Is locating the STK392-110 IC difficult? I don't have the service manual and haven't yet ventured in opening the back of the TV. I need to replace them due to the covergence issue I have. Any one provide an idea where they are or have the service manual in electronic format? email [email protected] if you do.. thanks
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Re: Service Manual PT-51HX41E Needed?
If you haven't the technical ability to repair this set I suggest to get a tech to replace the stk392-110 convergance amp ic's. these ic's are very noticable they have the largest heat sinks in all the sets ic's. but the problem may not be the ic's alone, there may be several resistors open or open pico fuses. So if you are not technicaly inclined donot attempt this repair. it's not just the replacement of the ic's that need be done but geometry and final convergance in the service menu. please leave this to the pros.
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A tech might be able to get into the hidden tech menu---sub brightness and sub contrast settings are there and it is not real easy to get into and does vary from model to model---access is with the original remote.
A suggestion if you can not or do not want to pay would be to search with Google and the model number for a "Service Manual" which will in it have instructions and indicate how, it will also have a list of items in that menu---be careful what you adjust there.
Hello Unfortunately I haven't the service manual to your tV, which have schematic diagram. Have you one; if so send it to me to refer. I'll try my best to help you. I've searched everywhere, but the no service manual to Skyworth.
I am having the same problem.Terryfic gave me some good advice I am the process of taking. The service manual will help you locate the convergence IC circuit board so you can remove it to replace the IC`s. If you need I can send you a copy of the location picture from the service manual.I recommend you contact Terryfic for exact advice.
First of all. The set is going into shutdown mode usually due to a component not functioning which allows a regulated voltage to rise and the set will shutdown to prevent further damage. Most repair shops have gotten away from component level repair as its easier to just replace the affected board. However this is probably something you can repair yourself if you have some experience with checking voltages with a digital meter and have some soldering abilities. However I would recomend not even attempting without the service manual and the understanding that there are dangerous voltages that can be present even when the set has been unplugged for a long time. If you would like the service manual I can post a link to the site that has the service manual and they will provide the free support that willhelp you diagnose the set. Its a free service they offer all you need to do is purchase the manual so you will have the info in front of you and they will exoplain how to go about checking and diagnosing the set. let me know if youd like the link and I will post it. I am one of their support techs.