Question about Akai PDP4225M 42 in. Plasma Television

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Akai PDP4225M std/by red light only

Red std/by light only. Will not turn on by power button or remote. Found o/c resistor R001 on power board(MPF7410 A). Replaced resistor, relay RL002 activated momentarily then same problem. Rechecked resistor, o/c again.I replaced all electrolytic caps on this board and changed resistor R001 again. I switched it on again but same thing happened. Resistor R001 opened again.Do you have any ideas what to check next?

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Posted on Jan 02, 2017

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SOURCE: AKAI PDP4225M HAS RED LIGHT BUT WILL NOT POWER ON.

hi isolate ur power unit out replece ur resisitor & every other burnt items then check the schottky diodes in the secondary side &the electrolytic capacitors if bulgge or leak. if all this are ok , power then use voltmeter to test ur output voltages if ok , unplug your inverter  & power

Posted on Nov 10, 2008

lovejoy91
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SOURCE: AKAI PDP4225M HAS RED LIGHT BUT WILL NOT POWER ON.

this is because R001 is not 5.6 ohms, it's 560K ohms

Posted on Jan 11, 2011

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Your having a DC switching and regulation problem, its very common in these Akai models. I have repaired over 800 Akai LCD tv's so far since 2006. they all seem to have had the same fault scenario related to a similar problem like the one your having....

circuitworld@comcast.net
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this is because R001 is not 5.6 ohms, it's 560K ohms

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