Printed Wiring Board - Panel Section - Sony HCD-EC50 Service Manual

6-10. PRINTED WIRING BOARD — PANEL SECTION —
A
B
C
D
E
F
G
HCD-EC50
• See page 17 for Circuit Boards Location.
1 2 3
PANEL BOARD
E
(BACK-LIGHT)
E
E
E
E
DISPLAY
FUNCTION
TUNING +
L M
+
DSGX
–
E
E
E
CD E
MECHNISM
DECK
E
DISC 3
:Uses unleaded solder.
4 5
(LIQUID CRYSTAL DISPLAY)
36
1
E
IC701
K K
A
E
TUNER/BAND
CD u
STOP
TUNING –
x
l m
B
C
A
ROTARY ENCODER
VOLUME
E
A/K
K A
E
E
E
E
E
E
DISC 2
DISC 1
27 27
6
7
1 3
1
2
for
CHECK
9
IC703
10
STANDBY
1
PLAY MODE
TUNING MODE
EQ
26
27
MAIN BOARD
D
CNS111
(Page 23)
1
2
SW701 – 706,
SW708 – 716,
SW719 – 721
DISC SKIP/
EX-CHANGE
11
1-868-529-
(11)
HCD-EC50
• 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