Question about Philips Magnavox 55P9271 55" Rear Projection Television
It comes on but no picture shows but do have sound model 51mp392h/17 it just black screen shows
This can be any number of things, here is a possible listing:
1) No High Voltage (check the IHVT or the trippler)
2) CRT filament transformer winding open (check the windings that supply voltage to the CRT filaments)
3) Video / CRT socket boards bad (highly unlikely but check anyway)
4) High Voltage power supply malfunctioning (related to problem #1)
This listing is a good starting point. I would suggest that you purchase a schematic to aid in testing the voltages mentioned in the 4 steps above. If you have a background in electronics then do the above, if not please ask a qualified TV technician to perform these steps.
I hope this helps,
Posted on Dec 08, 2008
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Posted on Jan 02, 2017
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