Geräte Informationen:

Fluke 199B Scopemeter
Hersteller:
Fluke
Modell: 199B
Datum: 2002
Kategorie: Messgeräte
Gruppe: Scopemeter
Beschreibung:
Informationen:
                                    The Fluke I92B/196B-C7199B-C ScopeMeter test tools have
three input channels that are electrically floating with
respect to each other, and with respect to the power adapter
input.
Channel A and channel B are oscilloscope channels with a
60/100/200 MHz bandwidth. The Meter/External Trigger channel
is a combined DMM and external trigger channel with a
limited (10 kHz) bandwidth.
The B versions have a black&white LCD, the C versions have a
color display.

Folgende Anleitungen sind für obiges Gerät verfügbar:

Fluke -- 199B -- Serviceanleitung
Dateiname: Fluke-6534-Manual-Page-1-Picture
Dokumenttyp: Serviceanleitung
Seitenanzahl: 206
Dateigröße: 9.71 Mbytes (10177034 Bytes)
Sprache: Englisch
Revision:
Dokument-ID/Nummer: PN 4822 872 05391
Datum: 2002
Qualität: Elektronisches Dokument, kein Scan, sehr gut lesbar.
Upload Datum:
MD5: 951de7682a2c1ae7299f9ca8aa14f216
ed2kID: fe142922b7441d7adb5139993615a108
Downloads: 288 seit 29 November 2014
Informationen:
1 Safety Instructions
.............................................................................
1-1
1.1
Introduction.................................................................................................
1-3
1.2 Safety
Precautions.......................................................................................
1-3
1.3 Caution and Warning
Statements................................................................
1-3
1.4
Symbols.......................................................................................................
1-3
1.5 Impaired Safety
...........................................................................................
1-4
1.6 General Safety
Information.........................................................................
1-4
2 Characteristics
...................................................................................
2-1
2.1
Introduction.................................................................................................
2-3
2.2 Dual Input
Oscilloscope..............................................................................
2-3
2.2.1 Isolated Inputs A and B
(Vertical).......................................................
2-3
2.2.2 Horizontal
............................................................................................
2-4
2.2.3 Trigger and Delay
................................................................................
2-4
2.2.4 Automatic Connect&View Trigger
..................................................... 2-5
2.2.5 Edge Trigger
........................................................................................
2-5
2.2.6 Isolated External Trigger
.....................................................................
2-5
2.2.7 Video
Trigger.......................................................................................
2-5
2.2.8 Pulse Width
Trigger.............................................................................
2-5
2.2.9 Continuous Auto
Set............................................................................
2-6
2.2.10 Automatic Capturing Scope Screens
................................................. 2-6
2.3 Automatic Scope
Measurements.................................................................
2-6
2.3.1
General.................................................................................................
2-6
2.3.2 DC Voltage
(VDC)..............................................................................
2-6
2.3.3 AC Voltage
(VAC)..............................................................................
2-6
2.3.4 AC+DC Voltage (True
RMS)..............................................................
2-7
2.3.5 Amperes
(AMP)...................................................................................
2-7
2.3.6
Peak......................................................................................................
2-8
2.3.7 Frequency (Hz)
....................................................................................
2-8
2.3.8 Duty Cycle (DUTY)
............................................................................
2-8
2.3.9 Pulse Width
(PULSE)..........................................................................
2-8
2.3.10 Vpwm (C versions
only)....................................................................
2-8
2.3.11 Power
.................................................................................................
2-9
2.3.12 Phase
..................................................................................................
2-9
2.3.13 Temperature (TEMP)
........................................................................
2-9
2.3.14 Decibel
(dB).......................................................................................
2-9
2.4 Meter
...........................................................................................................
2-10
2.4.1 Meter Input
..........................................................................................
2-10
2.4.2 Meter
Functions...................................................................................
2-10
2.5 DMM Measurements on Meter
Inputs........................................................
2-10
2.5.1
General.................................................................................................
2-10
2.5.2 Ohms (Ω)
.............................................................................................
2-10
2.5.3 Continuity
(CONT)..............................................................................
2-10
2.5.4
Diode....................................................................................................
2-11
2.5.5 Temperature
(TEMP)...........................................................................
2-11
2.5.6 DC Voltage
(VDC)..............................................................................
