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The Deflexion Board goes out every 3 months - Projection Televisions

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I will need the model number of your TV in order to help you. Please respond to this same post when replying

Posted on Aug 07, 2008

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TV turns on, hear sound but no picture. Bulb isn't coming on. TV goes off after about 2-3 minutes. Bulb was just replaced 5 months ago.


Need the model number of the set and also if any lights on the TV come on or blink when the picture goes out or not.

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I have a Panasonic PT-52LCX66 television that I bought just over 4 years ago. I have replaced the bulb for the second time just 3 months ago and now the set will just shut off after about 3 minutes of...


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Ballast Board also make sure your Fans are running if Fan stops running to Lamp set will turn off Call Encompass Parts Distr. 1-800-638-3328 visit their website as well. Ballast board is what turns Lamp on.

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Blue hue accross bottom of screen - Sony KF-50WE610


You can try doing this, turn on the Tv and select the service menu, if that tint also shows on the menu, it's most probable to be your DMD board, but if it doesn't it might be the video board..

Jul 03, 2009 | Sony Projection Televisions

1 Answer

TV shut off while watching and won't come back on


It seems this is a self diagnostic function. the official sony codes are as follows

  • Five 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.
  • Six blinks - No Horizontal (H STOP), no raster, goes to the blinking self-diagnosis function immediately. Check C515 & 516 and the jungle IC, IC206.
It sounds like you have a video input problem. Have you unhooked all inputs from the TV and tried to power it back on by itself? Hope this helps

Mar 18, 2009 | Sony Projection Televisions

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looking for a filters aroud of ic deflexion vertical,thias flietrs it bad or have bad soldering,looking around skin heat

Aug 12, 2008 | Projection Televisions

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replace the power supply deflexion module sounds like a cap proplem on the board

Mar 11, 2008 | Toshiba TP50H50 50" Rear Projection...

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RCA 52" second time in the shop in less than one year, won't stay on, green light flashes 3 times then goes out


try changing the cap 150 on the same board as flyback transformer this should help with the tv not staying on.

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