Equipment information

Philips PM2534 Digital multimeter
Manufacturer
Philips
Model PM2534
Date 1986
Category: Measurement instruments
Group Digital multimeter
Description System Multimeter
Information
                                    

These manuals are available for the above equipment:

Philips -- PM2534 -- Service and User Manual
File name Philips-516-Manual-Page-1-Picture
Manual Type Service and User Manual
Pages 74
Size 2.28 Mbytes (2386703 Bytes)
Language english
Revision
Manual-ID/Number 4822 872 30333
Date 17 January 1986
Quality Scanned document, reading partly badly, partly not readable.
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MD5 36e2c840b9dfaf1a7ac8af4c87897b52
Downloads 2379 since 06 March 2008
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Philips-516-Manual-Page-1-Picture
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Philips -- PM2534 -- Service Manual
File name Philips-4109-Manual-Page-1-Picture
Manual Type Service Manual
Pages 114
Size 14.49 Mbytes (15189457 Bytes)
Language english
Revision third edition
Manual-ID/Number 4022 072 35313
Date 05 February 1990
Quality Scanned document, all readable.
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MD5 46d8467f8d01a059859ed36ddef61fed
Downloads 1249 since 02 February 2013
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Philips -- PM2534 -- Service Manual
File name Philips-6930-Manual-Page-1-Picture
Manual Type Service Manual
Pages 114
Size 25.79 Mbytes (27042232 Bytes)
Language english
Revision
Manual-ID/Number 4822 872 35313
Date 05 February 1990
Quality Scanned document, all readable.
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MD5 203b630f55388751d27415740fbf366d
Downloads 669 since 26 July 2015
Information
THIS SERVICE MANUAL REPLACES:
the first edition Service Manual 4822 872 35302 the second
edition Service Manual 4822 872 35312
-Service note SME 126, 4822 872 38308
-Service note SME 130, 4822 872 38313
-Service note SME 132, 4822 872 38315

