
C5326 C5329
35V470P
0 0
R5210
270
C5210
220P
R5514
0
R5202
100K
C5201
470P
1A VCC
1Y 6A Q5201
B1ABCF000176
FREQUENCY HOPPING
C5203
6Y
2A
100P SWITCH
X5202
Q5202
2Y 5A B1ADCF000063
FREQUENCY HOPPING
SWITCH
3A 5Y
R5207 R5206
6.8K 1M
4A
3Y
GND 4Y
X5201
H2A415300001
C5205
C5208 C5204
0.1
6.3V680P 100P
R5151
150K
R5147
2.2
IC5401
C1BA00000407
2-CH DIGITAL AMP
19 20 21 22 23 1 2 3 4
R5418
0
R5419
0
R5138
10
R5141
10
C5405 330P
C5402
330P
W5505
0
C5404 C5406 C5401 C5403
0.47 0.47 0.47 0.47
R5403
5.6K
R5404 R5401 R5402
C5331 C5330 C5332 5.6K
5.6K 5.6K
220P 220P 220P
W5506
0
C5437
1000P
C5436
1000P
C5124
35V470P
L5102
L5101
J0JKB0000037
J0JKB0000037
Q5103,Q5104
B1ABCF000176
FAN ON/OFF SWITCH
Q5104
Q5111
B1BACG000023
R5123
+15V REGULATOR
4.7
71
IC5401
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
R5140
10
C5414 C5418
0.1 0.1
C5409 C5412 C5415 C5420 C5422
0.1 0.1
0.1 0.1 0.1
R5408 10
R5407 10
1 3
L5401
G0C220Z00002
C5432 C5430 C5431 C5433
2 4
220P 220P 220P 220P
R5405
R5406
C5424 22 C5427
22
0.68 0.68
C5425 C5428 C5117 C5118
0.1 0.1 35V470P 35V470P
C5426 C5429
0 0
L5403
J0JKB0000037
R5112 R5113
47K 47K
R5317 10K
R5413 R5313 R5312 R5412
100K 150K 56K 220K
Q5103
R5417
C5105 R5111 C5155
10V220 100K 1000P 10K
D5126
R5518
B0ACCK000005
10K
R5150
220K
Q5101
SA-AK340GCP
4 -L_LOW
C5434 0.015
3 +L_LOW
-L_HIGH
2
C5334 0.015
1
+L_HIGH
C5438
JK5102 SPEAKER
L5601 0.015
G0B9R5K00001
1 + R_HIGH
C5335 0.015
2 + R_LOW
3 - L_HIGH
C5435 0.015
4 - L_LOW
L5602 JK5101
G0B9R5K00001
C5343
0.015
+VCC1
1
+VCC2
E5101 2