Samsung NY58J9850WS Service Manual page 70

4. Troubleshooting
Control parts
Touch Keypad is not working properly
Touch control
keypads are not
working properly.
Make sure the Door lock feature
is not turned on .
Make sure the Sabbath feature
is not turned on.
Check whether FPCB is properly
connected to a connector.[CN201]
Replace the display PCB
and ITO glass.
END
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Ok
Ok
Ok
FPCB
No
Touch the Start/Set keypad
for three or more seconds.
Touch the Timer and Clock
No
for three or more seconds
at the same time.
No
Reconnect securely
<Assy display PCB>
Key Connector
(CN201)
<Assy ITO glass>
70
END
END
END