Question about Toshiba 42H83 42" Rear Projection HDTV-Ready Television
I have a Toshiba 42H83 Projection TV. The power goes on with red led but no picture on screen. I opened up the TV and check for blown fuses or busted soldered component but coudn't find any. Question: 1. Any particular component I should be looking at? 2. Can I fix this myself? 3. How much would it cost to fix this TV? God Bless.
If you know how to read a schematic diagram and have the proper tools then you should be able to fix the set. The first thing and most common for your symptom is a bad regulator IC in the main power supply It will be standind up on a heat sink and start with STR and have 4 numbers after it. Now it could also be a problem in the sweep circuit but not to many faklures there. I have seen once that a blow audio output IC shorting out cause the entire set to shut down and it did take out the regulator IC with it Too. A shop repair for a set like this can run around 250 all the way up to 500 bucks depending on what the fault is. Hope this helps ya. Good Luck
Posted on Jun 03, 2006
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Posted on Jan 02, 2017
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