Schematic Diagram - Control Section - Sony HCD-EP313 Service Manual

6-9. Schematic Diagram – CONTROL Section –
CONTROL BOARD
A
TO
MAIN
BOARD
CN202
(Page 22)
10UH
B
TO
CD
BOARD
CN101
(Page 19)
• See page 16 for Waveforms.
LIQUID
CRYSTAL
DISPLAY
m M
X x
. >
VOLUME
IC303
REMOTE
SENSOR
5.2
5.2
I / 1
5.7
8.3
7.6
7.4 5.4
5.4
0
5V REG.
IC302
RESET
25 25
270
270
0.1
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
0
0.5
0.8
0.5
0
0
0.1
5.2
18P
68K / J
39K / J
RESET
SWITCH
68P
5.2
HCD-EP313
BACK LIGHT BOARD
BACK LIGHT
5.2
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
5.2
0
4.8