Question about Sony KP-53S65 53" Rear Projection Television
Trace the voltage to the main board and you must be able to confirm that the +B to the board is in order. since there is sound the front end sections are in order and the fault relates to a failed drive or video process.
Check the power to the lamp circuits if there is no output this is the area to trace.
if there is glow on the screen then there is absence of video output drive and it needs a trace. use of signal tracing and injection might be needed or you must get help to confirm before any board or costly spare is changed.
Posted on Nov 07, 2011
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