Question about Akai PDP4225M 42 in. Plasma Television
I've pulled the power supply board but need to obtain schematic to properly repair. The fuse is not blown.Found bad 5.6 ohm 1/2 watt resistor at R001 and replaced.Relay at RL002 activated when power switch was turn on then immediately turned off.Checked resistor again,it was bad again.I'm sure it is a cap issue.Have you diagnosed this problem before? If so, do you know which caps to replace?(Power supply MPF7410 A)
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Posted on Jan 02, 2017
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
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