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

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Already changed two big STK's and checked resistors . . ..

After replacing the 2 STK's I still have a folding of one side of the screen. At first, both sides were folding in but after tweaking the service menu, a lot, I could get at lease one side to look all right but I still have a severe fold ( I say fold because it looks like someone rolled the picture up on that side). I have attached some Youtube video for an example. I hope it works!

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  • some thing
    some thing Jan 03, 2008

    Hmm.. my fold is not the same as yours.. it only fold at the bottom up.

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Hmm.. my fold is not the same as yours.. it only fold at the bottom up.

Posted on Jan 03, 2008

  • some thing
    some thing Jan 11, 2008

    Sorry.. I was adding it to the solution when it suppose to be "Have same problem".

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Another problem that you want to check with the convergence board when replacing amp I/C's is to check the resistance of the resistors next to and around I/C's as I also had 2 that were very high resistance,like 3.8 meg-ohm,they were resistors rk-50 and rk-54 located on board.They should have been 1.4 ohm and 3.0 ohm,not 3.8 meg-ohm.
did you use the same IC's numbers and did you get OME part and not generic?

Posted on Dec 14, 2007

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1 Answer

I changed my two IC chips and three resistances on my Hitachi TV to fix color alignments. Now the problems is that yellow and blue double image are seen at the bottom of my screen with no much effect on...


Ur tv still have dead resistors parts,test all 12 resistors parts around the 2 STK convergence ICS and changes some more dead resistors parts or changes all 12 resistors parts for sure.If tv still have the same problems after tested and replaces more resistors parts or all 12 resistors parts.Than some how when u handling and replacing the 2 STK convergence ICS and resoldering the 2 STK covergence ICS u short it out the 2 STK convergence ICS by resoldering without proper grounding ur self not to allow for static electricity to kill the 2 STK convergence ICS or u using a soldering iron to high of a wattage for doing soldering ICS work.

Apr 23, 2011 | Hitachi 43FDX01B TV

1 Answer

I have suddenly have a yellow and blue lines outlineing the charactors on screen. Also ghostlike shadowns,


Replace the Convergence ICs there is 2 of them Big black ICs they will have part number on them example STK392-110 .Also Check Pico Fuses in Front and back of ICs they look like resistors but are Green or Yellow 5amp, 6amp, or 7amp Fuses.
Mats Electronics has STK ICs 1-800-628-1118

Jan 11, 2011 | Sony KP-46WT510 46" Rear Projection HDTV

2 Answers

The tv looks like it is in 3d. when i try to adjust the convergiance the plus signs on the left are bent


do not play with this tv replace the stk ic chips and the resistors around the stk chips ,cant miss em about 2 inches big with heat sinks on them.

Sep 11, 2010 | JVC AV-48WP30 48" Rear Projection...

1 Answer

PANASONIC PT-46G40U CONVERGENCE PROBLEM HELP...


Have you checked the bias resistors for Exact Value. They normally change value when the stk's take a dive.

Dec 09, 2009 | Panasonic PT-46G40 46 in. Rear Projection...

1 Answer

I have a convergence problem. My Sony KP-65WS510 has a picture that looks like 3-D and bows at the bottom and top of the screen. I already replaced both the IC's STK 392-560 (2 qty.) and check all six 3.5a...


You have a convergence problem. Here are some of the most common symptoms. 
Screen looks 3D
One or more colors can't be adjusted when using the convergence menu. 
Screen is bowed in but stationary.

Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem. 

>>>Solution<<<< 

You need to replace the convergence chips and convergence resistors. 

Check the site www.TvRepairKits.com. They have put together a kit for your exact model. The kit includes a photo instruction guide, original Sanyo STK chips, convergence resistors, etc. Everything you need to fix it yourself. 


Dec 09, 2008 | Sony KP-57WS510 57" Rear Projection HDTV

1 Answer

Ok, so I Replaced stk-392-110 (2) and......


Check the resistors in the red convergence circuit right next to the Ics you will need to lift one side of the resistor out of circuit to acurately check them but usually one or two resistors will be opened when the ICs go out

May 17, 2008 | Panasonic PT-53TW53 53" Rear Projection...

1 Answer

Convergence


Did you remove 1 leg of each resistor out of circuit when you checked the resistors? sounds like thier is still one resistor open or maybe one of the new IC pins need abit more solder.

Apr 09, 2008 | Panasonic PT-53TW53 53" Rear Projection...

2 Answers

PT-53WX52


Your TV most likely has a Convergence Chip Failure ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem

  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
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2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together convergence repair kits for most models.

The kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, etc. Everything you will need to do the repair yourself.

Dec 02, 2007 | Panasonic PT-53WX52 53" Rear Projection...

1 Answer

Hitachi 65xwx20b convergence


Your message says you "replaced stk392-150", did you replace both of the stk`s or just one of them??? One is for RGB vertical the other is for RGB horizontal, you should always replace both stk`s as a set, Hitachi recommends you use a "replacement kit"
part number X480306", this kit includes both stk`s with a new & supposedly improved set of stk`s as well as all resistors that are required for proper set-up, they strongly recommend you change all of the parts in their kit. The only other thing besides IC`s & resistors that could cause your problem is:
1) bad dcu output (you need a scope to check this)
2) you`ve lost either the +15 volt line or the -15 volt line to the IC`s, "Fxxx" chemical fuse open in power supply.

Dec 01, 2007 | Televison & Video

1 Answer

60"projection TV


Convergence ic's are about to go! Look for loose connection on board first and if no loose conn. Replace IC's these are the big IC's STK-392-***. And there are also resistors along side them that has to be changed also. check for blown fuse too! IN same area.

Aug 15, 2007 | Philips 60PP9202 60" Rear Projection...

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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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