2-11
2.5.7 AC Voltage
(VAC)..............................................................................
2-11
2.5.8 AC+DC Voltage (True
RMS)..............................................................
2-11
2.5.9 Amperes
(AMP)...................................................................................
2-12
2.6 Recorder
......................................................................................................
2-12
2.6.1 TrendPlot (Meter or
Scope).................................................................
2-12
2.6.2 Scope Record
.......................................................................................
2-12
2.7 Zoom, Replay and
Cursors..........................................................................
2-13
2.7.1
Zoom....................................................................................................
2-13
2.7.2 Replay
..................................................................................................
2-13
2.7.3 Cursor Measurements
..........................................................................
2-13
2.8
Miscellaneous..............................................................................................
2-13
2.8.1
Display.................................................................................................
2-13
2.8.2 Power
............................................................................................
2-13
2.8.3 Probe
Calibration.................................................................................
2-14
2.8.4
Memory................................................................................................
2-14
2.8.5
Mechanical...........................................................................................
2-14
2.8.6 Optical Interface
Port...........................................................................
2-14
2.9 Environmental
.............................................................................................
2-14
2.10
Safety..................................................................................................
2-15
2.11 10:1 probe VPS200
...................................................................................
2-17
2.11.1 Safety
.................................................................................................
2-17
2.11.2 Electrical
specifications.....................................................................
2-17
2.11.3
Environmental....................................................................................
2-17
2.12 Electromagnetic
Immunity........................................................................
2-18
3 Circuit Description
.............................................................................
3-1
3.1
Introduction.................................................................................................
3-3
3.2 Block Diagram
............................................................................................
3-3
3.3 Start-up Sequence, Operating
Modes..........................................................
3-7
3.4 Detailed Circuit
Descriptions......................................................................
3-9
3.4.1 Scope Channel A - Scope Channel B
.................................................. 3-9
3.4.2 Meter/Ext Trigger
Channel..................................................................
3-12
3.4.3 Sampling&Triggering
(S-ASIC)..........................................................
3-15
3.4.4 S-ASIC supply
.....................................................................................
3-19
3.4.5 ADC’s
..................................................................................................
3-19
3.4.6 Digital Control
.....................................................................................
3-20
3.4.7 LCD Control
........................................................................................
3-22
3.4.8 Power
...................................................................................................
3-23
3.4.9 Slow ADC, RS232 Serial Interface, LCD
Backlight........................... 3-28
4 Performance
Verification...................................................................
4-1
4.1
Introduction.................................................................................................
4-3
4.2 Equipment Required For Verification
........................................................ 4-3
4.3 General Instructions
....................................................................................
4-3
4.4 Operating
Instructions.................................................................................
4-4
4.4.1 Resetting the test tool
..........................................................................
4-4
4.4.2 Navigating through
menu’s..................................................................
4-4
4.4.3 Creating Test Tool
Setup1...................................................................
4-5
4.5 Display and Backlight Test
.........................................................................
4-5
4.6 Scope Input A&B Tests
..............................................................................
4-7
4.6.1 Input A&B Vertical Accuracy Test
..................................................... 4-7
4.6.2 Input A&B DC Voltage Accuracy
Test............................................... 4-9
4.6.3 Input A&B AC Voltage Accuracy Test
(LF)....................................... 4-11
4.6.4 Input A & B AC Coupled Lower Frequency Test
.............................. 4-12
4.6.5 Input A and B Peak Measurements
Test............................................. 4-13
4.6.6 Input A&B Frequency Measurement Accuracy Test
.......................... 4-14
4.6.7 Input A&B Phase Measurements
Test................................................. 4-15
4.6.8 Time Base Test
....................................................................................
4-16
4.6.9 Input A Trigger Sensitivity Test
.......................................................... 4-18
4.6.10 Input A AC Voltage Accuracy (HF) & Bandwidth Test
................... 4-19
4.6.11 Input B Trigger Sensitivity Test
........................................................ 4-20
4.6.12 Input B AC Voltage Accuracy (HF) & Bandwidth Test
................... 4-21
4.6.13 Video test using the Video Pattern Generator
................................... 4-22
4.6.14 Video test using SC600 Scope Calibration Option
........................... 4-25
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
7 Corrective
Maintenance.....................................................................
7-1
7.1
Introduction.................................................................................................
