Fluke PM3370 Oscilloscoop
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Model:
PM3370
Datum:
1996
Categorie:
Groep:
Omschrijving:
Autoranging Combiscope
Handleidingen type:
Servicehandboek
Pagina’s:
473
Grootte:
9.06 Mbytes (9500776 Bytes)
Taal:
english
Herziening:
Handleidingen-ID:
4822 872 05366
Datum:
1996 06 01
Kwaliteit:
Gescand document alle leesbaar.
Upload datum:
2018 01 20
MD5:
b6036e084816062e5b53e83c44d67f5e
Downloads:
3456
Informatie
1.1 INTRODUCTION
... 1-1
1.2 SAFETY
PRECAUTIONS ... 1-1
1.3 CAUTION AND WARNING
STATEMENTS ... 1-1
1.4 SYMBOLS
... 1-1
2 CHARACTERISTICS 21
2.1 VERTICAL
... 2-2
2.1.1
Channels ... 2-2
2.1.2 Deflection Modes (Analog
Only) ... 2-2
2.1.3 Bandwidth
... 2-3
2.1.4 Attenuator
... 2-3
2.1.5 Input
Characteristics ... 2-4
2.1.6 Coupling
... 2-4
2.1.7 Dynamic
Range ... 2-4
2.1.8 Position Range
... 2-4
2.1.9 Trace
Separation ... 2-4
2.1.10 Input Voltage
Limits ... 2-5
2.1.11 Step Response
... 2-5
2.1.12 Signal Delay
... 2-6
2.1.13 Vertical Accuracies
... 2-6
2.2
TIMEBASE ... 2-7
2.2.1 Timebase (modes)
... 2-7
2.2.2 Timebase Settings (Analog Mode
Only) ... 2-7
2.2.3 DTB Delay (Analog Mode Only)
... 2-7
2.2.4 Timebase Settings (Digital Mode
Only) ... 2-8
2.2.5 Timebase Delay (Digital Mode
Only) ... 2-9
2.2.6 DTB Delay (Digital Mode
Only) ... 2-9
2.2.7 Analog Timebase
Accuracies ... 2-9
2.2.8 Delaytime Accuracy (Analog Mode)
... 2-9
2.2.9 DTB Jitter In Starts (Analog
Mode) ... 2-10
2.2.10 Timebase Accuraries (Digital
Mode) ... 2-10
2.2.11 DTB Jitter In Starts (Digital
Mode) ... 2-10
2.2.12 External Horizontal
Deflection ... 2-10
2.2.13 Horizontal Display
Accuracy ... 2-10
2.3
TRIGGERING ... 2-11
2.3.1
Source ... 2-11
2.3.2
Modes ... 2-11
2.3.3 TV
Systems ... 2-11
2.3.4 Coupling
... 2-11
2.3.5 Sensitivity
... 2-12
2.3.6
Slope ... 2-13
2.3.7 Level
... 2-13
2.3.8 Logic Triggering Timing (Digital Mode
Only) ... 2-14
2.3.9 Trigger Accuracies
... 2-14
2.4 EVENT
COUNTER ... 2-15
2.5
HOLD-OFF ... 2-15
2.6 PROCESSING
... 2-16
2.6.1
Preprocessing ... 2-16
2.6.2 Register Processing (Digital
Mode) ... 2-16
2.7 TRACE MEASUREMENTS (DIGITAL
MODE) ... 2-17
2.8
CURSORS ... 2-17
2.8.1 Cursor
Control ... 2-17
2.8.2 Cursor
Readouts ... 2-18
2.8.3 Cursor Accuracies ( Analog
Mode) ... 2-18
2.8.4 Cursor Accuracies (Digital
Mode) ... 2-18
2.9 DIGITAL
ACQUISITION ... 2-19
2.9.1
Modes ... 2-19
2.9.2 Sample
Rate ... 2-19
2.9.3 Multiplexed Channels
... 2-19
2.9.4 Trace
Memory ... 2-19
2.9.5 Acquisition Time
... 2-20
2.9.6
Resolution ... 2-20
2.9.7
Registers ... 2-21
2.9.8 Register Manipulations
... 2-21
2.9.9 Digital Acquisition
Accuracies ... 2-21
2.10 FRONT PANEL
MEMORY ... 2-21
2.11 BLANKING OR Z-AXIS (ONLY FOR ANALOG
TRACE) ... 2-22
2.12 DISPLAY
... 2-22
2.12.1
CRT ... 2-22
2.12.2
Modes ... 2-22
2.12.3 Vertical Display Manipulations (Digital
Mode) ... 2-23
2.12.4 Horizontal Display Manipulations (Digital
Mode) ... 2-23
2.13 EXTERNAL
INTERFACES ... 2-24
2.13.1
Calibrator ... 2-24
2.13.2 Standard external
interface ... 2-24
2.13.3 Optional external
interfaces ... 2-25
