LG -T370 Service Manual page 76

VPA_2V85
TP603
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]
C606
C607
1u
18p
VCAM_IO_1V8
VCAM_DIG_1V8
R619
VCAM_ANA_2V8
R608
VTOUCH_3V0
R609
VPROX_3V0
LGE Internal Use Only
VDD_IO_1V8
R604
R602
R603
C622
DNI
DNI
CN601
1u
100K
40 1
TP602
39 2
38 3
TP1
37 4
36 5
LCD_LED_CA1
TP2 TP3
35 6
LCD_LED_CA2
34 7
LCD_LED_CA3
TP4
33 8
LCD_LED_CA4
32 9
TP5
LCD_LED_CA5
31 10
30 11
LCD_IFMODE
29 12
LCD_F_RS
28 13
LCD_F_CS_N
27 14
LCD_RST_N
26 15
LCD_F_RD
25 16
LCD_F_WR_N
24 17
LCD_VSYNC_OUT
23 18
22 19
21 20
1u
VA601
TP6
ENBY0036001
GB042-40S-H10-E3000
VBAT
C605
2.2u
R620
0
0
0
0
C609 C608 C619
C611
1u 1u 1u
1u
LCD_RD
LCD_WR_N
LCD_CS_N
LCD_RS
VBAT
LCD_PWM
LCD_ID
C603
LCD_D[03]
2.2u
LCD_D[02]
LCD_D[01]
LCD_D[00]
LCD_D[04]
LCD_D[05]
LCD_D[06]
LCD_D[07]
C601
C602
1u
1u
6
AGND
7
VIN
8
LDOIN
U601
9
LDO4
10
LDO3
11
LDO2
12
LDO1
C610
2.2u
- 76 - Copyright © 01 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
FL601
1 9
INOUT_A1 INOUT_B1
2 8
INOUT_A2 INOUT_B2
3 7
INOUT_A3 INOUT_B3
4 6
INOUT_A4 INOUT_B4
15pF
FL602
1 9
INOUT_A1 INOUT_B1
2 8
INOUT_A2 INOUT_B2
3 7
INOUT_A3 INOUT_B3
4 6
INOUT_A4 INOUT_B4
15pF
FL603
9 1
INOUT_B1 INOUT_A1
8 2
INOUT_B2 INOUT_A2
7 3
INOUT_B3 INOUT_A3
6 4
INOUT_B4 INOUT_A4
15pF
C604
1u
24
VOUT
23
LCD_LED_CA1
LED1
22
LCD_LED_CA2
LED2
21
LCD_LED_CA3
LED3
20
LCD_LED_CA4
LED4
19
LCD_LED_CA5
LED5
18
BACKLIGHT_KEY
LED6
TP7
I2C_SCL
I2C_SDA
LCD_PWM
R611
100K
Only for training and service purposes
LCD_F_RD
LCD_F_WR_N
LCD_F_CS_N
LCD_F_RS
LCD_F_DATA[3]
LCD_F_DATA[2]
LCD_F_DATA[1]
LCD_F_DATA[0]
LCD_F_DATA[4]
LCD_F_DATA[5]
LCD_F_DATA[6]
LCD_F_DATA[7]
LCD_BL_CTRL