CONTENTS III
1. SAFETY INSTRUCTIONS 1-1
2. CHARACTERISTICS AND PERFORMANCE TEST 2-1
3. CIRCUIT DESCRIPTION 3-1
3.1 Explanation of the block diagram................ 3-1
3.2 Detailed description ............................ 3-6
3.3 Analog section ................................. 3-6
3.3.1 V dc measurement ................................ 3-7
3.3.2 V ac measurement .............................. 3-9
3.3.3 DC/AC current measurements ...................... 3-11
3.3.4 Resistance measurement .......................... 3-11
3.3.5 Temperature measurement ......................... 3-12
3.3.6 Multiplexer .................................... 3-12
3.3.7 Control of analog section ....................... 3-12
3.3.8 Guard circuit .................................. 3-12
3.3.9 Analog to Digital conversion .................... 3-13
3.3.9.1 General ........................................ 3-13
3.3.9.2 ADC principle .................................. 3-13
3.3.9.3 Automatic zero ................................. 3-14
3.3.9.4 DAC ............................................ 3-14
3.3.10 Reference voltages .............................. 3-14
3.3.11 Inguard-outguard connection ..................... 3-15
3.4 Digital section ................................. 3-15
3.4.1 Software description ............................ 3-15
3.4.2 RAM/ROM ........................................ 3-16
3.4.3 I2C bus ........................................ 3-16
3.5 IEEE/IEC interface .............................. 3-17
3.5.1 Receiving ...................................... 3-17
3.5.2 Transmitting ................................... 3-17
3.6 Display/keyboard ................................ 3-18
3.7 Data of components .............................. 3-18
3.7.1 8031 AH microcomputer ........................... 3-18
3.7.2 MAF 8441 ....................................... 3-22
3.7.3 DAC 08 E ....................................... 3-24
3.7.4 TL 7705A ....................................... 3-25
3.7.5 OM 503 ......................................... 3-26
3.7.6 SA 1045 ........................................ 3-27
3.7.7 OQ 0300......................................... 3-28
3.7.8 OQ 0301 ........................................ 3-29
3.7.9 SA 1300 ........................................ 3-31
3.7.10 PCF 8574 ....................................... 3-31
3.7.11 OQ 0068 ........................................ 3-33
3.7.12 LTC 1052 ....................................... 3-34
4. DISMANTLING THE INSTRUMENT 4-1
4.1 Removing the cover .............................. 4-1
4.2 Removing the top screening ......................4-2
4.3 Removing the bottom screening ...................4-2
4.4 Removing the front assembly ..................... 4-2
5. CHECKING AND ADJUSTING 5-1
5.1 General information ............................. 5-1
5.2 Calibration adjustments.......................... 5-1
5.3 Adjusting the PM2534/PM2535 using a controller.... 5-4
6. CORRECTIVE MAINTENANCE 6-1
6.1 Special parts .................................. 6-1
6.2 Replacing parts ................................ 6-2
6.2.1 Parts on the PCB ................................6-2
6.2.2 LX-display, window and interconnection rubber .... 6-2
6.2.3 Input unit ..................................... 6-3
6.2.4 Interchanging input unit ........................ 6-4
6.2.5 Fuses .......................................... 6-4
6.3 Trouble shooting ................................ 6-5
7. SAFETY INSPECTION AND TESTS AFTER REPAIR AND MAINTENANCE
IN THE PRIMARY CIRCUIT 7-1
7.1 General directives ...............................7-1
7.2 Safety components ................................7-1
7.3 Checking the protective earth connection ..........7-1
7.4 Adaption to the local mains ......................7-2
7.5 Adaption to the local mains frequency .............7-2
8. PARTS LIST 8-1
8.1 Mechanical parts ................................ 8-1
8.2 Electrical parts ................................ 8-3
9. CIRCUIT DIAGRAMS AND PRINTED CIRCUIT BOARDS LAY-OUTS 9-1
10. GLOSSARY OF TERMS 10-1
11. MODIFICATIONS
11.1 Hardware modifications .......................... 11-1
11.2 Software modifications .......................... 11-7
Philips-6930-Manual-Page-1-Picture
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Philips -- PM2534 -- User Manual
File name Philips-6935-Manual-Page-1-Picture
Manual Type User Manual
Pages 24
Size 5.54 Mbytes (5813514 Bytes)
Language english
Revision
Manual-ID/Number 4822 872 30389
Date 01 May 1988
Quality Scanned document, all readable.
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MD5 354f52d1db13242de133d2951e96539f
Downloads 336 since 29 July 2015
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1. INTRODUCTION 1-1E
2. SPECIFICATION OF THE RS232-C/V24 INTERFACE 2-1E
2.1
SPECIFICATION...........................................................................................................................
2-1E
2.2 SWITCH
SETTINGS......................................................................................................................
2-1E
2.2.1 Baudrate
.......................................................................................................................................
2-1E
2.2.2 Character length, parity,
handshake............................................................................................
2-1E
2.2.3 Multidrop
mode.............................................................................................................................
2-2E
2.3 CONNECTOR
PINNING................................................................................................................
2-4E
2.4 CABLE FOR CONNECTION BETWEEN THE P3200/IBM AT AND THE
PM9190 .................... 2-4E
2.5 CABLE FOR CONNECTION BETWEEN THE PM3102/IBM XT AND THE
PM9190.................. 2-4E
3. PROGRAMMING THE PM2534 AND PM2535 3-1E
3.1. INTERFACE
MESSAGES...............................................................................................................
3-1E
3.1.1 Remote/local
functions...................................................................................................................
3-1E
3.1.2 Device
clear...................................................................................................................................
3-1E
3.2 INTERFACE
PROGRAMMING......................................................................................................
3-1E
3.2.1
Separators.....................................................................................................................................
3-2E
3.2.2
Identity...........................................................................................................................................
3-2E
3.2.3 Interface
test.................................................................................................................................
3-2E
3.3 DEVICE
PROGRAMMING..............................................................................................................
3-2E
3.4 OUTPUT
DATA.............................................................................................................................
3-2E
3.4.1 General
rules.................................................................................................................................
3-2E
3.4.2 Measuring
data.............................................................................................................................
3-3E
3.4.3 Device status
data..........................................................................................................................
3-3E
Philips-6935-Manual-Page-1-Picture
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