HP TM 11-6625-2779-14&P manual PC Board Assy filter

Page 58

Model 3555B

 

 

 

 

 

Section VI

 

 

 

Table 6-1. Replaceable Parts (Cont'd)

 

 

 

 

 

 

 

 

 

 

 

REFERENCE

-hp-

TQ

 

DESCRIPTION

MFR.

MFR. PART NO.

 

DESIGNATOR

PART NO.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A3 (Cont'd)

 

 

 

 

 

 

 

R40

0684 4721

 

 

R: fxd comp 4700 ohms +/-10% 1/4W

01121

CB4721

 

R41,R42

0698-3382

2

 

R: fxd met flm 5.49 kilohms +/-1% 1/8W

91637

MF-1/10-32

obd

R43

2100-1770

1

 

R: var ww 00 ohm +/-10O% 1/2W trimmer

80294

3-365P-E88-101

 

R44

0698-3223

1

 

R: fxd met flm 1.24 kilohms +/-1% 1/8W

91637

MF-1/10-32

obd

R45

0684-2231

3

 

R: fxd comp 22 kilohms +/-10% 1/4W

01121

CB2231

 

R46*

0684-3921

 

 

R: fxd comp 3900 ohms +/-10% 1/4W

01121

CB3921

 

R47

0684-8211

2

 

R: fxd comp 820 ohms +/-10% 1/4W

01121

CB8211

 

R48

0684-2231

 

 

R: fxd comp 22 kilohms +/-10% 1/4W

01121

CB2231

 

R49

0757-4442

3

 

R: fxd met flm 10 kilohms +/-1% 1/8W

91637

MF-1/10-32

obd

R50

0684-1031

2

 

R: fxd comp 10 kilohm +/-10% 1/4W

01121

CB1031

 

R51

0084-8211

 

 

R: fxd comp 820 ohm +/-10% 1/4W

01121

CB8211

 

R52

0767-0280

 

 

R: fxd met flm 1 kilohm +/-1% 1/8W

91637

CMF-1/10-32

obd

R53,R54

0684-1211

2

 

R: fxd comp 120 ohm +/-10% 1/4W

01121

CB1211

 

R55

0757-0442

 

 

R: fxd met flm 10 kilohms +/-1% 1/8W

91637

MF-1/10-32

obd

R56 thru R58

 

 

 

Not assigned

 

 

 

R59

0757-4468

1

 

R: fxd met flm 130 kilohm +/-1% 1/8W

14674

C4

obd

R60

0684-3331

1

 

R: fxd comp 33 kilohms +/-106 1/4W

01121

CB3331

 

R61

0684-1001

3

 

R: fxd comp 10 ohm +/-10O% 1/4W

01121

CB1001

 

R62

0684-3921

 

 

R: fxd comp 3900 ohms +/-10% 1/4W

01121

CB3921

 

R63

0684-1031

 

 

R: fxd comp 10 kilohms +/-10O 1/4W

01121

CB1031

 

R64

0684-2231

 

 

R: fxd comp 22 kilohms +/-10% 1/4W

01121

CB2231

 

R65 thru R67

0684-1021

 

 

R: fxd comp 1000 ohms +/-10% 1/4W

01121

CB1021

 

R68

0698-4503

1

 

R: fxd met flm 66.5 kilohms +/-1% 1/8W

91637

MF-1/10-32

obd

R69

0698-4491

1

 

R: fxd met flm 30.9 kilohms +/-1% 1/8W

91637

MF-1/10-32

obd

R70,R71

06841001

 

 

R: fxd comp 10 ohm +/-10% 1/4W

01121

CBI001

 

R72*

0684-2701

 

 

R: fxd comp 27 ohm +/-10% 1/4W

01121

CB2701

 

R73

0684-1021

 

 

R: fxd comp 1000 ohm +/-10% 1/4W

01121

CB1021

 

R74*,R75*

0684-8221

2

 

R: fxd comp 8200 ohm +/-10% 1/4W

01121

CB8221

 

XA1

1251-1941

1

 

Connector: PC 6 pin

71785

252-06-30-310

 

W1

0355-61616

1

 

Cable

-hp-

 

 

A4

03555-66506

1

 

