1、MIL-T-81978 58 W 7777906 0172536 b W -_ MIL- T-81978(AS) 6 August 1974 MILITARY SPECIFICATION TEST SET, MISSION RECORDER AN/USM-387 This specification has been approved by the Naval Air Systems Command, Department of the Navy 1. SCOPE 1.1 Scope - The equipment covered by this specification shall be
2、for ground sup Ort intermediate (shop) maintenance of the Mission Recorder Set ANPUSH- 17(V). The equipment shall generate test signals for the record electronics and monitor reproduced signals of the Mission Recorder Set. 1.2 Classification - The equipment covered by this specifi- cation shall cons
3、ist of the following items: Drawing or Moldel Number Nomenclature OP- 87/USM- 38 7 Power Supply Group Refere nce Paragraph 3.7.1 OQ - 184/USM- 3 87 Test Set Group, Recorder 3.7.2 MT-4628/USM-387 Test Stand, Recorder 3.7.3 Tape,. Recorder Test 3.7.4 1.3 Associated equipment - The equipment shall oper
4、ate with the following associated equipment: Multimeter, VOM, AN/USM-311 (FSN 226625-160-1301) 2. APPLICABLE DOCUMENTS 2.1 General - The following documents of the issue listed or of the issue in effect on the date of invitation for bids or request for proposal, form a part of this specification to
5、the extent specified herein. THtS DOCUMENT CONTAINS PAGES. -1- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-81778 58 7779906 0372537 8 m I MIL-T-81978 (AS) SPECIFICATIONS Militarv MIL- J-641/10 MIL- C-3 767/ 13 MIL- T- 5 42 2 MIL-E-16400F 24
6、 February 1966 and Amendment 4 15 May 1968 MIL-E-17555 MIL-T- 18303 MIL-N- 183 O 7 MIL-C- 21 09 7/ 14 MIL- T - 2 1 20 O MIL- C - 39 O 1 2/2 1 STANDARDS Military MIL-STD- 129 MIL- STD- 45 4 -? Jack, Telephone, Type JJ-O83 Connector, Plug, Electrical (Power, Three- Wire, Fixed Grounding Type) Type UP2
7、21M Testing , Envi r o ment al, Aircraft Electronic Equipment Electronic Equipment, Naval Ship and Shore: General Specific ation Electronic and Electrical Equipment, Accessories, and Repair Parts, Packaging and Packing of Test Procedur es , Reproduction, Acceptance, and Life for Aircraft Electronic
8、Equipment, Format for Nomenclature and Identification for Electronic, Aeronautical, and Aeronautical Support Equipment Including Ground Support Equipment Connector, Electrical, Male Adapter, Printed Wiring, Contact Spacing, O. 200, Alternate Dual Row, Type CS, Blade Contact (Mounting Provision A) Te
9、st Equipment for Use With Electronic and Electrical Equipment, General Specification * for Connector, Coaxial, Radio Frequency (Series Bnc (Uncabled) - Receptacles, Female, Jam Nut Mounted, Class 11) Marking for Shipment and Storage Standard General Requirements for Electronic Equipment -2- Provided
10、 by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-81778 58 m 9777706 01172538 T m MIL-T-81978( AS) MIL-STD-461 A 1 August 1968 and Notice 1 7 February 1969 MIL- STD-46 2 MIL-STD-704 MIL-STD-749 MIL-STD-761 B 15 July 1965 MIL-STD- 78 1 MIL-STD-794 MS3 106
11、 MS3 120 MSl7325 MS24264 MS24266 Electronic Interference Characteristics, Requirements for Equipment - Electromagnetic Int e r f e r enc e Char ac t e ri s ti c s , Me a su r ement of Electric Power, Aircraft, Characteristics and Utilization of Preparation and Submission of Data for Approval of Nons
12、tandard Electronic Parts Electric Power, Alternating Current for Shipboard Use, Characteristics and Utilization of Reliability Te st s, Exponential Distribution Parts and Equipment, Procedures for Packaging and Packing of Connector, Plug, Electric, Straight Naval Air Svstems Command Connector, Recep
