Philips PM3055 Oszilloskop
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Modell:
PM3055
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Kategorie:
Gruppe:
Beschreibung:
Dual Time Base Oscilloscope
Information
60 MHz Dual Time Base Oscilloscope. (Rack version)
Dokumenttyp:
Serviceanleitung
Seiten:
51
Größe:
1.65 Mbytes (1732643 Bytes)
Sprache:
english
Revision:
Dokument-ID:
4822 872 05327
Datum:
1988 04 11
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Dokumenttyp:
Serviceanleitung
Seiten:
195
Größe:
8.88 Mbytes (9310294 Bytes)
Sprache:
english
Revision:
Dokument-ID:
4822 872 05327
Datum:
1988 04 11
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Information
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
Dokumenttyp:
Bedienungsanleitung
Seiten:
41
Größe:
4.66 Mbytes (4887005 Bytes)
Sprache:
english
Revision:
Dokument-ID:
4822 872 00454
Datum:
1990 09 12
Qualität:
Gescanntes Dokument, alles ist lesbar.
Upload Datum:
2015 05 18
MD5:
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Downloads:
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Information
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
Dokumenttyp:
Bedienungsanleitung
Seiten:
54
Größe:
41.74 Mbytes (43765978 Bytes)
Sprache:
french
Revision:
Dokument-ID:
4822 872 00454
Datum:
1990 09 12
Qualität:
Gescanntes Dokument, alles ist lesbar.
Upload Datum:
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MD5:
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