After approx 20 minutes once TV is switched on, the screen distorts with a pin cushion effect - the sides of the picture curve inwards. If the set is left on, the apex of the curves become staggered and the picture that remains, reflects this distortion across the screen. Can you please advise the probable causes and possible cures. I'm an end user with an electronics background presently unable to locate a repair manual.
Yes if you could give me a model #, it is probably a diode shorted in pincushion area, or a capacitor.
Posted on Oct 05, 2007
Yea this is a unique model, you have a leaky capacitor in your pincushion circuit. If I had a picture of it maybe I could point it out.
From what I see in the picture, it looks like you have the same blue caps that the RCA has in it that goes bad. If you look under the red anode lead from your flyback. This is the part that goes to the picture tube. there is a blue looking box type capacitor. These are the caps that goes bad in RCA models. Also you have the gray type right next to it. Look closely at these caps sometimes you can tell which is bad. If the sides are not smoothe, but rounded out and looks like it's about to explode then it maybe bad. Also look for something that may say pin cushion area, I cant tell from the picture. But check and if you find something change it.
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Hi Troy,
Aconda 9381ZW - ART 59401H62
Hi Troy,
Have now obtained a manual for this model, but would still appreciate guidance. Plaese see attached.
Cheers Troy, will give feedback as soon as I can.
Many Thanks
Troy, the set developed another fault - psu due excessive use with pin cushion problem. In the end for swiftness had to call a service engineer. If I'd acted more quickly your solution would have rectified the problem. Caps kept as souveniers.
Kind Regards
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