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Troubleshooting Manual

SIGLENT SDL1000X, Troubleshooting Manual

The SIGLENT SDL1000X Troubleshooting Manual is a comprehensive guide designed to assist users in resolving technical issues with ease. This essential manual can be downloaded for free from our website, ensuring that you have all the troubleshooting information you need at your fingertips.

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SDL1000X Troubleshooting Manual

ESD Precautions

............................................................................................................... 2

Required Equipment

........................................................................................................ 2

Main Board Drawing

........................................................................................................ 3

Check the Power Supply

................................................................................................ 4

Check the Analog Section

.............................................................................................. 4

Voltage Checking

.......................................................................................................... 5

Analog Section Clock Checking

............................................................................... 5

MCU Checking

............................................................................................................... 5

Check the Digital Section

............................................................................................... 6

Voltage Checking

.......................................................................................................... 6

Digital Section Clock Checking

................................................................................ 6

CPU Checking

................................................................................................................ 6

Quick Guide for General Failures

................................................................................. 7

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Summary of Contents for SDL1000X

Page 1: ...2 Main Board Drawing 3 Check the Power Supply 4 Check the Analog Section 4 Voltage Checking 5 Analog Section Clock Checking 5 MCU Checking 5 Check the Digital Section 6 Voltage Checking 6 Digital Section Clock Checking 6 CPU Checking 6 Quick Guide for General Failures 7 ...

Page 2: ...nal modules or components resulting from ESD Touch circuit boards by the edges whenever possible Limit handling of static sensitive modules whenever possible Wear a grounded antistatic wrist strap to help drain the static voltage from your body while touching these modules Operate static sensitive modules only in static free areas Avoid handling modules in areas that allow anything capable of gene...

Page 3: ...tal sections 1 Power section 110 220 V is converted to a low voltage to supply the analog and digital sections 2 Analog section Used primarily in the functions of CC CV CR CP etc 3 Digital section Responsible for data processing function control and LCD display control ...

Page 4: ...ns using a digital multimeter hat are marked with blue brown yellow and white to check whether the AC voltage values are within the corresponding specified range The voltage parameters to be tested are listed in table below Table 5 2 Test AC voltages on the analog section power connector Pins Voltage V Error V blue to blue 8 1 Yellow to brown 16 2 White to yellow 16 2 Table 5 3 Test AC voltage for...

Page 5: ... to be tested are listed in the table below Voltage Checking Test the voltage points in the analog section and compare to the table below If each tested voltage value is within the corresponding specified range then the analog section is operating normally If not it is most likely defective Please return it to the factory for repairor contact SIGLENT Table 5 3 Test DC voltages of the analog board ...

Page 6: ...return it to the factory for repairor contact SIGLENT Test point Name Test pin Voltage V Error V T7 U5 8 3 3 0 065 Digital section Clock Checking To verify if the clock in the digital section is working correctly please test the clock frequency and compare to the value listed below using an oscilloscope Test point Name Pin Frequency Stability T8 R18 1 or 2 25 MHz 50 ppm CPU Checking There is no st...

Page 7: ...d return the instrument to the factory to have it repaired by qualified personnel 4 Check if the power connector is properly connected to the main board 5 If the instrument still does not work normally please contact SIGLENT 2 The instrument starts up with a dark screen 1 Check if the power connector is properly connected to the main board 2 If the instrument still does not work normally please co...

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