Question about Mitsubishi VS-50607 50" Rear Projection Television

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Vertical jitter and dark picture

Retrace lines at top of picture and dark picture

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  • Steve C Perkins Dec 31, 2007

    change C2po2, C2po4, C2po5, and 9v reg. Set will work great.

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C2po5 and Ic2p01

Posted on Dec 09, 2007

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1 Answer

Picture up side down vertical retrace lines


Upside down picture is due to the connection reversal to vertical scan section winding at the deflection yoke.
If you wish to know more about retrace lines, and the repair work to it; visit this site. http://electronicshelponline.blogspot.com/
Reasons for retrace lines are given with illustrations.

Mar 30, 2015 | Televison & Video

1 Answer

Daewoo dtq-206sc have retrace lines


if retrace lines at top of picture the issue is in the vertical circuit--usually a bad filter cap and or the output chip (most of the caps that cause that are 220 uf or 330 uf and connected directly to one pin on the chip.

If retrace lines are across entire screen---likely the master screen control on the Flyback is set too high--causes excessive brightness and the retrace lines.

May 22, 2012 | Daewoo DTQ-20U6SC 20" TV

1 Answer

I WAS WATCHING MY SAMSUNG TV MODEL LN32A450C1DXZA AND WHITE LINES APPEARED ON 3/4 OF THE TOP PORTION OF THE SCREEN, HAD THE TV FOR ONLY FOUR YEARS


This fault is due to leakage of electrolytic capacitors in the vertical stage that is why top retrace lines are visible over the picture,if you are technical person check the capacitors in the vertical stage by replacing the same.

Jan 22, 2011 | Samsung Televison & Video

1 Answer

Several lines run across the top of the screen


Several lines acroos the screen at the top along with picture is a typical fault. You are seeing vertical retrace lines. Either the supply smoothing capacitor to the power supply given to vertical output Ic or vertical output capacitor connected to the vertical output pin of that Ic may faulty. Usually the supply smoothing capacitor seen faulty. It may be over 1500Mfd eletrolytic capacitor used there. It may get value reduced by 40 percent or so, this falult will occur. Please replace the two capacitors together and will get the result.

Oct 15, 2010 | Toshiba 27A34 27" TV

1 Answer

Vertical jitters on picture - JVC AV48P776


What you are experiancing is loss of High voltage. The line is called a retrace line. It is usally caused by failure of the flyback circuit or aging of the TV tube. This is the single most common failure with CRT based display systems. The high voltage can be tweaked up, to accomidate for the age of the tube. Its a short term solution. Because of the high voltage nature of this circuit, suggest a professional repair.

Jun 29, 2009 | JVC AV48P777 Television

1 Answer

Lines at top of screen


I have seen issues with complaints of raster with vertical retrace lines at the top of the picture and capacitor 2494 needs to be removed.

Jul 23, 2008 | Philips 27MT3305 27" TV

1 Answer

Hitachi model # 57UWX20B, IT HAS WASHED OUT VIDEO ON ALL CHANNELS WITH VERTICAL PROBLEM, PIP WORKS OK, WILL NOT PLAY VCR TAPES OR GAMES, BUT IT WILL PLAY THEM ON PIP. I CHECKED ALL CONECTIONS AND CAPS,...


The problem with the video from the VCR and Game console only being in the PIP window is likely cured by hitting the swap button (or its equivalent) on the remote control. With the Washed out video on all channels, that could be caused by defective capacitors on the CRT drive board, usually 470uF @ 10-16Volts . It could also be caused by dust buildup on the Lenses, and if the set was used in a room where people smoked, the mirror probably has a film of nicotene on it as well. I don't know what you mean by a vertical problem as well. If it involves retrace lines at the top and a shortening at the top and bottom, then I would suspect capacitors in the vertical circuit there as well. If it is a vertical jitter that you are experiencing, I would suspect bad solder connections in that same area.

Jan 25, 2008 | Televison & Video

1 Answer

Had horizontal Lines replaced now have error 21 xray circuit


White horizontal line (no vertical deflection)
Check / replace R548, R549
Sound but no picture except for a couple of horizontal colour lines
Replaced the frame chip TDA8356, set now ok
Severe vertical jitter on picture, horizontal sides of picture ragged
Replacing the TDA4950 cured the fault
White line down centre of screen (top to bottom}
Replace C805

Nov 24, 2007 | Mitsubishi VS-60707 60" Rear Projection...

1 Answer

No picture/vertical lines on screen


it's called retrace lines ,your screens are set to high or focus block assy which has the screen adjustments on it also is faulty

Apr 17, 2007 | Sony KP-53S65 53" Rear Projection...

1 Answer

TV Bars


These are called vertical retrace lines. They are going to get worse untill you find the bad capacitor(s) or replace the vertical driver/output IC. Please, if you have not the solid state repair experience, get a pro to assist you in this repair as there are no user replaceable parts inside this set. Good Luck PLease do not forget to rate this thread.

Dec 11, 2006 | Curtis CM27002S 27" TV

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