Question about Zenith IQC50H95W 50" Rear Projection Television

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Zenith IQc50H94W have been reading some info on the website, can't seem to get rid of the red ghosts. Is it possible to just replace the circuit board itself or are they too costly to do that rather than repair any bad solders? Thanks Rick

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Convergance amp ic are bad.

if you want the board repaired see pts corp

Posted on Dec 14, 2007


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Someone gave me used Zenith HDTV. Everyone is yellow, grass is yellow, etc. Can't seem to fix it.

It seems your TV set has a problem in the R ( red) gun in the RGB circuit. It means that the red color circuit is missing. To fix this fault it requires some knowledge in electronics and is a good challenge for an electronics hobbist. Generally is a faulty RGB output transistor on the small board attached to the CRT neck. To trace it, mesure the voltages in the colector of the three big transistors on the mentioned board. One of them may have low voltage or even none. That is the culprit. Replace it and you are done.

Good luck.


Sep 21, 2013 | Zenith Televison & Video

1 Answer

I am unable to adjust the red color in the convergence adjustment on my IQC50H94W 2000 Zenith 50". From everything I read I believe I need to replace my Convergence IC Chips, however I am not 100%...

Your convergence has failed and needs to be repaired. Once quick test is to goto your convergence menu and see if you can adjust red and blue. If not its has failed and needs to be fixed. You can call in a repair shop or you can get the parts and instructions from and do the repair yourself. Its a fairly easy DIY fix.

Jul 24, 2011 | Zenith IQC50H94W 50" Rear Projection...

1 Answer

Problem aligning the red + on the screen

need to replace convergence IC chips to correct this issue

Dec 18, 2010 | Zenith IQC50H94W 50" Rear Projection...

1 Answer

I have an old (over 15 years) Zenith TV that I don't really want to get rid of. It is a console model in a very nice wooden 'case' on a swivel base. It's a very lovely piece of furniture. The TV has seen...

Have you tried to contact Zenith? They have a small office in Lincolnshire, Illinois I believe. Mabe you could get some info from them. They are now owned by LG (Lucky Goldstar)
Hope this helped you out. louie12fix on fixya or lmistyrel bye for now.

Sep 17, 2009 | Televison & Video

1 Answer

I have a zenith projection tv model # PVY4665

I have Zenith D.V.D V.C. R. Recorders The v.c.r. is working the D.V.D. I put Memorex D.V.D read no D.V.D i put Sony D.V.D REAd no D.V.D i like why no working The model no XBR 716 120-60 hz 24w Service no X br716 Ul File no E 225515

May 12, 2009 | Zenith Televison & Video

1 Answer

I have a Zenith Projection 50" TV IQC50H94W that has a blue arc

You need to replace your STK392-150 I.C.'s, Also, check all of the large nearby resistors, make sure none are burned, and remember, you have to check the resistance out of circuit with a meter.

once the resistors are checked, and the convergence I.C.'s replaced, you should be able to converge the picture through the user menu.

Dec 18, 2008 | Zenith IQC50H94W 50" Rear Projection...

1 Answer

Same old red convergence issue

they wont show any signs of being bad if you cant adjust the convergence the ICs and possibly a few of the convergence resistors will need replacement. You can get new ICs and resistors at the following link and they come with free instaltion instructions.

Jun 21, 2008 | Zenith R40W46 40" Rear Projection...

1 Answer

Zenith IQC50H94W Color Loss

check the 180 volts that is the supply of the CRT Grid.

Oct 03, 2007 | Zenith IQC50H94W 50" Rear Projection...

1 Answer

Zenith IQC50H94W will not power up

First off, check Q655,EP98,and D756. If they all check good it may take a service manual to troubleshoot this set which is based on the Hitachi DP-05 chassis and is similar to their model 53FDX01B.

Jan 24, 2007 | Zenith IQC50H94W 50" Rear Projection...

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