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Hello all! My first time on this forum! :) so please excuse any mistake i may make. Anyway i recently got a receiver its a Sony STR-AV920 pretty big and heavy it does not work for jack :crying: I looked into it and it apears to missing all of the output transistors plus i see a few burnt small resistors not only that the screen display will not light up i've checked all the fuses and they are not blown. My first electronics repair atempt i'm fairly familiar with most of the components, solder iron, multi meters, etc so please help me out to determin why the screen display will not light up.

Also has anyone ever used one of these before?
 

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If it does not display anything, start with the power supply. As mech pointed out, you need to get the service manual first. You will need to be able to read a schematic and troubleshoot.
 
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