2.13.4 Printers and plotters
support ... 2-25
2.13.5 Real Time Clock
... 2-26
2.14 AUTO SET &
CALIBRATION ... 2-26
2.14.1 Auto Set
... 2-26
2.14.2
Calibration ... 2-26
2.15 POWER SUPPLY AND BATTERY
BACKUP ... 2-26
2.15.1 Power Supply
... 2-26
2.15.2 Battery Backup
... 2-27
2.16 MECHANICAL
CHARACTERISTICS ... 2-27
2.17 ENVIRONMENTAL
CHARACTERISTICS ... 2-28
2.17.1
General ... 2-28
2.17.2
Environmental ... 2-28
2.17.3 EMI
... 2-29
2.18
SAFETY ... 2-30
2.19
ACCESSORIES ... 2-30
2.20 OPTIONS & OPTIONAL
VERSIONS ... 2-30
2.20.1 Options Line cord
... 2-30
2.20.2 Options digital
versions ... 2-30
2.20.3 Options analog
... 2-31
2.20.4 Specification optional
outputs ... 2-31
2.20.5 Specification External trigger option
... 2-31
2.20.6 Specification IEEE-OPTION
... 2-32
2.20.7 Extended
memory ... 2-33
3 DESCRIPTIONS 35
3.1 GENERAL
DESCRIPTION ... 3-5
3.1.1 Introduction to Oscilloscope
family ... 3-5
3.1.2 Introduction to
descriptions ... 3-5
3.1.3 Explanation of signal
names ... 3-6
3.1.4 Voltage values in the circuit
diagrams ... 3-6
3.2 BLOCK DIAGRAM DESCRIPTION
... 3-7
3.2.1
Introduction ... 3-7
3.2.2 Vertical
channels ... 3-8
3.2.3 Triggering and time
bases ... 3-9
3.2.4 Final amplifiers
... 3-10
3.2.5 Front unit and
microprocessor ... 3-11
3.2.6 Power
supply ... 3-11
3.2.7
Digitizer ... 3-12
4 PARTS
... 4-1
4.1
UNITS ... 4-1
4.2 INTERCONNECTION
CABLES ... 4-2
4.3 MECHANICAL
PARTS ... 4-4
5 UNIT
DESCRIPTIONS ...
5.1-1
5.1 SIGNAL UNIT A1
... 5.1-1
5.1.1 Description
A1 ... 5.1-1
5.1.2 Signal name
list ... 5.1-14
5.1.3 Unit lay-outs
... 5.1-21
5.1.4 Location list Signal Unit A1
... 5.1-25
5.1.5 Circuit diagrams
... 5.1-35
5.1.6 Parts list
... 5.1-61
5.2 FINAL XYZ Amplifier A2
... 5.2-1
5.2.1 Description of A2-200 MHz
version ... 5.2-1
5.2.2 Signal name list A2-200 MHz
version ... 5.2-5
5.2.3 Unit lay-outs A2-200 MHz
version ... 5.2-7
5.2.4 Location list A2-200 MHz version
... 5.2-9
5.2.5 Circuit diagramsA2-200 MHz version
... 5.2-13
5.2.6 Parts list A2-200 MHz
version ... 5.2-19
5.2.7 Description of A2-100 MHz
version ... 5.2-35
5.2.8 Signal name list A2-100 MHz
version ... 5.2-39
5.2.9 Unit lay-outs A2-100 MHz
version ... 5.2-41
5.2.10 Location List A2-100 MHz
version ... 5.2-43
5.2.11 Circuit diagrams A2-100 MHz
version ... 5.2-47
5.2.12 Parts list A2-100 MHz
version ... 5.2-53
5.3 MICROPROCESSOR
A3 ... 5.3-1
5.3.1 Description
A3 ... 5.3-1
5.3.2 Signal name list
A3 ... 5.3-2
5.3.3 Location
list ... 5.3-4
5.3.4 Unit lay-outs
... 5.3-5
5.3.5 Circuit diagrams
... 5.3-7
5.3.6 Parts list
... 5.3-13
5.4 FRONT UNIT A4
... 5.4-1
5.4.1 Description
... 5.4-1
5.4.2 Signal name list
A4 ... 5.4-1
5.4.3 Key
switches ... 5.4-2
5.4.4 Unit lay-outs
... 5.4-5
5.4.5 Circuit diagrams
... 5.4-7
5.4.6 Parts list
... 5.4-9
5.5 CRT CONTROLS UNIT A5
... 5.5-1
5.5.1 Description
... 5.5-1
5.5.2 Unit
Lay-outs ... 5.5-2
5.5.3 Circiuit
diagram ... 5.5-3
5.5.4 Parts list
... 5.5-4
5.6 POWER SUPPLY
A6 ... 5.6-1
5.6.1 Description
A6 ... 5.6-1
5.6.2 Signal name list
A6 ... 5.6-5
5.6.3 Unit lay-outs
... 5.6-7
