Only For Training And Service Purposes - LG CU575 Service Manual

3. TECHNICAL BRIEF
SIDE KEY
CON602
R823
5 R821
R822
4
3 R601
2
1
OUT102
VREG_LCD_2.8V
TOUCH_DAT
TOUCH_CLK
TOUCH_ACK
Figure. Keypad Circuit (On switch, Side KEY and Touch key )
LGE Internal Use Only
470
KEY_ROW(0)
470
KEY_ROW(1)
470
KEY_ROW(2)
100ohm
KEY_COL(5)
R103
22
(Shild Flood)
- 42 -
D602
ON_SW_N
RB521S-30
C101
1u
1 18
SCL S9
2 17
_ATTN S8
3 16
GPIO2 XCAP
U1
4 15
GPIO1 GND0
SO2810
5 14
GPIO0 S7
6 13
SHLD S6
Copyright © 2007 LG Electronics. Inc. All right reserved.

Only for training and service purposes

ON_SW
END
END
PM_ON_SW_N