Question about Toshiba 42H83 42" Rear Projection HDTV-Ready Television

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NEXT HYPER UNIT replace all 10mf 16v capacitors and everything should be good to go.

Posted on Feb 22, 2008

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Convergence amp ic bad
Or send to

Posted on Feb 21, 2008

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Picture went out and red light on the stand by button blinks ten times and stops for sec and starts the ten blinks all over. When I turn TV on I can hear sound of the tv trying to turn on but no sound or...


10 blinks on KDP-57WS655 model no. is an error code for "High voltage protection". I can tell you exactly which part gone bad and assist you to fix it yourself. Click it here.


Sep 29, 2011 | Sony Grand WEGA KDP-57WS655 57" Rear...

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My 52" rear projectionT.V. Is about ten years old and for the past year the picture takes a while to appear. Sometimes the picture will blink on and off for hours, while other times the picture will only...

You generally have a weak capacitor in the power supply, that will delay a startup! Second to these are poor grounds on any and all ICs attached to heat sinks. A heat sink is a large metal piece mounted on the TV board. It is a cooling fin to reduce heat on the IC. The pins are underneath these, and will have cracked rings around them. These of course reduce voltage and a promote a slow startup. Please check all capacitors with a capacitor checker and look closely underneath the TV board for bad solder grounds and resolder!

Sep 25, 2010 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Blue screen shuts off

THIS set is one of a group with bad picture tubes, blue is most common---tubes only available on rebuild basis and expensive. There is another way---I can tell you how to try to make a manual adjustment that may cure the problem--takes ten minutes and easy to do. Let me know if you want to know what to do. I am here to help SD TECH

Sep 06, 2010 | Sony KP-51WS500 51" Rear Projection...

1 Answer

I change the light bulb and still no picture or sound. It turn on then off. The red light blink three times. How do I fix the problem

If you have the owner manual it will tell you what the 3 blinks means.

I know it is one of two things: either the lamp door is not properly closed(these sets had a history of the door being warped by heat which causes this----I can tell you a easy way to see if this is your problem.)

The other possible cause (again owner manual would tell you) is these sets also have a history of a thermal fuse failing for no reason.

Let me know if you want to see if it is the door problem----takes ten minutes and you will know instantly.

Regards, SD TECH

Aug 05, 2010 | Sony Grand WEGA KDF-50WE655 50" Rear...

1 Answer

Odd picture....

Yes, your convergence is off. There is a function in the menu for adjusting these propoerties. It is supposed to be done monthly but rarley is. If it is ten years old or more, the cooling fluid in the projection tubes can get low, causing fish bowl effect. Not a cheap job and time intense. Try adjusting the convergence first. It gives you three screens to aling each color then save. Good luck!

Jul 25, 2009 | Projection Televisions

1 Answer

Sony 60 inch M.N. KDF -E60A20

the DIC board has gone bad. this is the exact symptom. it is expensive (200-400) and could be replaced by an technically apt person.

Aug 14, 2008 | Sony Grand WEGA KDF-60XS955 60" Rear...

1 Answer

I loose picture on my big screen

bad voltage regulator - BA09FP requires a bit of tech experience to replace, but its relatively easy. It took me about 1 hour to replace mine. If you need clarification on this, email me at Doin12volt at yahoo

Jul 03, 2008 | Mitsubishi WS-65513 65" Rear Projection...

1 Answer


you need to replace the 2 convergence ic's located on the right hand side mounted on 2 heat sinks you need 2 STK392-110's you can get them plus picture installation instructions plus free online tech support at this link takes only about 45mins to fix

Apr 25, 2008 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

57h82 toshiba projection tv

Hyper board bad = No longer available part # 23148024 PTS
rebuild only...send core in........57H82..............................T.

Part # is specific to model !....

Mar 20, 2008 | Toshiba 50H82 50" Rear Projection...

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