While watching tv we heard a loud zap, then it shutdown. unplugged tv and noticed the plug prongs were burt. No lightning or power surge as other equipment was on and remained working. Curious of the cost to fix, as I have a friend with 1994 model with same issue. I have had lots of luck with minor solder repairs in the past with receivers so I have opened up and found power throughout the power supply, and have not seen any leaking capacitors or noticeable damage to the board. It is an older tv, but everthing new I look at is more than I can spend.
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Re: KV27TS29 27" Sony Trinitron 1993
If you state that the contacts of the Mains Plug were 'burnt', I suggest that you once clean them with Emery Paper and try again. Loose contact in the Mains causes the 'burning', and the Plug contacts become carbonised.
Could be other reasons also, but just try this first.
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sounds like you have some cold solder or bad joints,power section, inspect it ,with the back off, but be carefull.........i had one that did that...bad connection in solder joint...had to resolder,if you have to resolder,make sure it is unpluged.hope this helped....
Sounds like a cap or fuse has blown in the set, you will need to take the back cover of and have a look, check on the power board for any blown caps, you will notice them straight away if one has poped, also check any fuses that may have blown they will also need to be replaced.
This unit shouldb e flashing a repeated count on the standby light. That count will indicate the circuit in which a problem was detected causig the shutdown. Please post that count and we should be able to provide details on the repair.
I think you had an arc in the high voltage circuit which zapped the blue drive circuit to the picture tube. This could have been caused by the high temperatures the your set was subjected to.