Question about Toshiba 50HX70 50" Rear Projection Television

1 Answer

Toshiba projection tv

I had problems with the color convergent. i replaced the ICs and now i plugded it in and now all i get is a blinking red light near the power button.
•no picture
•no sound
•NO NOTHING!
What did i do wrong?

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  • Toshiba Master
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Check for solder bridging between the IC pins. also make sure the wire connections are back in the proper locations

Posted on Feb 14, 2008

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1 Answer

Blinking red Light


Hi, thank you for visit fix ya.
Common problems on this tv ( cause no power):
1.- Loose connection between connectors and cool solder around fly back. ( re solder all).
2.- IC vertical output and capacitor in same section ( 100uf, 220uf,3300 uf and 2.2uf ), replace all.
3.- STKs ICs convergence , need be replace ( check any resistor around STKs, for burn or brown color).
----- Try to do step by step; you will repair your tv.
I will be here for any future question.
Thank you

Jul 17, 2009 | Toshiba 50A60 50" Rear Projection...

1 Answer

My Toshiba 42H81 has no picture and has a red blinking light by the power button. Still have the audio from my Tivo coming in but no picture!


If it shuts off and then the power light starts blinking red or if it never gets picture and the power light blinks red constantly that is usually indicative of the convergence ICs (STK 392-110). You never want to replace the ICs without also replacing the resistors that are associated with them. There are usually 6 resistors, one for each of the colors and there corresponding direction, IE Red horizontal, red vertical, blue horizontal, ect. You will find them right where the STK 392-110 ICs are. Right in front of them. You can get the parts from www.bdent.com They carry the ICs and the resistors. If you do not feel comfortable completing this repair I could do it for you if you send me the board. My email address is: missionelectronics@sbcglobal.net Cost = 375.00 and that includes all parts.
Good Luck.

Jun 25, 2009 | Toshiba 42H81 42" Rear Projection...

1 Answer

No picture & the red power light just blinks


If it shuts off and then the power light starts blinking red or never turns on but the power light blinks red continuously that is usually indicative of the convergence ICs (STK 392-110). You never want to replace the ICs without also replacing the resistors that are associated with them. There are usually 6 resistors, one for each of the colors and there corresponding direction, IE Red horizontal, red vertical, blue horizontal, ect. In the case of this model tv all of the resistors are 2.2 Ohm and 2watts. You will find them right where the STK 392-110 ICs are. Right in front of them. They are blue and have this color code on them: Red, red, gold, gold. These are represented by stripes on the resistors. You can get the parts from www.bdent.com They carry the ICs and the resistors. If you do not feel comfortable completing this repair I could do it for you if you send me the board. My email address is: missionelectronics@sbcglobal.net The cost is 375.00 and that includes all parts.
Good Luck.

Mar 08, 2009 | Toshiba TP43H95 43" Rear Projection...

1 Answer

I have a 1998 Toshiba TP43H95 I want to fix myself


If it shuts off and then the power light starts blinking red that is usually indicative of the convergence ICs that you are refering to (STK 392-110). You never want to replace the ICs without also replacing the resistors that are associated with them. There are usually 6 resistors, one for each of the colors and there corresponding direction, IE Red horizontal, red vertical, blue horizontal, ect. In the case of this model tv all of the resistors are 2.2 Ohm and 2watts. You will find them right where the STK 392-110 ICs are. Right in front of them. They are blue and have this color code on them. Red, red, gold, gold. These are represented by stripes on the resistors. You can get the parts from www.bdent.com They carry the ICs and the resistors. If you do not feel comfortable completing this repair I could do it for you if you send me the board. My email address is: missionelectronics@sbcglobal.net
Good Luck.

Mar 03, 2009 | Toshiba TP43H95 43" Rear Projection...

3 Answers

Power light blinks off and on, nothing else


try unplugging the three convergence yokes then try powering up the set to see if it powers up. If it does replace both convergence ICs

Feb 03, 2009 | Toshiba 55H70 55" Rear Projection...

1 Answer

Helpme


Replace Both of your convergence ICs they are big black ics STK392-110? use 180s .

Dec 14, 2008 | Panasonic PT-53TW53 53" Rear Projection...

1 Answer

Toshiba TP43H95 projection tv has power but no picture


If it shuts off and then the power light starts blinking red or it never comes on but the power light just blinks red continuously that is usually indicative of the convergence ICs (STK 392-110). You never want to replace the ICs without also replacing the resistors that are associated with them. There are usually 6 resistors, one for each of the colors and there corresponding direction, IE Red horizontal, red vertical, blue horizontal, ect. In the case of this model tv all of the resistors are 2.2 Ohm and 2watts. You will find them right where the STK 392-110 ICs are. Right in front of them. They are blue and have this color code on them. Red, red, gold, gold. These are represented by stripes on the resistors. You can get the parts from www.bdent.com They carry the ICs and the resistors. If you do not feel comfortable completing this repair I could do it for you if you send me the board. My email address is: missionelectronics@sbcglobal.net The cost is 375.00 and that includes parts.
Good Luck.

Nov 03, 2008 | Toshiba TP43H95 43" Rear Projection...

1 Answer

CONVERCENCE PROBLEMS


did you replace the convergence resistors with the ICs? Often the resistors will need to be replaced also when new ICs are installed. 3 blinks means convergence Failure so its either the solder connections on the ICs or the resistors need replacement. If you need more assistance please let me know.

Sep 27, 2008 | Televison & Video

1 Answer

Hewhen lp


The convergence ICs need to be replaced. # blinks is the error code for the convergence. You will need two STK392-110 Convergence ICs you can get replacement ICs at the following link with free shipping and free instalation instructions with pictures.
http://servicemanuals.vstore.ca/

Jul 10, 2008 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

55HX70


needs convergence ics period

Nov 24, 2006 | Toshiba 55H70 55" Rear Projection...

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