Hello My plasma display monitor (JVC- GD-4210PZW-G) made a popping sound - and went dead - Prior to this the picture started deteriorating and I had the upper and lower lights on the diagnostic lamps were flashing while the middle stayed on - I thought I had read something about somewhere - anyhow I need a diagnosis - is it the power supply. I keep hearing about the power supply - I m just wondering what else I should replace - none of the diagrams look like my tv 's "innards" thanks randy

thankyou for your prompt response - can I assume the power supply is ok since I have sound which I forgot to mention ? thanks thankyou for your prompt response - can I assume the power supply is ok since I have sound which I forgot to mention ? thanks

  No, the power source isn't fully OK, the flashing indicates that the power source is in protected mode - which means that it has shutdown itself  to protect itself from an short. 
  If the failing capacitor isn't on the power board and the protection acted instantly as it should then, yes, the source is intact - replace the failed capacitor and all other part it has damaged when it failed and the source, as the entire tv, will return to normal.



  If the protection system was slow or, even worse, the capacitor is on the source's board then the source has surely suffered a failed output line, the others still work, sort of. Now if the tv isn't run until all failed parts are replaced, a good repair guy has a look and also replaces the weakened parts (mainly the capacitors and diodes on the other output lines) then the source is easily (and cheaply) repairable.   No, the power source isn't fully OK, the flashing indicates that the power source is in protected mode - which means that it has shutdown itself  to protect itself from an short. 
  If the failing capacitor isn't on the power board and the protection acted instantly as it should then, yes, the source is intact - replace the failed capacitor and all other part it has damaged when it failed and the source, as the entire tv, will return to normal.
  If the protection system was slow or, even worse, the capacitor is on the source's board then the source has surely suffered a failed output line, the others still work, sort of. Now if the tv isn't run until all failed parts are replaced, a good repair guy has a look and also replaces the weakened parts (mainly the capacitors and diodes on the other output lines) then the source is easily (and cheaply) repairable.