Schematic Diagram - Power Board - Sony HT-ST7 Service Manual

4-21. SCHEMATIC DIAGRAM - POWER Board -

1 2
POWER BOARD
A
CN501
3P
JL501
AC1 LIVE 1
JL502
(AC IN)
NC 2
NEUTRAL 3
B
ET501
(CHASSIS) ET502
(CHASSIS)
C
D
A501
(CHASSIS)
E
F
G
H
HT-ST7
• See page 52 for IC Block Diagrams.
3 4 5
(AEP, UK, AUS)
F501
T5AH L501
250V
JL503
LINE FILTER
R502 C501
1.5M 0.22
3 4
0.5W 310V
CAM501
PATTERN
2 1
SPARK-GAP
VDR501
C504
CL501
C503
(US, CND)
CL507
IC501
POWER CONTROL
SYR-6735 (US, CND)
STR-Y6766 (AEP, UK, AUS)
7 6 5 4 3 2 1
R501
0
R519 R517 R518
4.7 0.33 0.33
2W 2W
D508
DZ2J180M0L
20
C511
560 25V (US, CND)
330 25V (AEP, UK, AUS)
R522
27k
C507 R520
100p 2.2k
R521
47k
(US, CND)
C537
D504 2.2 C512 C514
PTZ-TE25-30B 10 4700p
6 7
L502
TH501
LINE FILTER
D511
C508 1 D3SB60F3
3 4
~
4 3
C503, 504
2 1 ~
1000p 250V (US, CND)
2
470p 250V (AEP, UK, AUS)
C508
JS502
0.1 310V (US, CND)
0.22 310V (AEP, UK, AUS)
JS501
C513
C516
470p 250V (US, CND)
470p
220p 250V (AEP, UK, AUS)
250V
C519
C513 390 200V (US, CND)
130 450V (AEP, UK, AUS)
C519 R533
0.33
1W
IC501
R528 C517
100k 3300p T501
3W 400V
POWER TRANSFORMER
8
7
D517
6
C505 SARS10
0.1
5
C509
560p
1kV
4
Q501
DSC7003R0L
D516
REGULATOR
CMF02
20.7 2
R523 R531
4.7k 4.7
20.5
1
D507 R525 C515
DZ2J220M0L 100k 10
C520
470p
D512 250V
DZ2J160M0L
R526
100
CL509
PH502
PS2561AL1-1-V-W
ISOLATOR
0.8
4
CL510
3
51 51
8 9 10
R535
0
F502
D519
5A
RK49LF-T1
250V
L505
10uH
C524 C527 C528 C530
330 330 330 0.1
11
25V 25V 25V
CL511
C526
12 (US, CND)
2200
35V
C522
4 3
4700p
13
2kV
14 E
1 2
L506
2.2uH
15
D521 R541
FMX-22SL 0
16
17
R538
18
C525
1k R540
0.01
220k
CL514
3 4
IC502
SHUNT REGULATOR
IC502
MM1431CURE
2 1
R542
4.7k
24.2
1
R534
1k
23.1
2
CL515
HT-ST7
11 12 13
A502
(CHASSIS)
CN503
5P
(Page 41)
JL505
1 12V
>07S
2 12V
JL506
MAIN
3 GND
C534
JL507 BOARD
47
4 GND (7/7)
35V
JL508
CN601
5 AGND
C533
470
35V
CN502
5P
(Page 45)
1 PVDD_GND
>08S
2 PVDD_GND
AMP
3 PVDD_25V
BOARD
4 PVDD_25V (2/2)
CN3004
JL504 5 PVDD_S
R543 R548
3.3k 1k
ET503
(CHASSIS)
R544
10k
R545
33k
C535
10
50V