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Samsung LE40R88BDX/XEU

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norman:
Hi Folks, I have one of these for repair, the problem is when you switch on you get the start up tone, then the set runs for twenty seconds and reverts to standby, it then comes back on with the start up tone again and runs for another twenty seconds. It keeps repeating this cycle. Do you have any suggestions, have you had this before.I have checked menus looking for demo modes or timers. Please help. Norman

ex ttg:
Hi Norman
Have you replaced the 1000uf caps on the psu secondary just in case

norman:
Thanks for the reply, i have checked/changed the caps in the psu. I think the problem is a corrupted memo ic or microprocessor trouble. The fault cycle repeats exactly every twenty seconds which is very strange. Cheers Norman

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