LG 32LH200 stuck on standby mode. pls assist - LG 32LH20 32 in. LCD HDTV

Are you tech savy?...sounds like it could be bad condensors

unplug tv, take batteries out of remote. plug tv back in, replace batteries. best idea i have. sometimes that resets the devices. good luck

You might try to follow the diode back to the source and read voltage to know the value of the diode and also look on the diode for generic number--short of that Google the model number with "parts" as it might be cheaper to replace the board than try to fix it by guessing values.

Powering up do you hear the relay click then you may see the display flash (not necessarily), but then the TV clicks back into standby mode. If so there is a component failure.
will need diagnosis by a repair shop. Too many different components it could be for me to guess. but
the common repair kit containes1 fuse (F302), 1 diode (D304), the power resistors (R927 and R929 for the board revisions with these two resistors) and the IC301 voltage regulator IC.

please confirm brand and model number so I can assist you

hi,
check the power supply voltages 5v, +-15v. also check the power on relay driver side. also check is there is any dry soldering in power supply stage. check the output amplifiers is there is any transistor faulty. for any further assistance feel free to contact through fixya.
ok

Hi there mine has started doing the same thing today, on other hitachi models it is a serious fault warning, i will come back when i find out more.

it is the cold solder problem.pls solder the board careefully

1st... try a different controller, or operate from the tv panel.

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