Let's Get Technical > Troubleshooting Problems
Mp-1 v2 mod 3 no output in tube anything
bunkyloo:
Just got this on Ebay DOA sound on ss only. The mod was a mess anyways since everything is so sloppy Im not sure where to start the tubes heat up lol and yes ive tried other tubes. thanks steve
Systematic Chaos:
Pics/gut shots?
bunkyloo:
I will Put some up tomorrow SC. Any Clues would be great!
Kim:
Before seeing a pic and already knowing that tubes do glow, I'd first make sure all the connections between the tubeboard and motherboard are good before moving on to the tubeboard itself. Mods/repairs to the tubeboard generally require the tubeboard to be completely removed from the unit. Maybe something got overlooked and half-assed during reinstallation...
And if "everything is sloppy" might be good idea to start over, or get another professionally-done tubeboard from MJMP.
bunkyloo:
Well I believe the tube board was purchased it looks ok its the connections on the main board its self some of the pads/ trace have been damaged and jumpers installed.
The person who sold it to me swears it was working so I think its a bad connection somewhere in that trace I guess could start with the mod schematic btw this a believe was the mjmp tube board theres depot stickers on it and the m3 on the front.
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