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My pioneer 5020FD Kuro tv. when I plug power to the unit, a blue light blinks 8 times pause 2 sec. and blink 8 times repeating this and if i press power button it clicks red light and makes a clicking sound and goes back to the blue light blinking again, it did this once before and the picture came on fine until i turned it off and now it just blink the blue code.
Four blinks of standby light to Plasma TVs, denotes a voltage output failure from its main power regulator board. Check this link for more. http://electronicshelponline.blogspot.com/ Pull up older posts there. Blinking codes to most Plasma TV brands will be similar. Check them. Pioneer brand is also there. Products powered by electricity
should be serviced or repaired only by experienced professional technicians.
Any attempt to service or repair the product by anyone else could result in
serious injury or death. If
you are not familiar with electronics, do not attempt to repair. Whether you suffer fatal electrical shock. Instead, contact
the nearest service centre.
Power supply board is dead.The board where the power a/c cord plug into it.Replace the power supply board.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.
The problem can be caused by a bad sustain board (Ysus Zsus) , the popping sound is often caused by a capacitor blowing up. The TV must be taken apart and tested before eventually replacing sustain boards.