Question about Toshiba 42H81 42" Rear Projection Television
My Tv currently has no picture. To get a tech out is proving to be difficult. Can I open up the front and see if it is something as simple as a burned out bulb? Where would I go to buy parts?
It won't be a bulb or something simple from the front. My guess is that the convergence cirsuit is having a problem.. Several pico fuses you could check are F850 F851 which are 5 amp p/n # 23144842 and F852 is a 2 Amp p/n #23144841... This will indicate that the convergence amps are probably defective and/or some ring cracked joints are causing some problems, like jumper 010 in front of L7711... You really need a tech to repair this unless you have some hidden electronics talent. Tracing you'll need a dmm and scope at the least, not to mention soldering station and all the obvious other equipement.
You might try the NESDA site to locate a tech near you if you live in the states. http://www.nesda.com/locator/state_search.php
That way you can be assured of getting a reliable, highly trained technician for the job.
William Rayburn, CET
PO Box 442
Long Beach, WA. 98631
Posted on Nov 04, 2008
a 6ya Technician 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 repair professionals here in the US.
click here to Talk to a Technician (only for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
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