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CRT Question My RCA P61926 Projection TV has been unplugged for the last 3 years. I'm about to replace the HV Splitter. If I unhook the anode leads from the splitter will there be a spark? Do CRT's for this TV hold a charge?

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Maybe, be safe. Run a wire with an alligator clip from the screwdriver shaft to the chassis ground while popping the anode off.

Posted on Jul 25, 2009

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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

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Have you check the sleep timer? It could be possible reason why your tv shut off every 30mins. bc the timer was set.

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Is this set a RCA ? You may want to double check the seating of the Anode Lead from the HV Transformer to the HV Slitter, If pulled out
a little arching will occur with-in the Bock and cause premature failure if not corrected. Also make sure that all ground connctions are made from the CRTS to the HV Block if there are any.
Hope this Helps,
Skyassoc

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The High Voltage Splitter is the cause of this and replacing it should fix the problem. Their should not be a shock hazard once power is diconnected. But just incase, ground each of the anode leads from the crts to ground. That should take care of any HV charge from the CRTS. Do make a note of which wire went went where, that is important. When you get the new HV Splitter, you will need to transfer the small board that is mounted on the old Splitter. Again, be aware of where the wires hook up to it and you will be fine.
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Good Day,

Yes, there may help for you yet.

Let me first comment on your posted 4-11-08 comment I like all of us on forum do don't make any $'s, I'm here to help you all.

Repair: Ensure that there is no holes in the HV wire, clean the surface around the anode at CRT, remove replace the cup and re-silicon cup and area.

Good Luck. God Bless.

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Disconnect the lead from the flyback to the splitter. Place the flyback lead securely in a dry glass container and try to power up the set. If it doesnt shutdown the HV Block (splitter) is bad.

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From your description ..actually this is a common problem and no simpley replacing the resistor will not fix it. this chasis has a problem with what is called the high voltage splitter.. there was a number of these made with a defective splitter. RCA HAS ISSUED a service bulliteen for certain models and serial numbers. the board and the splitter is generally replaced. (I just worked on one of these 2 days ago and got and order in for the parts) ......just reread the tech bulliteen.. the spitter which develops a crack is rca part number 258512 the resistor or the part that burnt is resistor a common 27k 1/2 watt 10% carbon resistor

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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 problem.

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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.

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