Section I. GENERAL INFORMATION

TM 11-5820-765-34

Section

GENERAL

INFORMATION

1-1.

SCOPE

This manual describes direct and general support maintenance for Power Supply PP-4763/GRC

and

Power

Supply

PP-4763A/GRC.

includes

instructions

for

troubleshooting,

repairing,

and

testing the equipment. It also lists all the tools, test equipment, and materials needed for

maintenance.

of this chapter.

T h e power supplies and their maior electronic components are described in section

Operating instructions and organizational maintenance are covered in TM 11-5820-765-12.

NOTE

In this manual, Power Supplies PP-4763/GRC and PP-4763A/GRC are refer-

red to as power supply (*). Specific models are identified by unit

nomenclature, without the GRC designation.

1 - 2 . MAINTENANCE FORMS, RECORDS, AND REPORTS

Department of the Army forms and procedures used for equipment maintenance will be those prescribed

by TM 38-750, The Army Maintenance Management System (TAMMS).

1-3. DESTRUCTION OF ARMY MATERIEL TO PREVENT ENEMY USE

Destruction of Army electronics materiel to prevent enemy use shall be in accordance with TM

750-244-2.

1-4.

REPORTING

EQUIPMENT

IMPROVEMENT

RECOMMENDATIONS

(EIR)

If your Power Supplies PP-4763/GRC and PP-4763A/GRC need improvement, let us know. Send us an

EIR. You, the user, are the only one who can tell us what you don't like about your equipment. Let us

know why you don't like the design. Put it on an SF 368 (Quality Deficiency Report). Mail it to Com-

m a n d e r , US Army Communications-Electronics Command and Fort Monmouth, ATTN: DRSEL-ME-MP,

Fort Monmouth, New Jersey 07703. We'll send you a reply.

1-5. TECHNICAL CHARACTERISTICS

See

TM-11-5820-765-12,

paragraph

1-5.

E Q U I P M E N T DESCRIPTION AND DATA

Section II.

1 - 6 . EQUIPMENT CHARACTERISTICS, CAPABILITIES AND FEATURES

The power supplies function in the same way. Both provide a dc power source for communica-

tions equipment, or for any type of load with similar power requirements.

PP-4763 converts 115 volts alternating current (at) to direct current (de) at a selected regulated

voltage.

P P - 4 7 6 3 A converts either 115 or 230 volts alternating current (at) to direct current (de) at a

selected regulated voltage.

1-2