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 tv is a magnavox and we bought it about 3 years ago and it is now showing like a double picture the color is hazy and pinkish looking the model is 51MP392H/17


The problem of your unit is the convergence. Try to adjust it using the original remote control in the setting menu, then goto the convergence section adjust the red and blue convergence, you should move red and blue UP, DOWN and LEFT or RIGHT, if you cannot move them far enough the convergence IC is defective, replacing this IC will restore the original setting of your tv. This convergence IC is attach to a large aluminum plate it is the heat sink this IC has a marking of STK-#### followed by numbers, remember be careful when replacing this IC you may accidentally tampered or damage the PCB and cause much damage to your unit. Or you can contact a technician to do it for you and save you from stress good day and best regards. Try to check this link for the convergence http://www.google.com.ph/search?q=convergence+ic&hl=tl&sa=X&tbm=isch&prmd=ivns&bav=on.2,or.r_gc.r_pw.&biw=798&bih=472&ech=1&psi=JZdtTvDCPIe4iAe72sTABA.1315804977740.3&emsg=NCSR&noj=1&ei=MpdtTpa4OKKSiQfBpcjGBA

Sep 12, 2011 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

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.

Aug 14, 2011 | RCA HD56W66 56" HDTV

1 Answer

Color blue will not adjust on crt color conergence adjustment , picture on tv is double with blue on right side, auto/manual mode , the color blue will not adjust on right or middle side from side to side,...


This is a convergence output IC problem. convergence board would have to be removed - remove and replace 2 STK IC's and check the surrounding resistors. Shops usually charge between $200-$300

Sep 27, 2009 | JVC AV-56WP74 56" Rear Projection...

1 Answer

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.

Aug 14, 2009 | Philips 60PW9363 60" Rear Projection...

1 Answer

Cant get icns lined up can adjust side to side but


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.

Aug 07, 2009 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

Toshiba 40


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.

Feb 24, 2008 | Toshiba 40H80 40" Rear Projection...

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/

Jan 14, 2008 | Toshiba TN55X81 55" Rear Projection...

1 Answer

Pt-47wx49e service mode


It sounds like the convergence amplifier IC for the red crt is at fault. To check this, go into your user menu and pull up the red convergence. Try to move it up/down or side to side(it doesnt matter). If it moves up and down, then the vertical amp is working. Likewise if it moves side to side, then the horizontal part of the IC is working. If it dosen't move at all, or only moves up/down or side to side, then the IC is bad. There are 2 large IC's on the chassis, mounted to large heatsinks. They have STK392-110 or some variation of an STK392. If yow feel that the IC is bad, change the ic BEFORE you go into the service mode, as you wont need it if the ic is bad. To get into theservice mode: 1 make sure tv is in cable mode 2 set sleep timer to 30 minutes 3 tune to channel 124 4 use volume down on front of set to turn volume all the way down. ( writing will appear in the top left corner). 5 use remote control and press the power button. 6 the 7 button on the remote will put it convergence mode. Good Luck!

Jul 26, 2007 | Panasonic PT-47WX49 47" Rear Projection...

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