Question about JVC AV-48WP74 48" Rear Projection HDTV-Ready Television
While watching the t.v. one night, the t.v. made a weird noise and then the picture and sound disappeared. We turned the t.v. off and now when you turn it back on all we get is a blank screen with the blue power button flashing slowy and a "bonk" sound every time the light goes on and off. We've only had the t.v. for just over 2 years and we don't have a service centre close to our house. Could it be the picture tube or power supply?????
The fact that its making a sound everytime it trys to start up tells me that the horizontal drive/output section is not starting up.. The set needs to see a hoirzontal drive signal in the power supply to start up or the power supply is starting up and being overloaded by a short circuit somewhere in the set. First thing to check IF and only if you have tv trouble shooting experience would be the horizontal output circuit and the vertical drive circuit. I once even had a rear channel audio output IC cause the very same sysmtom. Please seek the assistance of a pro if you dont have any tv experience. Good Luck
Posted on Jun 29, 2006
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Posted on Jan 02, 2017
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