Question about Hitachi 43UWX10B 43" Rear Projection Television

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Hitachi 43uwx10b I just replaced the IC's and still have convergence issues; red is out of adjustment. What would be the next logical step? Transistors? or... I've got the steps to manually adjust, will this get me by for a short period?

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  • Daniel Sorrels May 28, 2008

    in regards to the resistors, do you know the part number from Hitachi for the ones along the back of the heat shield for the IC's? I have replaced my IC's but continue to have converg issues and was going to look at replacing these now.

    Thank you in advance,

  • Daniel Sorrels May 28, 2008

    METAL OX. 1.5OHM 1W
    Hitachi Part Number: AT03193S

    would this be the right one?

  • Daniel Sorrels May 28, 2008

    Here's the IC part number....exact replacement.
    STK392-110 Integrated Circuit STK 392-110 IC Chip

    I have one resistor that seems to be obviously burnt, don't have the exact number with me, RK46 perhaps?

  • Daniel Sorrels May 28, 2008

    would it be wise, since they are relatively cheap to replace, to go ahead and replace all of them?

  • Daniel Sorrels May 28, 2008 has these resistors for a very reasonable price.

    when looking at the service manuals part description, for example, RK42 it is listed twice, with two different part numbers, and the description is also different??

    My question is which one to chooses. In parenthesis under part descritpion it shows the OHM's (which are different) and a DP17 or DP14G. What is this defining?

    thanks for the help!


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Check the area for pico fuses and make sure that they are good. Also, thre may be small valued resistors as current limiting resistors in that area rather than the pico-fuses. Check for those too.

Posted on May 27, 2008

  • ABRsvcs May 28, 2008

    The listing one is possible. Can you post the IC part number (STKxxx) here as well?



  • ABRsvcs May 28, 2008

    RK46 is the same as the one you listed above. Check also for RK54 and RK97 which are also the same value. Any/all of them may be bad.



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Double image, red is 2 inches off main image. convergance ic amp?

Yes, your Convergence ICs have failed. Replace the STK chips, check fuses and the resistors next to the STK chips. Replace as necessary and re-align via the service menu.

Feb 20, 2011 | Hitachi 43UWX10B 43" Rear Projection...

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My hitachi model 43uwx10b has magic focas problem's red,green,blue and yellow are moon shaped across the screen


Typical cost for all the parts on EBAY or Suburban Electronics would be under $25.


Feb 13, 2011 | Hitachi 43UWX10B 43" Rear Projection...

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Hitachi 43UWX10B HDTV Used to work great, now when I turn it on the power led flashes and no picture. What steps do I need to take to further trouble shoot this issue?

Replace the STK ICs,they are big black IC they will have PN# on them Replace Both ICs STK392-110s use 120s
Mats Electronics 1-800-628-1118

Oct 29, 2010 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

I have a Hitachi 43UWX10B that won't turn on. When I try, the red power light flashes, and I hear intermittent chirping. Any way to verify the problem and estimate repair costs?

Your convergence chips have failed.

Sometimes when they fail the TV will look 3D or distorted and sometimes it will just loose video and audio and chirp.

This is a common problem. Your convergence has gone out.

Common symptoms are...

1) 3D Video
2) Warped Video
3) Convergence menu does not adjust the red or blue correctly. 4) TV Chirps

Go here for a solution...

Sep 05, 2009 | Hitachi 43UWX10B 43" Rear Projection...

2 Answers

Red, green and blue colors don't match up on screen.

Please replace convergence out ICs (usually two) in TV.
If it is Hitachi 43UWX10B then its convergence out ICs are available in Part Store

Aug 24, 2009 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

Hitachi 43UWX10B 43" Power Light flashes Continuously

I doubt if its the fuse. We just helped a customer with a very similiar problem. Its more likely that the convergence IC have failed and shorted out. When this happens one of the symproms is that the TV will shut down and chirp. Goto and click the contact us button. They can provide you with more instructions on how to test if this is the problem.


Jun 16, 2009 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

43UWX10B problem with green

if you have a 2 IC convergence chassis they dont control the green , However if you have the 3 IC chassis the green is controlleed by the third IC these are usually STK4275 or simallar single amp ICs. Which type chassis does your hitachi have? Its possibly related to the digital convergence board if all resistor near the ICs are good. Do you have the service manual? I can post a link where you can get the full service manual if you need one

Mar 29, 2008 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer


Convergence Amp IC issue....originals are STK392-110..replace
W / upgrade Stk394-160E Hitachi part # CZ 01341 and check nearby resistors for overheating............................T.

Jan 07, 2008 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

My Hitachi 43UWX10B television

Needs Convergence IC

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