Toshiba SDV391U Service Manual page 90

E-E DOES NOT APPEAR
(THE PICTURE DOES NOT
APPEAR FROM TUNER)
Does normality AUDIO JACK
CONNECT?
YES
Are there thevoltage
of +B(5V),TU(32V)
of TU301?
YES
Check the picture.
Is there video signal at
pin 17 of TU301?
YES
Is there video signal
at pin 26 of IC101?
YES
Is there video signal at
pin 19 of IC3001?
YES
Check J8001.
TROUBLESHOOTING GUIDE
NO
NO
NO
NO
NO
Connection is done over again.
Check POWER BLOCK.
E-22
Change TU301.
Change IC101.
Change IC3001.