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

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Power out I replaced 2 STK392110's to fix a convergence problem, but may have fried my board in the process. The set powers up and stays on for about 5 min. The red starts creeping in on the left side of the screen then power shuts off. I think I need a new D-board but can't find one anywhere, does anyone have the schematic for the D-board?

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  • 2am steve Mar 05, 2008

    Hey bobbyj

    What do the convergance yolks look like? do they have a number? 4 wires orange & purple?

    Thanks

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Try this, unplug the convergance yolks on the D board. power the unit then go to the convergance menu and reset to default. power down the unit and plug the yolks back in. now try it again.

Posted on Mar 02, 2008

  • Robert Johnson Mar 05, 2008

    yes, the four wire connectors(thin wires) one for each of the yolks. do not remove the four wire red,blue,orange,brown. they are the main deflection yolk (thick wires). the convergance yolk connectors are the ones closest to the convergance amps.

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Replaced Convergence chips, same problem


This set has pico fuses on convergence board and also on G power board, there should be 2 5 amp pico fuses on power board.

If convergence is bad exactly as before double check the power board fuses and check to see if voltage (it is marked!) is there with power board disconnected from chassis..

Steve
3_1_2012_5_47_54_pm.jpg

Mar 01, 2012 | Sony KP-61HS30 TV

Tip

61H70 Common Problems According To Local Repair Shop


No Startup = Check Q404 (2SC5570) and pico fuse F470 (2A)

Dead = Check Q801 (strz4369, 23135015) or replace QA02

Intermittent Reset = Add cotton tape and capacitor (0.47uf) across pin 54 of QA01 and GND (CA61 GND side)

Dead Relay Clicks = Replace zener D878 (9.1V)

HOT Fails Often = Replace C403 (22uf/100V)

Picture Fades Comes Back Blurry = Replace Q510 and Q221

When environment temperature rises above 95 grade F, television goes out of convergence and vertical slowly rises from bottom of screen = Connect capacitor (10pF/50V) between R4013 (Q421 collector) and R4012 (Q421 base). Add insulation tape underneath capacitor as necessary.

Intermittently no blue colour. Distorted lines in picture = Replace Q751 (STK392110)

Rolling picture. No convergence. Red foldover = Replace Q751 (STK392110) and R7726 (1.2R)

No picture. Audio and OSD OK = Check R243 and R244 (22K/0.16W)

Q510 replacement = 2 IC types have been alternately used as Q510.a) TA1316Nb) TA1316AN...The 2 types are not interchangable. When replacement of Q510 is necessary, the original type must be used. Do not use part number listed in the service manual. Use part numbers listed. Q510, type IC: TA1316N - Use P/N: 23000358 Q510, Type IC: TA1316An - Use P/N: 23000584

Dead & Power LED flashes = Check fuse F860 (4A) for O/C, Q801 (STR-Z4369), D862 (NTE552). Also check zener diodes D873 (27V), D875 (9.1V), D877 (27V) and D878 (9.1V).

Hope this helps...Unless you know exactly what is going wrong, sending the chassis to http://www.ptscorp.com would be my advice.

on Jan 22, 2008 | Toshiba 61H70 61" Rear Projection...

1 Answer

Tv screen black, makes a chirping noise


This tv problem are also part the tv Convergence board problems too.The tv convergence board are toally dead have no power voltages activity to the tv convergence board at all.That why u only have chirping sound only.If ur tv convergence board that have some power voltages activity left and have dying parts on the tv Convergence board only.Tv will have picture but have problems R,G,B colors lines mis alignments,have colors shadows pictures or 3D pictures only.The tv convergence board must be repair like replaced 2 STK convergence ICS and some or all it resitors too.Will fix the tv convergence board will fixed the DLP tvs with chirping noises too.The tvs shops will cost u like $300-$350 for parts and labors to fixed the tv convergence board.

Aug 23, 2011 | Philips Magnavox 50ML8105D 50" HDTV DLP TV

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R56wh78 im having a problem.. the tv started the 3d effect so i replaced the convergence board.. and fixed the problem for about 2 days (convergence is still good).. now im having a new problem.. the tv...


The Deflection Power board is the the most likeliest cause of the dead set issue, and that could have also caused the prior issue of convergence board since the deflection board supplies all base voltages for the convergence circuits

Aug 16, 2011 | RCA Televison & Video

1 Answer

My 42" inch fried something


Ur tv still have picture,just have convergence problems wright?This tv is fixable,the tv convergence board have dead 2 STK convergence ICS and some or all of it resistors too.Replaced all these parts on the tv convergence board,will solved the tv convergence picture problems.The shop,will cost u like $300-350 for parts and labors.

Dec 16, 2010 | Mitsubishi WT-42311 42" Rear Projection...

2 Answers

Mitsubishi ws 65819


Ur power board ic converter it dead.
Ur Convergence board is bad going to die to.
Both must change.

Aug 15, 2009 | Mitsubishi WS-65819 TV

1 Answer

Problem after replacing convergence board


Yes, you do need to set up the convergence in order to get the picture geometry correct. the antenna and maybe some other settings will need to be restored through the appropriate user interface screens. You will need your owners manual for a guide.

Jul 12, 2009 | Samsung HCM4215W 42" Rear Projection...

2 Answers

Mitsubishi WT-42313 TV


I found the schematic (downloadable PDF) for $7.99 at http://www.completeservicemanuals.com. Cheapest I found and highly recommended.
The blown fuse was due to a fried convergence IC. There are two of these on the high voltage board; they should be replaced together as a matched set. The bad one had gotten so hot I only had to unsolder three pins -- the rest were already loose!
I found the ICs at http://www.electronic-repair-kits.com, also highly recommended. The correct part for the WT-42313 is STK394-250. Make sure you order a pair and they will send you a matched set.
My set is now operating; I just need to clean the optics and do a convergence alignment.

Sep 01, 2008 | Mitsubishi WT-42313 42" 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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