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Discussion Starter · #1 ·
My alpine PKG-M780 worked great for 1.5 years but now one monitor works fine and the second one powers up ok but no video. I swapped monitors and cables and have the problem narrowed down to no video signal being output from the "black box" on Monitor 2. I sent it to Alpine for repair but they refused to repair a grey market unit with no s/n. (Note to self - buy from authorized dealer)
If Alpine sold the black box as a replacement part I would buy one, unfortunately they don't. I have not been able to find any schematics or independents to repair it. At this point I am considering putting a jumper in from monitor 1 video output to monitor 2 and see if that will work, but without the schematics there will be a little trial and error involved.
Any suggestions or assistance is greatly appreciated.
 
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