Equipment information

Oberheim Prommer Midi Production Center
Manufacturer:
Model:
Prommer
Date:
1986
Category:
Group:
Description:
Digital MIDI Sampler / PROM Programmer
Service Manual
Manual Type:
Service Manual
Pages:
20
Size:
62.27 Kbytes (63762 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
01 January 1986
Quality:
Electronic document, no scan, very well readable.
Upload date:
19 August 2017
MD5:
f0fc726261a925ca3f09fd9c4dbafc0e
Downloads:
368

Information

This manual is divided into two sections. The first section is designed to assist the service technician in testing and troubleshooting the Oberheim Prommer MIDI Audio sampler / PROM programmer. The second section is a programming reference for the Prommer for those who wish to write application programs for the Prommer. The reader should have a basic knowledge of electronics and microprocessor systems, and be familiar with standard repair techniques. Introduction ... 3 Power Supply Adjustment ... 3 Initialization ... 3 Test Programs ... 4 Display Intensity ... 4 Memory Test ... 4 Display test ... 5 Sine wave test ... 5 VCC Supply test ... 5 VPP Power Supply test ... 6 Relay Test ... 6 PROM data test ... 6 Battery replacement ... 7 Circuit description ... 7 Power supply ... 7 Programmable power supplies ... 8 Battery backup ... 8 RESET circuitry ... 8 Microprocessor and memory ... 8 Clock and timing circuitry ... 9 MIDI interface ... 9 Audio input ... 10 Analog to digital Converter ... 10 Digital to Analog conversion (Playback) ... 11 Reference voltage generation ... 11 Vacuum Fluorescent Display ... 12 EPROM Programming circuitry ... 12 Switch Matrix ... 13 LED audio level meter ... 13 External Trigger Input ... 13 Prommer 6809 Programming Reference ... 14 Interrupts ... 14 Memory ... 15 Memory Map of the Prommer ... 15 Programming considerations ... 19

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