Let's Get Technical > Schematics & Modifications (mods)

The Vault = Schematics and Mods

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Dante:
Okay folks, here's a list of links to get you all the Schematics and Modifications that I have found (so far). If you have more, please PM me & I'll be glad to add them to this listing.

Modifications
MP-1 Level Switch Mod
MP-1 Noise Mod
MP-1 Noise Mod v2 Kit
MP-1 Stock Gain Mod
MP-1 (v1) Input Jack Conversion Mod This file ref will be deleted, New (from MJMP), see attachment
MP-1 Mod1 Last Tube Gain Stage Mod
MP-1 Mod 2 Marshall
MP-1 Mod 3
MP-1 Mod 3.666
MP-1 Mod 4 Mark II Mod
MP-1 Rear Input Jack Mod REV A Raw Pics.zip
MP-2 Noise Mod

MP-1 Schematics
MP-1 EQ section
MP-1 Preamp section
MP-1 Tube Board section
MP-1 Jacks
MP-1 LED Clip Indicators
MP-1 Power Supply
MP-1 Stock Tube Board Component Layout
MP-1 Stock Tube Board Bridgewire Layout
MP-1 Midi-To-PCB Schematic

MP-1 Classic Manual
MP-1 Classic Manual
MP-1 Classic Specsheet
MP-1 Classic Preset Chart
Setting Up Patches on the MP-1 Classic

MP-1 Classic Schematics
MP-1 Classic Chorus
MP-1 Classic EQ
MP-1 Classic Input Stage Compressor
MP-1 Classic Output Drivers & Pot Board
MP-1 Classic Power Supply & Peak Meters
MP-1 Classic Processor
MP-1 Classic Tubes

MP-1 Classic Assembly
MP-1 Classic Chassis Assembly
MP-1 Classic Interconnect Drawing
MP-1 Classic PCB Assembly
MP-1 Classic PCBD Assembly
MP-1 Classic Additional Info on Stuffing Charts
MP-1 Classic PCB Approval
MP-1 Classic PCB Revision 1
MP-1 Classic PCB Revision 2
MP-1 Classic PCB Revision 3
MP-1 Classic Sound Check Procedure

MP-2 Schematics
MP-2 Tube Stages & Master Volume
MP-2 Passive & Graphic EQs
MP-2 Output Mixer / Speaker Sims / Output Driver Stage Controls
MP-2 Microprocessor & Interface Circuits
MP-2 Loading Chart
MP-2 LED Meter and Power Supply
MP-2 Input Stage / Compressor / Wah Filter
MP-2 Eprom Update Instructions
MP-2 Eliminating Noise Gate Chatter
MP-2 Chorus / FX Loop / Noise Gate
MP-2 220V Transformer Wiring Assembly
MP-2 Factory Preset Settings (Eprom 1.41)
MP-2 Twisted Wire Cable List
MP-2 Transformer Secondary Wiring Assembly
MP-2 Taping Chart
MP-2 Soundcheck Procedures
MP-2 Shielded Cable List
MP-2 Primary Transformer Wiring Assembly 230VAC
MP-2 Primary Transformer Assembly 100VAC
MP-2 Post Dip Touch Up
MP-2 PCB Assembly Special Components Mounting Details
MP-2 PCB Assembly LED Mounting Details
MP-2 PCB Assembly Header Mounting Details
MP-2 Hookup Wire List
MP-2 Heatsink Assembly
MP-2 Front Panel Sub Assembly
MP-2 Final Chassis Assembly
MP-2 Final Chassis Assembly 2
MP-2 EI 112 XMFR Mounting Bracket Assembly
MP-2 Burn In Procedures
MP-2 Assembly Special Components Mounting Details
MP-2 Assembly and Fabrication Drawing List
MP-2 117VAC XFMR Secondary Wiring Assembly Detail
MP-2 117VAC XFMR Primary Wiring Assembly Detail
100 & 230VAC XFMR Secondary Wiring Assembly Detail

B200s Schematics
ADA-B200S-Etronics-transformer-info.pdf
ADA-B200S-PCB-fabrication-680080-rev-A.pdf
ADA-B200S-PCB-fabrication-routing.pdf
ADA-B200S-Test-procedure.pdf
ADA-B200S-Woods-transformers-220V-info.pdf
ADA-B200S-assembly-updates.pdf
ADA-B200S-chassis-2-space-small.pdf
ADA-B200S-chassis-heatsink.pdf
ADA-B200S-loading-chart.pdf
ADA-B200S-schematics-one-channel-plus-PS.pdf
ADA-B200S-transformer-220V-50hz.pdf
ADA-B200S-transformer-handdrawing.pdf
ADA-B200S-transformer-japan-domestic-2.pdf
ADA-B200S-transformer-japan-domestic.pdf
ADA-B200S-wire-lenghts.pdf
ADA-B200S-wiring-diagram-220V.pdf

Microtube 200 (MT-200) Schematics
ADA Microtube 200 Audio Board Loading Chart.pdf
ADA Microtube 200 Burn In Procedure.pdf
ADA Microtube 200 Power Supply.pdf
ADA Microtube 200 Chassis Assembly Drawing.pdf
ADA Microtube 200 Primary AC Wiring.pdf
ADA Microtube 200 Audio Channel A.pdf
ADA Microtube 200 Audio Channel B.pdf
ADA Microtube 200 Pots & Jacks Board.pdf
ADA Microtube 200 Pots & Jacks Board Wiring.pdf
ADA Microtube 200 Wiring Harness.pdf
ADA Microtube 200 Power Supply Unit (PSU) Assembly Drawing.pdf
ADA Microtube 200 Power Supply Unit (PSU) Loading Chart.pdf

Misc. Schematics
ADA T100s Schematics (PDF)

MarshallJMP:
Hey Dante


You got ALOOOOOOT of emails

W.Laturno:
If MarshallJMP has already sent this to ya please just delete it  - It's gotta be the # 1 most important mod for a dying MP-2
sorry for the attachment, I could not figure out how to PM ya with an attahcement....
( refer to attachement )

Regards,
Will.

tompatheman:

--- Quote from: W.Laturno on January 14, 2014, 12:14:34 PM ---If MarshallJMP has already sent this to ya please just delete it  - It's gotta be the # 1 most important mod for a dying MP-2
sorry for the attachment, I could not figure out how to PM ya with an attahcement....
( refer to attachement )

Regards,
Will.

--- End quote ---

Must I really change all those to get it more quite? My Mp-2 just arrived and it's really noisy

MarshallJMP:
Start with replacing R913.

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