Owon SDS7102V - Figure 32: Screws Secure the Fan; Figure 33: Screws Secure the Main Board

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Section 5: Maintenance

Figure 32: Screws secure the fan

10. Main Board

z Remove the three screws marked in red in the figure below, lift off the main board.

About the attenuation compensation resistances marked in green, refer to "4.5

Attenuation Compensation Capacitance and

Resistance Calibration" on P18.

Figure 33: Screws secure the main board

z Carefully open the connector and disconnect cable in the figure below. About the

attenuation compensation capacitances marked in green, refer to "4.5 Attenuation

Compensation Capacitance and

Resistance Calibration" on P18.

Main Page

Table of Contents4
General Safety Summary6
Section 1: General Information9
Introduction9
Accessories Supplied9
Technical Specifications9
Table 1: Specifications10
General Technical Specifications15
Table 2: General Specifications15
Declaration of Conformity16
Section 2: Installation17
Performing the General Inspection17
Operating Environment17
Storage and Transport17
Table 3: Environment17
Packaging18
Tagging for Service18
Power Supply Requirement18
Cleaning Requirements18
Section 3: Test and Calibration19
Equipment for Testing19
Test Standard19
Inspection Items and Methods19
Figure 1: Connection of Sweep Rate and Error Inspection20
Figure 2: Waveform of Sweep Rate and Error Inspection20
Figure 3: Connection of Voltage Division and Error Inspection21
Figure 4: Connection of Voltage Measurement and Error Inspection21
Figure 5: Connection of Transient Response Inspection22
Figure 6: Waveform of Transient Response Inspection22
Figure 7: Connection of Vertical Movement Range Inspection23
Figure 8: Connection of Input Impedance Inspection24
Figure 9: Connection of Maximum Input Voltage Testing24
Section 4: Debugging and Calibration26
Brief Introduction26
Tools and Devices26
The Interval Time to Calibration26
Auto-Calibration26
Attenuation Compensation Capacitance and Resistance Calibration26
Figure 10: Attenuation Switch27
Figure 11: Connection of Calibrating the Probe in the CH127
Figure 12: Displayed Waveforms of the Probe Compensation27
Figure 13: Adjust Probe27
Figure 14: the Position of the Attenuation Compensation Capacitance28
Figure 15: the Position of the Attenuation Compensation Resistance29
Section 5: Maintenance30
Brief Introduction30
Preparation and Safety Event30
Circuit Diagram30
Figure 16: SDS Series Block Diagram30
Removal and Installation Procedures32
Figure 17: the Schematic Circuit Diagram of the Power Supply32
Figure 18: Loosen the Screws of Battery Box32
Figure 19: Remove the Battery Box Cover32
Figure 20: Remove the Ground Connection33
Figure 21: Remove the Screws of Rear Panel34
Figure 22: Unsnap the Rear Panel (1)34
Figure 23: Unsnap the Rear Panel (2)34
Figure 24: Disconnect the Rear Panel and Remove the Battery Box Container35
Figure 25: Remove Power Supply Board35
Figure 26: Screws and Cables of the Adapter Plate36
Figure 27: Remove the Adapter Plate36
Figure 28: Remove the Chassis37
Figure 29: Fan Power Cable of the Chassis37
Figure 30: Install the Chassis (1)38
Figure 31: Install the Chassis (2)38
Figure 32: Screws Secure the Fan39
Figure 33: Screws Secure the Main Board39
Figure 34: Remove the Main Board40
Examination and Maintenance42
Figure 35: Troubleshooting Procedure (1)42
Figure 36: Troubleshooting Procedure (2)43
Section 6: Replaceable Parts44
Replaceable Parts List44
Order Information44
Table 4: Replaceable Parts List44

Owon SDS7102V - Figure 32: Screws Secure the Fan; Figure 33: Screws Secure the Main Board

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