PC Board Ass'y: filter

-hp-

 

 

C1

0140-0177

1

 

C: fxd mica 400pF +/-1%

72136

RDM15F3C

 

C2

0180-0291

4

 

C: fxd Ta elect 1uF +/-10% 35 vdcw

56289

150D105X9035A2-DYS

C3,C4

0160-2130

 

 

C: fxd mice 865pF +/-1% 100 vdcw

72136

RDM15F(865)F1C

 

C5

0140-0203

5

 

C: fxd mica 30pF +/-5%

72136

RDM15F421F3C

 

C6

0180-0228

 

 

C: fxd elect 22uF +/-10% 15 vdcw

37942

TAS226K015PlC

 

C7

0140-0163

6

 

C: fxd mice 4751pF +/-1% 300 vdcw

72136

RDM20F(4751)F3S

 

C8

0160-3024

4

 

C: fxd mica 1700pF +/-1% 100 vdcw

72136

RDM19F 72F1S

 

C9

0140-0203

 

 

C: fxd mice 30pF +/-5%

72138

RDM15F421F3C

 

C10

0160-3024

 

 

C: fxd mice 1700pF +/-1% 100 vdcw

72138

RDM19F172F1S

 

C11

0180-0228

 

 

C: fxd Ta elect 22uF +/-10% 15 vdcw

37942

TAS226KOlPlC

 

C12

0140-0163

 

 

C: fxd mica 4751pF +/-1% 300 vdcw

72136

RDM20F(4751)F3S

 

C13 thru C15

 

 

 

Not assigned

 

 

 

C16

0160-3024

 

 

C: fxd mice 1700pF +/-1% 100 vdcw

72136

RDM19F172F1S

 

C17

0140-0203

 

 

C: fxd mica 30pF +/-5%

72136

RDM15F421F3C

 

C18

0160-3024

 

 

C: fxd mica 1700pF +/-1% 100 vdcw

72136

RDM19F172F1S

 

C19

0180-0228

 

 

C: fxd Ta elect 22uF +/-10% 15 vdcw

37942

TAS226KO15P1C

 

C20,C21

0180-0291

 

 

C: fxd Ta elect 1uF +/-10% 35 vdcw

56289

15OD105X9035A2-DYS

C22

 

 

 

Not assigned

 

 

 

C23

0180-0197

 

 

C: fxd Ta 2.2uF +/-10% 20 vdcw

56289

150D225X9020A2-DYS

C24

0140-0163

 

 

C: fxd mica 4751pF +/-1% 300 vdcw

72136

RDM20F(4751)F3S

 

C25

0140-0203

 

 

C: fxd mice 30pF +I-5%

72136

RDM15F421F3C

 

C26

0140-0163

 

 

C: fxd mice 4751pF +/-1% 300 vdcw

72136

RDM20F(4751)F3S

 

C27

0180-0228

 

 

C: fxd Ta elect 22uF +/-10% 15 vdcw

37942

TAS226K01SPIC

 

C28,C29

0140-0163

 

 

C: fxd mica 4751pF +/-1% 300 vdcw

72136

RDM20F(4751)F3S

 

C30

0140-0203

 

 

C: fxd mice 30pF +/-5%

72136

RDM15F421F3C

 

 

 

 

 

 

 

 

 

