LOOK AT ATTACHED PHOTOS AND TELL ME IF THEY LOOK FAMILIAR.
THE MODEL INDICATED USES TWO of the STK-392-570 CONVERGENCE CHIPS.
I have step by step, start to finish instructions for this repair in this set. It involves getting the middle circuit board out of the set and replacing the two chips.
Total parts cost on EBAY WILL BE UNDER 25 DOLLARS AND repair takes on average about a hour--I have done hundreds of these sets and if you are doing it for the first time it may take longer.
The instructions tell you everything you will need and how to do the repair from start to finish and they are free.
If the information helped you, rate this solution as "very helpful: as I do this here for free.
If you want the instructions let me know and I will post them here for you for free. I will assist you from start to finish if you attempt the repair.
REGARDS, SD TECH
NO TWO SETS WILL LOOK EXACTLY THE SAME BUT YOU SHOULD KNOW IF WHAT THESE PICTURES SHOW IS YOUR PROBLEM.
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