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You haven't given the exact model number to your TV here. Back light inverter might also replaced along with defective CCFL lamp/s. It wont cost more. Anyway will cost around 10% of the total cost of the TV
Your power supply board is dead, u know basic electronics' and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.
OK ~ try this... Connect a makeshift antenna to your Antenna proper connection/connector.
Almost anything somewhat large, flat and is metal should work OK... Even a length of old lamp cord may work too! Hopefully you are in range of at least ONE standard HDTV DIGITAL broadcast transmitter(s) "over the air".
IF your audio is now OK suspect that CABLE BOX!
And how about your DVD player? Is your audio and video good using it?
Just a thought...you *might* have a bad ballast in addition to that defective power supply.That flashing could be the ballast trying to ignite the lamp. A lamp is just like an enclosed welder's arc. The ballast generates a high-voltage spark to initially start the lamp, then low voltage with high current keeps it burning. If you look into the lens and see "lightning" flashes but no lamp ignition, that's what's happening. The ballast could've been damaged by the defective supply. Also, try a known-good lamp...just to rule out a defective new one--in the shop, we kept all old working lamps as testers.
Cause it's the official tv of nascar and the nfl and most other really expensive advertising. As a servicer and an owner of the same set, I first would try to vacuum out all vent holes behind set. This has caused mine to shutdown several times. I don't completely understand you about modes, but make sure all audio/video cables are connected well and hdmi cable. Also, make sure that the door switch on the lamp cover is fully engaged. They had an intermittant problem with some of them not making good contact. Go over your power strips and/or extension cables real good and hope for the best. Good luck.
YES, DOES YOU PACIFIC VIDEO HAVE COMPONENT , COMPOSITE OR HDMI OUTPUTS ON THE BACK ? THE HDMI HAS BOTH AUDIO AND VIDEO SIGNALS AND IS THE BEST QUALITY PICTURE. BUY THE CABL AT RADIO SHACK, WALMART ETC.
COMPOSITE IS THE YELLOW RCA CONNECTOR FOR VIDEO AND RED AND WHITE RCA CONNECTORS FOR LEFT AND RIGHT AUDIO.COMPONENT IS THE RED, BLUE AND GREEN RCA CONECTORS AND RED AND WHITE FOR AUDIO L & R.