13、tacle, Electric, Crimp- type, Wall Mounting, Flange, No. 4 Holes, Bayonet Coupling Meter, Time Totalizing, Digital, 11 5 Volt, 60 or 400 Hertz Connector, Receptacle, Electrical Flange Mount, Miniature Connector, Plug, Elect rical- Straight, Miniatur e AR- 1 O Maintainability of Avionic Equipment and
14、 Systems, General Requirements for -3- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-T-BI778 58 m 7777706 0372537 I m MIL-T-81978 ( AS) 2.1.1 Availability of Documents - (1) When requesting specifications, standards, drawings, Copies of this s
15、pecifica- and publications, refer to both title and number. tion and applicable specifications required by contractors in connection with specific procurement functions may be obtained upon application to the Commanding Officer, Naval Publications and Forms Center, 5801 Tabor Avenue, Philadelphia, P
16、ennsylvania 19 120. -4- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_ MIL-T-81778 58 7777906 01725LiO W MIL-T-81978 (AS) 3. REQUIREMENTS _ 3.1 Testing - This specification makes provision for testing (see 4). 3.2 Materials, parts, and processes -
17、 The materials, parts and processes shall be in accordance with MIL-T-21200 or MIL-E-16400 (where specified). 3.2.1 Selection of parts, materials, and processes - Except as specified herein, MIL-T-21200 or MIL-E- 16400 (where specified) shall apply for the selection of parts, materials and processes
18、. 3.2.2 Approval of nonstandard parts and materials - Approval for the use of nonstandard parts and materials shall be in accordance with Step I and Step II only of MIL-STD-749. 3.2.3 Samples required for parts and material approvals - When specified by the procuring activity, samples of nonstandard
19、 parts shall be submitted in accordance with MIL-T-21200. 3.3 Design and construction - The design and construction of the eauizment shall be in accordance with MIL-T-21200 or MIL-E- 16400 (wheAre specified). 3.3.1 Total weight - The total weight of the equipment, includ- ing cables, shall be a mini
20、mum consistent with good design and shall not exceed 460 pounds. 3.3.2 Microelectronic items - Microelectronic items shall be hermetically sealed. 3.3.3 Electron devices - Electron tubes and semiconductor devices shall be in accordance with MIL-T-21200. 3.3.4 Modules, maintenance - The electronic po
21、rtions of the equipment shall be divided into maintenance modules as specified in AR- 1 O. specified. . Modules shall be considered repairable unless otherwise 3.3.5 Headset jacks - Headset jacks shall be Type M641/10-01, . in accordance with MIL- J-641 3.3.6 Time totalizing meter - The equipment sh
22、all contain time totalizing meters conforming to MS17325. A time totalizing meter shall be incluied in the following units. /- . Unit - Power Supply Radar Indicator Signal Generator -5- Type of Meter MS17325 - 2 MS17325 -2 MS17325-2 Provided by IHSNot for ResaleNo reproduction or networking permitte
23、d without license from IHS-,-,-MIL-T-81778 58 m 7997706 0172541 T m 3.3.7 Cables and connectors - The equipment shall provide for the use of cables and connectors in accordance with MIL-T-21200 or MIL-E- 16400 (where specified). Insofar as is practicable, all connectors on the front panel shall be m
24、ounted along the lower edge of the panel and in no case shall their location be such that the connecting cables will interfere with the operating controls. 3.3.7.1 Cabling - The test equipment cabling shall be compatible with the equipment to be tested. the cabling used in the normal installation of
25、 the equipment being tested. It shall be the electrical equivalent of 3.3.7.2 External connectors - External connectors shall pro- vide for the following (see figure 9): Ref er enc e Connect o r Designation Type 2A3 J1 M390 12/21 -0002 2A3 J2 M39012/21-0002 2A3 J3 M39012/21-0002 2A3 54 M641 /i 0-0 1
