Emu sp12 service manual

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Extracted text from emu sp12 service manual (Ocr-read)

Page 1

SP-1 2
SAMPUNG
PERCUSSION SYSTEM

SERVICE MANUAL

By Steve Davies

Page 2

INTRODUCTION

The SP-12 is a powerful and complex instrument. E-mu Systems Inc. intends this
manual to be an aid to the experienced service technician only.

To service the SP-12 you should know about the 7400 series of digital logic, the 2-80
CPU and its family of peripherals, ADCs and DACs, op-amps, transistors and power
supplies. The minimum equipment required to service and repair the SP-12 are, a
digital multimeter, a 60Mhz dual trace oscilloscope and basic technician hand tools.

The information contained in this manual is proprietary to E-mu Systems inc. The entire
manual is protected under copyright and none of it may be reproduced by any means
without written permission from E-mu. This manual is available only to approved
service people and is property of E-mu Systems. It is best to consider all of the data
secret and use it only to service the SP-12.

We feel obliged to remind you that any modification of an SP-12 other than as
specified by a factory authorized Engineering Change Order (ECO) will void the
warranty of the instrument.

Please read this manual thoroughly before attempting to service the SP-12. If you feel
unsure about working on the instrument, contact our service department.