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PFL720
Polar Instruments PFL720 Manuals
Manuals and User Guides for Polar Instruments PFL720. We have
1
Polar Instruments PFL720 manual available for free PDF download: Service Manual
Polar Instruments PFL720 Service Manual (42 pages)
Brand:
Polar Instruments
| Category:
Test Equipment
| Size: 0 MB
Table of Contents
Declarations
5
European Community Directive Conformance Statement
5
Safety
6
Warning
6
Power Supply
6
Operation
7
Caution
7
Electrical Isolation
7
Static Sensitive Devices
7
Specifications
8
Environmental Operating Conditions
8
Power Requirements
8
Fuses
8
Channel a and B Protection Fuses
9
Physical Characteristics
9
Symbols
9
Accessories
9
Optional Accessories
9
Table of Contents
10
Contents
11
Section 1 - Performance Check
13
Maintenance and Calibration of Instruments
13
Performance Check
13
Calibration Procedure
13
Recommendations for Routine Maintenance
13
Performance Check
14
Procedure
14
Section 2 - Calibration
17
Calibration Procedure
17
Equipment Required
17
Procedure
17
Section 3 - Circuit Description
19
The Microprocessor Kernel
19
System Processor
19
Address Decoding and Memory
19
The I/O System
20
The Input/Output System
20
Timer
20
RS232 Communications
20
Waveform Generation and Drive Circuits
21
Waveform Generators/Buffers
21
Digital to Analog Converters
21
Drive Circuits
22
Input Amplifier
22
System OK LED
22
A to D CONVERTER
23
Analog to Digital Conversion
23
Signal Input Selection
23
Pulser
23
Pulse Generator Width Control
23
Amplitude and Polarity Control
23
Power Supplies
24
High Voltage Supply
24
Low Voltage Supplies
24
Section 4 - Dismantling Instructions
25
Accessing the Firmware Roms
25
Calibration
25
Repair or Line Change
25
Removal of Outer Covers
25
Section 5 - Line Voltage and Fuse Changing
27
Line Voltage Selection and Fuse Changing
27
Changing the Line Voltage
27
Replacing Fuses
27
Line Fuse
27
Input Protection Fuses
28
Section 6 - Fault Diagnosis
29
System Diagnostics
29
Instrument Diagnostics
29
Displaying Fault Codes
29
Diagnostic Fault Codes
29
Section 7 - Maintenance and Cleaning
31
Cleaning
31
Technical Support
31
Instrument Repair
31
Section 8 - Replacement Parts
33
Main Board Components
34
Mechanical Components
38
Led Pcb Components
38
Section 9 - Schematic Diagrams
41
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