Samsung YP-T10 Service Manual page 23

Troubleshooting
4-1-3 TOUCH PAD Does Not Work
Symptom Key press input malfunction or failure
Major Checklist Check if FPC-TOUCH is defective.
TOUCH PAD does not work
Is the SWITCH in the
HOLD OFF position?
Is TOUCH KEY reaction?
Is the TOUCH PAD malfunctioning?
After change TOUCH PAD,
check function
4-6
Yes
Yes
Yes
No
Check the side of the unit to see if it is
Disassemble the unit and check if
No
If the TOUCH is poor, replace the
No
set to HOLD SW ON.
FPC-TOUCH is defective.
TOUCH PAD.
Replace the BOARD
(needs thorough examination).
Samsung Electronics