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TEK .
SERV'CE
MANUAL
Part No. 070-4759-00
Product Group 61
8560/8561/8562
Multi-User Software
Development Unit
Service Manual
Please check for change information
at the rear of this manual
First Printing MAR 1984
COIWoVTlED m EXCEUENCE
WARNING
THE FOLLOWING SERVICING INSTRUCTIONS
ARE FOR USE BY QUALIFIED PERSONNEL ONLY.
TO AVOID PERSONAL INJURY, DO NOT PER-
FORM ANY SERVICING OTHER THAN THAT CON-
TAINED IN OPERATING INSTRUCTIONS UNLESS
YOU ARE QUALIFIED TO DO SO. REFER TO OP-
ERATORS SAFETY SUMMARY AND SERVICE
SAFETY SUMMARY PRIOR TO PERFORMING ANY
SERVICE.
Copyright @) 1984 by Tektronix, Inc. A" rights reserved.
Contents of this publication may not be reproduced in any
form without the permission of Tektronix, Inc.
Products of Tektronix, Inc. and its subsidiaries are covered
by U.S. and foreign patents and/or pending patents.
TEKTRONIX, TEK, SCOPE-MOBILE, and ~ are regis-
tered trademarks of Tektronix, Inc. TELEQUIPMENT is a
registered trademark of Tektronix U.K. Limited.
There is no implied warranty of fitness for a particular
purpose. Tektronix, Inc. is not liable for consequential
damages.
Specification and price change privileges are reserved.
Printed in U.S.A.
8560/8561/8562 Service
r
PREFACE
INTRODUCTION 8561 SN 8560 SN
This manual supports the service, installation, and verifica- System 8100000 8100000
tion of the TEKTRONIX 8560 Series Multi-User Software Components and up and up 8562
Development Units (MUSDUs). Since this manual is a Ser-
vice Manual and not a User's Manual, it contains only those Microprocessor LSI-11/23 LSI-11/23 LSI-11/73
operating instructions necessary to perform system verifica- (LSI-11/73 (LSI-11/73
tion procedures. The manual is sufficiently detailed to permit optional optional
service technicians to perform on-site board-level repairs. upgrade) upgrade)
Internal disk 15M bytes 40M bytes 40M bytes
mass storage (55M bytes (80M bytes (80M bytes
capacity with with with optional
optional optional upgrade
upgrade upgrade 40M-byte
Relationship to Other Equipment 40M-byte 40M-byte disk)
The 8560 MUSDU is used primarily in conjunction with the disk) disk)
8540 Integration Unit. These two units constitute a com- External disk(s) Up to 2 Up to 2 Up to 2
plete microcomputer development lab. Uses of this lab are mass storage external external external
described in separate user manuals. capacity disks disks disks
System memory 256K bytes 256K bytes 1M bytes
(up to 1M (up to 1M
bytes bytes
optional optional
Products Supported upgrade) upgrade)
This manual supports the 8560 (SN 8100000 and above), Disk Controller MSC MSC MSC
the 8561 (SN 8100000 and above), and the 8562 Multi-User
Software Development Units. The following table summa- Number of users 2 (4 or 8 4 (8 8
rizes the basic differences between these products. supported optional) optional)
Preface-8560/8561/8562 Service
Definition of Terms Section 13 Descriptions of power-up diagnostic test
routines.
In this manual, any references to the 8560 apply equally to
the 8561 and the 8562, with the following exceptions: Section 14 Adjustment procedures.