Question about Panasonic PT-53TW53 53" Rear Projection HDTV-Ready Television

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Screen projection problems

Hi,
I have a Panasonic TX-56P800H 142cm rear projection tv. I bought it new 3 years ago and in winter it has always had a problem displaying an image first thing in the moring when its cold i guess?? but I could fix it with a slap on the top of the screen. Now three years on I'm abusing the poor televsion and it struggles to flash on for me.
Does anyone think that it needs a new bulb? Please help?

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I think its not necessary to replace the bulb, based on what you have said that the T.V will work when you slap it on the top of the screen. the problem i guess is there is cold solder or loss connection on the CRT board or somewhere in the video or chroma section...

Posted on Aug 11, 2008

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Posted on Jan 02, 2017

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Hi, I have a Panasonic TX-56P800H rear projection


Hi John,

I've checked my collection of Panasonic Service manual to verify the location of the parts you've mentioned but I don't have a copy of this model yet. Only www.manualzone.com have the service manual and schematic diagram.
Most of the arching are came from the high voltage's leakage from flyback transformer and/or in the ballast board high voltage transformer. If it is originated near to the said transformers, high chance that the arching is not came from the resistor itself but on the transformer. If this is the case, the only solution is to replace the flyback or the entire ballast board. Please make some necessary safety precaution handling this kind of symptoms because it is a high voltage leakage that can cause injuries with simple mistake only. You can pinpoint where the exact origin of the leakage/arching by powering on the unit in the dark room, you can easily see where the arc came from in the dark.
Please let me know if you need further assistance.
Have a nice day!
Best Regards,
Jdvillanueva

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The problem is usually he 2 convergence i.c.s.
Breaking down under extreme heat. My fix after replacing these
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Has anyone had problems with connecting an 'HDMI to HDMI + SPDIF + RCA L / R Audio Extractor Converter (HDMI input,HDMI+ Audio output)' to a Panasonic PT-53TW53? I have a TiVo Premiere hooked up to my Panasonic PT-53TW53. I use the HDMI out, and RCA R+L outputs on the TiVo, and hook up to the digital in connections on the TV. The conversion of the HDMI out is via an HDMI to DVI cable. This has worked perfectly for years, but recently I wanted to disconnect the TiVo and replace with my Roku or Amazon Fire TV. Both have a single HDMI output. So I purchased an AGPtek HDMI to HDMI + SPDIF + RCA L / R Audio Extractor Converter (HDMI input, HDMI+ Audio output) box, hooking up the HDMI output from the Roku or Fire TV to the input on the extractor/converter, and simply disconnecting the HDMI to DVI and RCA R+L outputs from the TiVo, and plugging them into the outputs on the converter/extractor. The converter/extractor has a 3 position switch: PASS, 2CH audio, or 5.1CH (via and SPDIF or Toslink cable). I have had 2 of these converter/extractors, and with both the Roku and Fire TV I got the same results with both converter/extractors: With the switch on 2CH, which is where I understand I should get HDMI video and 2CH RCA audio, all I get is the RCA audio. No video. If I switch to PASS I get video with no audio. Of course on the 5.1 setting I get nothing, since the TV does not support SPDIF. Yet I see reviews all over Amazon indicating folks are using this converter/extractor for this very purpose, and it is working fine. I can't possibly imagine that it is some sort of incompatibility issue with the TV, since the TiVo has worked (and continues to) fine for years. Any ideas?

Feb 28, 2017 | Panasonic PT-53TW53 53" Rear Projection...

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