LG -P715 Service Manual page 121

Test Points from Schematics
FL5002
1
LCD_MIPI_D0_N P1
2
LCD_MIPI_D0_P
P2
3
LCD_MIPI_D1_N P3
4
LCD_MIPI_D1_P
P4
FL5004
LCD_MIPI_CLK_N
P2
LCD_MIPI_CLK_P
1 P1
2
LCD_BL_I2C_SCL
LCD_BL_I2C_SDA
LCD_BL_EN
LCD_PWM
LGE Internal Use Only
FL5002
5
P5
6
P6
7
P7
8
P8
FL5004
5
P4
LED_C
P3 3
LED_A
4
4.3" WVGA MIPI 2Lane
+VPWR
VREG_MSME_1.8V
C5009
10u
X5R, 20%, 10V
D5008 D5009
DNI DNI
LCD BACKLIGHT LED Boost
CN5002
TP1
24 1
23 2
22 3
21 4
20 5
19 6
18 7
17 8
16 9
15 10
14 11
13 12
C5007
10u
L5001 D5003
10u
C3 D2
IN OVP
A2
U5001
SCL
A1
SDA
C2
HWEN
B2
N/A_1
B1 D3
PWM ILED
D1 C1
N/A_3 N/A_2
- 121 - Copyright © 2013 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
VREG_LCD_2.8V
TP2
VREG_MSME_1.8V
TP4
LCD_RESET_N
LCD_MAKERID
TP5001
TP5 LCD_PWM
C5008
ZD5001
10u
ZD5002 ZD5003
DNI DNI
TP3
C5010
1u
X5R, 10%, 50V
Only for training and service purposes
LED_A
LED_C