JVC HR-XV1EU-R Service Manual page 55

E-E DOES NOT APPEAR
(THE PICTURE DOES NOT
APPEAR FROM TUNER)
Does normality AU
DIO JACK CONNECT?
YES
Are there the voltage of
MB(5V), PB(5V), TU(32V)
of TU301?
YES
Check the picture.
Is there video signal at
pin 24 of TU301?
YES
Is there video signal at
pin 28 of IC101?
YES
Is there video
waveform at pin 52 of
IC101?
YES
Check pin 15
of IC4501?
YES
Check pin 7 of IC8001.
TROUBLESHOOTING GUIDE
NO
NO
NO
NO
NO
NO
Connection is done over again.
Check POWER BLOCK.
Change TU301.
Change IC101.
Check IC101.
Change IC4501.
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