LG -T500 Service Manual page 81

CIRCUIT
LCD_F_DATA[0]
LCD_F_DATA[1]
LCD_F_DATA[2]
LCD_F_DATA[3]
LCD_F_DATA[4]
LCD_F_DATA[5]
LCD_F_DATA[6]
LCD_F_DATA[7]
FM_LNA_EN
VCAM_DIG_1V8
LGE Internal Use Only
VPA_2V85
VDD_IO_1V8
C611 C612
1u 1u
LCD_CS_N
LCD_RS
LCD_WR_N
LCD_D[00]
LCD_D[01]
LCD_D[02]
LCD_D[03]
LCD_D[04]
LCD_D[05]
LCD_D[06]
LCD_D[07]
VBAT
VCAM_ANA_2V8
C604
R604
0 R605
2.2u
0
6
7
8
9
10
11
12
C607 C608 C609 C610
1u 1u 1u 2.2u
VDD_IO_1V8
R612
100K
CN601
40 1
39 2
38 3
37 4
TP1
36 5
35 6 TP
34 7
TP3
33 8
TP4
32 9
TP5
31 10
30 11
29 12
28 13
27 14
26 15
25 16
24 17
23 18
22 19
TP6
21 20
VA601
ENBY0036001
GB042-40S-H10-E3000
15pF
LCD_F_CS_N
INOUT_A4 INOUT_B4
4 6
LCD_F_RS
INOUT_A3 INOUT_B3
3 7
LCD_F_WR_N
INOUT_A2 INOUT_B2
2 8
INOUT_A1 INOUT_B1
1 9
FL601
15pF
LCD_F_DATA[0]
INOUT_A4 INOUT_B4
4 6
LCD_F_DATA[1]
INOUT_A3 INOUT_B3
3 7
LCD_F_DATA[2]
INOUT_A2 INOUT_B2
2 8
LCD_F_DATA[3]
INOUT_A1 INOUT_B1
1 9
FL602
FL603
1 9
LCD_F_DATA[4]
INOUT_A1 INOUT_B1
2 8
LCD_F_DATA[5]
INOUT_A2 INOUT_B2
3 7
LCD_F_DATA[6]
INOUT_A3 INOUT_B3
4 6
LCD_F_DATA[7]
INOUT_A4 INOUT_B4
15pF
C601
C602
1u
1u
C603
1u
24
AGND VOUT
23
VIN LED1
22
LDOIN LED2
U601
21
LDO4 LED3
20
LDO3 LED4
19
LDO2 LED5
18
LDO1 LED6
I2C_SCL
I2C_SDA
LCD_PWM
- 81 - Copyright © 011 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
VBAT
LCD_PWM
LCD_MAKER_ID
LCD_LED_CA1
LCD_LED_CA2
C605
LCD_LED_CA3
2.2u
LCD_LED_CA4
LCD_LED_CA5
LCD_IFMODE
LCD_F_RS
LCD_F_CS_N
LCD_RST_N
LCD_F_WR_N
TP606
LCD_VSYNC_OUT
LCD_LED_CA1
LCD_LED_CA2
LCD_LED_CA3
LCD_LED_CA4
LCD_LED_CA5
TP7
LCD_BL_CTRL
R606
100K
Only for training and service purposes