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How to clean zenith IQB50M90W - Zenith Televison & Video

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IQB50M90W 50" Rear Projection convergence issue

convergence chips need to be replaced. this can be done yourself but it takes ome soldering skills. Convergence repair kits can be purchased onlne for around $65. most kits come with step by step instructions, some have DVD repiar at shop can run $300 to well over $600 god luck.

Nov 30, 2013 | Zenith IQB50M90W 50" Rear Projection...

1 Answer

Can mirror and lens be cleaned?

Yes, with compressed air for dust contamination,.. Careful not to use solvent cleaners on plastic parts. Lens solutions can be used with a lint free cloth on glass components,.....always apply solution to cloth, then clean, avoid spraying solutions. Try and inconspicuous area first, if unsure of results.

Jan 24, 2010 | Zenith IQB50M90W 50" Rear Projection...

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Need new screen were can i get 1 and how much

j_mac_will, Zenith is owned by LG (lucky goldstar) but I think Zenith still has space in a building in Lincolinshire Illinois, Southwest quadrant of intersection Ill rte 22 and rte 21. maybe give them a call if you can find a number for them. louie12fix on fixya rate this if it was helpful!

Oct 10, 2009 | Zenith IQB50M90W 50" Rear Projection...

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Liquid gel

Thats coolant. Thats bad.
Call a Zenith service place and ask how much to replace that gun and clean up the mess.

Nov 09, 2007 | Zenith IQB50M90W 50" Rear Projection...

1 Answer


If the overall picture is just dark looking not as bright as should be could be C745 capacitor.

Oct 24, 2007 | Zenith IQB50M90W 50" Rear Projection...

1 Answer

Zenith 50 In Rear Projection Hour Glass

My picture is a double image and has a sideways hourglass on the screen. Please help me!

Oct 08, 2007 | Zenith IQB50M90W 50" Rear Projection...

1 Answer


try using a code listed under Hitachi brand name, believe set is made by hitachi on this model.

Apr 14, 2007 | Zenith IQB50M90W 50" Rear Projection...

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Schematic for Zenith IQB50M90W, and a problem.....

A service manual is available from for a download for about 24 bucks. I have An IcQ50H94W. Your problem sounds like a bad solder connection or a regulation problem. Good Luck PS please dont forget to rate this thread.

Oct 30, 2006 | Zenith IQB50M90W 50" Rear Projection...

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