HP 6269b Manual do Utilizador

TM 11-6625-2958-14&PTECHNICAL MANUALOPERATOR’S, ORGANIZATIONAL,DIRECT SUPPORT AND GENERAL SUPPORTMAINTENANCE MANUAL(INCLUDING REPAIR PARTSAND SPEC

TM 11-6625-2958-14&P1-14 ORDERING ADDITIONAL MANUALSyour local Hewlett-Packard field office (see list atrear of this manual for addresses). Specif

SECTION IIINSTALLATIONTM 11-6625-2958-14&P2-1 INITIAL INSPECTION2-2 Before shipment, this instrument was inspect-ed and found to be free of mechan

Figure 2-2. Bias Transformer Primary Connectionsfor 208Vac Operation (Model 6259B, 6260B, 6261B,6268B, and 6269B) and 115Vac Operation(Except Model 62

Figure 2-4.Power Transformer T 1 PrimaryConnections for 208Vac Operation(Model 6260B and 6269B)of power transformer T1 (see Figure 7-4) and solderit i

TM 11-6625-2958-14&Pb. Perform Steps (b) through (e) of Paragraph2-22.2-25 CONNECTIONS FOR 50Hz OPERATION2-26 For operation from a 50Hz ac input,

TM 11-6625-2958-14&PSECTION IllOPERATING INSTRUCTIONSFigure 3-1. Front Panel Controls and Indicators,’ Modal 6259B, 6260B, 6261B, 6268B or 6269B3-

TM 11-6625-2958-14&PFigure 3-2. Normal Strapping Pattern3-7 CONSTANT VOLTAGE3-8 To select a constant voltage output, proceedas follows:a. Turn on

then proceed at a slower rate towards zero. Theactual time required for the output to fall from twovolts to zero will vary from several seconds toseve

TM 11-6625-2958-14&PFigure 3-5. Remote Voltage Programming,Non-Unity Gain (Constant Voltage)(less than 30ppm Per degree Centigrade) character-isti

Figure 3-7.Remote Voltage Programming,Unity Gain (Constant Current]3-36 Voltage Programming, Unity Gain (Figure 3-7).In this mode, the output current

SAFETY STEPS TO FOLLOW IF SOMEONEIS THE VICTIM OF ELECTRICAL SHOCKDO NOT TRY TO PULL OR GRAB THE INDIVIDUALIF POSSIBLE , TURN OFF THE ELECTRICAL POWER

TM 11-6625-2958-14&P3-43 For reasonable load lead lengths, remotesensing greatly improves the performance of thesupply. However, if the load is lo

TM 11-6625-2958-14&P current greater than that available from one supply.Auto-Parallel operation permits equal current shar-ing under all load con

TM 11-6625-2958-14&Pon the maximum voltage rating of the "master" sup-ply. The value of RX is this voltage divided by thevoltage program

over from constant voltage to constant current op-eration, or the reverse, in response to an increase(over the preset limit) in the output current or

TM 11-6625-2958-14&PSECTION IVPRINCIPLES OF OPERATIONFigure 4-1. Overall Block Diagram4-1 OVERALL BLOCK DIAGRAM DISCUSSION4-2 The major circuits

TM 11-6625-2958-14&P4-6 The feedback signals controlling the conduc-tion of the series regulator originate within theconstant voltage or constant

the supply and, if it exceeds approximately 120%of maximum rated output, sends a turn-down signalto the preregulator control circuit. Hence, the out-p

TM 11-6625-2958-14&Ping current to the summing point, ensuring that thetriac will fire at low output “voltages.4-24 The summation of the input sig

The input capacitor then begins to discharge throughthe series regulator, and the voltage across theregulator decreases until Q20 turns off. The dis-c

TM 11-6625-2958-14&Pand optional resistor R 117. The other input of thedifferential amplifier (pin 4) is connected to a sum-ming point (terminal A

This manual includes copyright material reproduced by permission of the HEWLETT-PACKARD Company.TM 11-6625-2958-14&PTECHNICAL MANUALHEADQUARTERSDE

output. When A4CR110 is fired, overvoltage lampA5DS2 is tuned on, completing a path for a + 11Vunregulated holding current through A5DS2. Thiscurrent

