Sansui SV3215 LCD, Service Manual

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39
Keypad Board
ZD2
5.6V
ZD1
5.6V
SW2
SOURCE
SW3
MENU
SW4
CH-UP
SW5
CH-DOWN
SW1
POWER-ON
POWER-ON
SOERCE
CH-UP
MENU
CH-DOWN
Title
Size Document Number Rev
Date: Sheet of
GF371-XU
A
KEYPAD PCB
Proview Electronics (Taiwan) Co., LTD.
6F, NO.1, Pau-Sheng Rd., Yung-Ho City,
Taipei County, Taiwan R.O.C.
Tel: 886-2-2231-6789 Fax: 886-2-2232-4613
A
1 1 Friday , September 30, 2005
R1
4.7K
R2
4.7K
R3
4.7K
R4
4.7K
R5
4.7K
J1
CON9
1
2
3
4
5
6
7
8
9
GND
Hous 9P-1.0
C1
0.1uF
VCC
VOL-DOWN
VOL-UP
VCC
SW6
VOL-UP
SW7
VOL-DOWN
R6
4.7K
R7
4.7K
ZD7
5.6V
ZD6
5.6V
ZD5
5.6V
ZD4
5.6V
ZD3
5.6V