26、 2A3 57 M39012/21-O002 WlP1 MIL- C-3 76 7/ 13 Type UP221M W7P2 MS24266G24- B5 7SN W7P3 W7P4 W8 P1 MS24266G18 - B31S6 MS3106F- 16-1 1 P MS3106F-20-4P Function Rep r oduc e Digit al Data Output Reproduce Digital Data Sync Output Reproduce Test Sync Output External Audio Input TV Monitor Video output P
27、ower Input to Power Supply Group Record Signal Output to Mission Recorder Electronics Unit MX-9226(V)/USH- 17(V) Power Output and Signal Connection for Recorder Remote Control Unit C-9 071 /USH- 17(V) t28 VDC Power Input 115 VAC, 400 Hz Power Input -6- Provided by IHSNot for ResaleNo reproduction or
28、 networking permitted without license from IHS-,-,-MIL-T-81978 58 - 9799906 0372542 1 W MIL-T-81978 (AS) Reference De signation W8P2 W9P1 w9 P2 WlOP1 WlOP2 WllP1 W11P2 W12P2 Connector Type MS24266G12B3S6 MS3 1 06 F- 1 6 - 1 1 P MS24266G14B4SN MS24266G22B32PN MS2426 6G22B3 2SN MS24266G24B43 PN MS2426
29、6G24B43SN MS24 26 6 G 2 OB 2 8 PN Function 115 VAC, 400 Hz Power Output to the Mission Recorder Electronics Unit, MX-9226(V)/USH- 17(V) t28 VDC Power Input t28 VDC Power Out- put to the Mission Recorder Tape Trans- port Unit, RO-429(V)/ USH- 17(V) Signal Connection for Mission Recorder Electronics U
30、nit, MX-9226(V)/USH- 17(V) Signal Connection for Mission Recorder Tape Transport Unit, RO- 429(V)/USH- 17(V) Power Input and Con- trol Signal Connection from Mission Recorder Electronics Unit, MX- 9226(V)/USH- 17(V) Power Output and Con- trol Signal Connection to Mission Recorder Tape Transport Unit
31、, RO-429(V)/USH- 17(V) Reproduce Signal Input from Mission Recorder Electronics Unit MX- 9 226(V)/USH- 17(V) 3.3.8 Controls - The front panel controls shall be in accordance with MIL-T-21200. Controls shall provide for the following: - 7- Provided by IHSNot for ResaleNo reproduction or networking pe
32、rmitted without license from IHS-,-,-flIL-T-L778 58 7777706 0372543 3 Co nt r o 1 RADAR SCAN Switch ARE LEVEL Switch FUNCTION Switch ATTACK COMMAND Switch LAMP TEST Switch RADAR MODE Switch AUDIO LEVEL Control CONTRAST Control BRIGHTNESS Control HORIZONTAL Control V ERTIC A L Cont ro 1 Function Sign
33、al Generator control which selects ARE or PPI scan radar channel signals for the Mission Recorder and Radar Indicator. Signal Generator control which selects ARE 30 or ARE 60 digital channel test signals for the Mis- sion Recorder. Signal Generator control which selects SELF TEST, RECORD or REPRODUC
34、E testing function of the Test Set. Signal Generator control which switches simulated attack signal ON or OFF. Signal Generator control which, when pressed, verifies operation of FAULT and RADAR MODE indicator lamps. Signal Generator control (located behind front panel) which selects simulated AN/AP
35、Q-92 or AN/APQ-148 radar signals for the Mission Recorder. Radar Indicator control used to adjust speaker audio level. Radar Indicator control used to adjust CRT display contrast. Radar Indicator control used to adjust CRT display brightness. Radar Indicator control used to adjust horizontal positio
36、ning of the CRT display. Radar Indicator control used to adjust vertical positioning of the C RT display. -8- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MILZ-81978 (AS) C ont ro 1 115 VAC Switch t32 VDC Circuit Breaker -32 VDC Circuit Breaker BL
37、OWER Circuit Breaker Function Power Supply control used to switch 115 VAC, 60 Hz power for the equipment ON or OFF. Power Supply pushbutton reset circuit breaker used to pro- vide overload protection for 115 VAC, 60 Hz power input to the i-32 VDC power supply subassembly. Power Supply pushbutton res
