SCHEMATICS SOURCES

http://www.captain-foldback.com

Hammond Organ Schematics (click Hammond --> Hammond Schematics)

• AO-28 Preamp for B-3/C-3/A-100/RT-3/D-100 
• M-2 schematic diagram (late version serial # above 19000)
• M-2 wiring diagram (late version serial # above 19000)
• M-3 AO-29 (late version with PM speaker) Schematic
• M-3 wiring diagram (late version with PM speaker)
• M-100 AO-29 (mid 60s version with AO-44 reverb amp) schematic
• M-100 wiring diagram (for above version)
• M-100/A-100 AO-44 reverb amp schematic
• M-100/A-100 AO-35 reverb amp schematic (early A-100 and very early M-100)
• M-100 AO-67 amp and organ schematic (latest version)
• M-100 AO-66 reverb amp schematic (latest version)
• L-100 (later version with LDR expression control and AO-47 vibrato amp)
• T-series schematics
• E-100 series schematics (gif format)

Hammond Tone Cabinet Schematics (click Hammond --> Hammond Schematics)

• Series 10 tone cabinet (gif format)
• PR-40/QR-40 (various versions, zipped)
• P-40/Q-40 (including instruction sheet, zipped)
• HR-40/H-40 (various versions, zipped)
• JR-20 (various versions, zipped)
• PR-20 (including instruction sheet, zipped)

Leslie Speaker Schematics (click Leslie --> Leslie Schematics)

• Leslie 30 Vibratone
• Leslie 31A (The first 31A cabinets below serial # 1117)
• Leslie 31A (31A cabinets, serial# 1117 to 2190)
• Leslie 31W (Early 31W cabinets, later cabinets used the 46W amp)
• Leslie 31H (31H cabinets below #5200)
• Leslie 31H type 2 amp (31H cabinets serial # above 5200 and below 8000)
• Leslie 32H series III (31H and 21H(30W) cabinets above serial # 8000)
• Leslie 21H series III
• Leslie 50C
• Leslie 51 and 51C
• Leslie 46W
• Leslie 44W
• Leslie 47
• Leslie 22H
• Leslie 25
  
• Leslie 122
• Leslie 147
• Leslie 251
• Leslie 125

• Service pamphlet from the late 70's covering model 122 and 147. Includes parts lists, schematics and a description of the 70's vintage 'Leslie control center'

• Leslie 700 (roto-sonic)
• Leslie 710 (roto-sonic)
• Leslie 720
• Leslie 130
• Leslie 330
• Leslie 520

Leslie Combo Preamp Schematics/Manuals (click Leslie --> Leslie Combo Preamps)

• Leslie Combo Preamp
• Leslie Combo Preamp II (with and without console connector kit 7370)
• Leslie Combo Preamp III
• Leslie Combo Preamp Deluxe

Leslie Speaker Owner's Manuals (click Leslie --> Download Leslie Manuals)

• Leslie 22H and 22R
• Leslie 110 and 112
• Leslie 122 and 122R
• Leslie 122, 122V, 122RV, 142, 222, 222RV
• Leslie 125 and 225
• Leslie 145, 147, 147RV, 247, 247RV
• Leslie 251
• Leslie 760
• Leslie 825
• Leslie 860

The Hammond-Leslie FAQ (mirror)

Hammond A-100 Service Manual (manual page and mirror)

Hammond and Leslie Schematics (schematics page and mirror)

• Hammond B3/C3 wiring diagram & schematic
• Leslie 22H
• Leslie 122 and 145 main and reverb amps
• Bob Schleicher's tone control/booster circuit
• Bob Schleicher's AO-28 preamp FX loop circuit
• Henk Schulze's line frequency converter (50hz -> 60hz)
• Henk Schulze's tonewheel replacement circuit

Hammond Technical Service Bulletins (bulletin page and mirror)