![background image](http://html.mh-extra.com/html/sony/hcd-ec50/hcd-ec50_service-manual_420637027.webp)
27
27
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)
1
1
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
1
2
A
B
C
D
E
G
F
3
4
5
6
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
Summary of Contents for HCD-EC50
Page 77: ...25 HCD EC50 MEMO ...