Troubleshooting - Toshiba 21T01F Service Manual

5. Troubleshooting

5-1 No Video (Raster On, No Sound)
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
No
No
Check/Replace
TU01S
Check/Replace
IC201S
See "No Sound"
(Video OK)
Check/Replace
IC501, IC201S
See "No Sound"
(Video OK)
Troubleshooting
5-1