Question about Sony Grand WEGA KF50WE610 50" Rear Projection HDTV-Ready Television
I know that this may sound simple but try unplugging the power from the unit for about 60 sec. I had the same thing happen to me except everything was blue. Once I unplugged it to reset it I plugged it back in and everything worked fine :)
Posted on Nov 26, 2007
Intermittently displays bright red/green/blue raster then shuts down with led flashing 2, 4 or 5 times
Amazingly this was due to the CRT being faulty !
Red or Green or Blue screen
Check and replace on crt module : D702, D703, D704 (all 1N4148) replace with type 1N4948T
Posted on Nov 24, 2007
Tips for a great answer:
If your Sony Wega will not turn on, the front green light blinks, you hear a faint whirring sound and the green light turns red and flashes, it probably means the lamp inside the set is no longer working. If you noticed the screen beginning to dim in the preceding days or weeks, this most likely is the cause.
If the green light flashes and the picture comes on momentarily but then goes off, and the green button flashes until the set restarts, then the seal around the lamp mount is loose and needs to be refitted.
If the picture on your Grand Wega cuts in and out and the green standby light flashes, both of the set's STKs need to be replaced. STKs are small chips on your television's circuit boards and are identifiable by their labels. The specific STKs used in your Grand Wega TV will be identifiable by the numbered labels on top of the STKs.
When you plug in your Sony Wega and hear a loud popping sound, it's probably caused by a defect in the high-voltage circuit. Let the professionals take care of this one.
If, after turning on your Sony Wega, you can hear your set but the screen is black, you most likely need to replace your projection lamp.
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