Question about Toshiba 53H71 53 in. Rear Projection Television
I have the model t.v. above. The touch focus button says "Error" each time I press it. I don't know how to fix the convergence manually via the remote. The color isn't good....too much red, not enough green, but the color/tint isn't working very well. Also, there is now multiple images on the screen (ghosts) that just started. Any idea what the trouble is. Am wondering if this is going to be too costly to have a repairman come in to fix. The T.V. is only about 4 years old.
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Posted on Jan 02, 2017
Also,check micro fuses F851,F852,etc.
and with a good digital meter, check resistors feeding B+ to
I have been using Stk392-110T made by Toshiba with no re-calls.Hitachi also has an upgrade IC.
And be sure to check your soldering of IC pins--good connect,
with no short.....T.
Posted on Oct 25, 2007
Posted on Jan 14, 2008
SOURCE: hitachi 61udx10b
Replace Both of your STK ICs they are your convergence ics they are big black ICs will have Part# on them for example STK392-110, if they are 110s use 180s, if 020s use 040s other wise replace with exact same number. To get Parts call Electronix 1-800-223-3205
Posted on Dec 30, 2008
yes you can get the PT47WX49 convergence repair kit at the following link listed under their Panasonic kits category. The kits contain the two Convergence ICs and the feed resistors plus a CD which has the installation instructions. www.tvrepairkits.net
Posted on Jun 25, 2009
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This set uses two Stk-392-110 convergence IC chips; both need to be replaced along with any of the 2.2. ohm light blue resistors around them; a bad resistor will be white in the middle; You can buy both for less than 13 dollars plus shipping on Ebay.
The chips are located on metal heat sinks with fins and are side by side. They are black(about 2 inches wide by 1 1/2 tall) and should have the STK-392-110 number printed on them in white.
Depending on your level of skill at this kind of work you may be able to do it yourself---if you need step by step instructions contact me---I have them in Microsoft word---start to finish repair including what you will need to do it.
If you are not able to do the repair yourself now is the slow time of year for TV repair shops----It should be fixable right in your home and the repair takes about an hour--I have done hundreds of these sets--some shops charge 300-400 but I do lots of them for 200-250 total cost. Make sure whoever you get changes BOTH of the chips!
Shop around and if they say "needs to go to shop" keep looking; any good tech can do this right in your home.
I do this here for free so if this helps you give me a vote here. If you need direct help contact me.
Posted on Aug 27, 2009
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Even if the pix appears to be "OK", the internal convergence
alignment (in servicer mode) must be accurate within certain
parameters for the Touch Focus function to complete w/o error.
Adjustments should be done in "Full" mode,both HD & regular
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