Fluke 19xB-19xC-2x5C
Service Manual
ii
4.6.14 Video test using SC600 Scope Calibration Option ............................4-24
4.7 External Trigger Level Test .........................................................................4-27
4.8 Meter (DMM) Tests.....................................................................................4-28
4.8.1 Meter DC Voltage Accuracy Test ........................................................4-28
4.8.2 Meter AC Voltage Accuracy & Frequency Response Test .................4-29
4.8.3 Continuity Function Test......................................................................4-30
4.8.4 Diode Test Function Test .....................................................................4-30
4.8.5 Ohms Measurements Test.....................................................................4-30
4.9 Probe Calibration Generator Test ................................................................4-32
5 Calibration Adjustment ....................................................................... 5-1
5.1 General.........................................................................................................5-3
5.1.1 Introduction ..........................................................................................5-3
5.1.2 Calibration number and date.................................................................5-3
5.1.3 General Instructions..............................................................................5-3
5.1.4 Equipment Required For Calibration ...................................................5-4
5.2 Calibration Procedure Steps.........................................................................5-4
5.3 Starting the Calibration................................................................................5-4
5.4 Contrast Calibration Adjustment .................................................................5-6
5.5 Warming Up & Pre-Calibration...................................................................5-7
5.6 Final Calibration ..........................................................................................5-8
5.6.1 Input A LF-HF Gain.............................................................................5-8
5.6.2 Input B LF-HF Gain .............................................................................5-9
5.6.3 Input A&B LF-HF Gain .......................................................................5-11
5.6.4 Input A&B Position.............................................................................5-12
5.6.5 Input A&B Volt Gain ...........................................................................5-13
5.6.6 DMM Volt Gain ...................................................................................5-14
5.6.7 Input A& B, and DMM Zero................................................................5-15
5.6.8 DMM Ohm Gain ..................................................................................5-16
5.6.9 Calculate Gain...........................................................................................5-17
5.7 Save Calibration Data and Exit....................................................................5-17
5.8 Probe Calibration .........................................................................................5-19
6 Disassembling the Test Tool.............................................................. 6-1
6.1. Introduction.................................................................................................6-3
6.2. Disassembly & Reassembly Procedures .....................................................6-3
6.2.1 Required Tools .....................................................................................6-3
6.2.2 Removing the Tilt Stand & Hang Strap................................................6-3
6.2.3 Replacing the Side-Strap, Changing the Side-Strap Position...............6-3
6.2.4 Opening the Test Tool, Removing the Battery.....................................6-3
6.2.5 Removing the Main PCA Unit and the Fan..........................................6-5
6.2.6 Removing the Display Assembly .........................................................6-6
6.2.7 Replacing the LCD Window/Decal......................................................6-7
6.2.8 Removing the Keypad and Keypad Foil...............................................6-7
6.2.9 Disassembling the Main PCA Unit.......................................................6-7
6.2.10 Reassembling the Main PCA Unit......................................................6-8
6.2.11 Reassembling the Test Tool ...............................................................6-9
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