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Old 01-20-2018, 10:40 PM   #45
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Join Date: Oct 2012
City & State: Folsom, CA
My Country: USA
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Posts: 3,720
Default Re: Sony XBR75X850C no picture backlights on

Ok no power here. Is the ICD1 on the right the master voltage regulator? It's dead. I can touch pin 3 to 2 on ICA1 or ICB1 and get roughly either 6.5 or 10.4v depending on which one I cross together. This is essentially bridging the path to the ICD3 to achieve 10.4v at AVDD.

ICD4 also dead.
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File Type: jpg 20180120_203858.jpg (563.2 KB, 18 views)
File Type: jpg 20180120_203848.jpg (535.7 KB, 17 views)
Did I leave the soldering iron on?

Last edited by freakaftr8; 01-20-2018 at 10:44 PM..
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