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

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Which IC controls the blue convergence

Recently changed the IC's, had convergence adjusted fine. Now blue will not move up or down, moved side to side OK. Going to trouble shoot my soldering, need to know which IC controls the blue. TIA for help.


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  • Panasonic Master
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Usually the second IC controls blue example if the two ICs are IC6001 and the other is IC602. 602 would usually control blue the first IC will almost always control red.

Posted on Apr 08, 2008

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My screen looks like its 3D.


Your tv has a problem with the convergence, adjust it using the original remote go to the setting's menu then go to the convergence section. Adjust the convergence color red and blue the green color is your guide you cannot move this green color, then you should move the red and the blue in all direction left to right, up and down. If you cannot move the red and the blue far enough the convergence IC is defective it must be replace in order to align this convergence. Feel free to send feed back good day and best regards.

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My red convergence won't move side to side only up and down what do i do? the blue moves up down and side to side, i noticed this when the picture as we were watching it decided to turn 3d, so i tried to...


Most of these Philips sets use two STK-392-120 convergence IC chips; if you can locate them inside look at all the little blue resistors to the left and front of them---these are feedback (protect) parts---if any of them are discolored in the middle--not powder blue but somewhat white in the middle---you have a bad ic and both need to be replaced---most of the protect resistors are 6.8 ohm in value. If this has been helpful give me a vote.

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if this is a rear projection crt type set go into the customer menu and select CONVERGENCE--if either blue or red will not move up and down--you have a bad convergence IC---most sets use two of them.

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1 Answer

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yea , sorry that( 10b ) was the closest(to 01b) I could find(free), but on page 91 of the manual it shows the convergence IC's and it has an initial for each color and if it is the horizontal or vertical ( RH,RV, ect..)and on the RH line is where you are going to look for a bad resisitor or a protection fuse , but you should replace the IC's since they are being subjected to this problem and plus they may be at the end of thier life and resistors may be loosing thier values
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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

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1 Answer

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Convergence amp ICs need replacing and quite possibly the resisors that power the IC as they usually burn open when the iC goes out. You will need two ICs. Let me know if you need any more info.

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1 Answer

Blue Convergence


Blue convergence IC is bad, but change both as red wont be far behind they are cheap about 10.00 ea at the following link.
http://electronix.com/

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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?

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