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37lh5000...HDMI Fault....Cuts Backlights

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scooby-doo:
Hi

On DTV the TV is fine...click onto HDMI after 10minutes of viewing the backlights pack up, still have sound

Any help appreciated

Thanks

scooby-doo:
Just noticed the TV is running Firmware V3.40 and the latest is V3.75 so will upgrade and report  back if the problem persists

scooby-doo:
Update:

The software update didnt do diddly squat to fix this fault...I have noticed that if the TV is cold then it will start first time...if you turn it on and off when its been on for an hour the backlights will never start up.

Still cuts out after 10minutes on HDMI.

Any ideas???

scooby-doo:
Yeahhh Fixed

Found an old 32inch snotter with the same main board fitted. HDMI and Backlights ok everytime

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