HCD-C770/C990
64
64
7-33. PRINTED WIRING BOARDS – CONTROL Section –
•
See page 37 for Circuit Boards Location.
DISC5
D805, S819
S820
DISC4
D804, S817
S818
(DISC5)
(DISC4)
DISC3
D803, S815
S816
(DISC3)
DISC2
D802, S813
S814
(DISC2)
DISC1
D801, S811
S812
(DISC1)
M
DDCON BOARD
CN812
1-685-068-
PRESET
−
+
NEXT
PREV
SOUND,
−
FIELD,
+
S821
DISPLAY
BAND
FUNCTION
N
DDCON BOARD
CN804
ROTARY ENCODER
1
3
VOLUME
(COMPONENT SIDE)
KEY BOARD
(CONDUCTOR SIDE)
KEY BOARD
(COMPONENT SIDE)
VOL BOARD
1-685-069-
11
(11)
1-685-069-
11
(11)
CONTROL BOARD
1-685-068-
11
(11)
11
(11)
A
B
C
D
E
F
G
1
2
3
4
5
6
7
1-685-887-
11
(11)
CONTROL BOARD
(CONDUCTOR SIDE)
• Semiconductor
Location
Ref. No.
Location
D801
A-6
D802
A-5
D803
A-4
D804
A-3
D805
A-2
(Page 62)
(Page 62)