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1、TM 11-5820-759-12 TECHNICAL MANUAL OPERATOR AND ORGANIZATIONAL MAINTENANCE MANUAL, INCLUDING REPAIR PARTS AND SPECIAL TOOL LISTS RADIO SET AN/GRC-165 (NSN 5820-00-935-8038) AND CONTROL, RADIO SET C-7648/GRC-165 (NSN 5820-00-931-9139) This copy is a reprint which includes current pages from Changes 1
2、 through 4. Title was changed by Change 4 as shown above. HEADQUARTERS, DEPARTMENT OF THE ARMY JULY 1970 WARNING Voltages of up to 1,035 and 230 volts ac and + 800 volts de exists in Receiver Transmitter, Radio RT.-902/grc-165. Be extremely careful not to come in contact with the voltages. DEATH ON
3、CONTACT can result if operating personnel fail to observe safety precautions. DO NOT operate the RT-902/GRC-165 without an RF load: a lethal shock hazard will exist and damage to the equipment can result. CAUTION Do not make resistance measurements in transistorized circuits of this equipment except
4、 as specified: the voltages present in the ohmmeter may destroy transistor. TM 11-5820-759-12 Technical Manual HEADQUARTERS No. 11-5820-759-12DEPARTMENT OF THE ARMY WASHINGTON, DC, 24 July 1970 OPERATOR AND ORGANIZATIONAL MAINTENANCE MANUAL, INCLUDING REPAIR PARTS AND SPECIAL TOOL LISTS RADIO SET AN
5、/GRC-165 (NSN 5820-00-935-8038) AND CONTROL, RADIO SETI C-7648/GRC-165 (NSN 5820-00-931-9139) ParagraphPage CHAPTER1INTRODUCTION SectionI.General- 1-1-1-3.41-1, 1-2 II.Description and data- 1-4-1-111-2-1-5 CHAPTER2.INSTALLATION- 2-1-2-72-1-2-6 CHAPTER3.OPERATING INSTRUCTIONS SectionI.Operator Contro
6、ls, Indicators, and Connectors - 3-1-3-43-1-3-5 II.Operation Under Usual Conditions- 3-5-3-93-6,3-7 CHAPTER4.OPERATOR MAINTENANCE - 4-1-4-74-1,4-2 CHAPTER5.ORGANIZATION MAINTENANCE SectionI.Maintenance - 5-1-5-85-1-5-3 II.Troubleshooting- 5-9-5-125-6-5-8 CHAPTER6.SHIPMENT, LIMITED STORAGE, AND DEMOL
7、ITION TO PREVENT ENEMY USE SectionI.Shipment and limited storage - 6-1,6-26-1 II.Demolition to prevent enemy use - 6-3,6-46-1 APPENDIX A.REFERENCES-A-1 B.BASIC ISSUE ITEMS (Deleted) C.MAINTENANCE ALLOCATION SectionI.Introduction-C-1 II.Maintenance Allocation Chart for Radio Set AN/GRC-165 -C-3 APPEN
8、DIX D.ORGANIZATIONAL MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS-D-1 INDEX-I-1 LIST OF ILLUSTRATIONS Figure NumberTitlePage 1-1Radio Set AN/GRC-165, Including Optional Power Cables-1-0 1-2Control, Radio Set C-7648/GRC-165-1-2 2-1Typical Packaging-2-2 2-2Radio Set AN/GRC-165 and Control Radio Set C-76
9、48/GRC-165 Pictorial Cabling Diagram-2-4 2-3Radio-AN/GRC-165, Typical Trailer Installation -2-5 2-4Typical Dipol Antenna Installation-2-7 2-5Antenna AS-2203/GRC-165-2-8 3-1Receiver-Transmitter, radio RT-902/GRC-165 Front Panel -3-2 3-2Receiver-Transmitter, Radio RT-902/GRC-165 Rear panel -3-3 3-3Cou
10、pler, Antenna CU-1782/GRC-165, Front Panel-3-4 3-4Coupler, Antenna CU-1782/GRC-165, Front Panel-3-5 3-5Control, Radio Set C-7648/GRC-165, Front Panel-3-5 5-1Rt Unit, Top View, Location of Lubrication Points-5-3 5-2Rt Unit, Serial Numbers Prior to #1964, Bottom View, Location of Test and Lubrication
