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LCD FPCB(8.9" LGD)
GB042-30P (To LCD)
VDD_3V3
VDD_3V3_2
CN1
1
30
TXOUT_3P
2
29
TXOUT_3N
3
28
4
27
TXCLK_P
5
26
TXCLK_N
6
25
7
24
TXOUT_2P
8
23
TXOUT_2N
9
22
10
21
TXOUT_1P
11
20
TXOUT_1N
12
19
13
18
TXOUT_0P
14
17
TXOUT_0N
15
16
LGE Internal Use Only
GB042-30S (To main)
VDD_3V3
VDD_3V3_2
VDD_WLED
CN2
VDD_WLED
1
30
TXOUT_3P
2
29
TXOUT_3N
3
28
4
27
TXCLK_P
5
26
TXCLK_N
6
25
7
24
TXOUT_2P
8
23
TXOUT_2N
9
22
10
21
TXOUT_1P
11
20
TXOUT_1N
12
19
WLED1
13
18
TXOUT_0P
WLED2
14
17
TXOUT_0N
WLED3
15
16
WLED4
Speaker, Ambient Sensor, Privacy LED, OnKey
20 Pin Connector(Header)
V_LDO0_3V3
AMBIENT_3V3
CN1601
1
20
2
19
3
18
4
17
5
16
6
15
LED_RED
7
14
LED_GREEN
8
13
LED_BLUE
9
12
10
11
GB042-20P-H10-E3000
Indicator LED
WLED1
WLED2
WLED3
WLED4
V_LDO0_3V3
LD1300
LED_RED
LED_GREEN
LED_BLUE
- 172 -
Ambient Light Sensor
AMBIENT_3V3
AMBIENT_3V3
U1600
BH1721FVC
ONKEY_N
1
5
VCC
SCL
2
GND
AMBIENT_RST
3
4
SENSOR_I2C_SDA
SDA
DVI
SENSOR_I2C_SDA
C1602
SENSOR_I2C_SCL
1u
ONKEY (SLEEP/RESUME)
ONKEY_N
Copyright © 2011 LG Electronics. Inc. All right reserved.
7. CIRCUIT DIAGRAM
SENSOR_I2C_SCL
AMBIENT_RST
Only for training and service purposes
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Troubleshooting
