Sony HCD-EC50 - 6-10. PRINTED WIRING BOARD PANEL SECTION

2727
HCD-EC50
HCD-EC50
6-10. PRINTED WIRING BOARD — PANEL SECTION —
• See page 17 for Circuit Boards Location. :Uses unleaded solder.
IC703
IC701
MAIN BOARD
CNS111
(Page 23)
D
(BACK-LIGHT)
E
E
E
E
E
E
K
K
A
E
36
(LIQUID CRYSTAL DISPLAY)
11
1
9
10
2
3
E
E
E
E
E
E
E
E
E
E
E
E
K
A
A/K
B
A
C
27
1
2
26
1-868-529-
11
(11)
+
–
DISPLAY
FUNCTION
TUNER/BAND
ROTARY ENCODER
VOLUME
TUNING +
L M
TUNING –
l m
CD u
1
STANDBY
DSGX
STOP
x
DISC 2
DISC 3
DISC 1
CD
MECHNISM
DECK
PLAY MODE
TUNING MODE
DISC SKIP/
EX-CHANGE
EQ
SW719 – 721
SW708 – 716,
SW701 – 706,
for
CHECK
PANEL BOARD
12
A
B
C
D
E
G
F
3456
7
• Semiconductor
Location
Ref. No. Location
D701 B-3
D702 B-3
D703 F-5
IC701 B-5
IC703 B-6
LED701 B-3
LED702 B-7
Q661 G-5
Q662 G-5
Q663 G-5
Q664 G-5
Q665 G-3
Q666 G-3
Q667 G-3
Q668 G-3
Q669 F-3
Q670 F-3
Q671 F-3
Q672 F-3
Q701 C-3
Q702 C-3
Q703 C-3
Q704 B-3
Q705 B-3
Q706 B-3
Q707 B-3