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Philips PM3055 Oszilloskop
Hersteller:
Philips
Modell: PM3055
Datum: 1987
Kategorie: Messgeräte
Gruppe: Oszilloskop
Beschreibung: Dual Time Base Oscilloscope
Informationen:
                                    60 MHz Dual Time Base Oscilloscope.

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Philips -- PM3055 -- Serviceanleitung
Dateiname: Philips-471-Manual-Page-1-Picture
Dokumenttyp: Serviceanleitung
Seitenanzahl: 51
Dateigröße: 1.65 Mbytes (1732643 Bytes)
Sprache: Englisch
Revision:
Dokument-ID/Nummer: 4822 872 05327
Datum: 11 April 1988
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Philips -- PM3055 -- Bedienungsanleitung
Dateiname: Philips-6730-Manual-Page-1-Picture
Dokumenttyp: Bedienungsanleitung
Seitenanzahl: 41
Dateigröße: 4.66 Mbytes (4887005 Bytes)
Sprache: Englisch
Revision:
Dokument-ID/Nummer: 4822 872 00454
Datum: 12 September 1990
Qualität: Gescanntes Dokument, alles ist lesbar.
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1. OPERATORS SAFETY ME
1.1
Introduction..............................................................................................................................1-1E
1.2 Safety precautions
.....................................................................................................................1-1E
1.3 Caution and warning
statement.................................................................................................1-1E
1.4
Symbols......................................................................................................................................1-1E
1.5 Impaired
safety-protection........................................................................................................1-1E
2. INSTALLATION INSTRUCTIONS 2-1E
2.1 Initial inspection
........................................................................................................................2-1E
2.2 Safety
instructions....................................................................................................................2-1E
2.2.1
Earthing......................................................................................................................................2-1E
2.2.2 Mains voltage cord and
fuses......................................................................................................2-1E
2.3 Operating position of the
instrument.......................................................................................2-2E
2.4 Rackmount
version.....................................................................................................................2-2E
3. OPERATING INSTRUCTIONS 3-1E
3.1 Switching-on and auto-set
.........................................................................................................3-1E
3.1.1
Switching-on..............................................................................................................................3-1E
3.1.2 Auto
set......................................................................................................................................3-1E
3.2 Explanation of controls and
sockets.........................................................................................3-2E
3.2.1
Introduction..............................................................................................................................3-2E
3.2.2 C.R.T. control
area.....................................................................................................................3-4E
3.2.3 Up-down control
area................................................................................................................3-4E
3.2.4 Function control
area................................................................................................................3-5E
3.2.5 Potentiometer
area.....................................................................................................................3-11E
3.2.6 Inputs and
outputs.....................................................................................................................3-12E
3.2.7 Rear
panel....................................................................................................................................3-12E
3.2.8 Application select
menu..............................................................................................................3-14E
3.3 Principle of
operation................................................................................................................3-15E
3.3.1 Control section
...........................................................................................................................3-15E
3.3.2 Vertical deflection
.....................................................................................................................3-15E
3.3.3 Horizontal deflection
................................................................................................................3-16E
3.3.4 C.R.T.
Display............................................................................................................................3-17E
3.3.5 Power
supply...............................................................................................................................3-17E
3.4 Brief checking
procedure...........................................................................................................3-18E
3.4.1 General
information...................................................................................................................3-18E
3.4.2 Entering the brief checking procedure
....................................................................................3-18E
3.4.3 Brief checking of controls and
functions..................................................................................3-19E
4. PREVENTIVE MAINTENANCE 4-1E
4.1 General
information...................................................................................................................4-1E
4.2 Removing the bezel and contrast
filter....................................................................................4-1E
4.3
Recalibration..............................................................................................................................4-1E
5. CHARACTERISTICS 5-1E
5.1
Display.........................................................................................................................................5-2E
5.2 Vertical deflection or Y
axis......................................................................................................5-2E
5.2.1 Channels A and
B........................................................................................................................5-2E
5.2.2
Triggerview.................................................................................................................................5-3E
5.3 Horizontal deflection X
axis......................................................................................................5-4E
5.3.1 Main Time
Base..........................................................................................................................5-4E
5.3.2 Delay Time
Base..........................................................................................................................5-5E
5.3.3 X-deflection
...............................................................................................................................5-5E
5.3.4 EXT
input....................................................................................................................................5-5E
5.4
Triggering....................................................................................................................................5-6E
5.4.1 MTB
triggering............................................................................................................................5-6E
5.4.2 DTB
triggering............................................................................................................................5-7E
5.5 Power
supply...............................................................................................................................5-7E
5.6 Auxiliary in or
outputs..............................................................................................................5-7E
5.7 Environmental
characteristics....................................................................................................5-8E
5.8 Safety
.........................................................................................................................................5-9E
5.9
Accessories.................................................................................................................................5-10E
5.9.1 Accessory
information..................................................................................................................5-1OE
6. GLOSSARY OF TERMS 6-1E APPENDIX A A1 APPENDIX B B1
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Philips -- PM3055 -- Serviceanleitung
Dateiname: Philips-8638-Manual-Page-1-Picture
Dokumenttyp: Serviceanleitung
Seitenanzahl: 195
Dateigröße: 8.88 Mbytes (9310294 Bytes)
Sprache: Englisch
Revision:
Dokument-ID/Nummer: 4822 872 05327
Datum: 11 April 1988
Qualität: Gescanntes Dokument, alles ist lesbar.