5.6.4 Circuit diagram
... 5.6-9
5.6.5 Parts list
... 5.6-13
5.7 RESERVED FOR FUTURE
EXTENSIONS ... 5.7-1
5.8 DIGITIZER A8
... 5.8-1
5.8.1 Descriptions
... 5.8-1
5.8.2 Signal name list digitizer A8
... 5.8-23
5.8.3 Unit lay-outs
... 5.8-29
5.8.4 Location
list ... 5.8-31
5.8.5 Circuit diagrams
... 5.8-37
5.8.6 Parst list
... 5.8-55
5.9 RESERVED FOR FUTURE
EXTENSIONS ... 5.9-1
5.10 CONNECTOR BOARD
A10 ... 5.10-1
5.10.1 Unit lay-out
... 5.10-1
5.10.2 Circuit diagram
... 5.10-3
5.10.3 Parts list
... 5.10-5
5.11 FACTORY INSTALLED
OPTIONS ... 5.11-1
5.11.1
IEEE-OPTION ... 5.11-1
5.11.2 AUXILIARY OUTPUTS
OPTION ... 5.11-1
5.11.3 EXTERNAL TRIGGER
OPTION ... 5.11-7
6 PERFORMANCE
TEST ... 6 1
6.1 GENERAL INFORMATION
... 6-1
6.2 RECOMMENDED TEST EQUIPMENT
... 6-2
6.3 TEST PROCEDURE
... 6-3
6.3.1 Preliminary
settings ... 6-3
6.3.2 Power
supply ... 6-3
6.3.3 Auto
set ... 6-4
6.3.4
Orthogonality ... 6-5
6.3.5 Trace distortion
... 6-6
6.3.6 Vertical deflection; deflection
coefficients ... 6-6
6.3.7 Vertical deflection; variable gain control range
(continuation of 4.3.6) ... 6-8
6.3.8 Vertical deflection; input coupling (continuation of
4.3.7) ... 6-8
6.3.9 Vertical cursor accuracy (continuation of
4.3.8.) ... 6-9
6.3.10 Vertical deflection; high-frequency response
... 6-9
6.3.11 Vertical deflection; low-frequency response
... 6-10
6.3.12 Vertical deflection; dynamic range at 15/25/50
MHz ... 6-11
6.3.13 Vertical deflection; dynamic range at 60/100/200 MHz
(continuation of 4.3.12) 6-11
6.3.14 Vertical deflection; position
range ... 6-12
6.3.15 Vertical deflection; crosstalk between channels at
60/100/200 MHz ... 6-12
6.3.16 Vertical deflection; common mode rejection ratio at 1
MHz ... 6-13
6.3.17 Vertical deflection; common mode rejection ratio at
50 MHz
(continuation of
4.3.16) ... 6-14
6.3.18 Vertical deflection; LF linearity
... 6-15
6.3.19 Vertical deflection; visual signal
delay ... 6-15
6.3.20 Vertical deflection; base line
instability ... 6-17
6.3.21 Delay difference between vertical channels
... 6-17
6.3.22 Horizontal deflection; display modes and trace
separation ... 6-19
6.3.23 Horizontal deflection; X
deflection ... 6-20
6.3.24 Horizontal deflection; MAIN TB deflection
coefficients ... 6-21
6.3.25 Horizontal deflection; VARiable mode accuracy MAIN
TB ... 6-22
6.3.26 Time cursor accuracy (continuation of 4.3.25)
... 6-23
6.3.27 Horizontal deflection; DELAYED TIME BASE deflection
coefficients ... 6-24
6.3.28 Horizontal deflection; delay time multiplier
... 6-25
6.3.29 Horizontal deflection; delayed timebase jitter
... 6-26
6.3.30 Horizontal deflection; X deflection coefficient via
CH1 ... 6-26
6.3.31 Horizontal deflection; X deflection coefficient via
’line’ ... 6-27
6.3.32 Horizontal deflection; high frequency response
... 6-28
6.3.33 Maximum phase shift between horizontal and vertical
deflection ... 6-28
6.3.34 MAIN TB triggering PM3390A.3392A/3394A;
trigger sensitivity via CH1, CH2, CH3 and CH4 (EXT)
... 6-30
6.3.35 MAIN TB triggering PM3370A.3380A/3382A/3384A;
