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General| Display | LCD |
|---|---|
| Power | 4 AA batteries |
| Units of Measurement | g, kg, oz, lb |
| Operating Temperature | 10°C to 40°C |
| Auto-Off | Yes |
| Material | Stainless steel |
| Capacity | 3000 g |
| Readability | 0.1 g |
Overview of the service manual's scope and structure.
Requirements for the service area to ensure proper scale maintenance.
Lists standard and special tools required for servicing EB Series Scales.
Lists common tools like DVM, electronics kit, magnifier, etc.
Lists specialized equipment like Load Cell Simulator and AC Adapters.
Specifies the type and values of calibration masses needed for testing.
Outlines the repair approach, focusing on major assembly substitution.
Details the technical specifications for EB Series Scales, including capacity, resolution, etc.
Explains user-selectable scale settings like increment, backlight, and filtering.
Procedures for setting up the scale and visually inspecting for damage.
Initial checks before troubleshooting, including AC adapter and error codes.
Tables that identify common problems, probable causes, and remedies.
Lists error codes displayed by the scale and their corresponding remedies.
Procedures for testing the AC adapter's voltage output.
Instructions for testing the membrane switch using an ohmmeter.
Methods for testing the load cell assembly, including resistance and voltage tests.
Procedure to measure the resistance of the load cell.
Procedure to measure excitation and output voltages of the load cell.
Procedures for testing the main PC board via voltage measurements and simulation.
Steps to measure various voltages on the main PC board.
Using a simulator to test the main PC board's functionality.
Simulates load cell voltages to check main PC board circuitry.
Uses a simulator to calibrate and verify the main PC board.
Procedures and precautions for testing the rechargeable battery.
Safety warnings and precautions for handling the scale's battery.
Procedures for testing the battery's performance and charge capacity.
Introduction to component replacement procedures for the EB Series scales.
Step-by-step guide to removing the top housing of the scale.
Instructions for disassembling the scale to replace the membrane switch.
Introduction to procedures for the main PC board.
Detailed steps for replacing the main PC board.
Steps to remove and replace the display PC board.
Procedure for replacing the LCD, noting its difficulty.
Guide to removing and replacing the entire load cell assembly.
Instructions for replacing only the load cell, keeping the frame.
How to adjust overload stops after load cell replacement.
Procedure for removing and installing a new rechargeable battery.
Overview of performance tests to evaluate scale functionality after repairs.
Procedure to verify the scale's display segments.
Method for testing the scale's repeatability using a standard mass.
Test to check scale accuracy when loads are placed off-center.
Test to determine the scale's linearity across its operating range.
Overview of the calibration process for the EB Series scales.
Lists the specific calibration weights required for each model.
Step-by-step guide to performing span calibration on the scale.
Introduction to exploded views and parts identification.
Exploded view diagram showing the main components of the EB Series scale.
Instructions on how to access the scale's service menu.
Procedure for performing a three-point calibration in service mode.
Steps to configure scale settings like capacity and resolution.
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