Introduction - Fluke PM3082 Service Manual

CONTENTS
■ " 6.3.29 Horizontal deflection; delayed timebase jitte r ...........................................................6-24
6.3.30 Horizontal deflection; X deflection coefficient via C H I................................................ 6-25
6.3.31 Horizontal deflection; X deflection coefficient via 'line'................................................ 6-26
6.3.32 Horizontal deflection; high frequency response.......................................................... 6-26
6.3.33 Maximum phase shift between horizontal and vertical deflection.............................. 6-27
6.3.34 MTB triggering PM3092/3094; trigger sensitivity via CH1, CH2, CH3 and C H 4 ------6-28
6.3.35 MTB triggering PM3082/3084; trigger sensitivity via CH1, CH2, CH3 and C H 4 ------6-29
6.3.36 MTB/DTB triggering; trigger sensitivity TVL-TVF........................................................ 6-30
6.3.37 DTB triggering PM3092/3094; trigger sensitivity via CH1, CH2, CH3 and CH4 . . . . 6-31
6.3.38 DTB triggering PM3082/3084; trigger sensitivity via CH1, CH2, CH3 and CH4 . . . . 6-32
6.3.39 Z-MOD sensitivity.............................................T- ■ ..................................................6-33
6.3.40 Probe Adjust signal; frequency and output voltage.................................................... 6-34
7 CALIBRATION ADJUSTMENT PROCEDURE............ ............................................. 7-1
7.1

INTRODUCTION........................................................................

7.2 DARK LEVEL OF C R T................................................................................................................. 7-1
7.3 TRACE ROTATION..................................................................................................................... 7-1
7.4 HORIZONTAL (X) GAIN AND OFFSET.......................................................................................7-2
7.5 TEXT STABILITY AND X-OFFSET...............................................................................................7-2
7.6 VERTICAL (Y) GAIN AND OFFSET.............................................................................................7-2
7.7 ASTIGMATISM............................................................................................................................. 7-2
7.8 AUTOCAL PROCEDURE............................................................................................................. 7-3
7.9 LF SQUARE-WAVE RESPONSE CH1.........................................................................................7-3
7.10 LF SQUARE-WAVE RESPONSE CH2....................................................................................... 7-4
_ 7.11 LF SQUARE-WAVE RESPONSE CH3....................................................................................... 7-4
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7.12 LF SQUARE-WAVE RESPONSE CH4.........................................................................................7-4
7.13 HF SQUARE-WAVE RESPONSE FINAL Y AMPLIFIER............................................................ 7-5
7.14 SAVING THE CALIBRATION DATA.............................................................................................7-6
7.15 TESTING THE INSTRUMENT'S PERFORMANCE.....................................................................7-6
8 CORRECTIVE MAINTENANCE PROCEDURES...................................................... 8-1
8.1 DISMANTLING THE INSTRUMENT.............................................................................................8-1
8.1.1 General information....................................................................................................... 8-1
8.1.2 Removing the cabinet and carrying handle...................................................................8-1
i
8.2 REPLACEMENTS......................................................................................................................... 8-1
8.2.1 Standard parts.................................................................................................................8-2
4 -v . 8.2.2 Special p a rts ...................................................................................................................8-2
■ : 6 . 8.2.3 Transistors and Integrated Circuits................................................................ ............. 8-2
VII
7-1