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Samsung projection tv convergence problem
I was just working on replacing my stk's and was wondering if you could tell me what value the resistors are? Here is my previous post if you would like to see it.
Need part #
Can you read the letters and numbers on the transistor your needing to replace? If so post the numbers and I will post a link where you can order them or their substitue.
I Have a Sumssung HCL4715W Tv timer flashes 40r 5 times and Tv turns off
A constantly blinking light means shutdown.The most common issue in this model is convergence-----if the convergence circuit has railed (this means shorted parts) it can cause the set to do what you describe.Before I suggest a course of action----what is your skill level with electronic repairs? Can you solder and or do a visual inspection?SD TECH
I got a Samsung HCL4715W from a neighbor and did
Hi , first thing is check for leaks coolant in all 3 tubes. It is a very common problem in Samsung projection TV. This means, if you have a leak, it makes no sense to repair your TV, isa big money for parts. Another possible solution would be convergence board is damaged, two STK 392-040 IC's number; also has associated resistors that can be opened or burned. Be careful, Try to open the TV and watch these two important details. If you have further questions, do not hesitate , I will be here.
Our samsung HCl4715W tv
The problem of your tv is the convergence. Projection tv set has a 3 colors red,blue and green this 3 colors must be properly lined up to look the video normal. When this 3 colors is not properly aligned the video will produce a double image of color or like a 3d or wavy. In order to fix this problem you should adjust it in the menu program of your tv you should move any of the colors to up or down, left or right if you cannot align the 3 colors the problem is the convergence ic it must be replace. To locate the convergence ic you should remove the back cover of your tv but be sure to unplug your tv, you will see this ic attached in a large aluminum plate it has a marking of stk--- and followed by a numbers. or you could contact a service technician do do it for you and save you from stress. Good day and best regards.
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