6-5

Page 57 Page 59
Image 58
Page 57 Page 59
Contents HEADQUARTERS, Department of the Army Technical Manual Headquarters Department of the Army Reporting Errors and Recommending ImprovementsTM 11-6625-2779-14&P NSNReplaceable Parts List of Tables List of IllustrationsIii Section Introduction Maintenance Forms, Records, and ReportsScope Destruction of Army Electronics Materiel Administrative StorageReporting Equipment Improvement Recommendations EIR Items Comprising an Operable Equipment Specifications Voice Frequency Level Measurements 20Hz to 20kHzSection Section General Information IntroductionInstrument Identification Accessory Equipment SuppliedAccessory Equipment Supplied BAL ModificationPower Requirements Section Installation InspectionWarranty Exception BatteryInstallation and Removal of Battery Cover RemovalSection Controls Connectors IndicatorsBattery Operating InstructionsFront Panel Controls, Indicators, and Connectors Front, Side and Rear Pane Side Panel Controls and Connectors Level and Noise Measurements Level MeasurementsPage Noise Measurement Recorder Compatibility ApplicationsRecorder Compatibility Chart Crosstalk Measurements Identifying Noise CharacteristicsTransmission Loss Measurements Crosstalk Correction FactorMeasurements in DBC Input jacks are connected in parallel. If a 600 ohm Reinstall the set in its case0dBm 135 BALStep Procedure Level Measurement Noise Metallic MeasurementsExample Noise-to-Ground Measurements Balance MeasurementRecorder Calibration Transmission Loss MeasurementBlock Diagram Description Section Theory of Operation IntroductionDetailed Circuit Description Simplified Dial BAT FunctionInput Amplifier A3. Schematic No Range Attenuator A2Range Attenuator Setting AttenuationFILTERS. Schematic No Pads UsedKHz Flat and Program Weighting Curves C-MSG and 1SkHz Flat Weighting Curves Meter AMPLIFIER. Schematic No DETECTOR. Schematic NoPower Supply and Series Regulator Schematic No Factory Selected Values Section Maintenance IntroouctionInstrument Recommended Type Required Characteristics Model BAL ConversionFunction CARRIER, 75 Unbal Performance ChecksLevel Accuracy Checks TMS, TermFrequency Unbal Carrier Accuracy CheckRange 30Hz to 1MHz 100Hz to 600kHz 1MHz to 3MHzReturn Loss Check 20Hz to 20kHz 40Hz to 15kHz 100Hz to 20kHz 100Hz to 15kHzReturn Loss Test Set-Up Filter Response Checks Filter Response ChecksMSG dBm 3kHz Flat dBm 15kHz Flat dBm Program dBm TMS Brdg Input BalanceBridging Loss Input TMS BrdgUnbal Calibration Adjustment and Calibration ProcedurePower Supply Check Attenuator CalibrationCommon Mode Adjustment Frequency Response AdjustmentBalance Check Troubleshooting Procedures Assembly RemovalFilter Calibration Troubleshooting Tree Front Panel Trouble Analysis Dial BATRange Troubleshooting Front Panel TroubleshootingFunction Troubleshooting Front Panel Trouble Analysis ContdTroubleshooting the Meter Amplifier and Detector Troubleshooting Input AmplifierFilter Troubleshooting Defective FunctionTip to Ring Tip to Ground Ring to Ground Function Switch Resistance ValuesFunction Input Jacks DIAL/AC MON Jacks Brdg Term10. Resistance Checks 11. Factory Selected ValuesRange dBm Pin 1 to Pin 2 to Carrier 75 Unbal Level Accuracy Check Performance Check Test CardDescription Check Carrier 135 BAL Level Accuracy CheckPerformance Check Test Card Contd Carrier 600 BAL Level Accuracy CheckProgram Return Loss CheckFilter Response Checks MSG Bridging Loss CheckSection Replaceable Parts Introduction Ordering InformationReplaceable Parts 03555-66507 PC Board Assy functionReplaceable Parts Contd 03555-66508 Board Assy amplifierA3 Contd 03555-66506 PC Board Assy filter A4 Contd Chassis Mounted Components Chassis Mounted Components Contd MiscellaneousMiscellaneous Contd Fscm Replacement National Part Stock Number FscmPart Number National Stock Number Cross Reference Index National Stock NumberPage Model 3555B Appendix a Code List of Manufacturers Schematic Diagrams Circuit DiagramsFunctional Block Diagram Reference DesignationsSection Model 3555B Functional Block Diagram 7-4A1 Function Assembly Schematic and Component Location 7-67-8 A4 Filter Schematic and Component Location 7-1011/7-12 Appendix a ReferencesAppendix B Maintenance Allocation Section I. Introduction GeneralMaintenance Function Column EntriesTool and Test Equipment Requiremen ts Sec Remarks SecAudio Level Meter TA-885/U TM 11-7725-2779-14&P REF Code NumberManual Backdating Changes Appendix CTransmission and Noise Measuring SET Delete CR6 across M1 Government Printing Office 1980-603-128/66Major General, United States Army Adjutant General General, United States ArmyChief of Staff Active ArmyPage PIN
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