Samsung CB20H42TSXXEC Owner's Instructions Manual page 96

5. Troubleshooting
5-1 No Video (Raster On, No Sound)
Samsung Electronics
Open the IF Pin of Tuner
Measure the
Voltage of Each Pin
of TU01S
Yes
Check IC201S
Pins 2,3
Yes
Check IC201S
Pins 40,49,50
See "No Video"
(Sound OK)
No Check/Replace
No
Check/Replace
See "No Sound"
No
Check/Replace
IC501, IC201S
See "No Sound"
TU01S
IC201S
(Video OK)
(Video OK)
Troubleshooting
5-1