Click here for pdf scans of various synth brochures and articles. I tried to list all models below. Apologies for the long list but if you are searching for this stuff via your favorite search engine, this is the only way it'll come up, and finding that oddball rare scan can be absolute gold.
Roland
JX-8P and PG-800, JX-3P and PG-200, Jupiter-6, Juno-106, Synth Plus-60 (HS-60), SH-101 and MGS-1, EP-50, MPU-101, MPU-103, TR-707. TR-909, TR-606, TB-303, CR-8000, CR-5000, SBX-80, MSQ-100, MSQ-700, JSQ-60, BOSS Dr. Rhythm DR220A and DR-220E, Alpha-DRUM DDR-30/PD-10/PD-20, Alpha Juno-1 and Alpha Juno-2, DEP-5, DG CMU-810 Compu Synth, Juno-106, Juno-6, Super JX JX-10, MKS-100, MKS-50, MKS-7, MKS-70, SBX-80, SDE-3000/1000/2000, TR-505, Octapad PAD-8, TR-727, Jupiter-8, MC-8, System 700, CPE-800, VCA-800, System 100M, System 100, Jupiter-4, Promars, SH-2, SH-09, CSQ-600, CSQ-100, SH-1, SH-5, SH-2000, SH-7, SH-3A, SH-1000, VP-330, RS-09, RS-505, SA-09, SIP-300, SIP-301, SPA-240, SPA-120, SPV-355, SVC-350, SBF-325, SDD-320, SPH-323, SMX-880, SRE-555, RE-502, DC-30, DC-20, CR-78, CR-68, TR-66, MKB-1000, MKS-30, MKB-300, MKS-10, MKS-80, MPG-80, JX-3P, MC-4, MM-4, MC-202, MIDI-DCB, MTR-100, CV Interface, Piano Plus-400 HP-400, Piano Plus-300 HP-300, RE-150, RE-501, RT-1L, MPU-104, MPU-105, Cube-100 (CK-100), Cube-60 (CK-60), Cube-40 (CK-40), KS-2, KS05, KS-6, KS-11, KS-1000, TB Series Carrying cases, PSA AC Adapters, KS-1100, SC series soft cases, AB series resin-molded cases, MR-1, RH-10, DP-2/6, FS-1/2/3, M-16C/64C, BR-2/3, RD-1000, MKS-20, MKB-200
Yamaha (note the documentation adds the - in the descriptions. So you CS70M in the title, but CS-70M in the body). I thought that was interesting.
CP-30, CP-20, GS-1, CP-10, CP-11, CS-70M, CS-40M, CS-20M, MQ802, CP-80, SK-50D, SK-15, CS-15D, CE-20, CS-01, CS-15, CS-5, SK-30, SK-20, SK-15, SK-10, GS-2, CE-20, MA-10, MM-10, MH-10, KS-50, KS-100, E1005, E1010, MQ802, CP-80, CP-70B, CP-35, CP-25.
Korg
PS-3300, PS-3200, PS-3100, PS-3010, PS-3040, PS-3050, PS-3001, VC-10, MS-10, MS-20, MS-50, SQ-10, MS-03, MS-02, MS-01, 800DV, 700S, 900PS, M-500SP, PE-2000, PE-1000, KA-180, FK-3, FK-1, V-C-F, Mr. Multi, SE-500, SE-300, EM-570, SP-2035, SM-20, Mini Pops 120W 120P, Mini Pops 7, Mini Pops 45, Mini Pops 35, Mini Pops Junior, Korg Quartz, WT-10A, GT-6, RT-10,
Vintage Synth Story - magazine scans
Crumar DS2, Sequential Circuits Pro-One, RSF Kobol, Roland TB-303 and TR-606, TR-808, PPG Wave Computer, PPG Wave 2, Oxford Synthesizer Company OSCar, EMS Polyvoks, Oberheim OB-X, Octave-Plateau Voyetra Eight, EMS Polysynthi, Moog Minimoog, LinnDrum, Korg PS-3100, Korg MS20, EMS Synthi AKS, ELKA Synthex, ARP Sequencer, ARP Quadra, Korg Polysix, Korg PS-3200, Moog System 3P, Korg Trident mkII, Moog Liberation, Memormoog, Mutron Bi-phase, Oberheim 2 Voix, Oberheim Xpander, PPG Wave 2.3, Roland CR-78, Roland VP-330, RSF PolyKobol, Moog 960 and 961, Sequential Circuits Prophet 10, Vox Super Continental, Yamaha CS-15, ARP, Chroma, Sequential Circuits Drumtraks, EMS Vocoder 5000, E-MU Drumulator, Korg Story, Yamaha CS70M, Korg, Synton Syrinx, Roland MC-4, Oberheim 6 voix, Simmons SDS V, Simmons SDS.3, PolyKobol RSF, Keyboards Synthe Story Part 1 and Part 2.
