Question about Philips 50PF9731D/37 50 in. Plasma Television
Unless a good check up is called for we cannot decide on the estimation of the fault and cost.
Since there is a total failure of the pictture and sound , the blue light blinking to indicate a protection, shutting perhaps power to the main boards, the hunt must begin.
Within your reach check if any visible signs of capacitor leakage or being bumped up ontop to indicate a loss of electrolyte. If so replace these capacitors.
next look around for any dry soldering in the power board and teh main boards/the convergence boards. If so solder and check.
Finally test the voltages from the power supply and the protect from the mP board. check for the shut off voltage,and look for the shorting component, it can vary from a capacitor to the IC and to the driver.
If test indicates or a release of the shorted component resumes power, the suspect is centered.
If however the fault is around the IC then estimate , confirm before you order, as this is important.
Posted on Aug 30, 2010
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Posted on Jan 02, 2017
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