Question about Hitachi 43UWX10B 43" Rear Projection Television

4 Answers

Convergance issues and possible suspect resistor

Hello I am having problems with the white green and pink or red not lining up properly. I opened the back and found a resistor rk58 that measures .5214 Mega Ohms. The resistor is discolored so I can not tell the rating of it. I would also need to know the ratings of the other associated resistors. Any help would be great.

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  • yankees1 Mar 21, 2008

    I already tried that. Like I said reisitor rk58 is reading .5124 Mega Ohms so I would imagine it is a resistor problem and possibly an ICS Chip trouble

  • yankees1 Apr 10, 2008

    I ordered the service manual online. I replaced the rk58 3.9 ohm resistor and the IC chips, part number cz01341. Turned the TV on did an auto adjustment and the TV is fine. Thanks for the input.

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To play safe. replace that resistor.

about your convergence problem, All the available geometry and grayscale tracking adjustments are done by manual controls located inside the set. They may be labelled. A service manual is required to make any adjustment.

SERVICE MODE WARNING:

Without proper documentation and training, you can probably do quite a good job of messing up your television set, perhaps even damaging it.
Don't mess around with the service mode adjustments unless you know what you're doing and have the service manual to guide you.
Once you enter service mode the first thing you should do is record all the original values BEFORE you change anything! - This is the only way to restore the television to its original (factory default) state should it become necessary to do so.

Posted on Mar 25, 2008

  • earl norman llanera
    earl norman llanera Apr 10, 2008

    well thats good to hear, in any situation, if you think i had assisted you in any way, please rate my solution. thanks a bunch!

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You need a service manual give make and model to look for

Posted on Mar 25, 2008

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Reading a resistor 'in circuit' will almost always affect it's ohmic ratings. And you say it's discolored? Sure sign of either aging from heat or excess current.

do you plan on doing the repairs yourself?

Posted on Mar 25, 2008

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Hi,

Try the changing the Cable.This has fixed many convergence problem.

Regards.
Riz

Posted on Mar 21, 2008

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