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TM 9-6625-474-14&P-1




T E C H N I C A L M A N U A L




OPERATOR, ORGANIZATIONAL,
DIRECT SUPPORT, AND GENERAL SUPPORT
MAINTENANCE MANUAL
(INCLUDING REPAIR PARTS)
FOR




P O W E R M O D U L E ,
TEKTRONIX, MODEL TM 503
NSN 6625-00-373-7528




D E P A R T M E N T O F T H E A R M Y 21 DECEMBER 1984
TM 9-6625-474-14&P-1

WARNING




DANGEROUS VOLTAGE
is used in the operation of this equipment
DEATH ON CONTACT
may result if personnel fail to observe safety precautions



Never work on electronic equipment unless there is another person nearby who is familiar with the
operation and hazards of the equipment and who is competent in administering first aid. When the
technician is aided by operators, he must warn them about dangerous areas.
Whenever possible, the power supply to the equipment must be shut off before beginning work on the
equipment. Take particular care to ground every capacitor likely to hold a dangerous potential. When
working inside the equipment, after the power has been turned off, always ground every part before
touching it.
Be careful not to contact high-voltage connections when installing or operating this equipment.
Whenever the nature of the operation permits, keep one hand away from the equipment to reduce the
hazard of current flowing through vital organs of the body.


WARNING

Do not be misled by the term "low voltage." Potentials as low as 50 volts may cause death under adverse
conditions.
COMMON and probe ground straps are electrically connected. Herefore, an elevated reference applied to
any is present on each - as indicated by the yellow warning bands under the probe retractable hook tips.
For Artificial Respiration, refer to FM 21-11,

Power Source

This product is intended to operate from a power source that will not apply more than 250 volts rms
between the supply conductors or between either supply conductor and ground. A protective ground
connection by way of the grounding conductor in the power cord is essential for safe operation.



a/(b blank)
TM 9-6625-474-14&P-1


Copyright 1972, 1980 Tektronix, Inc. All rights reserved
Reproduced by permission of copyright owner.

TECHNICAL MANUAL ) HEADQUARTERS
) DEPARTMENT OF THE ARMY
No. 9-6625-474-14&P-1 ) Washington, D. C., 21 December 1984


OPERATOR, ORGANIZATIONAL, DIRECT SUPPORT,
AND GENERAL SUPPORT MAINTENANCE MANUAL
(INCLUDING REPAIR PARTS)
FOR
POWER MODULE,
TEKTRONIX, MODEL TM 503
(NSN 6625-00-373-5728)

REPORTING OF ERRORS

You can help improve this manual. If you find any mistakes or if you know of a way
to improve the procedures, please let us know. Mail your letter or DA Form 2028
(Recommended Changes to Publications and Blank Forms), direct to: Command-
er, US Army Missile Command, ATTN: DRSMI-SNPM, Redstone Arsenal, AL
35898-5238. A reply will be furnished to you.

TABLE OF CONTENTS
Page
SECTION 0. GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0-1
Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0-1
indexes of Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0-1
Forms, Records, and Reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0-1
Reporting Equipment Improvement Recommendations (EIR's) . . . . . . . . . . . . . . . . . . . . . . . 0-1
Administrative Storage . . . . . . . . . . . . . . . . . . . . . . . . . 0-1
Destruction of Army Electronics Materiel. . . . . . . . . . 0-1
SECTION 1. SPECIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
SECTION 2. OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
General: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Building a System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
installation and Pre-Turn on Procedure . . . . . . . . . . . . . . 2-3
SECTION 3. MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Parts Ordering and Replacing . . . . . . . . . . . . . . . . . . . . . . 3-3
lnstallation Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
SECTION 4. OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
SECTION 5. REPLACEABLE ELECTRICAL PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
SECTION 6. DIAGRAMS AND CIRCUIT BOARD ILLUSTRATIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
SECTION 7. REPLACEABLE MECHANICAL PARTS.... . . . . . . . . . . . . . . . . . . . . . . 7-1
APPENDIX A. REFERENCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
APPENDIX B. MAINTENANCE ALLOCATION CHART (MAC) . . . . . . . . . . . . . . . . . . . . . . . B-1
APPENDIX C. RECOMMENDED SPARE PART LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1


This manual is, in part, authenticated manufacturer's commercial literature. Recommended Spare Parts List has been added to supplement the commercial
literature. The format of this manual has not been structured to consider levels of maintenance.




i
TM 9-6625-474-14&P-1


SECTION 0

GENERAL INFORMATION


0-1. Scope. This manual contains instructions for 0-4. Reporting Equipment improvement Recom-
the operator, organizational, direct support, and gen- mendations (EIR). If your TM 503 needs im-
eral support maintenance of and calibration proce- provement, let us know. Send us an EIR. You, the
dures for Tektronix Power Module, Model TM 503. user, are the only one who can tell us what you don't
Throughout this manual, Tektronix Power Module, like about your equipment. Let us know why you don't
Model TM 503 is referred to as the TM 503. like the design. Tell us why a procedure is hard to
perform. Put it on an SF 368 (Quality Deficiency
0-2. Indexes of publications. a. DA Pam 310-4. Report). Mail it to Commander, U.S. Army Missile
Refer to the latest issue of DA Pam 310-4 to deter- Command, ATTN: DRSMI-QMD, Redstone Arsenal,
mine whether there are new editions, changes, or AL 35898-5290. We'll send you a reply.
additional publications pertaining to Tektronix Power
Module, Model TM 503. 0-5. Administrative Storage. To prepare the Tek-
b. DA Pam 310-7. Refer to the latest issue of DA tronix Power Module, Model TM 503 for placement
Pam 310-7 to determine whether there are modifica- into and removal from administrative storage, refer to
tion work orders (MWO's) pertaining to Tektronix Section 3, Chapter 4, AR 750-25-1, Maintenance of
Power Module, Model TM 503. Equipment and Supplies. Temporary storage should
be accomplished in accordance with TB 750-25-1,
0-3. Forms, Records, and Reports. Department of Section 2, Maintenance of Supplies and Equipment.
Army forms and procedures used for equipment main-
tenance and calibration are those prescribed by TM 0-6. D e s t r u c t i o n o f A r m y E l e c t r o n i c s
38-750, The Army Maintenance Management System. Materiel. Destruction of Tektronix Power Module,
Accidents involving injury to personnel or damage to Model TM 503 to prevent enemy use shall be in
materiel will be reported on DA Form 285, Accident accordance with TM 750-244-2.
Report, in accordance with AR 385-40.




0-1
TM 9-6625-474-14&P-1




Fig. 0-1.




0-2
TM 9-6625-474-14&P-1

SECTION 1

SPECIFICATION
INTRODUCTION special features between PIug-ins or with external devices
through the back panel.
Description
Performance Conditions
The TM 503 is a three-wide power module compatible
with all TM 500 plug-ins. It provides unregulated dc and ac The values listed below are valid only when the instru-
supplies and non-dedicated power transistors for plug-in ment is operated at an ambient termperature between 0