4. TROUBLE SHOOTING
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Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
CN900
GB042-24S-H10-E3000
ENBY0034201
13
12
14
11
15
10
16
9
17
8
18
7
19
6
20
5
21
4
22
3
23
2
24
1
ICVL0518400V500FR
ZD904 ZD905 ZD903
IOVCC_LCD_1V8
C904
1u
SFEY0015901
FL901
10
9
8
4
7
3
6
2
5
1
P1
P5
P2
P6
P3
P7
P4
P8
G1
G2
VCC_LCD_2V8
SFEY0016301
FL902
5
6
3
1
4
2
P2
P4
P1
P3
P6
P5
C905
1u
C909
100n
C910
100n
GND
DSI2_LCD_MIPI_D1_N
DSI2_LCD_MIPI_D1_P
DSI2_LCD_MIPI_CLK_P
DSI2_LCD_MIPI_CLK_N
LED_A
LCD_MAKER_ID
LCD_PWM
LCD_RESET_N
DSI2_LCD_MIPI_D0_P
DSI2_LCD_MIPI_D0_N
LED_C2
LED_C1
LCD_VSYNC
revA -> revB : Added
revA -> revB : Added
RevB(GND) -> RevC : Change foe ESD
LED 10EA/2WAY,20mA/EA
4.7qHD LCD CONNECTOR(MIPI)
30 => 24 PIN, PIN MAP Change. +V3P0_L8_LCD delete
VCC_LCD_2.8V(C905)TP1
ICVCC_LCD1.8V(C910)TP2
EMI Filter(TP4)
R923
100K
1u
50V
C906
LM3533TMX-40
U902
EAN62410501
B4
D2
B2
A1
A2
B3
C2
A4
C1
A3
D1
E4
D3
D4
E3
E2
C3
E1
C4
B1
SCL
SW
LVLED1
PWM
LVLED2
LVLED3
LVLED5
HWEN
LVLED4
HVLED2
CPOUT
HVLED1
IN
INT
OVP
C+
C-
SDA
ALS
GND
VSEL_1.8V
1.5K
R901
VBAT
C907
10V
10u
ZD906
EDSY0018601
SDS511Q
L900
TOKO
10u
1239AS-H-100N=P2
R902
1.5K
I2C2_SCL
I2C2_SDA
LED_A
LCD_CP_EN
LCD_PWM
LED_C2
LED_C1
4.7" LCD BACKLIGHT LED BOOST
C15000, C15001 Delete
LCD BL LED_A(C906)TP3