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Tv showing double images of green and purple.

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

MikeNJ1964
  • 398 Answers

SOURCE: double imaging

The Toshiba 55H70 is a standard rear projection set. It does not have a "lamp", it has 3 picture tubes. When the colors suddenly do not line up on the screen, it means that one of your convergence output IC's has burned out and needs to be replaced. This is very common on those sets. If your set is using the STK392-110 IC's, it is probably a good idea to go ahead and replace both IC's with the newer upgraded STK392-150 IC's. The IC's should be replaced and the convergence circuits realigned by a qualified tech familiar with Toshiba projection sets.

Posted on Sep 11, 2007

premtech
  • 934 Answers

SOURCE: Panasonic Model No. PT-47WX42F

Replace the convergence amps. That unit takes two Sanyo STK392-110 and you could use 150's for greater reliability. Also replace one or more of the 1.2 ohm resistors in the yoke return circuit out front of the amps.

Posted on Mar 02, 2008

mistersony
  • 320 Answers

SOURCE: purple and green strip/shadow around all the images and at the bottom

Either a bad optical block or possibly a bad LVDS cable, you need a qualified tech to know for sure

Posted on Oct 18, 2008

waynejamescm
  • 67 Answers

SOURCE: double vision on tv with purple and green colors

Hello,

This television set, as well as most rear-projections, is prone to convergence driver problems. There are two large chips (STK392-110's) in the TV that need to be replaced, as well as some resistors that are likely damaged as well. Any competent TV repair shops should be able to repair this TV for 200-300 dollars. It is important to note that if the back of the TV is taken off without the proper prep., the Digital input (DVI) will be disabled permanently.

Hope this helps you...

Posted on Dec 30, 2008

  • 476 Answers

SOURCE: I am getting a double image on my 48 inch

Assuming that your TV is a rear-projection TV, then it sounds like the separate red, green & blue tubes aren't set correctly.

Each tube needs to be alligned exactly to produce the image on the screen. If any of the 3 are mis-alligned then the effect you describe is caused.

Somewhere in the menu settings, will be an option to set the Convergence. This option will allow you to set the allignment of all three tubes.

Older sets do not have this option, and need to be adjusted via controls on the main PCB.

Posted on Apr 25, 2009

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1 Answer

I have a panasonic PT-47wxc43 projection tv. I have green and purple halos coming up from the bottom. The screen has purple and green double images which are worse from the bottom up.


Hi,
This problem is due to convergence output ICs failure and both chips will be replaced to fix the issue.
There are two big black ICs installed with aluminum heat sink on deflection board, these are convergence output ICs and will be replaced to correct the problem, it is common problem of rear projection tv.
Below image of deflection shows ICs (marked in red) that are need to be replaced.
IC number is STK392-110 and available with Part Store for $32 each.
Click above link to see an image of IC.
If you are handy with electronics stuff repair and can replace parts in tv circuit board then can replace these parts yourself or ask local tech to help you.
Hope these info will help you.
Let me know if you have additional question.
Thanks.


May 25, 2010 | Panasonic PT-47WXC43 47" Rear Projection...

1 Answer

Our tv is showing green and purple outlines on screen and showing double words. do you know what the problem is? thank you!


Bad convergence ICs STK392-110s use 180s , you also need to CK pico fuses in front and behind STK ICs they will look like resistors but are Green or Yellow 5amps/6amps they are fuses.
Mats has STKs 1-800-628-1118

Mar 24, 2010 | Sony KP-46WT510 46" Rear Projection HDTV

1 Answer

Purple and Green haze on television image


Do you have any speakers near the TV, that aren't shielded... ?That's kinda what it sounds like to me.

Apr 10, 2009 | Panasonic PT-53TW53 53" Rear Projection...

1 Answer

53 Hitachi Rear Projection TV with shadows and double images


Does the magic focus work on your set ?

If it doesn't you must replace the convergence Ic's with a kit that is available through your local parts distributor

You must replace all resistors in the kit
If you are not good at soldering and de- soldering have a local tv shop do it for you

Good luck

Jan 25, 2009 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

Double vision on tv with purple and green colors


Hello,

This television set, as well as most rear-projections, is prone to convergence driver problems. There are two large chips (STK392-110's) in the TV that need to be replaced, as well as some resistors that are likely damaged as well. Any competent TV repair shops should be able to repair this TV for 200-300 dollars. It is important to note that if the back of the TV is taken off without the proper prep., the Digital input (DVI) will be disabled permanently.

Hope this helps you...

Dec 30, 2008 | JVC AV-56WP74 56" Rear Projection...

1 Answer

Sony KP-46WT500 picture is distorted


you either need to reconverge the unit (auto focus) or you need to replace the converge chips-stk-xxx-xxx don't adjust anything.

Nov 05, 2008 | Sony KP-46WT500 46" Rear Projection...

1 Answer

My toshiba tn61x81 projection tv


have you tried the convergence option in the menu? i believe it is under "picture". this allows for nine different sections of the screen to be adjusted when projection images get out of whack.

Oct 20, 2007 | Toshiba TN61X81 61" Rear Projection...

1 Answer

Panasonic Model No. PT-47WX42F


Replace the convergence amps. That unit takes two Sanyo STK392-110 and you could use 150's for greater reliability. Also replace one or more of the 1.2 ohm resistors in the yoke return circuit out front of the amps.

Oct 06, 2007 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

Sony 46" RPT color problems


Hello BlueKalel,

It looks like your green CRT is malfunctioning. You should try to see if the voltages are correct on the socket of the green CRT and check the high voltage on the green CRT using a high voltage probe. Use a schematic diagram to reference these voltages to.

I am positive that the problem is the green CRT or the circuitry leading to the green CRT. Please use caution when checking these voltages.

Thank you,
Shuttle83

Sep 29, 2007 | Sony KP-46WT500 46" Rear Projection...

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