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Re: Won't turn on or off - red light blinking
This sounds like a power supply problem, visually check the fuses and if they look ok, and you have a backgroud in electronics test to see if the set is prducing Dc voltage, you will need a multimeter and a schematic to do this with. However, if you do not have a background in electronics please take the set to a qualifide TV repair shop to have the repairs done.
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Hello, The real problem is on your TV 'scircuit. Due to high electric power supply there might be a short circuit damage. It's better you call up your service technician and ask him to offer you a onsite support.
Hi, Question shows tv is Sony KDF-60WF655. Green light blinks when tv gets prepare to fire up lamp, check internal circuits then show picture on front screen. Red light blinking shows some kind of internal problem during circuit check and protection got activated upon some failure. Count the red light blink as you will see 3 second long pause and post it here to diagnose what section of tv got problem. Did you replaced its lamp in last 2-3 years? Thanks.
It is rear projection TV that use 3 picture tubes of red-green-blue to show color picture on tv front screen. Do you see standby red light blinking when TV shuts off after showing blue image for a while? If red standby light is blinking, please count it how many times it blinks, there would be 3 seconds pause between blinks so count pause to pause and post it here to find out possible solution. Thanks.
helloFive blinks - AKB circuit (automatic kine bias), the
timer/standby indicator blinks for about 30 seconds then goes to the
self-diagnosis function. Something is wrong with the video. Check video
out, Q705, 732, 761 and other components on the C board, also check
Q218, 219, 220 on the A board. In addition, unit could be in IK
blanking, try turning up screen slightly.
Sorry about that. When the tv goes bad like not turning on, the green light will blink, and goes right back to red standby light while the dtv letters will briefly show on the lower right of the tv screen, then go back to blank screen. The tv will need to be taken to an authorized service center for repair. Common causes are a bad inverter/power supply, power control board, or circuit board.
One of four things happen when these lcd's get power problems. 1. They either go completely dead[no power with no lights] 2. Little green light will blink and go back to red with dtv briefly showing and then the tv screen go blank 3. Same as # 2, but with screen staying blank. The fourth is extremely rare, which is a shorted panel that makes the tv set behave like it's getting no power. All signal a bad tv, and the fourth is not usually repairable, requiring a whole new panel. I hear that power flows thru the panel, so that would explain how sometimes it will short out.
Dont know if this will work for you or not, but my brother gave me his because of the same problem. It would power up and a green light would come on, then after 10 -15 seconds it would change to a red blinking light. I plugged a usb cable into the service port on the side and left the other end unplugged. Then plugged the tv back into the power. i took a small screwdriver and ran across the contacts in the end of the usb cable until both the red light and the green lights came on. I did this several times listening fot the clicking noises in the TV. after doing this for approx 20 seconds, i pressed the power button and the TV worked fine. 5 days now and no problems. Only thing I can think is I somehow reset the software and now it is working fine. Hope some of you can figure this out and give it a try. if the TV is just sitting, you have nothing to lose