Question about Philips Televison & Video
This symptom was caused by leaky/dried filter electrolytic capacitor in the output of power supply section. This capacitor will produced an out-of-regulation in the supply. It needs a warm-up to make itself stable but the symptom will get worst which will not power up or disable the power supply. Leaky capacitor has a dome/bulged at the top and easy to recognize but dried capacitor has no physical indication of fault. You must have a capacitor checker to determine its condition and pinpoint where the faulty one. If capacitor checker is not available, you may replaced all the electrolytic capacitor in the output stage of that board. The affected working voltage are 10v,16v,25v,35v if you see the capacitor with this working voltage replaced them all and your unit will back to normal again. This will not cost you much, because it is cheaper than other parts($4 at the most). Here is the sample of leaky capacitor.
Here's the link for parts replacement.
Hope I helped you.
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Posted on Apr 07, 2011
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Posted on Jan 02, 2017
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