Question about Toshiba 57H81 57" Rear Projection Television
This morning the color on the TV was showing lots of blue. After attempting several times to press the touch focus button, the same results appeared.
The horizontal blue line (the last check) did not produce a straight line, it was curved on the top and bottom line. Then an error message appeared,
"Touch Focus Error."
You have a bad convergence output IC in the blue vertical circuit. On the bottom side of the chassis you will see a " V " printed by the heat sink. You will need to unsolder the heat sink and the 20 pins on the IC to remove it. Replace with STK 392-180 (sanyo) if possible or STK 392-150. Looking from the rear the heat sinks are big aluminum finned rectangles. There are 2 heat sinks one marked H and one Marked V. Even though you have a horizontal line your problem is in the vertical IC. Be sure to use a liberal dose of heat sink compound.
Posted on Aug 03, 2008
Hi,
A 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
The service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Good luck!
Posted on Jan 02, 2017
Dec 30, 2010 | Sony KP-51HW40 51" Rear Projection...
Aug 14, 2010 | Toshiba 65HDX82 65" Rear Projection...
Feb 04, 2010 | Toshiba 50HDX82 50" Rear Projection...
Jan 05, 2010 | Toshiba 42H83 42" Rear Projection...
Sep 11, 2009 | Toshiba 42H83 42" Rear Projection...
Jan 05, 2009 | Toshiba 57H81 57" Rear Projection...
Jan 05, 2008 | Toshiba 42H83 42" Rear Projection...
Nov 24, 2007 | Samsung HCN4226W 42" Rear Projection...
Oct 15, 2007 | Toshiba 57H81 57" Rear Projection...
Jun 20, 2007 | Toshiba 43H71 43" Rear Projection...
Feb 12, 2014 | Toshiba 57H81 57" Rear Projection...
130 people viewed this question
Usually answered in minutes!
×