TM 11-6625-2958-14&Ptions of output voltage and current on the dc volt-meter and ammeter. Both meter movements canwithstand an overload of many ti

TM 11-6625-2958-14&PSECTION VMAINTENANCE5-1 INTRODUCTION5-2 Upon receipt of the power supply, the per-formance check (Paragraph 5-5) should be mad

TM 11-6625-2958-14&PTable 5-1.Test Equipment Required (Continued)TYPEREQUIREDRECOMMENDEDCHARACTERISTICSUSEMODELTerminating Value: 50 ohms, ½ watt,

Figure 5-2. Constant Voltage Load RegulationTest Setupcorrect polarity.c. Turn CURRENT controls fully clockwise.d. Turn on supply and adjust VOLTAGE c

TM 11-6625-2958-14&Pwire between the negative output terminal of thepower supply and the vertical input of the scope,and the grounded scope case.

Because of its common mode rejection, a differen-tial oscilloscope displays only the difference insignal between its two vertical input terminals,thus

TM 11-6625-2958-14&Pswitch in series with the load is not adequate,since the resulting one-shot displays are difficultto observe on most oscillosc

5-33 Temperature Coefficient.Definition: The change in output volt-age per degree Centigrade change inthe ambient temperature under condi-tions of con

TM 11-6625-2958-14&PFigure 5-7. Current Sampling Resistor ConnectionsNOTEWhen using the HP current samplingresistor recommended for this instru-me

TABLE OF CONTENTSSectionPage No.Section0INSTRUCTIONS. . . . . . . . . . . . . . . 6-10-1 Scope0-10-2 Indexes of Publications0-3 Forms and Records0-10

Figure 5-9. Constant Current Ripple and Noises -49Test Setupof a regulated power supply. AC rippleand noise current is usually specifiedand measured i

TM 11-6625-2958-14&P5-56 OVERALL TROUBLESHOOTING PROCEDURE5-57 To locate the cause of trouble, follow Steps1, 2, and 3 in sequence:(1) Check for o

TM 11-6625-2958-14&PTable 5-3.Overall Troubleshooting (Continued)SYMPTOMPROBABLE CAUSEHigh ripple (continued)current comparator circuit (Z1 and as

TM 11-6625-2958-14&P5-7, the circuit is checked by starting with thethe supply in order to gain access to componentsoutput waveform and tracing ba

TM 11-6625-2958-14&PTable 5-5. Series Regulator Troubleshooting, High Voltage ConditionSTEPACTIONRESPONSEPROBABLE CAUSEin Table 5-4, Step 3.1These

TM 11-6625-2958-14&PTable 5-6.Series Regulator Troubleshooting, Low Voltage Condition (Continued)STEPACTIONRESPONSEPROBABLE CAUSE2Check conduction

TM 11-6625-2958-14&PTable 5-7. Preregulator Troubleshooting (Continued)STEPACTIONRESPONSE2Connect oscilloscope be-a. Normal waveform.tween TP85 (+

TM 11-6625-2958-14&Pare arrowed “E” and “F“ in Figure 7-1.) Liftingbrackets away from heat sink allows access totriac A2CR1. A magnetized screwdri

TM 11-6625-2958-14&PTable 5-8. Checks and Adjustments After Replacement of Semiconductor DevicesREFERENCEFUNCTION OR CIRCUITCHECKADJUSTZ1Constant

TM 11-6625-2958-14&PTable 5-8. Checks and Adjustments After Replacement of Semiconductor Devices (Continued)REFERANCEIFUNCTION OR CIRCUITCR90 thru

TABLE OF CONTENTS (Continued)SectionPage No.SectionV MAINTANCE . . ContinuedPage No.5-111 Crowbar Disablement5-225-103 Preregulator Tracking (5 O and6

5-81 CONSTANT VOLTAGE PROGRAMMINGCURRENT5-82 Zero Output Voltage. To calibrate the zerovoltage programming accuracy, proceed as direct-ed in Paragraph

