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Model 5261A

Appendix E

FIGURE A-1. Top View, Component Location

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Содержание AM-4380/U 5261A

Страница 1: ...R S ORGANIZATIONAL DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST FOR VIDEO AMPLIFIER AM 4380 U HEWLETT PACKARD MODEL 5261A NSN 6625 00 269 4593 HEADQUARTERS DEPARTMENT OF THE ARMY 8 OCTOBER 1980 ...

Страница 2: ...A ...

Страница 3: ...e fold it where shown and drop it in the mail If there are no blank DA Forms 2028 2 in the back of your manual use the standard DA Form 2028 Recommended Changes to Publications and Blank Forms and forward to Commander US Army Communications and Electronics Materiel Readiness Command ATTN DRSEL ME MQ Fort Monmouth NJ 07 03 In either case a reply will be forwarded direct to you SERIAL PREFIX 1124A T...

Страница 4: ...del 5261A Controls 3 1 3 3 Operating Procedure 3 1 3 5 Operation with Pulse Input Signals3 1 3 7 Operation with High Impedance 3 1 Probe 3 1 3 9 Video Amplifier Input Impedance 3 1 Section Page IV PRINCIPLES OF OPERATION 4 1 4 1 Introduction 4 1 4 3 Preamplifier Assembly Al1 4 1 4 5 Attenuator Switch Assembly A2 4 1 4 7 Video Amplifier Assembly A3 4 1 4 10 Output Amplifier Assembly A4 4 1 V MAINTE...

Страница 5: ...261A 3 3 5 1 Schematic Diagram Notes 5 5 5 2 Top View Component Location 5 6 5 3 Bottom View Component Location 5 7 5 4 Video Amplifier Schematic Diagram 5 7 A 1 Top View Component Location E 3 A 2 Bottom View Component Location E 4 A 3 Video Amplifier Schematic E 5 A 4 Al Preamplifier Component Location E 6 A 5 Video Amplifier Schematic E 7 LIST OF TABLES Table Page 1 1 Specifications 1 1 1 2 Acc...

Страница 6: ...out and forward DD Form 6 Packaging Improvement Report as prescribed in AR 70058 NAVSUPINST 4030 29 AFR 71 13 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 prescribed in AR 55 38 NAVSUPINST 4610 33B AFR 7518 MCO P4610 19C and DLAR 4500 15 0 4 REPORTING EQUIPMENT IMPROVEMENT RECOMMENDATIONS EIR EIR s...

Страница 7: ...Model 5261A Section I Figure 1 1 FIGURE 1 1 Model 5261A 1 0 ...

Страница 8: ...microphonic cable HP 10507fi001 with BNC connectors is supplied in the package with the Model 5261A 1 8 ACCESSORIES AVAILABLE 1 9 Table 1 2 lists the accessories available for the Model 5261ilA Video Amplifier TABLE 1 2 Accessories Available Description HP Stock No 10 1 divider probe 10 pf shunt 10003A 600V max dc to 40 Mc 50 ohm feed through termination 10100A 50 conductor extender cable 10506C P...

Страница 9: ...ument e Refer to the warranty page at the rear of this manual and check with your Hewlett Packard field office for shipping instructions All correspondence should refer to an instrument by model number and the full eight digit serial number 2 6 INSTALLATION 2 7 To install the Video Amplifier in the compartment provided at the right side of the counter front panel proceed as follows a Remove AC pow...

Страница 10: ...trol for a level which results in satisfactory counter operation Because the output level meter is an average responding device it will read low with a pulse input signal Do not use the meter as an output level indicator when amplifying pulses FIGURE 3 1 Input Impedance vs Input Frequency 3 7 OPERATION WITH HIGH IMPEDANCE PROBE 3 8 The hp 10003A 10 1 divider probe can be used with the Video Amplif...

Страница 11: ...utput to the Counter within limits acceptable to the Counter input circuits as indicated on the OUTPUT LEVEL meter 3 OUTPUT LEVEL meter meter monitors the level of the Video Amplifier output to the Counter When meter indicates in green portion of scale Video Amplifier output to Counter is satisfactory 4 OUTPUT 50 Ω connector when terminated in 50 ohms the signal at this connector is identical in f...

Страница 12: ... Set Counter SENSITIVITY to PLUG IN nector on Video Amplifier DO NOT EXCEED 5 V rms 3 Set TIME BASE to 10 ms 4 Set FUNCTION to FREQUENCY 7 Vary SENSITIVITY control until OUTPUT LEVEL meter reads in green portion of scale TIME BASE setting may vary depending upon de sired resolution of INPUT signal frequency Table 8 Observe frequency of INPUT signal as displayed 3 1 by Counter 05261 A 3 FIGURE 3 3 ...

