Menu Key Circuit Diagram - LG DP271, DP271B, LPA-837 Service Manual

8. MENU KEY CIRCUIT DIAGRAM

MAIN BOARD <-> MENU KEY
J7A1 J7A1
CON3 CON3
1
2
3
J7A2 J7A2
CON2 CON2
1
2
MENU KEY <-> FRONT KEY
R7A2 R7A2
R7A1 R7A1
1.5K 1% 1.5K 1%
1.2K 1% 1.2K 1%
R7B0 R7B0 R7B1 R7B1
R7A9 R7A9
8.2K 1% 8.2K 1% 15K 1% 15K 1%
13K 1% 13K 1%
R7A3 R7A3
R7A4 R7A4 R7A5 R7A5
2K 1% 2K 1%
3K 1% 3K 1% 4.7K 1% 4.7K 1%
R7B2 R7B2
39K 1% 39K 1%
3-47 3-48
R7A6 R7A6 R7A7 R7A7 R7A8 R7A8
8.2K 1% 8.2K 1% 15K 1% 15K 1% 39K 1% 39K 1%
LCD S/W
LG & MALATA LG & MALATA LG & MALATA
Document Number Document Number Document Number
10.MENU KEY 10.MENU KEY 10.MENU KEY
Monday, January 15, 2007 Monday, January 15, 2007 Monday, January 15, 2007
REED S/W