true bypass with led diagram '74 reissue mxr phase 90 [Archive]

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spofftastic

12-03-2008, 12:39 AM

is there anyone or anyplace i could find a diagram on how to make a mxr 74 reissue phase 90 true bypass with a led (and input grounding)? i had another thread similar to this earlier except i forgot to ask for one with an led. bob v helped me out very much last time. can anyone help?

Coach

02-16-2009, 09:38 PM

bump for an answer?

warioblast

04-04-2009, 09:31 AM

bump

warioblast

04-04-2009, 02:58 PM

http://fabrice.detang.club.fr/p90.jpg

Alright, I successfully modded mine this afternoon. If someone wants some details shoot me a PM.

warioblast

04-05-2009, 10:52 AM

I din't take pictures while doing the mod. I took some when the job was done but it's a bit messy inside so I quickly drew this to make it more understandable.
http://fabrice.detang.club.fr/p90tb.jpg
I did a "standard" TB wiring; the schematic on the right is the grounded input wiring.