Question about Toshiba 36HF73 36" TV
Possible that the surge had resulted in the SMPS- switch mode power supply - giving a higher output before it would have corrected but had resulted in the failure of some component.
Remove the panel if you can start the work armed with a multimeter, the mains power being put off. wear insulated slippers while probing the circuits specially when the power is switched for voltage checks.
first of all check the main power unit :click for tips on SMPS
If there was no fault noticed visually then check the processor controller section specially the voltage to the processor. If the +5 volt is missing check the regulator or the feed.
If there is power then check if the mP activates the HT circuit, if not the main board had errors to be looked into with a trace of the working voltages, look specially for charred or damaged components.
Posted on Nov 12, 2010
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Posted on Jan 02, 2017
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