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IM-5238
Heathkit IM-5238 Manuals
Manuals and User Guides for Heathkit IM-5238. We have
1
Heathkit IM-5238 manual available for free PDF download: User Manual
Heathkit IM-5238 User Manual (65 pages)
AC Voltmeter
Brand:
Heathkit
| Category:
Multimeter
| Size: 13.99 MB
Table of Contents
Table of Contents
4
Parts List
5
Step-By-Step Assembly
9
Assembly Notes
9
Tools
9
Other Helpful Tools
9
Soldering
10
Circuit Board Assembly
11
A Good Solder Connection
12
Poor Solder Connections
12
Solder Connections to Watch out
12
Chassis Assembly
23
Tests and Calibration
34
Initial Tests
35
Calibration
36
Calibration Without Instruments
36
Bias Adjust
36
Db Converter Calibration
37
Final Assembly
40
Operation
42
Reading the Meter
42
Voltage Measurements
43
Db Measurements
44
Db Offset
44
Voltmeter Outputs
45
Amplified AC Volts
45
Volts Outputs
45
Db Output
45
Applications
46
In Case of Difficulty
47
General
47
Visual Checks
47
Bench Testing
48
Repair Techniques
48
Components
48
Foil Repair
48
Problem Isolation
49
Volts Functions
49
Preamplifier Checks
49
Main Amplifier Checks
50
Db Functions
50
Power Supply
51
Specifications
52
Circuit Description
53
Main Amplifier
53
AC-DC Converter Circuit
54
Log Converter
54
Log Conversion
54
Inverter-Buffer
55
Semiconductor Identification Charts
57
Diodes
57
Transistors
57
Integrated Circuits
58
Replacement Parts
63
Repair Service
63
Technical Consultation
63
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