Printed Wiring Boards - Pwr Amp/Power Section - Sony HCD-HP8V Service Manual

8-14. Printed Wiring Boards — PWR AMP/Power Section —
1 2
PWR TRANS BOARD
A
B
C
PWR AMP BOARD
D
1
1
3
E
E
E
E
IC501
F
• See page 28 for Circuit Boards Location.
3
T901
POWER TRANSFORMER (MAIN)
4 3 2 1
EXCEPT TH
14 13 12 11 10 9 8 7 6
9 1 4 1 3 1
TO
MAIN
G
BOARD
CN401
(Page 41)
(CHASSIS)
4
E
E
2
1
E
E
E
E
R551
E
C529
C531
C527
(IMPEADANCE USE 6-16 )
• : Uses unleaded solder.
4 5
SUB TRANS BOARD
CN906
EXCEPT TH
4P : EXCEPT TH
2P : TH
*
S902
4
VOLTAGE SELECTOR
120V
3
220V
230-240V
2
1
5
1-689-250-
(CHASSIS)
E
E
TO
MAIN
E
F BOARD
CN404
1 2
(Page 41)
E
E
3 5
6
4
R550
12
C528
12
1-689-245-
L SPEAKER R
45 45
6
EXCEPT TH
* CN905
4P : EXCEPT TH
3
2P : TH
4 2
*
EXCEPT TH
4
TH
3
2
EXCEPT TH
TH
5 7
6
1
EXCEPT TH TH
EXCEPT TH
T902
POWER TRANSFORMER (SUB)
EXCEPT TH
1 2 3
4
TH
TH
EXCEPT TH
8 6
3
1
3
4
SENSOR (FAN)BOARD
1
2
12
12
1-689-248-
HCD-HP8V
7
• Semiconductor
Location
Ref. No. Location
D501 D-2
D502 E-2
D503 E-1
D504 E-2
D505 E-4
D506 E-4
D507 F-4
D508 F-4
D509 E-4
D901 C-6
D902 C-6
AC IN D903 D-6
D904 D-6
D905 D-7
D907 B-2
IC501 F-2
1
Q501 E-2
Q502 E-2
12
Q503 E-1
2
Q504 E-3
1-689-246- 12
Q505 F-3
Q506 E-3
Q507 E-4
Q508 E-4
Q509 D-3
Q510 D-4
Q511 D-3
Q512 E-4
Q513 E-4
Q514 E-3
Q515 E-3