Question about Sony KDF-E42A10 42 in. LCD Television

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Have a sony42"wega ince in awhile entire screen goes completely green. the sound still works and the only way to cure it is to shut off and turn on tv

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Red light flashing seven times

Posted on Sep 24, 2010

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Posted on Jan 02, 2017

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KV-HP212M83 greenish blackout blinks 2 times


Measure B+ on the set , If normal check G2 voltage


G2 adjustment is on the Flyback Transformer

Oct 14, 2012 | Sony FD Trinitron WEGA KV-32FS120 32" TV

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TV WONT COME ON AND THE LIGHT KEEPS FLASHIN RED AN GREEN ON THE STANDBY BUTTON


  1. 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.

  2. 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.

  3. 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.

  4. 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.

  5. 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.



Read more: How to Troubleshoot a Sony Grand Wega ' eHow.com http://www.ehow.com/how_5243554_troubleshoot-sony-grand-wega.html#ixzz1EoY37gpC

Feb 23, 2011 | Sony Grand WEGA KF-42SX300 42" LCD TV

2 Answers

Hi I have a Sony Grand WEGA KDF-60XS955 TV


Ur right the cooling fan is defective,check it,clean it might work normal again.Not, than the cooling fan must be change.

May 04, 2010 | Sony Grand WEGA KDF-60XS955 60" Rear...

2 Answers

Picture & sound go on & off every sec, red light blinks 5 times


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.

shaun

Oct 25, 2009 | Sony Grand WEGA KDF-55XS955 55" Rear...

3 Answers

Problem for Sony Grand WEGA KDF-55WF655. Hello,


5 times Red LED blinks means Lamp Driver Error. (KDF-55WF655)
2 possible reasons, either Lamp is gone or Ballast Supply got bad.
Replace lamp first, in most cases it solved the problem.
How old is this TV and did you replaced lamp recently?
Thanks.

Oct 21, 2009 | Sony Grand WEGA KDF-55WF655 36" Rear...

1 Answer

Picture goes blank AND SOUND goes off together, both back on too


it can still be the lamp for some reason these sony tv's will exibit these symptoms when the lamps are getting weak. by the way when the lamp goes out the entire tv shuts off no video or audio, just to let you know.

Aug 07, 2009 | Sony Grand WEGA KDF-55XS955 55" Rear...

2 Answers

Intermittent lamp turn off


I was told by the repair service to unplug the power cord for about 5min. This resets the internal computer. I think this helps but does not cure the cause. Good luck.

May 22, 2008 | Sony Grand WEGA KDF-60XS955 60" Rear...

2 Answers

Green Screen?


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

Nov 24, 2007 | Sony Grand WEGA KF50WE610 50" Rear...

2 Answers

Hello im having problems with my sony wega


It sounds like you have a loss of green. This could be caused by the green gun in the picture tube opening up or the drive circuit for the green gun gone bad. Stargazer

Aug 10, 2007 | Sony FD Trinitron WEGA KV-27FS100 27" TV

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