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8-3-1-9. Optical Track Pad Part
Optical Track Pad(OTP) does not
work
Check the OTP
connector(HDC30
1)(crack, open,
etc)
Yes
Navigation
function working?
Yes
'Ok' key function
working?
Yes
Check the S/W setting
(OTP sensitivity, key auto
lock, etc)
No
Check U304 (crack, open, etc) & Resolder
No
Check OTP module (crack, open, etc) &
No
Check OTP module (crack, open, etc) &
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Change HDC301
U304
Change OTP module
Change OTP module
8-21
Level 3 Repair
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