Question about Loewe Aconda ACO9303 30" TV
Replaced the flyback transformer with no success. A clicking noise can definitely be heard at the front where the on/off button is. I checked the 6V fuse and it is fine. Whatever the problem is I will have to repair it myself. I'm capable as long as it's not too involved.
Okay you replaced the flyback but did you check and see if that flyback has the same exact votage and polarity as the old one and they can range by version of TV see many models have diffrent version and yes it can get complicated since you have limited resources on the repair..
Posted on May 15, 2009
On the flyback transformer adjust the pots on the focus block to be in the centre, you can readjust if you get the set going.
Is the clicking noise there as the lights change from red to green and back again?
Check your brown whitman fuses.
Check all areas for dry joints especially near the LOPT.
Check impedance across Q524, if short power supply kit needed.
To check Power supply,Remove chassis, lift two legs of opto coupler (i669) nearest the heat sink, put 1.8K resistor across. Remove L534.
Put light bulb across C651, put mains onto middle two pins of Bridge rectifier (D613) if power supply is good lamp will run forever.
Hope this helps!
Posted on Jun 09, 2009
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Posted on Jan 02, 2017
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