38、et circuit breaker used to provide overload protection for 115 VAC, 60 Hz power input to the -32 VDC power supply subassembly. Power Supply pushbutton reset circuit breaker used to provide overload protection for 115 VAC, 60 Hz power to the equipment (except t32 VDC and -32 VDC power supply subassem
39、blies). 3.3.9 Human engineering - Human engineering shall be in accordance with MIL-CTD-454, Requirement 62. 3.4 Availabilitv - 3.4.1 Reliability - When specified by the procuring activity, the contractor shall conduct a reliability program in accordance with Require- ment 35 of MIL-STD-454. procuri
40、ng activity. 3.4.2 The program plan shall be approved by the Maintainability - When specified by the procuring activity, the contractor shall conduct a maintainability program in accordance with Requirement 54 of MIL-STD-454. by the procuring activity. The program plan shall be approved 3.4.3 Interf
41、erence control - The generation of electromagnetic interference by the equipment and the vulnerability of the equipment to electromagnetic interference shall be controlled within the limits of MIL- STD-461 for class 1C equipment except for the following: (1) accordance with Test Method CEO1, the con
42、ducted emissions shall not exceed the limits by more than 20 dB. Power lead conducted emissions - When tested in -9 - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-BL778 58 7779706 037254S 7 9 MIL-T-81978 ( AS) (2) accordance with Test Method
43、 REO1, magnetic inter- Magnetic field radiated emissions - When tested in ference measurements shall be made at-a distance of 24 inches, minimum, from the face of the Radar Indicator CRT. 3.4.4 Maintenance provisions and field testing - Provisions for maintenance shall be as specified in MIL-T-21200
44、. and test facilities shall be provided to the greatest extent practicable for ease of field testing and maintenance. Specific test points 3.4.5 Nomenclature and namedates - Nomenclature assign- ment and nameplate approval for equipment identification shall be in accordance with-MIL-N-18307. 3.4.6 S
45、ervice conditions - Service conditions (environmental) shall be in accordance with MIL-T-21200 for class 3 equipment. . 3.4.7 Standard conditions - The following conditions shall be used to establish normal performance characteristics under standard conditions and for making laboratory bench tests.
46、Temperature Altitude Room ambient Normal ground Vibration None Humidity Room ambient Input power voltage 115 VAC, 60 He 3.5 Transportability - Except as specified herein, trans - portability requirements shall be in accordance with MIL-T-21200. designed for lifting or transporting by forklift vehicl
47、es. 3.5.1 Forklift provisions - The equipment shall not be 3.6 Performance characteristics - The performance of the equipment shall be as specified herein. 3.6.1 Output signals - The equipment shall provide the output signals described herein to the Mission Recorder. signals shall be as shown in ref
48、erenced figures. Timing of output 3.6.1 : 1 Horizontal Sweep output - The output signal shall conform to Waveform A, Figure 1, 2, 3 or 4: depending upon selected mode and scan. -10- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-EIL-T- 81578 ( AS) -
49、e- I ;:I II c II It 3 I- a w ll w a wo I-z 44 wn Wh *p. +3E- -3E rn COLD -l- e zci -v Y -11- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T- 81578 ( AS) I h O Y) NY) . .+ II Q ww wo LL Vau O AW n N mo . .Y) mon I +I I II 2 LDY) I-I- I OY) ?i7 *. f5 II W wo t- wo Wh n +-I- -= v COY)
