E) Power Circuit - Panasonic SA-AK450GCP Service Manual

SA-AK450GCP

19.5. (E) Power Circuit

1 2 3
SCHEMATIC DIAGRAM - 8
A
POWER CIRCUIT
Q5154
2SB0709AHL
Q5173
R5154 W679
100 0
PCONT SWITCH
B1ABCF000176
B
R5153
SWITCH
100
R5148
1K
C5121
R5174
47u
Q5153
0
Q5173
Q5153
1 2 3 4 5 6
B1ABCF000176
C MODE SWITCH
AGND
R5301 C5301
GND1
5.6K 0.47u
HI_R
MUTE_F
MODE
R5302 C5303
W681 +5V 5.6K 0.47u
0
PCONT
(I/P_GND)
R5303 C5304
5.6K 0.47u
D
C5308
0.1u
C5306
AGND
0.47u
LO_R
R5304
5.6K
AGND
E
AGND
C5210 47P
F
R5201 R5202
W748
1K 100K 0
F_HOP
1
Q5201 C5701 R5204 C5201
100 100K 470P
B1ABCF000176
2
AGND
FREQUENCY HOPPING
SWITCH C5203
3
C5202
100P
Q5202 100P
Q5201
X5202
B1ADCF000063
4
FREQUENCY HOPPING
R5207
SWITCH
6.8K 5
Q5202
G
6
X5201
H2A415300001
7
R5209 C5204
10
+5V 100P
C5208
X5202 6.3V220u
H2A375300003
H
4 5 6
: +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE
IC5301
C1AA00000487
2-CH DIGITAL AMP
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
R5419
0
R5522
1M
C5318
C5314
0.1u 0.1u
C5320
0.1u
C5322
0.1u
AGND
(O/P_GND)
(I/P_GND)
R5402
C5403
5.6K
W682
0
1 3
C5402
R5401 330P
L5301 C5437
R5308
R5307
5.6K
G0C220Z00002 10 1000P C5401
10
2 4
C5327
0.47u
C5436 R5404
C5324
5.6K
1000P
0.47u
R5403
C5404
5.6K
0.47u
AGND AGND
(O/P_L_GND) (O/P_R_GND)
R5210
0
D5153-D5156
B0JAME000119
1A VCC 14
C5123
35V470
C5123
1Y 6A
13
0 C5124
35V470
2A 6Y 12
IC5201
2Y 5A 11
3A 5Y 10
3Y 4A
9
GND 4Y 8
AGND C5205
0.1u
7 8
IC5401
C1AA00000487
2-CH DIGITAL AMP
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
C5414 C5418
0.1u 0.1u
C5417
C5415
0.1u 0.1u
AGND
(O/P_GND)
AGND
(I/P_GND)
0.47u
1 3
0.47u L5401
G0C220Z00002
C5406
2 4
0.47u
C5430
220P
C5424
C5427
0.47u 0.47u
C5118
C5117
35V470
AGND AGND L5403
J0JKB0000037
Q5103,Q5104
B1ABCF000176
FAN ON/OFF SWITCH
Q5104
Q5103
AGND
72
9 10 11
W751
0
W712
0
C5118
35V470
D5157-D5160
B0JAME000119
D5126
R5150
B0ACCK000005
220K
1/2
2/2
12 13 14
A
B
C
D
E
F
LL-
LH-
RH+
RL+
G
H
SA-AK450GCP POWER CIRCUIT