Level 3 Repair
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
8-23
Check the Voltage on C604 =
3.3V
Resolder or Replace the PM500
8-3-9. LCD
LCD is still off after PWR ON
Yes
No
Check the connection of
HDC601
Yes
END
No
Check LCD FPCB
Yes
Check the Voltage on C630
(High: VBAT)
Yes
Yes
Replace LCD
Module
No
Yes
Check U602
No
Check L603
If there is LCD FPCB crack,
replace the LCD FPCB.
Reconnect the HDC601
Check the U602 (crack, open, damaged, etc.)
If there is damage on it,
Resolder or Replace U602
Yes
No
