This is mostly a collection of schematics I have found published in several web sites, with the purpose of having them at hand, for me and for anyone else. No one of them has been reversed engineered by myself or scanned from copyrighted material.
BOSS OD-1
BOSS DS-1
BOSS DS-1 (new version with standard opamp)
BOSS OD-2
BOSS OD-2r
Keeley Compressor 4 Knobs
MXR 6 band Eq
BOSS BD-2
EQD Tentacle
Original OS-2 circuit
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BOSS OD-3
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DOD FX40B (7 band EQ)
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MXR 6 band EQ
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MXR 6 band EQ
Yamaha DI-01
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MXR Distortion+
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TubeScreamer
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Blue Note
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Animal
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Philosopher’s Tone
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Radio Philips B6
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Marshall 5506
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Klon Centaur
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FlexDrive
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BOSS SD1
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BOSS FW3
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BOSS SD-1
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BOSS DS-2
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Blues Deluxe
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Xotic BB Preamp
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Bassman
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Flying Cloud Schematics
3 way cap switching
DOD FX53 (sorry for the low quality, look below)
DOD FX53
DOD FX17 (Wah-Volume-Expression pedal, really awsome)
BOSS PH-1
BOSS PH-1r
BOSS PH-1r (better resolution but no layout)
BOSS PH-1 very early version (PCB revision B)
BOSS MT-2