Question about Sylvania 6620LDF 20 in. EDTV-Ready LCD TV/DVD Combo
Posted by Anonymous on
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Posted on Jan 02, 2017
They go away after 10 minutes of what? **** She Wrote? Dancing with the Stars? Or simply being powered On? You have some cold solder joints on one of the PCB boards. Once they heat up they work perfectly. The only way to fix this is to have them reflowed by a tech with a soldering tool or have the board replaced. Good luck! Cheers
Posted on Dec 29, 2009
You need to check the output voltages of the power supply to see which one goes off. It may be due to short circuits some where.if otherwise, power supply board is dead, do you know basic electronics' and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.
Hope this will help in solving the problem...
Posted on May 29, 2011
SOURCE: i have a sylvania lc320slx
The solution will be to replace the inverter board. This is a common failure in this TV. Power supply start up resistors on the inverter board, R1943, R1944, R1945 may be open or have changed values. The values of each should be R1943 at 330K, R1944 at 330 and R1945 at 39. These are ohms of course. If the original values of these resistors are different, please use the values I gave you. Of course this info is good if you want to rework the original board. In many cases the inverter board may be replaced. The inverter part number you need, will be located on the board. Look for numbers A91 or A94, these are prefixes.They are followed by 10 more numbers and letters. Show this note to a TV repair shop. knowlege in this area will save you a few bucks. That's why you asked me. Thanks for asking and show all hands of support!
Posted on Aug 31, 2011
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