Question about Toshiba 43H71 43" Rear Projection Television

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Toshiba Model #43H71

We are Kim's VCR & Electronic Repair, our customer brought in Model #43H71. It came in with convergence problem we corrected that problem and now we have horizontal lines on both sides of the screen, one left side and one right side of screen. If you need to contact me my business number is 314-839-8581 or email address www.kim51348@excite.com
We are located at 8458 North Linbergh Blvd. Florissant, Mo 63031

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Go to service mans menu and try horiz width adj..

Posted on Oct 20, 2008

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The tv has red images, I cannot get the red convergence line vertically to straighten, it is squiggly, the horizontal is straight, and the blue and green lines are both okay


the 43h71 has a pair of convergence ics that commonly go bad and cause this problem. replace original stk392-110 with stk392-120. the upgrades have a collector rated at 4 amps vs the 110's 3 amps and should be more reliable.

also know that they hyperboard in this set can cause squiggly lines throughout but will not affect the convergence.

Jul 06, 2010 | Toshiba 43H71 43" Rear Projection...

1 Answer

Toshiba convergence board


$69.95
http://www.tvrepairkits.com/xcart/home.php?cat=2963

Oct 21, 2008 | Toshiba 43H71 43" Rear Projection...

1 Answer

Picture problem


The convergence amps need replacement in your tv...

Oct 10, 2008 | Toshiba 43H71 43" Rear Projection...

1 Answer

43h71 flashing power light


Remove ic's and see if it fires up..

Oct 09, 2008 | Toshiba 43H71 43" Rear Projection...

1 Answer

Blue Shadow


A qualified tech should replace both STK392-110 convergence IC's with Toshiba or Sanyo brand.............T.

Jul 24, 2008 | Toshiba 43H71 43" Rear Projection...

1 Answer

Problem with tv


If your Model is Tosh 43H71,then pull chassis and locate F850,
F851 soldered-in fuses...check with meter..if open,replace with
proper value micro fuse(s) and solder jumper wires 008,010,017,
048,600 located on signal board.Replace convergence IC's
STK392-110 with IC's from kit # X 480295 ( upgrade )...........T.

Mar 31, 2008 | Toshiba 43H71 43" Rear Projection...

1 Answer

43H71


If you're talking about the STK392-100 convergence amps, the repair manual is not a great deal of help.

Here are two websites I found helpful:

http://www.repairhelper.com/tv_board_detail.asp?identity=3809

http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Good luck.

Nov 18, 2007 | Toshiba 43H71 43" Rear Projection...

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