Question about Proscan PS60690 60" Rear Projection Television

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Tv won't turn on

I am having the same problem as a few other people, my 60" proscan model # ps60690 chasis # ptk188ac will not turn on. the power button in the front lights up three times but nothing happens. can someone please help me if you have any info at all thank you very much

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Usually this problem is caused by part failure on circuit board. Most often in power supply or deflection circuit. You will need test equip. and soldering/desoldering tools to fix this set. Most repair services charge 275.00-475.00 to do this repair on a PS60690. Crate is removable by removing rear cover, disconnecting spk. plugs and keyboard plug. Loosen two screws and whole thing slides out. This can save you service call fee.

Posted on May 19, 2008


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Posted on Jan 02, 2017


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I have read on this forum that for the Proscan 60690 Chasis # PTK 188AC, the HV Splitter part # is 205064 and can be easily purchased on eBay for around $20.- $25.

Sep 28, 2007 | Proscan PS60690 60" Rear Projection...

1 Answer

Proscan not turning on

Actually, the set has the PTK188AC chassis. This is a very uncommon chassis. The most common reason for the set not starting in that chassis is a shorted high voltage splitter. That is the large black box inside the set that has 5 thick red wires in it. When the set is turned on, the computer senses the short in the high voltage circuits and immediately shuts the set back off. When the set is on, that box has dangerously high voltage in it so it should only be replaced by a qualified tech familiar with the high voltage splitters in RCA projection sets.

Aug 28, 2007 | Proscan PS60690 60" Rear Projection...

1 Answer

Proscan 60 inch

You can get ahold of PTS Corp to get the board rebuilt, how do you know the transformer is bad? Sometimes the HV distribution block shorts out. Can you hear the HV "Squeak" 3 times when you press power, if so probably bad transformer. The whole board wont be available new, might be able to pick up a rebuilt one, will have to be careful with the HV leads.

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Most likly this set has two or maybe trhee problems .. first one sounds like a main power filter is open or the main power supply is at fault. the second coulkd be related or the cause of the first problem and could be shorted convergence ICs. the third could be a bad flyback transformer and good luck if thats the problem.. if the sets 10 years + in age, i would think very seriously into investing much to get this one going again.

Sep 11, 2006 | Proscan PS60690 60" Rear Projection...

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Proscan PS60690 1st turns off then on by itself. Then 3 on-off cy I've had this exact problem twice. The 1st time I replaced the RCA part number 205064, which I believe is called the HV splitter. I used a generic non RCA part. The TV worked great for several months but went out again and it has been broken for 2 years. I finally ordered the new true RCA part number 205064 HV splitter. The TV, again seemed to be fixed, and what I a beautiful picture it had through our cable box. But, no happy ending at this point. It worked for a couple of days and then turned off and back on while my wife was watching it a few minutyes ago. It cycled off then back on twice in a 3 minute period so with the picture showing and tv still on she went ahead and turned it off. This is how the problem began several years ago the 1st time it went out. I don't want to turn it back on anymore in case the brand new HV Splitter is still OK. Does anyone know what other parts may be going out, causing the HV splitters to go bad and start shorting out. I know the HV spitters have been an ongoing problem with these sets, but since I just put a brand new RCA one in only 2 days ago I'm wondering if something else goes out first and causes the splitter to go bad after a period of time. I would appreciate any help. I can't afford a new set right now and the picture looks so great on this set using a cable box I feel it's definately worth fixing. ps Could missing o-rings cause this? I've never seen the o-rings. Even the first time I replaced the HV Splitter. Thanks

Feb 28, 2017 | Proscan PS60690 60" Rear Projection...

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