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MD5: bab65ec73f51ac45392fe23f95ee31d6
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1. SAFETY INSTRUCTIONS 1-1
1.1 Introduction ......................................... 1-1
1.2 Safety precautions .................................. 1-1
1.3 Caution and warning statements ..................... 1-1
1.4 Symbols .............................................. 1-1
1.5 Impaired safety-protection ......................... 1-2
1.6 General clauses ..................................... 1-2
2. CHARACTERISTICS 2-1
2.1 Display .............................................. 2-3
2.2 Vertical deflections or Y axis ..................... 2-3
2.2.1 Channels A and B .................................... 2-3
2.2.2 Triggerview .......................................... 2-5
2.3 Horizontal deflection or X axis .................... 2-6
2.3.1 Main Time Base (MTB) ................................ 2-6
2.3.2 Delay Time Base (DTB) ............................... 2-6
2.3.3 X-deflection ........................................ 2-7
2.3.4 EXT input ............................................ 2-7
2.4 Triggering ........................................... 2-8
2.4.1 MTB triggering ...................................... 2-8
2.4.2 DTB triggering ...................................... 2-9
2.5 Power supply ......................................... 2-9
2.6 Auxiliary input or outputs ......................... 2-10
2.7 Environmental characteristics ...................... 2-10
2 .8 Safety ............................................... 2-12
3. INTRODUCTION TO CIRCUIT- AND BLOCK DIAGRAM DESCRIPTION 3-1
3.1 Introduction to circuit description ............... 3-1
3.2 Block diagram description .......................... 3-10
3.2.1 Introduction .........................................
3-10
3.2.2 Control unit .........................................
3-10
3.2.3 Attenuator unit ..................................... 3-10
3.2.4 Pre-amplifier unit .................................. 3-10
3.2.5 Time-base unit .......................................
3-12
3.2.6 XYZ unit .............................................
3-12
3.2.7 Power supply unit ................................... 3-13
4. ATTENUATOR UNIT (Al) 4-1
4.1 Vertical attenuators .................................4-1
4.2 External input ......................................4-2
5. PRE-AMPLIFIER UNIT (A2) 5-1
5.1 Vertical pre-amplifier ...............................5-1
5.2 MTB trigger pre-amplifier ...........................5-2
5.3 DTB trigger pre-amplifier ...........................5-3
5.4 Pre-amplifier control ................................5-4
6. XYZ-AMPLIFIER UNIT (A3) 6-1
6.1 Introduction ..........................................6-1
6.2 Final vertical (Y) amplifier ........................6-1
6.3 Final horizontal (X) amplifier ......................6-1
6.4 Final blanking (z) amplifier and CRT ...............6-2
7. TIME-BASE UNIT (A4) 7-1
7.1 Trigger amplifier ...................................7-1
7.2 Timing circuit .......................................7-2
7.3 Sweep generators .....................................7-4
7.4 X DEFL amplifier, and display mode switch ..........7-6
7.5 Z-amplifier ...........................................7-6
7.6 Timing diagrams ......................................7-8
8. CRT CONTROL UNIT (A5) 8-1
9. POWER SUPPLY UNIT (A6) 9-1
9.1 Input circuit .........................................9-1
9.2 Converter circuit ..................................9-1
9.3 Secondary output rectifiers .........................9-3
9.4 HT supply............................................9-3
9.5 Calibrator ............................................9-3
10. FRONT UNIT (A7-A8) 10-1
10.1 Microcomputer control circuit .......................10-1
10.1.1 Introduction to MAB8052 microcomputer ..............10-1
10.1.2 Characteristics of the I^C bus ......................10-1
10.1.3 I C structure
.........................................10-2
10.1.4 Microcomputer MAB8052 ...............................10-3
10.1.5 I^C decoding
.........................................10-4
10.1.6 Status input
..........................................10-5
10.1.7 Probe indicator
......................................10-5
10.1.8 C-Bus decoder
.........................................10-5
10.2 LCD display circuit ..................................10-5
10.3 Front-panel controls ................................10-6
11. PERFORMANCE CHECK 11-1
11.1 General information ................................. 11-1
11.2 Preliminary settings .................................11-2
11.3 Recommended test equipment ..........................11-2
11.4 Checking procedure ...................................11-3
11.4.1 Power supply
..........................................11-3
11.4.2 Display
...............................................11-3
11.4.3 Vertical deflection or Y-axis .......................11-4
11.4.4 Trigger view
..........................................11-10
11.4.5 Horizontal deflection or X-axis
.....................11-13
11.4.6 MTB triggering
.......................................11-18
11.4.7 DTB triggering
.......................................11-20
11.4.8 Auxiliary inputs and outputs .......................11-22
12. DISMANTLING THE INSTRUMENT 12-1
12.1 General information ..................................12-1
12.2 Removing the top and bottom covers .................12-1
