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We purchased on the 26/11/03 a Samsun CTV 165cm/65inche widescreen 100H TV with model number SP65W3HF. It now has a problem with the image and colours. The images are distorted coming up as double images and the colours are stronger in contrast. Do you think it's a faulty lamp problem? Would it be a very expensive repair to fix? What do you recommend we do? Thank you, Carmen Rosales

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  • Expert
  • 55 Answers

Best Buy get a new LED TV.

Posted on Aug 21, 2017


6 Suggested Answers

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

Hi there,
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Posted on Jan 02, 2017

  • 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

  • 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

  • 788 Answers

SOURCE: the tv screen shows double images

Your symptom sounds like a damaged convergence IC.

While it is not a very hard repair, this repair can be a bit tricky. If you have a 45W soldering iron, solder, solder wick, and heat sink compound you can repair it yourself.

When you remove the old IC's, please be sure to remove all of the old heat sink compound, as it can act as an insulation for the new IC's and cause them to overheat. I usually clean the heat sinks with alcohol and a small rag.

There are two and large IC’s that control the convergence in a big screen set. Some of the newer sets only have one. If you only have one, it is right in the middle of the set on the center circuit board2.gif. They are secured to a very large aluminum heat sink. They will have a part number stamped on them that will start with an STKXXX-XXX, like STK392-110, and they are located on the signal board (on the left as you look into the back of the set).

Along with the convergence IC’s there will also be some associated components that will need to be replaced as well. There are some resistors that are part of the convergence circuit that will be open and need to be replaced. Most likely these will appear charred in the center. If you have an Ohm Meter or a DVM, check all the resistors that are close to the IC’s and you should be looking for either ones that have opened or have changed values.
There are also two resistors on the front of the board located in the middle that are fusible link resistors, these should be checked for opens and replaced if they are found so.

If one of the convergence IC’s are found to be bad, I would replace them both, if one has gone bad the other may go soon. I usually order my parts from Andrews Electronics in California, they will have the OEM components that you will need.
Their site is
And their phone number is a 24-Hour Order Desk: (800) 274-4666
I recommend the phone order so you can talk to the person about the different types of IC’s that are available.

I would also advise that the convergence IC’s be OEM or better, just because they are cheap does not mean that they are a good deal. I have seen the cheap IC’s fail after a short time, even though they look exactly like the OEM IC’s. I think that the bottom line is that you will get what you pay for when it comes to the parts.

You can also try , I have not tried them yet, but they do carry OEM or better parts.

I hope this information allows you to resolve this issue.
If you need further assistance please comment to this post and I will try to help you further.

Posted on Oct 14, 2009

SD Tech
  • 14553 Answers

SOURCE: double image

If you go into the customer menu and Select convergence and blue is skewed and will not adjust you have a convergence circuit problem.

Most of these Toshiba sets use two of the STK-392-110 convergence IC chips. Both chips along with any of the 1.8 ohm protect resistors around them that are bad (easy to check--like checking a fuse) need to be replaced and the set adjusted via remote control.

If you can do this yourself you can save a lot of money as most shops are going to charge 300 or more for this type of repair. You can buy a pair of the chips on Ebay for under 15 dollars plus shipping. Total parts cost for the repair should be under 30 dollars.

Both chips have 18 pins and are soldered in. The hard part of this repair is getting at them. If you think you or someone you know can solder and get at them I will be happy to give you general directions and answer any questions you have.

If you get a tech---some are going to say it has to go to the shop---keep looking as any good tech can do this in your home in about 1 hour----I know as I have done hundreds of them here.

If this information helped you rate this solution as I do this here for free.


Posted on Nov 25, 2009

  • 9 Answers

SOURCE: my tv has blue, red, and green lines on the

TO REPAIR... 1. Warning. this set can generate leathal dangerous voltages even unplug do not attempt if you have no experence with electronics.
2. Remove the back. there a number of torx 20 screws.
3. what you will see is a number of circit boards There will be one on the right and one on the left. the one on the right is the small signal board. the one on the left is called the power deflection board. it has a large black part with a big red or black wire coming from the top, this is the flyback.Next to the flyback on the right of it there will be three small rectangular componets tan or brown in color. these are fuses. the one in the middle is the fl231 fuse it should be labeled that right on the board.
4. getting to this fuse can be difficult. these two cuicit boards sit on a tray that is removable. to remove this tray it is pulled out and up. BUt watch the wires.loosen the wire tyes.
5 when you get the tray up the bottom side of the board can be accessed
you will now have to unsolder that fuse. one side of this fuse is under a plastic part of the tray. i have found the easest way is to cut away the plastic to get to it. if you dont want to do this you will have to remove the board. only remove half of the plastic brace
6. REPLACE FUSE RCA PART 259213 or you can goto radio shack and get a inline fuse holder and get the smallest glass fuse they have witch is .75amp witch is 500ma and all together cost about $5.00
7 RESOLDER FLYBACK CONNECTIONS or both ends of the inline holder simply heat up and add a little solder
8 reassemble set. make sure you examine the set for loose connections.
9 and remember "BE Careful'

Posted on Nov 28, 2009

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