Question about Toshiba 53H71 53 in. Rear Projection Television

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Changed my stk 392 150 ( both ) did not correct problem - HELP!

I changed my stk 392 150 both of them. My image is worse. Instaed of 3 D its all rainbow like. Can not even read to get to the cross hairs. Still get the Touch Focus Error. HELP Now What?

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  • Tony Ross Feb 18, 2007

    It seems never ending! Its soooo bad

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There are 3 low ohmage 2 watt resistors
for each stk chip, did you change those?
with-out those it may very well look worse!

Posted on Feb 22, 2011

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Make sure you have the three connectors that go to the convergence yokes to the proper spots, otherwise it will look worse.

Posted on Feb 13, 2007

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1 Answer

I changed my two IC chips and three resistances on my Hitachi TV to fix color alignments. Now the problems is that yellow and blue double image are seen at the bottom of my screen with no much effect on...


Ur tv still have dead resistors parts,test all 12 resistors parts around the 2 STK convergence ICS and changes some more dead resistors parts or changes all 12 resistors parts for sure.If tv still have the same problems after tested and replaces more resistors parts or all 12 resistors parts.Than some how when u handling and replacing the 2 STK convergence ICS and resoldering the 2 STK covergence ICS u short it out the 2 STK convergence ICS by resoldering without proper grounding ur self not to allow for static electricity to kill the 2 STK convergence ICS or u using a soldering iron to high of a wattage for doing soldering ICS work.

Apr 23, 2011 | Hitachi 43FDX01B TV

1 Answer

Problem with stk's & low olm resistors on 55 in. Sharp


It's always best to remove one leg, however there tolerance is so close you should be able to get an exact ohm reading, and I mean exact. Some are connected in parallel so if they're 6.8 ohm then you'll read 3.4. What is the number of the STK's you changed?
Yes, I would replace them again.

Feb 27, 2009 | Sharp 55R-WP4H 55" Rear Projection...

2 Answers

Seeing triple red,blue,green


you have proble with the convergences ICs if the tree colors are at fault then also check your power supply voltages the polarization resistors

Feb 08, 2009 | Panasonic PT-53TW53 53" Rear Projection...

1 Answer

Pioneer sd-533hd5, STKs changed, getting blue screen but not pict


Did you have double image before changing the stk's ? If not then there was no need to change them.. Pioneers are known for bad solder connections especially in the power supply section.. suggest checking that when you changed the stk's that there are no solder bridges between the pins of either stk ICs

Dec 22, 2008 | Pioneer SD-533HD5 53" Rear Projection HDTV

1 Answer

Help, Help, Help! Mitsubishi 73" red convergence fiasco


Thats the time you need to replaced the convergence IC.
Just click below for convergence repair kit;

http://servicemanuals.vstore.ca/

Double images and colors are blurry and fuzzy images .Blue,red and yellow wave coming up from the bottom of the screen on the lower left and cannot be adjusted this is the symptom for busted convergence IC,you must replaced this IC in order that will works better again.STK 392-xxx ICs and it's associated resistor,this resistor automatically change value,can caused truoble even though you change the ICs.If you bring this to a service center they cost you $600 to $700,but if you buy the repair kit you can save more,don't wory it is very easy because there is intallation guide including in the repair kit. Feel free to ask whatever the result... click the link for sample picture guide step by step installation;

Hope this may help;

Regards,
VOTIT

Oct 10, 2008 | Mitsubishi WS-73907 TV

2 Answers

I'm experiencing different colors on the tv when displaying an image.


If these colors appear to be like a 3-D image, the problem is in the convergence circuit. Please update this with the make and model and I will provide you with further information and instructions.

Thanks,
Dan

Sep 24, 2008 | Televison & Video

1 Answer

Sony KP-57WS500


did you replace or check the 4.7 ohm 1/2 watt resistors or the 6 pico fuses when you changed ICs? If not thats most likely your problem.

Jun 21, 2008 | Sony KP-57WS500 57" Rear Projection...

2 Answers

Replaced STK's : Still have problem. HS30


can you detail your problem pls, so that i could help you.

Apr 25, 2008 | Sony KP-61HS30 TV

1 Answer

3D image


you have to replace all 3 ic's and 2 are stk 392-110 and the 3rd one is stk 392-150 they are located on the extreme right of your tv on a long heat sink all 3 are located there.You can get replacements as well as free tech online support at
http://servicemanuals.vstore.ca/

Apr 10, 2008 | Hitachi 51UWX20B 51" Rear Projection...

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