Power Circuit - Panasonic SA-PM53E Service Manual

SA-PM53E / SA-PM53EB / SA-PM53EG

17.5. POWER CIRCUIT

SCHEMATIC DIAGRAM-6
POWER CIRCUIT
CP502
WB505
-9V
1
TO AFGND
2
MAIN CIRCUIT +9V
3
(CN200) ON
R_IN WB504
4
SCHEMATIC AFGND
WB513
5
0
DIAGRAM-2
L_IN WB501
6
WB518
0
+9.6V
CP501
+11V D529
11
B0ACCK000005
10
+9.6V
TO 9
CD_GND
MIAN CIRCUIT
8
+7.5V
+7.5V
(CN402) ON
7
PGND D528
SCHEMATIC 6
B0ACCK000005
OP_LEVEL
DIAGRAM-2
5
PCONT2
4
DC_DET
3
2
1
IC502
C0DAZYY00006
DUAL REGULATOR IC
2 4
VCC V02
IC502
V01 GND
1 3
C521
3.3V
C519
16V22
: -B SIGNAL LINE : +B SIGNAL LINE : MAIN SIGNAL LINE
WB512
C5ZAZ0000083
R736 C540
50V0.68
27K
WA544 0
C539
R737 WB516
27K 0 50V0.68
WA545 0 WB517 0
Q519
B1ABCF000176
STANDBY SWITCH
R743
33K
R744
22K
WB508
Q515
R742
B1GBCFJJ0044
5.6K
PCONT SWITCH
Q524 R747
C728 R746
B1BABD000001
0.01 220
VOLTAGE REGULATOR
C522
C729
D538
16V10
50V33
B0BC01200019
5
D523
B0ACCK000005
Q506
B1BCCG000002
C520
16V22
CURRENT LIMITER
WB510
QR522 B1GBCFJJ0044
DC DETECT SWITCH
IC501
IC501
POWER HIC
15 14 13 12 11 10 9 8 7 6 5 4
R703
C702
100
120P
R718
1K
R710
R552
560
1.2K
C544
R706
R553 820P
15K
1.2K
R707
15K
C543
820P
C707
C726 50V100
16V33
R745
Q508, Q509
18K
B1ABCF000079
DCDET SWITCH
Q509
Q508
R527 R526
47K 47K
WB502
0
2.2
Q505
R521 R520
2.7K 560 WB515
C515
50V10
R522
Q505
2.7K
B1ACCF000094
CURRENT LIMITER
C516
R523
0.01 3300
C517 Q506 R518 R519
16V50 15 27
92
QR522
R579
10
L503
3 2 1 R581 C557
10 0.1
R578
10
L504
R701
R580 C558
100
10 0.1
L503,L504
G0AR76Y00003
C705
50V100
AGND
R584 R585
WA502 0 0
WA501
C512 C512
50V2200 50V2200
C514
25V3300
WB506
0
C513
50V2200
1 2 3 4 5 6 7 8 9 10
CN501
SA-PM53E/EG/EB POWER CIRCUIT
TO
TRANSFORMER CIRCUIT
(H501/JW501) ON
SCHEMATIC DIAGRAM-7
C559
JK501
6800P
VLO_GND
1
LO_L
TO
2
C555
LO_GND
SPEAKER UNIT
0.1 3
LO_R
4
C559
6800P
C556
0.1 C561
1000P
TO INNER CHASSIS
C562 GROUND
E502
1000P
TO CHASSIS GROUND
E501
C572
0.1