![](/jointfilesconvert/438007/bge.png)
GTC Service Manual
ASUS Proprietary 14
華
華
碩
碩
電
電
腦
腦
4
44
4.3
.3 .3
.3 Display Test
Display TestDisplay Test
Display Test
The test item will focus LCM interface and backlight. If result is fail
please check below item.
A. VIO_LCD 1.8V,
R143 both side.
B. LCD_VSYNC
LCD_HSYNC
LCD_PCLK video clock,
C238Pin1、C239Pin1、R111 both side on soldering issue.
C. If the main screen backlight wasn’t executed, we can check below
items on the LCD_PCB auxiliary board.
(LED_V+) 12.1V
MAIN_BL_EN 1.8V
If something wrong with the result which we found, please check U1
peripheral components and circuit.
D. If the secondary screen backlight wasn’t executed, we can check
below items on the LCD_PCB auxiliary board.
LED_V+ 6.2V
SUB_BL_EN 1.8V
If something wrong with the result which we found, please check U1
peripheral components and circuit.
Figure 7. Backlight Driver Circuit ( On LCD_PCB board)
Comments to this Manuals