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Re: rca 52" projection tv 3 flashing lights, then powers...
If you see the flyback. That has a large red wire resembling a sparkplug wire. That wire goes into the splitter. There will be 3 more red wires coming from the splitter going to the CRTs. Just take the one wire that goes from the flyback and place that in the glass jar. Now some models have the splitter built into the flyback if thats your vase scenario you will need to replace the flyback. No way to test that properly unless you have a ringer to test it with. let me know how you make out.
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If the deflection power board was changed with a known good one . then the HV splitter block would be suspect then followed by a bad CRT next. I would try removing one CRT drive board at a time by letting it hang free wires attached then trying to power up the set if it doesnt power up then try one of the other crt drive boards after reattaching the one you previously unhooked. If the set powers up if any certain CRT board is removed you will know the problem is that CRT. If it doesnt power up then its most likely the HV splitter. You can get replacement CRTs, boards and HV splitters that have warranties from www.tvrepairworld.com
Unplug High voltage lead from HV splitter. This is a red wire going from HV transformer to similar (white plastic) device located up front, between picture tubes. Disconnect the one which is coming in, by strong energetic pull down with pliers. Leave those which go to picture tubs in. Make sure that disconnected wire is far from other components or metal parts (high voltage - SEVERAL INCHES SPARK CAN OCCUR) Turn the unit on - if different than 3 blinks - the splitter is your problem.
HV splitter and flyback are common failure items. Remove the HV lead from the HV splitter that comes from the flyback, Place that into a dry glass jar secured so it doesnt come out. Then try powering up the set if the set powers up without shutting down the splitter is bad.
Most times this symtom is because the HV transformer (flyback) has failed. This part is LL008 on the deflection bd. and unfortunately this deflection bd is no longer available and the transformer must be replaced. It is possible that the HV splitter would be bad and that should be eliminated first. Unless you under stand HV and this process I would suggest that you will need a qualified service professional.
PS52690 52" projection TV
(CTC188 series) that won't power up. From what I have read here and
other places, the most common cause of this is the HV splitter.
Actually, when the unit was 3 years old, the HV splitter went out and
had to be replaced but it was under warranty at the time. I have found
that the part I need is 205064 and runs around $40-$70 A post in another thread said
that you could test to see if the HV splitter is really the problem by
disconnecting the HV anode (big red wire) from the flyback (not the
splitter since that will arc), plug the TV in, power it up, and if the
power stays on and you hear sound, replace the HV splitter to fix the
The T.V. has no lamp, it has 3 guns red,blue,& green. Unplug the lead that goes to the high voltage splitter(make sure t.v. is unplug). Then turn the t.v. back on if you hear the H.V. lead making a hissing sound continuously most likely the h.v. block needs to be replaced. Follow the lead from the flyback to the h.v. splitter, this will be the lead that unplugs at the splitter.