TM 11-6625-2958-14&Pexactly maximum rated output voltage.5-90 CONSTANT CURRENT PROGRAMMINGCURRENT5-91 Zero Current OutPut. To calibrate the zerocu

TM 11-6625-2958-14&Pis equal in either direction (within 25%). To checkfor imbalance, proceed as follows:a.Connect appropriate Ioad resistanceacro

TM 11-6625-2958-14&Pbe set much closer to the operatingoutput voltage of the supply.5-109 MAXIMUM CROWBAR TRIP VOLTAGE5-110 To adjust the maximum

TM 11-6625-2958-14&PSECTION VIREPLACEABLE PARTS6-1 INTRODUCTION6-2 This section contains information for orderingreplacement parts. Table 6-4 list

TM 11-6625-2958-14&PTable 6-3.Code List of ManufacturersCODENO.MANUFACTURERADDRESS00629EBY Sales Co. , Inc.Jamaica, N. Y.00656Aerovox Corp.New Bed

TM 11-6625-2958-14&PTable 6-3. Code List of Manufacturers (Continued).CODENO.MANUFACTURERADDRESS16758Delco Radio Div. of General Motors Corp.Kokom

TM 11-6625-2958-14&PTable 6-3.Code List of Manufacturers (Continued)CODENO.MANUFACTURERADDRESS76530Cinch City of Industry, Calif.768.54Oak Mfg. Co

Table 6-4.Replaceable PartsTM 11-6625-2958-14&PREF.DESCRIPTIONMFR.HPDESIG.TQMFR. PART NO.CODEPART NO.RSAl MAIN PRINTED CIRCUIT BOARDA1Printed Circ

REF.MFR.HPDESIG.DESCRIPTIONTQMFR. PART NO.CODEPART NO.RSR41fxd, comp 510 Ω ±5% ½W2EB-5115011210686-5115 1R42fxd, met. film 560 Ω ±1% ¼W1Type CEB T-O07

LIST OF ILLUSTRATIONSFigurePage No.1-1 DC Power Supply, Model 6259B, 6260B, 6261B, 6268B, or 6269B . . . . . . . . . . . .. l-l2-1 Outline Diagram . .

REF.MFR.HPDESIG.DESCRIPTIONTQMFR. PART NO.CODEPART NO.RSR103fxd, met. film 1.5k Ω ±1% 1/8WType CEA 7-0077160757-0427R104fxd, met. film 19.1k Ω ±1% 1

REF.MFR. HPDESIG.DESCRIPTIONTQMFR. PART NO.CODEPART NO.RSTS101Thermal Switch, open 230°F, close200°F1284800440-0079 1A5 FRONT PANEL ASSEMBLYA5Front Pa

TM 11-6625-2958-14&PREF.MFR.HPDESIG.DESCRIPTIONTQMFR. PART NO.CODEPART NO.RSShoulder Washer, Bus Bar4284802190-04914Binding Post, 5 Way, N. P. Bra

TM 11-6625-2958-14&PTQMFR. PART NO.112REF.DESIG.IDESCRIPTIONMISCELLANEOUSManualCarton, PackingFloater Pad, Packing28480 06269-90002284809211-11812

TM 11-6625-2958-14&PREF DESCRIPTION TQ MFR HP RSDESIGN MFR PART NO CODE PART NOOPTION 022VOLTAGE & CURRENT PROGRAMMING ADJUSTR111 FXD, MET. FI

TM11-6625-2958-14&P TABLE 6-5. PART NUMBER - NATIONAL STOCK NUMBERCROSS REFERENCE INDEXNATIONAL NATIONALPART STOCK PART STOCKNUMBER FSCM NUMBER N

PART NUMBER - NATIONAL STOCK NUMBER TM 11-6625-2958-14&PCROSS REFERENCE INDEXNATIONAL NATIONALPART STOCK PART STOCKNUMBER FSCM NUMBER NUMBER FSCM

TM 11-6625-2958-14&PSECTION VllCIRCUIT DIAGRAMS AND COMPONENT LOCATION DIAGRAMSThis section contains the circuit diagrams neces-b. Preregulator co

TM 11-6625-2958-14&PFigure 7-1.A2 RFI Assembly Component Location Diagram(Shown removed from supply with assembly cover off.)Figure 7-2. A3 Interc