12.3 Access to parts for the checking and adjusting
procedures ...........................................12-1
13. CHECKING AND ADJUSTING 13-1
13.1 General information ..................................13-1
13.2 Recommended test and calibration equipment .........13-6
13.3 Survey of adjusting elements ........................13-7
13.4 Checking and adjusting procedure ....................13-9
13.4.1 Preparation
..........................................13-9
13.4.2 Power supply adjustment ............................13-9
13.4.3 CRT display adjustment
...............................13-9
13.4.4 Square-wave response attenuator
.....................13-10
13.4.5 Adjustment of vertical sensitivities ...............13-10
13.4.6 Adjustment of horizontal sensitivity ...............13-11
13.4.7 Offset adjustments
...................................13-11
13.4.8 Adjustment of trigger sensitivity
...................13-12
13.4.9 Adjustment of the MTB sweep times
...................13-12
13.4.10 Adjustment of the DTB sweep times
...................13-12
13.4.11 Adjustment of xlO sweep times
.......................13-13
13.4.12 Adjustment of delay time multiplier
................13-13
13.4.13 Square-wave response of final Y-amplifier
..........13-13
13.4.14 Checking the AUTO SET function
......................13-14
14. CORRECTIVE MAINTENANCE 14-1
14.1 Replacements ..........................................14-1
14.1.1 Standard parts
........................................14-1
14.1.2 Special parts
........................................14-1
14.1.3 Transistors and Integrated Circuits ................14-1
14.1.4 Static-sensitive components
..........................14-2
14.1.5 Handling MOS devices
.................................14-2
14.2 Removing the units and mechanical parts ............14-3
14.2.1 Attenuator unit (Al)
.................................14-3
14.2.2 Pre-amplifier unit (A2)
..............................14-4
14.2.3 XYZ-amplifier unit (A3)
..............................14-4
14.2.4 Time-base unit (A4)
..................................14-4
14.2.5 CRT control unit (A5)
................................14-4
14.2.6 Power supply unit (A6) ..............................14-5
14.2.7 Front unit (A7) and LCD unit (A8) ...................14-6
14.2.8 Removing the delay line cable .......................14-7
14.2.9 Replacement fo CRT
...................................14-7
14.3 Soldering techniques ................................14-8
14.4 Instrument repacking ..................................14-8
14.5 Trouble shooting .....................................14-9
14.5.1 Introduction
.........................................14-9
14.5.2 Trouble-shooting techniques .........................14-9
14.5.3 Power-up routine
....................................14-10
14.5.4 Trouble-shooting the power supply ..................14-11
14.5.5 P.c.b. interconnections
..............................14-11
14.5.6 Signal waveforms
.....................................14-16
14.5.7 Semi conductor pinnings
..............................14-16
14.6 Special tools ........................................14-16
14.6.1 Trimming kit SBC 317
.................................14-16
14.6.2 P.c.b. snapper
.......................................14-17
■ 14.7 Recalibration after repair .........................14-17
15. SAFETY INSPECTION AND TEST AFTER REPAIR AND MAINTENANCE IN
THE PRIMARY CIRCUIT 15-1
15.1 General directives ...................................15-]
15.2 Safety components ...................................15-1
15.3 Checking the protective earth connection ...........15-1
15.4 Checking the insulation resistance .................15-1
15.5 Checking the leakage current ........................15-1
15.6 Voltage test ..........................................15-2
16. PARTS LIST 16-1
16.1 Mechanical parts .....................................16-1
16.2 Units .................................................16-6
16.3 Cables and connectors ................................16-7
16.3.1 Flatcables and connectors ...........................16-7
16.3.2 Pcb-connectors ......................................16-7
16.3.3 Miscellaneous cables ................................16-7
16.4 Electrical parts ......................................16-8
16.4.1 Capacitors
............................................16-8
16.4.2 Resistors
............................................16-11
16.4.3 Coils
.................................................16-16
16.4.4 Semi-conductors
......................................16-16
16.4.5 Integrated circuits
..................................16-18
16.4.6 Cathode ray tube
.....................................16-18
16.4.7 Miscellaneous
........................................16-18
17. OPTIONS 17-1
17.1 Y-OUT .................................................17-1
17.1.1 Characteristics
......................................17-1
17.1.2 Circuit description
..................................17-1
17.1.3 Adjusting and checking procedure ....................17-2
17.1.4 Parts list
............................................17-3
17.2 MTB gate, DTB gate and MTB sweep.....................17-6
17.2.1 MTB gate
..............................................17-6
17.2.2 DTB gate
.............................................17-6
17.2.3 MTB sweep
.............................................17-6
17.2.4 Parts list
............................................17-6
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