Sony HCD-EP313 - Schematic Diagram - CONTROL Section

2525
HCD-EP313
6-9. Schematic Diagram – CONTROL Section –
• See page 16 for Waveforms.
RESET
SWITCH
5.4
5.6
5.6
0
5.7
5.2
0.1
0
0
0.5
0.8
0.5
5.2
5.1
5.2
5.2
2.4
5.2
2.3
2.6
2.6
2.6
0
5.2
5.2
0
0.1
0
5.4
4.8
0
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
5.2
2.6
5.2
0
7.6
8.3
7.4
5.4
0 0.3
5.2 2.2
2.8
2.2 2.5
0
2.6 2.6 5.2 2.4 5.3 0.1 3.4 5.3 5.3
0 0
0.1
0.6 2.6 2.6 2.6 2.6 2.6
5.1
0 0 0 0 0 0 0
5.3
5.6
5.1
270
270
18P
68K / J
39K / J
68P
18P
LIQUID
CRYSTAL
DISPLAY
IC303
REMOTE
SENSOR
LED
SWITCH
LED
SWITCH
(STANDBY)
IC301
SYSTEM CONTROLLER
VOLUME
CONTROL BOARD
BACK LIGHT BOARD
10UH
DISPLAY
m
x
.
X
>
M
TO
MAIN
BOARD
CN202
(Page 22)
A
TO
CD
BOARD
CN101
(Page 19)
B
IC302
RESET
5V REG.
I / 1
BACK LIGHT