Schematic Diagram - Control Section - Sony HCD-C770 Service Manual

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3 7 6 3 1 5 1 5 0
6-34. SCHEMATIC DIAGRAM – CONTROL Section –
DISC1
S811
R835 R834
220 330
D805
SML-020MDT
DISC5
CN811
12P
R825 R824
820
(Page 61)
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L 1 3 9 4 2 2 9 6 5 1 3
w w w
.
DISC2 DISC3
(DISC1) (DISC2) (DISC3) (DISC4)
S813 S815 S812 S814 S816
R833 R832 R829 R830 R831
470 680 1k 1.5k 2.2k
D804 D803 D802
SML-020MDT SML-020MDT SML-020MDT
DISC4 DISC3 DISC2
R823 R822 R821 R820
820 820 820 820 820
x a o
y
i
http://www.xiaoyu163.com
8
DISC4 DISC5
(DISC5)
S818 S820 S817 S819
R828 R827 R826
4.7k 10k 33k
D801
(Page 61)
SML-020MDT
DISC1
R819 R818 R817 R816
820 820 820 820
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u 1 6 3
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63 63
http://www.xiaoyu163.com
2 4
9 9 8
R873 R837
220 330
CNP808
S821 S822 S823
5P
GND
FIELD,+ SOUND,- DISPLAY
R809 R800
220 330
S804 S802
S805
NEXT
CNP813 CN820
1 5 1 5 0 8 9 2 4
3P 3P
m
c o
HCD-C770/C990
2
9 9
R844 R849 R860
470 680 1k
S824 S825
BAND FUNCTION
R801 R802 R803
470 680 1k
S801
S803
PREV
+ PRESET -
9 8 2 9 9
C800
0.01
ENB
S800
ROTARY
GND
ENCODER
VOLUME
ENA
C801
0.01