Samsung TP17LT Service Manual page 30

5 Troubleshooting
5-1-19 User Control Failure
Does the DC level change at
Pin 36 of IC201 when you push the
button S/W?
Yes
Check IC201.
5-1-20 Degaussing Failure
Check degaussing connector.
RL601 operation is right?
No
Q601 base input is right?
No
IC201 Pin 4 output is right?
Yes
Done
5-12
No
Check the button.
(SW201 ~ SW204)
Yes
Check D-coil and TH601.
Yes
Check and replace Q601.
No
Check and replace IC201.
TP17LT