11、Points -5-4 5-2.1Rt Unit, Serial Numbers 6407 through 6444, Bottom View, Location of Test and Lubrication points -5-4.1 5-3Antenna Coupler, Left Side, Location Lubrication Points-5-5 5-4Antenna Coupler, Right Side, Location of Lubrication Points -5-6 Change 4 i TM 11-5820-759-12 Figure 1-1. Radio Se
12、t AN/GRC-165, including optional power cables. Change 4 1-0 TM 11-5820-759-12 CHAPTER 1 INTRODUCTION Section I. General 1-1. Scope a.This manual describes Radio Set AN/ GRC-165 (radio set) (fig. 1-1) and Control, Radio Set C- 7648/GRC-165 (fig. 1-2), and covers their installation, operation, trouble
13、shooting, and organizational maintenance. It also includes instructions for using the radio set in usual and unusual conditions and for extending the transmission distance beyond the normal range. b.The maintenance allocation chart appears in appendix C and the repair parts and special tool lists ap
14、pear in appendix D. NOTE Appendix D is current as of 22 May 1970. 1-2. Indexes of Publications a.DA Pam 310-4. Refer to the latest issue of DA Pam 310-4 to determine whether there are new editions, changes, or additional publications pertaining to the equipment. b.DA Pam 310-7. Refer to the latest i
15、ssue of DA Pam 310-7 to determine whether there are modification work orders (MWOs) pertaining to the equipment. WARNING Voltages of up to 1,035 and 230 volts ac and +800 volts dc exist in Receiver transmitter, Radio RT- 902/GRC-165.Be extremely careful not to come in contact with these voltages. DE
16、ATH ON CONTACT can result if operating personnel fail to observe safety precautions. DO NOT operate the RT-902/ GRC-165 without an RF load; a lethal shock hazard will exist and damage to the equipment can result. CAUTION Do not make resistance measurements in transistorized circuits of this equipmen
17、t except as specified; the voltages present in the ohmmeter may destroy transistor. NOTE Throughout this manual references to RT-902/GRC-165 (rt unit) also refers to RT-902A/GRC-165; references to CU1782/GRC-165 (antenna coupler) also refers to CU-1782A/GRC-165; and references to C-7648/GRC-165 (rem
18、ote control) also refers to C-7648A/GRC-165. 1-3. Forms and Records a.Reports of Maintenance and Unsatisfactory Equipment. Maintenance forms, records, and reports which are to be used by maintenance personnel at all maintenance levels are listed in and prescribed by TM 38-750. b.Report of Packaging
19、and Handling Deficiencies. Fill out and forward DD Form 6 (Packaging Improvement Report) as prescribed in AR 700-58/NAVSUPINST 4030.29/AFR 7113/MCO P4030.29A, and DLAR 4145.8. c.Discrepancy in Shipment Report (DISREP) (SF 361). Fill out and forward Discrepancy in Shipment Report (DISREP) (SF 361) as
20、 prescribed in AR 55- 38/NAVSUPINST 4610.33B/AFR 75-18/MCO P4610.19C, and DLAR 4500.15. 1-3.1. Reporting of Errors The reporting of errors, omissions, and recommenda- tions for improving this publication by the individual user is encouraged. Reports should be submitted on DA Form 2028 (Recommended C
21、hanges to Publications and Blank Forms) and forwarded direct to Commander, US Army Electronics Command, ATTN: DRSELMA-Q, Fort Monmouth, New Jersey 07703. 1-3.2. Administrative Storage Administrative storage of equipment issued to and used by Army activities shall be in accordance with TM 740- 90-1.
