Only For Training And Service Purposes - LG KP110 Service Manual

LCD Trouble
CIRCUIT
LCD & CHARGE PUMP
MLED
LCD_BACKLIGHT_CTRL
LCD Connector
R223
nLCD_RESET
R226
LCD_SCLK
MLED
MLED2
C231
DNI
Copyright © 2008 LG Electronics. Inc. All right reserved.

Only for training and service purposes

VBAT
C221
1u
ECZH0001215
R216
75K
C225 C241 C226
R219
43K
DNI 1u 27p
MIPG
47
47
VA207
C232 R230
27p 100K
IMSA-9671S-13Y912
EVLC5S0250
SEVY0005201
ENQY0014701
TP3
TP4
4. TROUBLE SHOOTING
U202 AAT3157ITP-T1
5 10
IN C1+
C220
1u
9
C1-
7
C2+
C222
8
CP
1u
6
C2-
11
EN_SET
1
D1
2
D2
3
D3
4 12
GND NC
EUSY0238702
2V8_VEXT
J202
1
2
MIPD
3
4
5
6
7
8
9
10
11
12
13 14
15 C234
C235
1u
27p
TP1
- 51 -
ECCH0004904
ECCH0004904
MLED1
MLED2
C223 C224
27p 27p
MAKER ID Voltage
GP High 2.8V
SHARP Low 0V
R224 47
nLCD_MAIN_CS
R227 47
LCD_SDATA
MLED1
LCD_ID
C236 C237 C238
27p DNI DNI
TP5 TP2
LGE Internal Use Only