Question about Hitachi 43UWX10B 43" Rear Projection Television

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Convergence IC's? I suspect my Hit. 43UWX10b (5 yrs old)  requires new Convergence IC's as the several colors are bleeding down and to the left. How many convergence IC's does this model require if I were to replace them all? I got a price of about $40 US each from Sears.

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  • wooody Nov 29, 2007

    This the second time my convergence ic's have gone bad purchase unit in 2001, first convergence went out 2006, and now again 2007. I suspect the last tech's didn't quite know what they were doing , after they had left about 2hours it went out again, then it took them several different visits to complete the repairs. Colors are out of focus along with words being blurry, I'm handy with pc's is this a problem I can fix myself?



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If one or more B+ resistors have changed in value,the life of

the new IC is reduced.Compare resistors in one circuit with

match in other IC circuit.

Note: IC's can be generic cheap or name brand more expensive.

Posted on Oct 18, 2007

  • Vista Electronics Oct 22, 2007

    If you are going ahead with repair, I suggest using name-brand

    IC's. They are the most durable.Generics will work,but for a shorter time.

    As to resistors burning out==carefully,visually examine B+

    supply located right next to IC's.You can also use your meter

    to check values of the resistors.Unless you are certain a resistor

    is bad,leave it,,just change the IC's.......T.


  • Vista Electronics Nov 08, 2007

    Note: STK392-110 sub to upgrade STK394-160E....................T.


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I belive that modle takes 2 STK 392-110 make shure you only use these allso check your resistors one might be burnt out good luck oh yea thats an ok price

Posted on Oct 17, 2007


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1 Answer

My set is 10 yrs old. In the upper left and lower

Try adjusting the convergence. If it won't move see below- red IC in particular
This sounds like convergence output IC problem. convergence board would have to be removed - remove and replace 2 STK IC's and check the surrounding resistors. Shops usually charge between $200-$400 Be sure to vote/rate me if this helped Thanks!
See link for more detail

Oct 18, 2009 | Sony KP-43HT20 43" Rear Projection...

2 Answers

Hitachi 43FDX Rear Projection TV

If the picture was good prior to the 3D images, I would fix it. The convergence ICs either have poor connections or are defective. The IC is an STK392-110. There may be 2 inside the set. If you have this repaired, expect a labor cost in the $200 range. Request that the ICs be replaced rather than the board changed. This will maintain all of the internal settings and require only part replacement not a complete re-convergence adjustment.

Keep us posted.


May 01, 2009 | Hitachi 43UWX10B 43" Rear Projection...

2 Answers

Hitachi hdtv model 43uwx10b is showing a green shadow on the left side of the pictures

Good Day;
If you order KIT 10 from B&D ENTERPRISES at 1-800-458-6053 The KIT will include all parts neede and layout of part value & locations on simple paper lay out diagram.

Good Luck, big IRISH.

Jul 13, 2008 | Hitachi 43UWX10B 43" Rear Projection...

3 Answers

HITACHI 43UWX10B Color Convergence

Good Day,

Sounds like the TV's convergence circuit has failed:
*Call an Authorized Service Center and them give you an estimate cost of the repair, or
*Repair it your self; get KIT 10 locally or B&D Enterprises
Good luck, big IRISH.

Apr 28, 2008 | 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

Covergence and Bowed Picture Problem

can you adjust any color of convergence in user menu blue, or red up or down left or right. if you can make any up or down left or right adjustments on any color then the likelihood it wont be a convergence ic. it would be a output resistor. so see if you can get any movement. with it being bowed i was suspect an convergence ic.

Jan 08, 2008 | RCA P60920BL 60" 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

Toshiba TZ55V61

Hi, I`m assuming your saying the letters on the screen have different colors (red, blue, or green) shifted to the left or right?
If so try going into the menu and adjusting your "convergence"
adjustments, basically, move the red onto the green then move the blue onto the green and the bar turns white, if one or more of the colors doesn`t adjust either up/down or left/right then the convergence IC`s have failed, this will require removal of the board and unsoldering the old IC`s and installing and soldering in the new IC`s, questions? e-mail me back, BMW Rider

Jan 04, 2008 | Televison & Video

1 Answer

My Hitachi 43UWX10B television

Needs Convergence IC

Dec 03, 2007 | Hitachi 43UWX10B 43" Rear Projection...

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