47
Main UNIT:
No picture on the display (2)
Does not the picture come out when VHF/UHF is received?
Check +5V_tuner/VCCK/DDRV/AV33/DV33/+3V3SB is applied to
Tuner and U2102 or not.
Is the DIF signal output from pin (10) and pin (11) of TUNER
(TU9101)?
Is the DIF signal sent to pin (58) and pin (59) of IC U2102?
Refer to “The picture doesn't appear in all modes.”
Check each power IC and peripheral components are
correct or not.
Check the tuner and its peripheral circuits. Replace
as required.
Check IC U2102 its peripheral circuits.
NO
NO
NO
YES
YES
YES