7-3
7.2 Starting Fault Finding.
................................................................................
7-4
7.3 Charger
Circuit............................................................................................
7-5
7.4 Starting with a Dead Test Tool
...................................................................
7-7
7.4.1 Test Tool Completely
Dead.................................................................
7-7
7.4.2 Test Tool Software Does not Run.
...................................................... 7-8
7.4.3 Software Runs, Test Tool not Operative
............................................. 7-8
7.5 Miscellaneous
Functions.............................................................................
7-8
7.5.1 Display and Back Light
.......................................................................
7-8
7.5.2 Fly Back
Converter..............................................................................
7-10
7.5.3 Slow ADC,
+3V3SADC......................................................................
7-11
7.5.4
Keyboard..............................................................................................
7-12
7.5.5 Optical Port (Serial RS232
Interface)..................................................
7-13
7.5.6 Channel A, Channel B
Measurements................................................. 7-13
7.5.7 Meter Channel (Ext Trigger, Probe Cal)
............................................. 7-15
7.5.8 Input Signal Acquisition
......................................................................
7-17
7.5.9 ADC’s
..................................................................................................
7-19
7.5.10 Digital Control & Memory
................................................................
7-20
7.5.11 Buzzer Circuit
....................................................................................
7-20
7.5.12 RAM Test
..........................................................................................
7-21
7.5.13 Power
ON/OFF..................................................................................
7-22
7.5.14
Battery................................................................................................
7-22
7.6 Loading Software
........................................................................................
7-23
8 List of Replaceable
Parts...................................................................
8-1
8.1
Introduction.................................................................................................
8-3
8.2 How to Obtain
Parts....................................................................................
8-3
8.3 Service Centers
...........................................................................................
8-3
8.4 Final Assembly
Parts...................................................................................
8-4
8.5 Main PCA Unit Parts
..................................................................................
8-6
8.6 Main PCA Parts
..........................................................................................
8-8
8.7
Accessories..................................................................................................
8-30
9 Circuit Diagrams
................................................................................
9-1
9.1
Introduction.................................................................................................
9-3
9.2 Tracing signals in circuit diagrams
............................................................. 9-3
9.3 Locating Parts & Test Points
......................................................................
9-3
9.4 Diagrams
.....................................................................................................
9-6
10
Modifications......................................................................................
10-1
10.1 General
......................................................................................................
10-3
10.2 Software modifications
.............................................................................
10-3
10.3 Hardware
modifications............................................................................
10-3
10.4 Main PCA Unit Versions, Software Versions.
......................................... 10-4
Fluke-6534-Manual-Page-1-Picture
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Fluke -- 199B -- Service- und Bedienungsanleitung
Dateiname: Fluke-7695-Manual-Page-1-Picture
Dokumenttyp: Service- und Bedienungsanleitung
Seitenanzahl: 204
Dateigröße: 10.04 Mbytes (10525904 Bytes)
Sprache: Englisch
Revision:
Dokument-ID/Nummer: 4822 872 05391
Datum: September 2002
Qualität: Gescanntes Dokument, alles ist lesbar.