Страница 13: ...ier assembly A4 consists of 1 output amplifier circuit 2 meter circuit 3 plus 20volt filter and 4 series regulator These four circuits are discussed in Paragraphs 4 12 through 4 15 4 12 OUTPUT AMPLIFIER Emitter follower A4Q4 provides the amplified input signal to the counter via rear panel plug P6 pin 1 This same signal is supplied to OUTPUT 509 jack J2 for monitoring with an oscilloscope or appli...

Страница 14: ...stment hp 11025A Probe 3 accuracy formerly hp 411A 21E Oscillator 10 cps to 100 kc Troubleshooting hp Model 200CD 1 mv to 500 mv Circuit adjustment High Frequency 100 kc to 50 Mc Troubleshooting hp Model 606A Signal Generator 1 mv to 500 mv Circuit adjustment Oscilloscope 10 cps to 10 Mc Troubleshooting hp Model 175A with 5 mv cm hp Model 1752A Coaxial Cable Low Microphonics Troubleshooting hp 105...

Страница 15: ...onse is outside the 3 db limits The access hole for tuning A3C4 is on the bottom of the instrument and A3Cll access hole is on the left side Use a plastic tuning wand for adjustments Adjust A3C4 and A3Cll as follows a Remove Video Amplifier plug in from counter by loosening lock screws and sliding unit out of counter plug in compartment b Use 10506B extension cable and connect Video Amplifier rear...

Страница 16: ...onnect Voltmeter to INPUT periodically to check reference level Video Amplifier output should remain between 7 db and 1 db limits 2 INPUT SENSITIVITY 1 mv to 300 mv rms a Set Counter controls as in 1 a b Set Video Amplifier SENSITIVITY to 1 MV c Connect hp 10100A feedthrough terminations to Video Amplifier INPUT and 50 Ω OUTPUT d Connect 200CD to INPUT and Model 403B Voltmeter to 50 Ω OUTPUT Adjus...

Страница 17: ...T SENSITIVITY specification check c Maximum undistorted output is 300 my into 50 ohhm load checked in 2 under INPUT SENSITIVITY specification check d Set Video Amplifier SENSITIVITY to 100 MV Adjust Oscillator output for 420 mv on Voltmeter e OUTPUT LEVEL meter should indicate at right edge of green scale If not adjust A4R13 for this indication f Adjust Oscillator output for OUTPUT LEVEL indicatio...

Страница 18: ... and solder replacement component lead to conductor pads on both sides of the board TABLE 5 3 Troubleshooting Trouble Symptom Possible Cause No output to Counter or 50 Ω OUTPUT DC voltages from Counter FET A1Q1 dead jack A4Q4 shorted P6 1 or J2 shorted Low Video Amplifier gain AQ1 weak A3Q1 A3Q6 weak A4R5 increased value Output low at frequencies near 10 cps A4C6 open A1C1 A3R18 increased value Ou...

Страница 19: ...Model 5261A Section V Figure 5 1 FIGURE 5 1 Schematic Diagram Notes 5 5 ...

Страница 20: ...Model 5261A Section V Figure 5 2 FIGURE 5 2 Top View Component Location 5 6 ...

Страница 21: ...Model 5261A FIGURE 5 3 Bottom View Component Location 5 7 ...

Страница 22: ...Model 5261A Section V Figure 5 3 and 5 4 FIGURE 5 4 Video Amplifier Schematic 5 7 5 8 ...

Страница 23: ...qi A5R9 Ot63 k 25 RIFXU LUCF 2 auLi Uh 51 4 A3RIO 0603 272D RaFAu Cp P 7 G uhmb 5b l 4h A3Rl te3 2025 nIFxu CLhP kbot uHMb 51 l 4 A3RI2 757 1Oib RIFXO MST FL h i 6 OhM l 1 oes A3RI3 u757 C126 NIFXu M T FLMh oU utHnS 2t i At A3RLI 068C3 7kf Rf FXU Cn MP 47tt uHe S 1 h A3R15 0683 24D RaIFkt CTMP 4Qbu vHMS 5 I 4w Aq 052el bob7 ASSYHOUIPUT AMPLIFlK 6OA4Rb 05061 20U5 bLANh P ilhlLO CIHCUIT BOARL A4C1 U...

