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Sony kp-er53m91 replaced picos, ics stk tv stated workin ok but goin off thrashin red and its goin off at different times

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6ya6ya
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Posted on Jan 02, 2017

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SD Tech
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SOURCE: Where can you obtain the STK-392-560 IC's for the

On EBAY select advanced search, then search by seller----sewsales55 is SUBURBAN ELECTRONICS in Maryland. Chips are located on deflection board, usually to the left as seen from the back.

See attached photo.

If this helped you rate this solution as very helpful as I do this here for free.


SD TECH

7113f1b.jpg
SEE THE FINS ON THE TWO SINKS? CHIPS ARE ON OTHER SIDE.




1814447.jpgYOURS WILL LOOK LIKE THIS BUT HAVE STK-392-560 PRINTED ON FRONT OF THEM.


GOOGLE SUBURBAN ELECTRONICS--THEY HAVE A ONLINE CATALOG AND 800 NUMBER--YOU CAN GET THEM FAST.

Posted on Sep 15, 2010

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How to go in service mode for tv sony kp-46wt500.i did change the stk ic,the convergence is good in the midle but bad on the side


Did you replace the pico fuses on the G board there are two and usually one will blow when the old ICs fail and just replaceing the two ICs on the D board will usually not fix the issue untill the two pico fuses are checked and the blown one is replaced.

Mar 20, 2012 | Sony KP-46WT500 46" Rear Projection...

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Kd-46wt500 sony big screen colors dont line up is projectors goin out picture on tv is blurry pic looks stretched out as well


Can you verify the model number and see if its A KP46WT500 model? If so chances are just the convergence Ics ( stk 392-560 ) and pico fuses are the problem. There are 6 3.5 amp pico fuses directly beneath the heat sink fins on the D board ( where the Convergence ICs are located) Check those six pico fuses and also two 5 amp picos on the G board ( where power cord plugs in) if any of the picos on either board are open then the Convergence ICs will require replacement.

Sep 26, 2011 | Sony KP-46WT500 46" Rear Projection...

1 Answer

The color on our Sony KP-57XBR10 57 in. Rear Projection Television has become fractured. All images show in overlapping threes - one reddish, one greenish and one white. Can this be fixed, or should we...


Yes this set can be Fixed it is a common repair. You need to replace Both of your convergence ICs
They are Big Black ICs and will have Part Number on them example STK 392-110
Mats Electronics has ICs 1-800-628-1118
You will also need to check the pico Fuses that are in Front and back of ICs they look like resistors but will be Yellow or Green 5amps -7amp pico fuses make sure they are OK.

Jun 23, 2011 | Sony KP-57XBR10 57" Rear Projection...

1 Answer

The tv shows only red and blue it projects three


You need to replace Both STK ICs . They are Big Black ICs and will have PN# on them
example STK392-110
Mats has ICs 1-800-628-1118
Also check the Pico Fuse in Front and back Of ICs they look like resistors ,But will be Green or Yellow 5amp, 6amp, 7amp.

Feb 22, 2011 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Green projection light not alligning with red and blue. Flash focus will not bring them back. Sony Rear Projection KP-48S70


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
http://www.ehow.com/how_4575598_yourself-projection-tv-repair-convergence.html
Note:The convergence/defletion/power board (the one the IC's are on) of this model is on the left hand side (when facing the back of set) also check for blown pico fuses when replacing the convergence IC's The best way to replace the IC's resistors and possibly fuses is to remove the entire board.

Oct 19, 2009 | Sony KP-48S70 48" Rear Projection...

1 Answer

Started see red and green in the tv picture and a funny looking line in upper left corner. words on screen are shaddowed with red and green


Replace both of your STK convergence ICs will have part number on them also ck pico fuses around ICs they will look green or yellow like resistors, but are Fuses.STK392-110 example.

Sep 16, 2009 | Sony KP-57WS500 57" Rear Projection...

1 Answer

My kp 53xbr45 will not turn on, the stand by light only flashes


Ck Blue capacitor next to hori out out transistor 2Kv high voltage cap. then where your STK ICs they are big black ics will have part number on them most of the time one of them is bad and will shut tv off always replace both ics and CK all pico fuses around ICs they look like resistors but are fuses they are Green or yellow.

Aug 07, 2009 | Sony KP-53XBR45 53" Rear Projection...

1 Answer

Color video rear projector...........color red is misaligned


convergence amplifier ICS !!! replace them and associated pico fuses ICS # start with STK

Dec 22, 2008 | Sony KP-46WT510 46" Rear Projection HDTV

1 Answer

Sony kp-53hs30 rear projection TV


replace the two convergence ICs and a couple 3.5 amp pico fuses. You need STK 392-560 convergence ICs. You can get replacment ICs and pico fuses at the following link. with free instalation instructions with pictures.
http://servicemanuals.vstore.ca/

Aug 15, 2008 | Sony KP-53HS30 53" Rear Projection...

1 Answer

Sony projection tv convergence issue


You will need two STK392-560 Convergence ICs and you will also need two of the 3.5 amp pico fuses as Sonys will always blow at least two of the Pico fuses. You can get replacement ICs and Pico fuses at the fiollowing link and they provide free instalation instructions. Heres the link.
http://servicemanuals.vstore.ca/

Aug 10, 2008 | Sony KP-51HW40 51" Rear Projection...

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