Printed Wiring Boards - Pwr Amp/Power Section - Sony HCD-HP7 Service Manual

8-10. Printed Wiring Boards — PWR AMP/Power Section —
1 2
PWR TRANS BOARD
A
(US,CND)
B
14
9
C
BOARD
CN401
(Page 33)
PWR AMP BOARD
D
1
1
3
E
E
E
E
IC501
F
• See page 26 for Circuit Boards Location.
3
T901
POWER TRANSFORMER (MAIN)
4 3 2 1
(US,CND,E2,E3,
TW,MX)
13 12 11 10 9 8 7 6 5
1 1 3 1
4
TO
MAIN
G
(CHASSIS)
4
E
E
E
E
1
E
E
3
4
2
1
E
E
E
E
R551
E
C529
C531
C527
L SPEAKER
(IMPEADANCE USE 6-16 )
• : Uses unleaded solder.
4 5
SUB TRANS BOARD
* CN906
(E2,E3,TW)
4P : E2,E3,TW
2P : EXCEPT E2,E3,TW
3
4
*
4 S902
VOLTAGE SELECTOR
120V
3
220V
230-240V
2
5
6
1
1-689-250-
(CHASSIS)
TO
E MAIN
F BOARD
CN404
2 (Page 33)
5
6
R550
12
C528
12
1-689-245-
R
37 37
6 7
(E2,E3,TW)
*
CN905
4P : E2,E3,TW
2P : EXCEPT E2,E3,TW
2
*
(E2,E3,TW)
4
(EXCEPT E2,E3,TW)
3
2
(E2,E3,TW)
(EXCEPT E2,E3,TW)
7
1
(EXCEPT E2,E3,TW)
(E2,E3,TW)
(E2,E3,TW)
T902
POWER TRANSFORMER (SUB)
(E2,E3,TW)
1 2
3 4
(EXCEPT E2,E3,TW,MX)
(MX)
(EXCEPT E2,E3,TW,MX)
(E2,E3,TW,MX)
6
8
3 1
1
2
3
4 1-689-246-
SENSOR (FAN)BOARD
1
2
12
12
1-689-248-
HCD-HP7
• 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
AC IN
D902 C-6
D903 D-6
D904 D-6
D905 D-7
D907 B-2
IC501 F-2
12
Q501 E-2
12 Q502 E-2
Q503 E-1
Q504 E-3
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