Question about Zenith A56M91W 56" Rear Projection Television

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No Picture good sound

I have a Zenith 56 and it has not picture but good sound and I listen to see it the high voltage transfomer turns and it does not all does anyone what it could be thanks

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I had the same problem and re-soldered the DAG and the AA wire on the circuit board and now it works fine.

Posted on Jan 01, 2011

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I have sound and no pic ona zenit model number r57w46


The set will turn off the three picture tubes for several different reasons:

Voltages including High voltage are not there

Loss of either Vertical or Horizontal sweep

Loss of secondary voltages to the tubes

The set "looks" at several things when turned on and if not there no brightness is the result--rarely the picture tubes but something missing or wrong.

Jun 02, 2012 | Zenith Projection Televisions

1 Answer

Plug tv in and i get a large snapping sound from the back end


Hi:
This is usually an indiction of a cracked flyback transformer or splitter block, the spitter block is responsible for dividing the high voltage between the three CRT's or picture tubes. This could also be caused by a open tracing in the Horizontal scan circuit, Sometime bad horizontal caps go bad and cause this error also, there could also be a cracked picture tube at its neck, the best way is to take off the back and make the room dark as possible and stand a short distance away and have someone turn on the unit, you will see the arc of blue high voltage from the defective part.

Aug 24, 2010 | Zenith R56W36 56" Rear Projection...

1 Answer

Picture went out. sound works. smelled something burning


Replace Deflection/ power supply board,FBT flyback Transfomer will be on it.
Call Zenith Module Exchange 1-800-632-6637
Cheaper just to replace board.

May 02, 2010 | Zenith R60V26 60" Rear Projection...

1 Answer

Zenith r57w46 rear projection tv


the static sound may be due to a defect in the high voltage circuits, IE Fly-back transformer or and voltage multiplier, posibly high voltage leads to the CRTs arching to ground, finally horizontal sweep circuits

Apr 28, 2010 | Zenith R57W46 57" Rear Projection...

1 Answer

The sound is perfect but no picture although occassionally when switching on the picture appears for a second or so. again on occasion a amall glow will appear centre bottom of screen


Call Zenith Exchange Moduel 1-800-632-6637,Replace the power suppy board the one that has FBT flyback transfomer on it ,It will have Board number on it.I have used this company in the Past they are a good company when it comes to replacing board then to try and fix it yourself.

Oct 05, 2009 | Zenith IQC50H95W 50" Rear Projection...

2 Answers

Tv repair


I posted this many times.
the sound is basicly one circuit. the picture is thousands.
I always suspect a short in the high voltage system of the set first if sound is working.

Jul 26, 2008 | Zenith R56W36 56" Rear Projection...

1 Answer

Sound No Picture


The FBT (high voltage transformer) is bad.

Sep 06, 2007 | Zenith A56M91W 56" Rear Projection...

1 Answer

NO PICTURE...BUT SOUND


Your HV circuit is defective. Most likely horizontal output transistor is shorted and you may need to replace the flyback. You need to call an expert.

Jun 06, 2006 | Zenith R56W28 56" Rear Projection...

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