Question about Projection Televisions

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THe 2 blinks is an over-current fault in most cases. Usually this translates into the horizontal output transistor being shorted. Have you checked that yet?


Posted on Nov 05, 2008

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My Sony TV shuts down after you get a bright flash of light from the screen. After it shuts down, the red LED light on the front flashes 8 times. What's the problem?

On some projection models of Sony TV sets, this code means that T8005 (flyback transformer), or the associative components in the high voltage circuits are defective on the D board.

Mar 11, 2011 | Sony KP-51WS500 51" Rear Projection...

1 Answer

My Sony KP-57SW500 Projector TV comes on but after a few minutes, red flashes in the picture and then shuts down.

most likely a red CRT failure. those sony projection models had problem with CRTs if you can see a red flash and lines that look curved half-moonshaped left to right that are from top to bottom then it is a defective red CRT

Dec 23, 2010 | Sony Projection Televisions

2 Answers

"on" light flashes twice and then "blacks out"

IF power light comes on and a few seconds later goes off, do the self check this model has.

On front of set when this happens, press and hold both the menu and input (device) buttons at the same time for at least 5 seconds and then release both buttons.

Watch the power light closely, it should blink a two digit error code like; 2 blinks, 2 blinks, a pause and then repeat it several times.

Let me know what error code you find and I will tell you what it means.


Dec 11, 2010 | Mitsubishi WS-65909 65" Rear Projection...

1 Answer

Sony 5 projection tv kp-51ws510 no pic, light flashs 8 times

I have the same model TV and have had that same problem (*8 flashes) The FLYBACK TRANSFORMER on the D circut board is the most likely cause and will need replaced) the part is around $70.00 USD!
Please rate my response

Jan 22, 2009 | Sony KP-51WS510 51" Rear Projection...

2 Answers

Sony tv flashing light 5 times

5 flashes indicates a "white balance failure" - This could be due to a faulty CRT drive IC, or possibly a vidoe out IC going bad.

Jan 17, 2009 | Projection Televisions

1 Answer

Power ligt blinks twice no high voltage

CK capacitors cp150 cp114 cp120 if cp150 is puffed up on top it is bad so replace all 3 caps.2200uf 16v and two 220uf 35v

Jan 16, 2009 | RCA D52W23 52" HDTV CRT TV

3 Answers

Timer Standby light flashing No pitcher

Model # KP-53HS10
Serial # 9718217
MFG 2000

Plugged in TV. Timer Standby Light just flashes continusly. No Picture and No Sound.

Apr 02, 2008 | Sony KP-51WS500 51" Rear Projection...

4 Answers

Green Flash

I had the same problem with my SONY KP51HW40. The problem started about a year and a half ago, image turning greenish, then back to normal. Then started getting worse, with the image turning greenish or reddish, and then flashing green once and continue operating normal. And finally, it got really bad with the set shutting off after flashing green several times. It would not operate for more than five minutes at a time, before shutting itself off. So my problem got to the point of needed attention and here's how my TV got fixed. I downloaded the service manual. After the TV was shutting itself off, it displayed an error code using the POWER/STANDBY LED. My TV set STANDBY LED was flasing 8 times, and according to the service manual, this means that the T8005 transformer was bad. This is the high voltage transformer that feeds all three CRTs. The solution was to replace the transformer, but I am not really good at soldering so I decided to replace the entire D-Board, which is where the T8005 transformer resides. This transformer is also called the flyback transformer. So I ordered the new board and replaced it myself. This is the high voltage (30,000 Volts) transformer, the CRTs can hold electrical voltage for a long time. If you are not familiar with TV repairing, you can be seriously or fataly injured. That is my disclaimer. After replacing the D-Board, the problem was not solved. Obviously, the SONY diagnostics circuitry read low voltage out of the transformer and assumes the transformer went bad, but they don't tell you what else could be the problem. If the transformer voltage drops, it could be because of not enough current coming into the transformer or a short in a circuit at the output of the transformer. Then thinking, if I had green flashes (not red or blue flashes), it was clear the green CRT was the culprit. I unplugged the TV set, a couple of days later I started checking connectors and noticed the CG board (the board at the end of the Green CRT; the Green CRT is the middle CRT) was a bit loose compared to the Red or Blue CRT boards. So I pulled the board out (pull down while jiggling, no latches). Clean it well. Then I slightly bent the CRT pins, very carefully, very slightly, outwards (away from the center core). I re-inserted the board and this time, it was much tighter, and the pins were making better contact with the CG-board socket. Turn the TV on, and problem solved. No more green flashes, no more TV shutoffs. The SONY service manual did not do me any favors with the diagnostics. It should've listed all possible problems, including faulty transformer, short on CRT, bad connections, cracked cold soldering, etc. Lesson learned, and now I ended up with a spare D-board because SONY parts sales are always final. No refunds.

Jun 24, 2006 | Sony KP-51HW40 51" Rear Projection...

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