Samsung TT17J Series Service Manual page 27

5 Troubleshooting
5-1-17 Micom Failure
IC201 Pin 11 input voltage is 5V?
Yes
IC201 Pin 13 and 14 inputs
18
are right?
Yes
IC201 Pin 18 input is right?
Yes
All in/output values are right?
No
Done
5-10
No
Check IC604.
No
Check C202, C203 and X201.
No
Check IC605.
No
Replace IC201.
WAVEFORMS
18 1.00 V (IC201, #13, 14)
CH1 P-P = 1.00 V CH1 RMS = 2.108V
TT17J*