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Do i really need to buy the stk 412-150 ic? - Sony LBT-ZX8 Shelf System

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Hi, I got a stereo SONY,model No HCD-GN880 and I need to buy IC STK 412-150. Please let me know if you got any of the stock

Posted on May 30, 2011

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I am having convergence problems and need to know if there is really a difference with Sanyo and Sanken STK IC convergence chips?


Just the name, Sanyo quit making the STK series several years ago Sanken, Toshiba and Mitsubishi all have good versions of the STK series.

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I have a HCL473W with a 'concave' screen effect on 2 colors??


You don't need to replace the whole board, regardless of which board it may be mounted on. The STK IC convergence chips alone are all that need to be replaced. You can order them from a number of different online sites. You can try Alibaba.com. If you have any more questions, feel free to ask!

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When I try to do the manual converegence on my sony kp51ws510, I cannot get the squares around the + to change to red or blue and consiquently I cannot adjust the convergence. Flash focus works fine but...


You need to replace the convergence IC, They start with STK make sdure you get original stk IC's and not cheap china made or aftermarket parts as they will not lasts long in your set. if you pay less then 15 bucks for your IC that really is no bargain cause it is most likely an aftermarket IC

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1 Answer

Green red bow top bottom picture not clear


you need to replace the convergence IC's not really a hard project for a DIY er just do not buy cheap STK IC's as they will not last
Larry D

Aug 14, 2009 | Philips Magnavox 51MP392H Rear Projection...

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Bad stk?


Sure, Stk392-180, I use them all the time instead of the 110 and 120. Was your convergence out and that prompted you to replace the Stk's? If you had a picture before ( but bad ) I would check for the 6.8ohm bias resistors. They must be on the money, if not, they will destroy your Stk's in a heart beat. They are all located right buy the Ic's all in a row. Don't forget to clean the heat sinks off then apply a bead of Heat Sink Compound across the middle of the Ic's before installing them. the resistors may not be the value I stated, so measure a few, that will tell you,

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STK IC 392-110 Chips


am having stk 4392 amp board 2 channel, i want to change this two channel in to one channel. what modofication should i do

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1 Answer

Dual pictures in diffeent colors


I dont recommended buy convergence board.... Time to fix it !!. Replace two Ic's Stk 392-110, and get in service menu settings , and adjust point by point. After replaced stk IC's, check if any resistor look brown or born, if yes, replaced it with 6.8 Ohms. If you have questions? noetvs@embarqmail.com . Good Luck !!

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1 Answer

Tv problem


It sounds like your convergence is going bad.. this is pricey in older tv's. Look inside (but be careful) and see if there are some really big heatsinks with a IC mounted on each one. they should have a number like STK???-???. These are the convergence IC'S- change them, and you should be ok (IF your set uses the STK style IC's)

hope this helps.

Jul 05, 2008 | RCA D52W19 52" Rear Projection Television

1 Answer

Need link and part number for STK-IC for AKAI PT4298 HD rear project convergence fix


The ICs you need are STK392-040 you will need two of them. You cant get the ICs or Radio Shack as they are specialty items. You can get them at the following link and they will provider free instalation instructions as well as free tech support just in case you need extra help. heres the link.
http://servicemanuals.vstore.ca/

Jun 04, 2008 | Akai PT4298HD Rear Projection Television

1 Answer

Convergence


Chances are it's the STK392-110 convergence IC's....check for blown resistors in the area of the STK's also. It's a really simple solder job. I'd suggest buying a desoldering tool (about $30 off ebay for a good iron style with spring loaded "******") and I'd also suggest replacing BOTH stk's and not just the one. NORMALLY if it's only one STK that's gone south - if the TV is on you can see the STK's with the back cover removed, they are attached to large heat sinks, and look like black blocks....ONE of the heat sinks after operating for a half hour or more would be noticeably hotter if it's burned out. Touch CAREFULLY to check for heat with power on (duhhh) and beware that if the STK is failed - the heat sink may be VERY hot. Heat would be the indicator that something has failed miserably.

STK392-150 is an upgrade part# to replace STK392-110, and they will last longer due to higher heat tolerance. If you're going to replace the STK's - get the 150's, and MAKE CERTAIN they are authentic sanyo IC's. The generic **** won't last long.

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