Upload Datum:
MD5: 1a6bb03669d1d1dbdc351f0c38c4405f
ed2kID: cde7ed0432160f440e3d838ba52e5269
Downloads: 59 seit 08 Februar 2016
Informationen:
1 Safety
Instructions...........................................................................................1-1
1.1
Introduction......................................................................................................1-3
1.2 Safety
Precautions.............................................................................................1-3
1.3 Caution and Warning
Statements....................................................................1-3
1.4
Symbols.............................................................................................................1-3
1.5 Impaired
Safety.................................................................................................1-4
1.6 General S afety
Information...............................................................................1-4
2
Characteristics...............................................................................................2-1
2.1
Introduction........................................................................................................2-3
2.2 Dual Input
Oscilloscope...................................................................................2-3
2.2.1 Isolated Inputs A and B
(Vertical)...........................................................2-3
2.2.2
Horizontal...................................................................................................2-4
2.2.3 Trigger and
Delay.....................................................................................2-4
2.2.4 Automatic Connect&View
Trigger........................................................2-5
2.2.5 Edge
Trigger..............................................................................................2-5
2.2.6 Isolated External
Trigger.........................................................................2-5
2.2.7 Video
Trigger............................................................................................2-5
2.2.8 Pulse Width
Trigger...................................................................................2-5
2.2.9 Continuous Auto
Set..................................................................................2-6
2.2.10 Automatic C apturing S cope S
creens.....................................................2-6
2.3 Automatic Scope
Measurements......................................................................2-6
2.3.1
General........................................................................................................2-6
2.3.2 DC Voltage
(VDC)....................................................................................2-6
2.3.3 AC Voltage
(VAC)...................................................................................2-6
2.3.4 AC+DC Voltage (True
RMS)...................................................................2-7
2.3.5 Amperes
(AMP)........................................................................................2-7
2.3.6
Peak............................................................................................................2-8
2.3.7 Frequency
(Hz)..........................................................................................2-8
2.3.8 Duty Cycle
(DUTY)..................................................................................2-8
2.3.9 Pulse Width
(PULSE)...............................................................................2-8
2.3.10 Vpwm (C versions
only)........................................................................2-8
2.3.11
Power........................................................................................................2-9
2.3.12
Phase......................................................................................................2-9
2.3.13 Temperature
(TEMP)............................................................................2-9
2.3.14 Decibel
(dB)...........................................................................................2-9
2.4
Meter.................................................................................................................2-10
2.4.1 Meter
Input...............................................................................................2-10
2.4.2 Meter
Functions.......................................................................................2-10
2.5 DMM Measurements on Meter
Inputs...........................................................2-10
2.5.1
General......................................................................................................2-10
Chapter Title Page
2.5.2 Ohms
(Ω)...................................................................................................2-10
2.5.3 Continuity
(CONT)...................................................................................2-10
2.5.4
Diode..........................................................................................................2-11
2.5.5 Temperature
(TEMP)................................................................................2-11
2.5.6 DC Voltage
(VDC)...................................................................................2-11
2.5.7 AC Voltage
(VAC).................................................................................2-11
2.5.8 AC+DC Voltage (True
RMS).................................................................2-11
2.5.9 Amperes
(AMP)......................................................................,.................2-12
2.6
Recorder...........................................................................................................2-12
2.6.1 TrendPlot (Meter or
Scope).....................................................................2-12
2.6.2 Scope
Record...........................................................................................2-12
2.7 Zoom, Replay and
Cursors..............................................................................2-13
2.7.1
Zoom.........................................................................................................2-13
2.7.2
Replay........................................................................................................2-13
2.7.3 Cursor
Measurements...............................................................................2-13
2.8
Miscellaneous...................................................................................................2-13
2.8.1
Display.....................................................................................................2-13
2.8.2 Δ
Power.................................................................................................2-13
2.8.3 Probe
Calibration.....................................................................................2-14
2.8.4
Memory....................................................................................................2-14
2.8.5
Mechanical................................................,..............................................2-14
2.8.6 Optical Interface
Port................................................................................2-14
2.9
Environmental................................................................................................2-14
2.10 /ί
Safety........................................................................................................2-15
2.11 10:1 probe
VPS200.......................................................................................2-17
2.11.1
Safety......................................................................................................2-17
2.11.2 Electrical
specifications........................................................................2-17
2.11.3
Environmental........................................................................................2-17
2.12 Electromagnetic
Immunity............................................................................2-1.8
3 Circuit
Description,,....,.,»........,.......,........,......,.......................................3-1
3.1
Introduction......................................................................................................3-3
3.2 Block
Diagram.................................................................................................3-3
3.3 Start-up Sequence, Operating
Modes...........................................................3-7
3.4 Detailed Circuit
Descriptions.........................................................................3-9
3.4.1 Scope Channel A - Scope Channel
B.....................................................3-9
3.4.2 Meter/Ext Trigger
Channel.....................................................................3-12
3.4.3 Sampling&Triggering
(S-ASIC)............................................................3-15
3.4.4 S-ASIC
supply..........................................................................................3-19
3.4.5
ADC’s....................................................................................................3-19
3.4.6 Digital
Control...........>............................................................................3-20
3.4.7 LCD
Control...........................................................................................3-22
3.4.8
Power........................................................................................................3-23
3.4.9 Slow ADC, RS232 Serial Interface, LCD
Backlight............................3-28
4 Performance
Verification............................................................................
