Question about Zenith R45W47 45" Rear Projection HDTV

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Blue wont alaign

What is the mechanical setup and the electrical setup? I have my tv apart and need to know how to get this fixed.

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If the blue will not align then most likely you have a convergence ic that has gone bad and maybe some of the low ohm resisters that are next to it.

Posted on Sep 11, 2009

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1 Answer

Ws-65611


you have convergence menus
Activate ……..MENU-2-1-5-9

Coarse Green Tilt
Coarse Red & Blue Tilt
the TV should have a Crosshatch or convergence signal

green done first to make it level
then blue and red to match the green

be carefull not to change any other setting other than the Tilt; because you can really mess up your convergence


if the menu adjustments dont do this for you:

you have a light box assembly inside the set that has the Red, Green and Blue Guns mounted on it: it can be mis alaigned as a whole causing what you are discribing. Also, you have a mirror that relects the guns onto the back of your screen: less likely but it could be misaligned..

Just be carefull not to touch any of the following:
wires, circuits, circuit boards, heat sinks, and especially the three Big wires that go to the 3 picture tubses... they have high voltage
the heat sinks could also be live .. Just be carefull !

make sure you have really good lighting and room to work and you should be able to fix this without a problem.








Ed

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42' polaroid tv wont show screen still


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