Question about Samsung HCL473W 47" Rear Projection Television

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I need to really find an HCL473W tube, can you help me??

Ok, Im a california blonde, and my samsung HCL473W just became messed up today, the blue is screwed up. Do I just need to buy a "blue tube" ?

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easy alberta

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Check out the Convergence Gallery. If you see the colored outlines or color shading as in the Gallery, you have a convergence problem.

This requires the replacement of the defective IC or ICs and any damaged or smoked resistors. Usually there is little alignment required after the repair. If you play with all the adjustments before the fix, hours may be spent re-aligning.

Don't monkey with it.

This is a delicate and difficult repair. If not done by someone with some electronic repair experience, the TV will likely end up as junk or cost considerably more for a tech to fix the damage done.

If you live in Calgary, call me. If elsewhere, find a competent tech.


Posted on Sep 15, 2008


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    1 Answer

    I have a Samsung Tantus HCL473W, when adjusting the convergence the screen bowed and it smoked. Is it possible the power supply went out, or worse?

    Itispossible that the high voltage module went out, and to have it repair you are looking at babout 500, at the lest, and if it was me I just buy a new LCD, prices have really went down.You can good to and checkand see if they have a highvoltage, deflection module, for your set, Take care.

    Jul 08, 2011 | Samsung HCL473W 47" Rear Projection...

    1 Answer

    I have a samsung hcl473w the manual convergence doesnt seem to work with the remote, the remote has fresh batteries and works fine with everything else the screen is all blurry and the colors seem off. ...

    Please do us a favor and rate this by cliking the thumps up icon located here >>>>>>

    Projection TV sets have two very common problems. One is convergence ( 3D/Warped video) the other is CRT fluid ( Dull Video). Below are more details for both items. Also, complete repair kits with instructions and repair support are avail from site such as

    Common Problem #1) Convergence has gone out

    Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

    This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

    Common Symptoms include....

    • Screen looks 3D
    • Colors don't line up
    • One or more colors can't be adjusted when using the convergence menu.
    • Screen is bowed or warped.
    • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
    Here are some pics of convergence problems.


    69189a5.pngSOLUTION #1

    For more more examples and find a fix using this link on Fixya

    Common Problem #2) CRT Fluid is Cloudy

    Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

    Picture of a set that needs the fluid changed.

    TV set after fluid change



    You can see some more examples and find a fix using this link on Fixya

    Please do us a favor and rate this solution after reading

    Feb 11, 2011 | Samsung HCL473W 47" Rear Projection...

    1 Answer

    Have 47" Samsung HCL743W rear

    Here is what to do to confirm what problem is, go to black and white program and make sure color adjustment is turned all the way down to zero.

    What you are looking for is what color is the screen?

    If it a primary a yellow looking screen (all or most) you have bad Glycol in most likely the blue tube. These sets have a sealed area with a sealed area with Glycol (it is like antifreeze and meant to keep the face of the the three picture tubes cool).

    What can happen (usually the blue) is it becomes contaminated with bacteria====note, if blue tube is contaminated you will have yellow screen (red and green=yellow.0

    The real easy way to confirm if this is the case is with the back removed and access to the three large lens on top of the tubes look into each lens, if the blue one has no picture and looks like a floodlight, but the red and green have a picture, YOU HAVE FOUND OUT YOUR PROBLEM.

    I can tell you if this is the case I can tell you what is involved, this most likely is not a do it yourself repair but i can tell you what is needed.


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    After turning on the screen it soon turns a green tint. I just transported the tv could I have knocked something out of alignment?

    yes or the green tube is going bad. if it holds solid just a little green, you just need to turn down the screen control for the green drive. if it gets brighter and brighter green until its really intense, suspect bad tube or board.

    the green drive knob is hidden in the front, behind the front access panel. its labeled but hard to see, only turn the one know counter clockwise, it will be labeled G and SCREEN, there are 6 knobs

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    Samsung Projection tv Blue line across the screen curving up

    This set does not have a bulb. It is a tube type projection set that sounds like it has a convergence problem. Call a qualified tv repair company.

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    I have a samsung HCL473W and curved blue lines have appeared on the sreen

    Try turning down the blue G2 slightly if that doesnt help you will have to trouble shoot the blue crt drive circuit or possibly replace the blue CRT itself.

    May 04, 2008 | Televison & Video

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