LG KC780 Service Manual page 117

8. CIRCUIT DIAGRAM
1 2
A
B
C
D
MIC_P
MIC_N
E
F
G
H
1 2
LGE Internal Use Only
3 4 5
B to B , PLUG, 1T, AXT620124
VBAT
VIO_2V62
CN600
G1 G2
1 20
KP_IN(1)
2 19
KP_IN(2)
3 18
KP_IN(3) RPWRON_EN
4 17
KP_IN(4) UART_RX
5 16
KP_OUT(0) UART_TX
6 15
KP_OUT(1) FLIP_OPEN
7 14
KP_OUT(2) KEY_BL
8 13
KP_OUT(3) VMIC
9 12
KP_OUT(4) MIC_N
R631
DNI 10 11
DSR MIC_P
G3 G4
ICVL0505101V150FR
MIC MIC
VMIC
L601 100nH
C601 MIC600
1
C602
DNI 0.1u O
2
C600 27p L602 100nH C615 G1
3
G2
4
0.1u P
SPM0204HE5-PB-3
C603
C606 C604
27p 27p 27p
C605
2.2u
HALL EFFECT S/W
VIO_2V62
VA609
EVLC14S02050
R608 DNI
FLIP_OPEN
C614 U600
C607
0.1u BU52031NVX
0.1u
4 1
VDD OUT
3 2
NC GND
3 4 5
6 7 8 9
TP for M/P
TP600
UART_TX UART_TX
TP601
UART_RX UART_RX
TP602
RPWRON_EN RPWRON_EN
TP603
DSR DSR
KEYPAD
600 601
KP_IN(1:4)
R600 680
KP_IN(1)
604 605
R601 680
KP_IN(2)
608 star
R602 680
KP_IN(3)
609
R603 680
KP_IN(4)
KP_OUT(0:4)
KP_OUT(0)
R604 680
KP_OUT(1)
R605 680
KP_OUT(2)
R606 680
KP_OUT(3)
R607 680
KP_OUT(4)
KEY BACKLIGHT
LEWWS44-E LD600
KEY_BL
R609
R610
LEWWS44-E LD601
6 7 8 9
- 118 -
10 11 12
602 603
AF CAM
AF SHUTTER
606 607
sharp VOL_UP VOL_DN
VBAT
10
10
10 11 12
LGMC
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
A
B
C
D
E
F
G
H