LG KG195 Service Manual page 97

6. Repairing
LCM Backlight Circuit
1
ID (LOW)
2
NC
3
VDD (2.8V)
4
RESET
5
D7
6
D6
7
D5
8
D4
9
D3
10
D2
11
D1
12
D0
13
RD
14
WR
15
RS
16
CS
17
K3
18
K2
19
K1
20
A1
21
GND
22
GND
J801
1.77"_QQVGA
LCM-ARIMA-1.77-QQVGA-11
P.4 PWM1_LCM_EN
LGE Internal Use Only
LED3
LED2
VBAT
LED1
C807 C808
33pF_5% 33pF_5%
0508 0508
R801
10K_5%
VBAT
0402R-S
C804
100pF_5%
0402C-S C802
4.7uF_10%_6.3V
0603C-S
- 96 -
GPIO18_LCM_ID P.4
LRSTB
NLD7
NLD6
NLD5
NLD4
NLD3
NLD2
NLD1
NLD0
LRDB
LWRB
LPA0
LCM_MAIN_CS P.4
C806
33pF_5%
0402C-S
C809
33pF_5%
0508
EN
4
VIN
2
VOUT CP
LED1
LED2
3
GND LED3
C805 U801
1uF_10%_10V RT9363
0402C-S RT9363
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
VDD
P.4
P.4
C801
P.4
100nF_10%
P.4
0402C-S
P.4
P.4
P.4
P.4
P.4
P.4
P.4
P.4
6
C803
1uF_10%_16V
0603C-S
5
LED1
7
LED2
8
LED3
1