Printed Wiring Board - Power Board - (Gx255/Rg170) - Sony HCD-GX255 Service Manual

HCD-GX255/RG170/RG470
6-19. PRINTED WIRING BOARD – POWER Board – (GX255/RG170)
1 2
A
POWER BOARD
B
C
1
(SUFFIX-11)
D
MAIN BOARD J1
CN031
(Page 32)
MAIN BOARD J4
CN031
(Page 36)
13
(SUFFIX-12)
E
F
HCD-GX255/RG170/RG470
• See page 25 for Circuit Boards Location.
3 4
JK441
SPEAKER
IMPEDANCE
USE 6 – 16Ω
R L
+ – + –
(AEP, EE, RU)
(CHASSIS)
3 1
TRANSFORMER
N1
BOARD
CN905
(Page 54)
40
: Uses unleaded solder.
5 6
(AEP, EE, RU)
A
K K
E
E
(AEP, EE, RU)
(AEP, EE, RU)
(EXCEPT AEP, EE, RU)
40
7 8
(AEP, EE, RU)
(EXCEPT AEP, EE, RU)
E
(AEP, EE, RU)
E
E
E E E
• Semiconductor
Ref. No. Location
9
E
E
E
11
1-865-477- (11)
Location
D401 E-4
D441 C-6
D443 B-2
D481 C-6
D483 B-9
IC441 B-7
Q441 C-6
Q442 C-6
Q481 D-8
Q482 D-8
Q483 D-9
Q484 D-9
Q485 C-8
Q486 C-9
Q487 C-9
Q488 C-9
Q489 B-9