Figure 7-3. Top Front Chassis Assembly Component Location Diagram7-3TM 11-6625-2958-14&P

TM 11-6625-2958-14&PSECTION OINTRODUCTION.0-1. SCOPE.a. This manual describes DC PowerSupply PP-7545/U (fig. l-l) andprovides maintenance instruct

Figure 7-4. Bottom Front Chassis Assembly Component Location Diagram7-4TM 11-6625-2958-14&P

Figure 7-5. Bottom Rear Chassis AssemblyComponent Location Diagram7-5TM 11-6625-2958-14&P

Figure 7-6. Series Regulator Emitter ResistorAssembly Component Location Diagram(Circuit board is part of A4 heat sink assembly.)Figure 7-7.A4 Heat Si

Figure 7-8.A4 Heat Sink Assembly Component Location Diagram(End view, assembly removed from supply.)1. ALL WAVEFORMS TAKEN AT MAXIMUM RATED OUTPUT VOL

Figure 7-10This publication does not contain Figure 7-10. Figure 7-10 does not exist in paper or digital form.NOT DIGITIZED

DA Pam 310-4DA Pam 310-7TM 38-750TM 740-90-1TM ‘750-244-2TB 43-180TB 385-4TM 11-6625-2958-14&PAPPENDIX AREFERENCESIndex of Technical Manuals, Tech

TM 11-6625-2958-14&PAPPENDIX BCOMPONENTS OF END ITEM LISTSection LINTRODUCTIONB-1.ScopeThis appendix lists integral components of andbasic issue i

SECTION II INTEGRAL COMPONENTS OF END ITEM TM 11-6625-2958-14&PSECTION III BASIC ISSUE ITEMS(1) (2) (3) (4) (5) (6) (7)ILLUSTRATION NATIONAL DES

TM 11-6625-2958-14&PAPPENDIX DMAINTENANCE ALLOCATIONSection L INTRODUCTIOND-1. GeneralThis appendix provides a summary of the main-tenance operati

TM 11-6625-2958-14&PD-3. Column Entriesu. Column 1, Group Number. Column 1 listsgroup numbers, the purpose of which is to identifycomponents, asse

TM 11-6625-2958-14&PSECTION IGENERAL INFORMATIONFigure 1-1.DC Power Supply, Model 6259B, 6260B, 6261B, 6268B, or 6269B1-1 DESCRIPTION1-2 This powe

SECTION II MAINTENANCE ALLOCATION CHARTTM 11-6625-2958-14&PD-3

TM11-6625-2958-14&P SECTION III TOOL AND TEST EQUIPMENT REQUIREMENTSFORPOWER SUPPLY PP-7545/UTOOL OR TESTEQUIPMENT MAINTENANCE NOMENCLATURE NATI

REFERENCECODEABCDSECTION IV.REMARKSTM 11-6625-2958-14&PPOWER SUPPLY PP-7545/UREMARKSExteriorOperationalInteriorAllD-5

Figure 7-11. Schematic Diagram, Model 6269B

MANUAL CHANGESModel 6269B DC Power SupplyManual HP Part No. 06269-90002Make all corrections in the manual according to errata below, then check the fo

Manual Changes/Model 6269BManual HP Part No, 06269-90002Page -2-CHANGE 5:The standard colors for this instrument are nowmint gray (for front and rear

CHANGE 12:Manual Changes/Model 6269BManual HP Part No. 04269-90002Page -3-ERRATA :In the parts listUnder A4 Mechanical, add Transistor Insu-lator, HP

Manual Changes/Model 6269BManual HP Part No. 06269-90002Page -4-In the parts list, delete the entire listing underA schematic of RFI Filter Assembly 0

TM 11-6625-2958-14&Pmay be used in series when a higher output voltageis required in the constant voltage mode of opera-t ion or when greater volt

By Order of the Secretary of the Army:Official:J. C. PENNINGTONMajor General, United States ArmyThe Adjutant GeneralDistribution:Active Army:TSG (1)US

THE METRIC SYSTEM AND EQUIVALENTS

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