HP TM 11-6625-2779-14&P Manual de usuario descargar pdf (Pagina 3)

SECTION III. OPERATING INSTRUCTIONS (Cont.). Para Page

Crosstalk measurements................................................................................................... 3-53 3-10

Identifying noise characteristics......................................................................................... 3-57 3-10

Measurements in DBC ......................................................................................................3-64 3-11

Measurement procedures..................................................................................................3-67 3-12

150 BAL conversion .......................................................................................................... 3-69 3-12

IV. THEORY OF OPERATION

Introduction....................................................................................................................... 4-1 4-1

Block diagram description ................................................................................................. 4-7 4-1

Detailed circuit description................................................................................................. 4-16 4-2

Range attenuator A2 .........................................................................................................4-18 4-3

Input amplifier A3.............................................................................................................. 4-20 4-3

Filters................................................................................................................................ 4-25 4-4

Meter amplifier .................................................................................................................. 4-30 4-7

Detector ............................................................................................................................ 4-32 4-7

Power supply and series regulator..................................................................................... 4-37 4-8

V. MAINTENANCE

Introduction....................................................................................................................... 5-1 5-1

Factory selected values..................................................................................................... 5-4 5-1

150 BAL conversion .......................................................................................................... 5-6 5-1

Performance Checks......................................................................................................... 5-7 5-2

Adjustment and calibration procedure................................................................................ 5-14 5-8

Assembly removal............................................................................................................. 5-25 5-10

Troubleshooting procedures .............................................................................................. 5-27 5-10

Factory selected values..................................................................................................... 5-39 5-15

VI. REPLACEABLE PARTS

Introduction....................................................................................................................... 6-1 6-1

Ordering information ......................................................................................................... 6-4 6-1

VII. CIRCUIT DIAGRAMS

Introduction....................................................................................................................... 7-1 7-1

Functional block diagrams................................................................................................. 7-3 7-1

Schematic diagrams .........................................................................................................7-5 7-1

APPENDIX A. REFERENCES.................................................................................................................. A-1

APPENDIX B. MAINTENANCE ALLOCATION

SECTION I. Introduction....................................................................................................................... B-1

Il. Maintenance allocation chart for Meter, Audio Level TA-885/U........................................... B-3

III. Tool and test equipment requirements for Meter, Audio Level TA-883/U ............................ B-4

IV. Remarks (Not applicable)

APPENDIX C. MANUAL BACKDATING CHANGES.................................................................................. C-1

1 2 3 4 5 6 7 8 ... 82 83

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HP TM 11-6625-2779-14&P Manual de usuario Pagina 3