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Question about Toshiba 57H81 57" Rear Projection Television

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I need an IC Part for the TV. Are these expensive parts and is it a difficult repair job ??

Posted by carolynj99 on


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I asume you're talking about convergence IC's? The IC's themselves are about $50.00 total
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 $200-$400 Be sure to vote/rate me if this helped Thanks!
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Posted on Nov 25, 2009


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Samsung tv when I power the Tv on I hear 5 clicks and then it powers off ?

HI Junius,
Repairing plasma TVs is a highly difficult,complicate and skilled job. Components are also expensive. There may be several reasons for this problem. Well if you are handy with repairing, you may try checking the power board for some swollen capacitors and hopefully repair your tv. Beyond that, please let some good TV tech take over. Good luck.

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First of all, if you have any warranty or service plan, exercise them. Secondly, you can bring it to a local service center. There are also a lot of technicians willing to work on-site at your home. You mentioned an IC that needs replacing. I cross-reference that and it seems it is a very inexpensive part ($7.90) that you may be able to replace yourself if you have used a soldering iron. It is simply a switching regulator. It says it controls power switching on CRT displays. If your TV is a CRT don't bother with it, the repairs can cost you more than half of what a VERY decent LCD would. Go into a local Radio Shack and ask about the 37'' AKAI, it even has a built in DTV tuner, the picture is beautiful. It supports 1080i/p but it is scaled(1366x768).

My Mitsubishi CS-2610 S-Monitor suddenly blacked out! I am having a difficult time finding a job, and cannot replace my TV right away. Can it be fixed?

tried to re soldered first cold soldered component parts at the main board which may get loose contact. if can not get with re soldered check bulged or leak capacitor at the vertical section. and then try to observed if the vertical ic is too hot, that was mean the ic get bad.just replaced with new one and re check other component near the ic.

When you try to turn the tv on, all you get is a blinking red light, if you unplug for awhile, sometime it will come on.

Symptom: tv turns on, tv clicks once, red light comes on. Then, tv either works for a while, followed by a click, no video, normal sound and flashing red light; or, tv immediately clicks, no video, no sound, red light flashes. If that is the problem, you need to replace the convergence ICs. I had to do this twice. The two convergence ICs are mounted on palm-sized aluminum heat sinks. The heat sinks are soldered to the main circuit board. There are 4 pins soldered to the board for each heat sink, and 18 pins soldered to the board for each IC. Some of the heat sink pins are a bit difficult to desolder. The pins for the ICs are not difficult to desolder, but you must be careful not to overheat them. The heat sink and the IC come out as a unit, after all pins are desoldered. The IC is screwed to the heat sink. The correct replacement IC is a Sanyo STK392-110. I got mine from B&D Enterprises. They were not expensive. The new ICs need to be mounted to the heat sink with a heat transfer paste. I used Arctic Silver from my computer processor heat sink. Installation of the heat sink/IC assembly is a bit tricky, since you have to align all 18 IC pins and the 4 heat sink pins. When all the pins are visible through the holes in the circuit board, resolder everything. The TV should now work. Be sure to replace both ICs. My first repair was done by a technician, who obviously only replaced one. That repair only lasted a couple years, before the problem returned.

My Toshiba 51HX93 51in, will some time do this like 3D look on the screen. What parts will i need to repair this, or How mach would it cost to have fixed?

you will need a luminance ic.if you are not verse with repairing tv have a tech do the repairs the cost will be about 200.00 and labour.but probably the tv only needs to be programed but that the job of a tech.good luck.

HELP... I have a SY2551S color set (which has become a "member" of my family), today when I turned it on I got sound and a line across the middle. Does this mean the picture tube has blown? Can...


The problem is the result of a failure in the horizontal output or high voltage section. This means that respectively, either HOT/Convergence IC, or flyback transformer is defective.
The repair is done testing the flyback, then testing or replacing the convergence IC or transistor causing the problem.
The repair job will go above $150, and due to the age of TV I would say that it is better purchasing a new set.
The failure in fact cannot be repaired by the user. There are no part that can be replaced in an easy way. The repair must be done by a trained and experienced person, as it consists in testing at component level, then in doing some precision soldering/de-soldering to replace the parts involved.

I would say that this TV has done its job, and that rather to repairing the old set you would better buy a new TV.
I think that the best choice would be a new flat panel TV. An LCD TV consumes less than half the power needed by an older CRT like yours, and will repay the expense by itself over the years.
Other advantage of a flat panel TV is that there is no radiation emission. With any CRT TV, the beam hitting the display will release a little amount of radiowave emissions. The TVs are shielded, and the emission who is mostly filtered, is not considered dangerous.It is however better to reduce the exposure of human body to higher frequency radio-waves like those emitted by CRT.
In short. It is time to send the old CRT to retirement and to get a newer TV. A new flat panel will start at less than the repair price for this TV and will present different advantages.



We have a picture, but no sound. Already confirmed it is not and issue with the cable company.

If you have no audio on either the AV inputs or off-air TV channels, then it is probably in the audio output stage - the audio IC and all components in that part of the board - including surface-mounted ones - as well as dry joints/broken tracks etc. could be a possible cause. It is probably a leaky surface-mounted capacitor, transistor or diode which is preventing the audio from being produced.

This could be an expensive workshop repair, considering the cost of these parts, and the fact that SMD (surface-mount devices) are extremely tiny and difficult to replace, being soldered and glued to the PCB. This type of repair should be undertaken by a workshop - find one who give you a free quote on the likely repair cost, then you can make a decision afterwards on that basis - whether to go any further with it or not.

H line problem

I think you are describing 'no vertical deflection.' If all you have on the screen is a single horizontal line, the vertical deflection circuit (or IC) has died. Unless you have service documentation on hand, I can't give a part number to replace but this is typically not an expensive failure and if the set was OK before, it is worth having repaired.

Whirlpool duet front loader making alot of noise

Front loaders can be expensive to repair. The labor costs can rack up and the parts aren't always the cheapest. However, the little metal retaining ring can be ordered on line at for a very reasonable price. Look under the "Door and Latch Parts" heading for item number 14 (part number 8182211). If you are talking about the rear clamp that attaches to the wash tub, look for item number 6 (part number 8182210). Neither one of these parts are expensive and the following link gives you step-by-step instructions on how to replace/repair the bellow:

If you want to save yourself the trouble and expense of having someone else do this job for you, take a look at the link and review the cost of your replacement parts. This job is not difficult and you can save yourself from an expensive repair job. I have performed this job in the past and usually runs over $200 with parts (with the bellow being replaced) and labor charges. If the rubber bellow is in good shape, all you need is the clamps. I would doublecheck, however, the clamp(s) may have just come loose. All you might have to do it tighten them. I hope this helps you. Let me know if you need further assistance.

PS DO NOT over-tighten the inner bellow clamp. It can break the clamp and/or cause damage to the tub.


Robin, your convergence IC`s have failed, they are readily available but not an easy job for a non-tech, the board has to be removed from the tv and then the IC`s have to be un-soldered and new ones installed, this is not a real expensive repair but everyones description of "expensive" is different.At my shop this would cost approx. $265.00 out the door, Hope this gives you the info you need to make the decision, still have questions? ask away, BMW Rider
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