Printed Wiring Board - Main Section (Side B) - Sony HCD-DX170 Service Manual

HCD-DX150/DX170/DX250
6-11. PRINTED WIRING BOARD – MAIN SECTION (SIDE B) –
1
A
(CHASSIS)
B
C
D
E
(CHASSIS)
F
G
H
(CHASSIS)
H
H/P BOARD
CNP803
(Page 50)
HCD-DX150/DX170/DX250
• See page 27 for Circuit Boards Location.
2 3 4
AC
IN
(CHASSIS)
FAN
(CHASSIS)
US,CND,MX
E E
E41,EA,
SP,AUS
US,CND
E41,EA,SP,AUS
US,CND
PC903
US,CND
3
1
IC931
PC901
MAIN TRANSFORMER
US,CND,MX
1
2
4
5
E
SUB TRANSFORMER
IC943
US,CND
170,250
1
8 1
IC921
MX
EXCEPT MX
E
PC902
1
5 IC951
3
1
:Uses unleaded solder.
5 6
SPEAKER
IMPEDANCE USE WOOFER 1.35Ω
FRONT/CENTER/SURROUND 2.7Ω
FRONT R
FRONT L SURR R
SURR L
– – –
–
1 2
E
E E
E E E E E
E
US,CND
IC941
IC942
1 5
5 1 5
IC516
1 3
E
1 3
1 5
IC515
B
(CHASSIS) DMB10
BOARD
CN401
(Page 35)
42 42
7 8 9
CENTER
WOOFER
– –
(CHASSIS)
E
E E E
E
E
(CHASSIS)
DX170/DX250
19 1
18
2
FL BOARD
E
CN801
(Page 50)
(CHASSIS)
• Semiconductor
Location
Ref. No. Location
D101 D-4
D102 D-5
D103 D-6
D104 D-6
D105 D-7
D106 D-8
D107 D-8
D201 D-5
D202 D-5
D203 D-6
D204 D-7
D205 D-7
D206 D-8
D207 D-9
D303 B-9
D304 B-9
D504 H-7
D505 H-6
D506 H-6
D901 D-2
D905 G-2
D906 G-2
D907 G-1
D908 G-2
D909 D-3
D910 H-2
D913 G-2
D921 H-3
D922 H-3
D924 H-2
D931 F-4
D941 H-4
D942 H-4
D943 H-4
D944 H-4
D945 H-5
IC515 H-5
IC516 H-5
IC901 F-1
IC921 H-3
IC931 E-4
IC941 G-5
IC942 G-5
IC943 G-4
IC951 H-4
Q101 B-4
Q102 B-5
Q103 B-5
Q104 B-5
Q105 B-6
Q106 B-6
Q107 B-6
Q108 B-6
Q109 B-7
Q110 B-7
Q111 B-8
Q112 B-8
Q301 C-9
Q302 B-4
Q303 B-4
Q304 B-4
Q901 G-2
Q921 H-2
Q945 H-5