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Sequential Circuits 420 TOM Drum
Manufacturer:
Model:
420 TOM
Date:
1985
Class:
Type:
SubType:
Digital Drum Machine
Service Manual
Manual type:
Service Manual
Pages:
28
Size:
5.99 Mbytes (6278393 Bytes)
Language:
english
Revision:
Manual-ID:
TM420A
Date:
01 July 1985
Quality:
Scanned document, all readable.
Upload date:
07 August 2018
MD5:
a69a4f895dcb3ced3d894b5e438c3c47
Downloads:
87
Information
SYSTEM/CHASSIS 0.1 Abnormal Power-on Indications 0.1 Updates 0-1 TOM 1_5 Software Update 0.1 Cassette Interface 0.1 Memory Loss 0.1 Figure 0.1 Location of Reset Modification 0.2 Figure 0.2 Original ROM Decoding Circuit 0.3 Figure 0.3 Original Reset Circuit 0A Expansion 0.5 Mechanical Disassembly/Reassembly 0.5 Functional Description 0.6 Main Operating System 0.6 Sound-Generating System 0.6 Hardware Description 0.7 Non-designated Components 0.7 1 PCBS 1 AND 2 1.1 Schematics for PCBs 1 and 2 Sheet A 1-3 Sheet B 1.^ Sheet C 1-5 Designator map, PCB 1 1.6 Hardware Description 1.7 Integrated Circuits 1.7 Other Components 1.17 Non-designated Components 1.19

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