Schematic Diagram - Control Section - Sony HCD-EP315 Service Manual

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6-9. Schematic Diagram – CONTROL Section –
3 7 6 3 1 5 1 5 0
CONTROL BOARD
A
TO
MAIN
BOARD
CN202
(Page 22)
T E
L 1 3 9 4 2 2 9 6 5 1 3
10UH
B
TO
CD
BOARD
CN101
(Page 19)
w w w
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• See page 16 for Waveforms.
LIQUID
CRYSTAL
DISPLAY
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X x
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VOLUME
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8
IC303
REMOTE
SENSOR
5.2
5.2
I / 1
Q Q
3 7 6 3 1
5.7
8.3
7.6
7.4 5.4
5.4
0
5V REG.
IC302
RESET
c o
.
25 25
2 4
9 9 8
270
270
LED
0
SWITCH
LED
SWITCH
(STANDBY)
0
2.6
2.6
2.6
2.3
5.2
IC301
2.4
5.2
SYSTEM CONTROLLER
5.2
5.1
5.2
5 1 5 0 8 9 2 4 9
0
0.5
0.8
0.5
0
0
0.1
5.2
68K / J
39K / J
RESET
SWITCH
68P
5.2
m
HCD-EP315
2
9 9
BACK LIGHT BOARD
BACK LIGHT
0.1
5.2
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
8 2 2.6 9 9
2.6
2.6
2.6
2.6
2.6
5.2
0
4.8
18P