Question about JVC Televison & Video
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Posted on Jan 02, 2017
Mine just did the same thing. Except for it was green instead of blue. The service manual states 8 flashes from the light stands for an overvoltage. After reading the manual for a bit I realized the bottom row of 3 adjuster screws from behind the speaker grill adjust the output for the red, green, and blue colors. BEFORE OPENING ANY TV OR MONITOR PLEASE KNOW THAT THE VOLTAGE INSIDE CAN KILL YOU EVEN IF UN-PLUGGED so please be careful and only adjust what is mentioned here. I un-plugged the tv, removed the grill and the board covering the internals, and carefully turned the 3 adjustment screws all the way down. I then waited about 10 minutes (don't know if this made a difference). I turned on the tv, turned the channel to an auxilary input (for a black screen), and slowly raised each of the 3 bottom screws one by one up clockwise until i could see a faint green, blue, or red line (depending on the screw), and then turned each one back a hair until the screen was black again. Only adjust one at a time, the order for colors are blue, green, then red from the left. I hope this fixes your problems. Be careful when working inside a tv, I suggest not using a screw driver to adjust the screws due to the possibility of it slipping and someone getting hurt.
Posted on Oct 24, 2007
SOURCE: jvc tv
when both the blue light and red light are blinking it means 1 of 3 things. 1. lamp replacement. This often works everytime for the repair. TIP!!! DO NOT USE ANY OTHER LAMPS OTHER THAN JVC AUTHENTIC LAMPS. ANY OTHERS AND YOU RISK DAMAGING YOUR TV FURTHER. 2. the fans are not working properly or need to be replaced. They need to be cleaned every so often and they will stop working from burn-out if not done so. This repair will cost you less than 100 dollars. 3. The ballasts are defective and need to be replaced. The ballasts themselves run about 150 dollars. I tell you I have fixed this TV more times than I care to count, not to mention the number of lamps I have gone through. The guy at the TV repair place now knows me by name when i come to buy lamps. :(
Posted on Dec 07, 2008
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