trigger sensitivity via CH1, CH2, CH3 and CH4
(EXT) ... 6-31
6.3.36 MAIN TB/DEL’D TB triggering; trigger sensitivity
TVL-TVF ... 6-32
6.3.37 DEL’D TB triggering PM3390A.92A/94A;
trigger sensitivity via CH1, CH2, CH3 and CH4 (EXT)
... 6-32
6.3.38 DEL’D TB triggering PM3370A.80A/82A/84A;
trigger sensitivity via CH1, CH2, CH3 and CH4
(EXT) ... 6-34
6.3.39 Trigger sensitivity in logic mode PM3392A.3394A
... 6-35
6.3.40 Trigger sensitivity in logic mode PM3382A.3384A
... 6-36
6.3.41 Z-MOD sensitivity
... 6-37
6.3.42 Probe Adjust signal; frequency and output
voltage ... 6-38
6.3.43 Auto range
functions ... 6-39
7 CALIBRATION ADJUSTMENT PROCEDURE ... 7-1
7.1 INTRODUCTION
... 7-1
7.2 DARK LEVEL OF
CRT ... 7-1
7.3 TRACE
ROTATION ... 7-2
7.4 HORIZONTAL (X) GAIN AND OFFSET
(CRT) ... 7-2
7.5 TEXT STABILITY AND X-OFFSET
(CRT) ... 7-2
7.6 VERTICAL (Y) GAIN AND OFFSET
(CRT) ... 7-2
7.7 HORIZONTAL GAIN AND OFFSET
(VECTOR) ... 7-3
7.8 VERTICAL GAIN AND OFFSET (VECTOR)
... 7-3
7.9
ASTIGMATISM ... 7-3
7.10 AUTOCAL
PROCEDURE ... 7-3
7.11 LF SQUARE-WAVE RESPONSE
CH1 ... 7-4
7.12 LF SQUARE-WAVE RESPONSE CH2
... 7-5
7.13 LF SQUARE-WAVE RESPONSE CH3
... 7-5
7.14 LF SQUARE-WAVE RESPONSE CH4 and EXT TRIG
... 7-6
7.15 HF SQUARE-WAVE RESPONSE FINAL Y
AMPLIFIER ... 7-7
7.16 HF RESPONSE DSO
MODE ... 7-8
7.17 TRIGGER DELAY
ADJUSTMENT ... 7-9
7.18 SAVING THE CALIBRATION
DATA ... 7-10
7.19 TESTING THE INSTRUMENT’S
PERFORMANCE ... 7-10
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
8.2 REPLACEMENTS
... 8-1
8.2.1 Standard
parts ... 8-2
8.2.2 Special
parts ... 8-2
8.2.3 Transistors and Integrated
Circuits ... 8-2
8.3 STATIC SENSITIVE COMPONENTS
... 8-2
8.4 SOLDERING TECHNIQUES
... 8-3
8.4.1 General soldering
techniques ... 8-3
8.4.2 Soldering micro-miniature semi-conductors
... 8-3
8.5 REMOVING THE UNITS, MECHANICAL PARTS AND CRT
... 8-4
8.5.1 Removing the rotary
knobs ... 8-4
8.5.2 Detachment of ribbon
cables ... 8-4
8.5.3 Removal of signal unit A1
... 8-5
8.5.4 Removal of Final XYZ Amplifier unit
A2 ... 8-6
8.5.5 Removal of unit at socket of
CRT ... 8-7
8.5.6 Removal of Cathode Ray Tube (CRT)
... 8-7
8.5.7 Removal of microprocessor unit A3
... 8-7
8.5.8 Removal of the units in the front frame (A4,
A5) ... 8-8
8.5.9 Removal of the Power supply unit
A6 ... 8-8
8.5.10 Removal of digitizer unit
A8 ... 8-9
8.6 INSTRUMENT REPACKING
... 8-9
8.7 TROUBLESHOOTING
TECHNIQUES ... 8-9
8.8 TROUBLESHOOTING THE POWER
SUPPLY ... 8-10
8.9 SPECIAL
TOOLS ... 8-11
8.9.1 Extension board
... 8-11
8.9.2 Flash-ROM loader
program ... 8-11
8.10 RECALIBRATION AFTER
REPAIR ... 8-11
8.11 TESTS BUILT INTO THE
INSTRUMENT ... 8-12
8.11.1 Power-up
test ... 8-12
8.11.2 Introduction to diagnostic
tests ... 8-12
8.11.3
SELFTESTS ... 8-15
8.11.4 Repair
tools ... 8-17
9 SAFETY INSPECTION AND TESTS AFTER REPAIR AND
MAINTENANCE IN THE PRIMARY
CIRCUIT ... 9-1
9.1 GENERAL
DIRECTIONS ... 9-1
9.2 SAFETY
COMPONENTS ... 9-1
9.3 CHECKING PROTECTIVE
GROUND ... 9-1
9.4 CHECKING INSULATION RESISTANCE
... 9-1
9.5 CHECKING LEAKAGE CURRENT
... 9-1
9.6 VOLTAGE TEST
... 9-1