Toshiba SD-25VLSR Service Manual page 78

E-E DOES NOT APPEAR
(THE PICTURE DOES NOT
APPEAR FROM TUNER)
Does normality AUDIO JACK
CONNECT?
YES
Are there thevoltage
of MB(5V) and
TU(32V) of TU301?
YES
Check the picture.
Is there video signal at
pin 19 of TU301?
YES
Is there video signal
at pin 29 of IC101?
YES
Is there video signal at
pin 52 of IC3001?
YES
Check IC8001 and J8001.
TROUBLESHOOTING GUIDE
NO
NO
NO
NO
NO
E-22
Connection is done over again.
Check POWER BLOCK.
Change TU301.
Change IC101.
Change IC3001.