Страница 24: ...L GIVEs A4RI3 21oV 0331 R VAN ta 5000 ChM 101 LIN i MLTLI CAL A4R14 O683 562S RTFXU CMPF 5609 OHMS 53 1 4l AqR5 0U683 202 RIFXU CIMP 2K ChM 5o 1 4l CI 0150 0005 CIFXO CR C100U PF 253 50S0VCw C3 015U 0005 CIFXo CLR 1GOG IF 5COVObC C4 0156 0005 CIFXa CcH ltOb F 45a DOuuuL C5 0160 0174 CIFXU Can G 47UF 80U 25vLC C6 0160 0174 CIFXO CcR C 47UF 80 25VbC JI 1250 0171 CONNECTRAa6NC INPUI J2 1250 010o CONN...

Страница 25: ...3 2215 R FXL COPP 2ec0 nHM 5 1 4 011121 Cb 2215 1 1 0e83 225 IaFrO COMP 2 2 H0 5 1 4l 1 121 Co 2225 2 1 0683 2425 H FXD COrP 24C OPHMS 5 1 4 I114l C6 2S45 2 1 0683 2725 R FX COMP 2700 OHMS I1 4W 01121 CRB 271n 1 0683 3045 R FXD COMP 300K OHMS 5 S 1 4W 01121 CB 3045 1 1 0683 3o015 aIFX COMP 360 OHMS 5a l 4l U111ICb 3615 1 0683 3625 RIFXU COMP 3ot OH ph5 5 1 4 0112CB C 3625 1 1 0683 3925 R FXD COMP ...

Страница 26: ...5 BEZEL NMETER 28480 5040 0185 1 5261 0004 BhRACKET SHIELD M3OUNTING 28480 5261 0004 1 5261 6008 ASSY SHIELD COVER ITH BRAID 28e80 5261 0008 1 9140 0183 COILIFXO RF 3 3 UH 2848U 9140 Cl43 I 1i 05261 0001 DIAL SENSITIVIIY 28480 05261 0001 1 0526 10005 SHIELDS60X 7 IhN 3 1 2 IN 28480 05261 0005 1 05261 0007 BRACKETIMETER MOUNTING 28480 05261 0007 1 021 2l1_ 4 BLANK PRI NTEI CIRCLUIT BOARD 28480 0526...

Страница 27: ...ild Semiconductor Corp Mountain View Calif 12574 Gulton Ind Inc Data System Div Albuquerque N M 19701 Electra Manufacturing Co Kansas City Mo 28480 Hewlett Packard Co Palo Alto Calif 56289 Sprague Electric Co North Adams Mass 60741 Tripplett Electrical Inc Bluffton Ohio 71785 Cinch Mfg Corp Chicago Ill 73899 JFI Electronics Corp Brooklyn N Y 75042 International Resistance Co Philadelphia Pa 86684 ...

Страница 28: ...8 7630 0180 0045 28480 5910 00 080 1890 1850 0101 28480 5961 00 774 7318 0180 0061 28480 5910 00 916 8071 1850 0102 28480 5961 00 764 3164 0180 0094 28480 5910 00 082 5119 1851 0017 28480 5961 00 826 0799 0180 0105 28480 5910 00 809 3431 1855 0081 28480 5961 00 350 8299 0180 0114 28480 5910 00 9711652 1901 0376 28480 5961 00 790 7834 0180 0212 28480 5910 00 971 1653 1902 0040 28480 5961 00 059 121...

Страница 29: ... GRH 50 TM 11 6625 602 12 Operator s Organizational Direct Support and General Support Maintenance Manual Including Repair Parts and Special Tools List for Test Set Telephone AN USM 181 U HP 3550 TM 11 6625 2953 14 Operator s Organizational Direct Support and General Support Maintenance Manual Multimeter AN USM 451 TM 38 750 The Army Maintenance Management System TAMMS TM 750 244 2 Procedures for ...

Страница 30: ...components of and basic issue items for the Video Amplifier AM4 4380 U to help you inventory items required for safe and efficient operation B 2 GENERAL The components of the end item are depicted in figure 1 1 on page 1 0 These items comprise the AM 4380 U and must be packed together whenever it is transferred or turned in B 1 ...

Страница 31: ...TM 11 6625 2906 14 P APPENIDIX C Additional Authorization List Not Applicable C 1 ...