22、1-3.3. Destruction of Army Electronics Materiel Destruction of Army electronics materiel to prevent enemy use shall be in accordance with Change 4 1-1 TM 11-5820-759-12 1-3.4.Reporting Equipment Improvement Recommendations (EIR) EIRs will be prepared using DA Form 2407 (Maintenance Request). Instruc
23、tions for preparing EIRs are provided in TM 38-750, The Army Maintenance Management System. EIRs should be mailed directly to Commander, US Army Electronics Command, ATTN: DRSELMA-Q, Fort Monmouth, New Jersey 07703. A reply will be furnished directly to you. Figure 1-2. Control, Radio Set C-7648/GRC
24、-165. Change 4 1-2 TM 11-5820-759-12 Section II. DESCRIPTION AND DATA 1-4. Purpose and Use Radio Set AN/GRC-165 is a variable frequency single sideband (Ssb) radio set, capable of transmitting and receiving lower sideband (lsb), upper sideband (Usb), continuous wave (Cw), and amplitude modulation (A
25、M) signals to be used in mobile, transportable, or fixed installations. The radio set can be operated on any frequency assigned in the 2- to 15-megahertz (MHz), high frequency (hf) range, and provides an output of 100-watt peak envelope power. The radio set has been designed for rugged service and h
26、as a splashproof case. Compactness, high reliability, and moderate power consumption result from the maximum use of transistors and other solid-state devices. Digital frequency selection is provided for both receiving and transmitting. When used with Control, Radio Set C7648/GRC165, keying and audio
27、 functions of Radio Set AN/GRC165 can be remotely extended to distances of up to 92 feet (29.04 meters) (the length of Cable Assembly, Special Purpose, Electrical C-10823/U) from the radio set. 1-5. Technical Characteristics The technical characteristics of Receiver Transmitter, Radio RT-902/GRC-165
28、; Coupler, Antenna CU- 1782/GRC-165; and Control, Radio Set C-7648/GRC165 are listed in a, b, and c below. a. Receiver Transmitter, Radio RT-9021GRC-165. Frequency range. 2 to 15 MHz. Resolution. kHz digital (13,000 channels). Frequency stability. 1 part in 106 per month. Modulation. Amplitude. Type
29、 of transmission. Usb, Isb, AM (compatible), and cw. Power output . Ssb: 100-watt peak envelope power. Cw: 100 watts average. AM: 25-watt carrier (nominal). Range. 30 miles (42 km). Transmitter output impedance. 52 ohms (swr 1.5 to 1, or better). Carrier suppression. 50 db (nominal Undesired sideban
30、d suppression. 50 db. Harmonic suppression . 45 db (nominal). Intermodulation distortion. 35 db (nominal). Receiver sensitivity (ssb). 1 microvolt for 10-db signal to noise ratio. Receiver sensitivity (AM). 3 microvolts with 30-percent modulation. Selectivity (ssb) . 300 to 3,500 Hz, 6 db. Selectivi
31、ty (AM). 11 kHz (nominal). Audio power output. 2 watts. Power consumption (ac): Serial numbers prior to #1964. 115 vac, 4 amperes; 230 vac, 3 amperes, 50 to 60 Hz, single phase. Serial numbers # 6407 through - 6444. 11 5 vac, 2.9 amperes; 230 vac, 1.5 amperes; 50 to 60 Hz, single phase. Power consum
32、ption (dc): Serial numbers prior to # 1964 With Chopper, Electronic CV-2487/URC.13.5 vdc, 28 amperes. With Chopper, Electronic CV-2486/URC.26 vdc, 15 amperes. Serial numbers d 6407 through # 6444 With Chopper, Electronic CV-2487/URC.13.5 vdc, 27 ampers 17 WITH CHOPPER, ELECTRONIC CV-2486/URC.27.5 vd
33、c. 13 amperes b. Coupler, Antenna CU-1782/GRC-165 Power rating. 150-watt average power. Input impedance. 52 ohms. Swr1.5 to 1, or better. Matching capability. All unbalanced antennas 9 feet or longer. c. Control Radio Set c-7 7648/GRC 165. Power output . 2 watts Power consumption . 13.5 vdc, 0.5 amp
34、ere. Change 4 1-3 TM 11-5820-759-12 1-6. Items Comprising an Operable Equipment FSNQtyNomenclature, part No., and mfr. code Fig. No. 5820-935-8038-Radio Set AN/GRC165 (This item is nonexpendable) consisting of: 5995-022-27421Cable Assembly, Radio Frequency CG-34671U (6 ft 3 in.) -1-1 5995-042-54781C
35、able Assembly, Power, Electrical CX-10820/GR (20 ft) or (6 ft) -1-1 5995-022-27411Lead, Electrical CX-10817/U (2 ft 6 in.) -1-1 Lead, Electrical: 162-2175; 14304 5965-102-38031Microphone, Magnetic M-143/GR 5820-935-22321Mounting MT-3975/GRC165 5820-935-22871Mounting MT-3976/GRC-165 5820-931-91521Receiver-Transmitter, Radio RT-902/GRC165 5985-931-91281Coupler, Antenna CU-1782/GRC-165 -1-1 The following is also required: Antenna AS-2203/GRC-165 consisting of: 5985-733-60421Antenna Element AT-1039/U -
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