I have a phillps TS3259C that will not turn on. Changed the BU508 or BU520 regulator because it was shorted and also changed the flyback OV2076. The response on the tv is the same and when I try to start it you here a clicking sound by the flyback and if you hold the power key down it keeps clicking. The regulator is not shorted but it still doesn't work. Please help me out.....
Check fuses on the secondary of the chopper transformer as well as the fusable resistors.try isolating the frame ic and the audio ic as well.philips tv's tend to be very protective especially when something is shoting
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1 Soldering problems 2 line transformer flyback circuit capacitor and ( BU508 ) or equvalent or other transistor shorted, bulget or defect capacitor sync ic or the power supply solderings supression coils and a few more things .
Hello Chech whether AC power get into the power supply regulator section. Just open your tV, and check it. There is a fuse [ glass cartridge type] on the power supply section. Check whether it has blown up or not. If blown up, make sure that there is some shorted components at the power supply section check it.
You still have a problem with the power supply try to check the resistors and the regulator, sometimes when fuse blow up some of the resistor become open, then you should check also the regulator to be sure, if shorted.
Sounds like your regulator ic is about to go, not an expensive repair but you have a good thought about buying a new set. If your fluid has never been changed I bet it's due also. Give the choice serious thought.
In the past, my experience with Sonys is that you need to use Sony parts to successfully repair them. Also you might have a cold solder joint which creates an arc when you turn it on.
This arc will cause a "spike" which could possibly take out the regulator.