![background image](http://html.mh-extra.com/html/samsung/sgh-zv40/sgh-zv40_service-manual_1191373046.webp)
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
9-13
9-8. Back Light
No
Replace F703
LCD_DIM = 2.8V?
Back Light does not work
Yes
Yes
No
Set "BACKLIGHT" on "Always ON"
Is "BACKLIGHT" set
"Always ON" in the Menu?
Yes
No
Replace HDC700(LCD Connector)
LCD_DIM = 2.8V?
Yes
Replace the LCD Module
Yes
END
Summary of Contents for SGH-ZV40
Page 32: ...8 PCB Diagrams 8 1 ...
Page 33: ...PCB Diagrams 8 2 ...