4-1
4.1
Introduction.....................................................................................................4-3
4.2 Equipment Required For
Verification...........................................................4-3
4.3 General
Instructions.......................................................................................4-3
4.4 Operating
Instructions...................................................................................4-4
4.4.1 Resetting the test
tool............................................................................4-4
4.4.2 Navigating through
menu’s.....................................................................4-4
4.4.3 Creating Test Tool
Setup!......................................................................4-5
4.5 Display and Backlight
Test...........................................................................4-5
4.6 Scope Input A&B
Tests..................................................................................
4-7
4.6.1 Input A&B Vertical Accuracy
Test....................................................... 4-7
4.6.2 Input A&B DC Voltage Accuracy
Test................................................. 4-9
4.6.3 Input A&B AC Voltage Accuracy Test
(LF)........................................ 4-11
4.6.4 Input A&B AC Coupled Lower Frequency
Test............................... 4-12
4.6.5 Input A and B Peak Measurements
Test............................................... 4-13
4.6.6 Input A&B Frequency Measurement Accuracy
Test........................... 4-14
4.6.7 Input A&B Phase Measurements
Test.................................................. 4-15
4.6.8 Time Base
Test........................................................................................
4-16
4.6.9 Input A Trigger Sensitivity
Test...........................................................
4-18
4.6.10 Input A AC Voltage Accuracy (HF) & Bandwidth
Test................... 4-19
4.6.11 Input B Trigger Sensitivity
Test..........................................................
4-20
4.6.12 Input B AC Voltage Accuracy (HF) & Bandwidth
Test.................. 4-21
4.6.13 Video test using the Video Pattern
Generator.................................... 4-22
4.6.14 Video test using SC600 Scope Calibration Option
............................ 4-25
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/Decaf.........................................................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
7 Corrective
Maintenance.................................................................................7-1
7.1
Introduction......................................................................................................7-3
7.2 Starting Fault
Finding......................................................................................7-4
7.3 Charger
Circuit...................................................................................................7-5
7.4 Starting with a Dead Test
Tool......................................................................7-7
7.4.1 Test Tool Completely
Dead...................................................................7-7
7.4.2 Test Tool Software Does not
Run...........................................................7-8
7.4.3 Software Runs, Test Tool not
Operative................................................7-8
7.5 Miscellaneous
Functions.................................................................................7-8
7.5.1 Display and Back
Light............................................................................7-8
7.5.2 Fly Back
Converter....................................................................................7-10
7.5.3 Slow ADC,
+3V3SADC..........................................................................7-11
7.5.4
Keyboard..................................................................................................7-12
7.5.5 Optical Port (Serial RS232
Interface)......................................................7-13
7.5.6 Channel A, Channel B
Measurements...................................................7-13
7.5.7 Meter Channel (Ext Trigger, Probe
Cal).................................................7-15
7.5.8 Input Signal
Acquisition...........................................................................7-17
7.5.9
ADC’s.....................,.................................................................................7-19
7.5.10 Digital Control &
Memory...................................................................7-20
7.5.11 Buzzer
Circuit......................................................................................7-20
7.5.12 RAM
Test.............................................................................................7-21
7.5.13 Power
ON/OFF....................................................................................7-22
7.5.14
Battery.....................................................................................................7-22
7.6 Loading
Software.............................................................................................7-23
8 List of Replaceable
Parts............................................................................8-1
8.1
Introduction.....................................................................................................8-3
8.2 How to Obtain
Parts........................................................................................8-3
8.3 Service
Centers...............................................................................................8-3
8.4 Final Assembly
Parts.......................................................................................8-4
8.5 Main PCA Unit Parts
......................................................................................8-6
8.6 Main PCA
Parts............................................................................................8-8
8.7
Accessories.......................................................................................................8-30
9 Circuit Diagrams
..............................................................................................9-1
9.1
Introduction.......................................................................................................9-3
9.2 Tracing signals in circuit
diagrams.................................................................9-3
9.3 Locating Parts & Test
Points..........................................................................9-3
9.4
Diagrams..........................................................................................................9-6
10
Modifications.....................................................................................................10-1
10.1
General.........................................................................................................10-3
10.2 Software
modifications................................................................................10-3
10.3 Hardware
modifications................................................................................10-3
10.4 Main PCA Unit Versions, Software
Versions............................................10-4
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