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8-3-1-3. LCD Part
LCD does not working
LCD back light
working?
Check the LCD
Module (crack,
open, etc)?
Yes
Check
HDC300(crack,op
en, etc)
Yes
Check
F300~302(crack,o
pen, etc)
Yes
Check the
Voltage in C308
≥ 2.7V?
Yes
Check the display setting
(Brightness, backlight, etc)
No
Check U301, related circuit (crack,
open, etc) & Resolder U301, related
No
No
No
No
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
circuit
Change LCD module
Resolder HDC300
Resolder F300~302
Change UCP200
8-9
Level 3 Repair
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