Страница 32: ...quipments used in precision measurement Consists of comparisons of two instruments one of which is a certified standard of known accuracy to detect and adjust any discrepancy in the accuracy of the instrument being compared g Install The act of emplacing seating or fixing into position an item part module component or assembly in a manner to allow the proper functioning of the equipment or system ...

Страница 33: ... in addition to the time required to perform the specific tasks identified for the maintenance functions authorized in the maintenance allocation chart Subcolumns of column 4 are as follows C Operator Crew O Organizational F Direct Support H General Support D Depot e Column 5 Tools and Equipment Column specifies by code those common tool sets not individual tools and special tools test and support...

Страница 34: ...ir 3 0 Calibrate 3 0 1 3 5 7 C 10 Overhaul 4 0 01 Preamplifier Assembly A1 Inspect 25 1 3 5 7 A Test 5 10 Adjust 5 Repair 1 0 02 Attenuator Switch Assembly A2 Inspect 25 A Test 5 3 Repair 1 0 03 Video Amplifier Assembly A3 Inspect 25 A Test 5 4 5 9 10 Repair 1 0 04 Output Amplifier Assembly A4 Inspect 25 A Repair 1 0 4 7 Test 5 05 50 Ohm Cable Inspect 1 A Test 1 Calibrate per In Cabinet Performanc...

Страница 35: ...D Oscillator HP 200CD HP 652A HP 606A 6625 00 575 7737 AN GRM 50 4931 00 113 2943 6625 00 819 0472 6 H D HF Signal Generator HP 8614A 8640B 6625 00 495 4851 4931 00 545 2344 7 H D Oscilloscope HP 180D 1805A 1825A 6625 00 022 8228 8 H D Coaxial Cable HP 10507A 6625 00 518 2899 9 H D Extender Cable HP 105063B CX 11487 U 6625 00 868 6931 length 1 ft 7 in 10 H D Feed through Termination HP 10100A 2 re...

Страница 36: ...SECTION IV REMARKS REFERENCE REMARKS CODE A VISUALS B REPLACE FUSES KNOBS ETC C PERFORMANCE TESTS ONLY D 5 ...

Страница 37: ...Delete items A1 through A1R7 Add the following A1 05261 6005 ASSY PREAMPILIFIER BOARD 05261 2002 BLANK PRINTED CIRCUIT BOARD A1C1 0170 0055 C FXD MY 0 1UF 20 200VDCW A1C2 0160 0127 C FXD CER 1UF 20 25VDCW A1C3 0150 0096 C FXD CER 0 05UF 100VDCW A1C4 0150 0096 C FXD 0 05UF 100VDCW A1C5 0150 0096 C FXD CER 0 05UF 100VDCW A1CR1 1910 0016 SEMICON DEVICE DIODE GERMANIUM A1CR2 1910 0016 SEMICON DEVICE D...

Страница 38: ...1 Page 5 7 Figure 5 4 Replace Figure 5 4 Video Amplifier Schematic with Figure 3 of Appendix 1 CHANGE 3 Page 6 2 Table 6 1 Delete A1C 0160 0975 001UF 20 75VDCW Delete A1R7 0683 1045 100K OHM 5 1 4W Page 6 5 Table 6 2 Change Table 6 2 to reflect above part changes Page 5 7 Figure 5 3 Replace A1 portion of component locator with Figure 4 of Appendix 1 Page 5 7 Figure 5 4 Replace Figure 5 4 Video Amp...

Страница 39: ...Model 5261A Appendix E FIGURE A 1 Top View Component Location E 3 ...

Страница 40: ...Model 5261A Appendix E FIGURE A 2 Bottom View Component Location E 4 ...

Страница 41: ...Model 5261A Appendix E FIGURE A 3 Video Amplifier Schematic E 5 ...

Страница 42: ...Model 5261A Appendix E FIGURE A 4 A1 Preamplifier Component Location E 6 ...

Страница 43: ...Model 5261A Appendix E FIGURE A 5 Video Amplifier Schematic E 7 ...

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Страница 46: ...e Secretary of the Army E C MEYER General United States Army Chief of Staff Official J C PENNINGTON Major General United States Army The Adjutant General DISTRIBUTION To be distributed in accordance with Special List ...

Страница 47: ......

Страница 48: ...PIN 046855 000 ...

Страница 49: ...e it They did not even scan it Why should they get your money Why are not letting you give those free manuals to your friends I am setting this document FREE This document was made by the US Government and is NOT protected by Copyright Feel free to share republish sell and so on I am not asking you for donations fees or handouts If you can please provide a link to liberatedmanuals com so that free...

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