Printed Wiring Boards - Control Section - Sony HCD-C770 Service Manual

HCD-C770/C990
Q Q
3 7 6 3 1 5 1 5 0
• Semiconductor
Location
Ref. No. Location
D801 A-6
D802 A-5
D803 A-4
D804 A-3
D805 A-2
T E
L 1 3 9 4 2 2 9 6 5 1 3
w w w
6-33. PRINTED WIRING BOARDS – CONTROL Section – •
1 2
KEY BOARD (COMPONENT SIDE)
A
S820
(DISC5)
KEY BOARD (CONDUCTOR SIDE)
B
DDCON BOARD
M
CN812
(Page 60)
C
D
VOL BOARD
ROTARY ENCODER
E
VOLUME
3
F
x a o
y
. i
G
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See page 35 for Circuit Boards Location.
3 4
D805, S819 S818 D804, S817 S816
DISC5 DISC4
(DISC4) (DISC3)
CONTROL BOARD (COMPONENT SIDE)
Q Q
3 7 6
CONTROL BOARD (CONDUCTOR SIDE)
1
11
+ PRESET −
(11)
1-685-887-
NEXT PREV
u 1 6 3
SOUND, −
.
S821
FIELD, +
62 62
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2 4
8 9 9
5 6
D803, S815 S814 D802, S813 S812
DISC3 DISC2
(DISC2) (DISC1)
3 1 5 1 5 0 8 9 2
m
c o
DISPLAY
FUNCTION
BAND
2
8 9 9
7
11
(11)
1-685-069-
D801, S811
DISC1
11
(11)
1-685-069-
4 9 8 2 9 9
11
(11)
1-685-068-
N
DDCON BOARD
CN804
(Page 60)
1-685-068-
11
(11)