my 55” phillips tv beeps and turns on to the logo screen when you plug it in and then after a few seconds it shuts off and does it all over again any help would be great
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@baseballguy14 .... i would start by removing the rear cover off the set. gain access to the interconnectings of the boards and some up close pics of the power supply board and the main board and upload them. can use this guide here:
Ajout d'images à une question existante.
from there, while we are reviewing your baords, you can follow as well to check for any burnt , bulging, or hole through components. depending on the clarity of your pics, we could potentially see these as well. in the meantime, i would remove the connector from the power supply leading to the main board, as well as the connector leading to the leds. then you can apply power to the set and take a voltage reading at the connector leading to the main board. with the set plugged in but off, you should have your standby voltage present and steady on pin labeled stby.
we will await the reply with the requests and results of reading thus far and will proceed from there.
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