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TROUBLESHOOTING GUIDE: LED

25

ENGLISH

Circuit Diagram and Related Scanning Circuit Board

 

Summary of Contents for OT-310

Page 1: ...OT 310 Handheld POS Terminal Service Manual...

Page 2: ...i ENGLISH Table of Contents Troubleshooting Guide 1 Access Diagnostic Program 1 LCD RGB 2 LCD Backlight 4 Switch Key 6 Touch Panel 10 SD Card 13 Rear Camera 15 MSR 17 Barcode 20 LED 24...

Page 3: ...he major components by using the Diagnostic Program To access the Diagnostic Program do the following Access Diagnostic Program 1 Touch the Home key to return to the Home screen Then touch Function Te...

Page 4: ...G GUIDE LCD RGB 2 ENGLISH LCD RGB To test the LCD do the following 1 Touch the LCD RGB button 2 After the LCD test is complete select Pass or Fail LCD Checking Flowchart If the LCD test fails perform...

Page 5: ...TROUBLESHOOTING GUIDE LCD RGB 3 ENGLISH Circuit Diagram and Related Scanning Circuit Board Check point LCD Connector CON8 Check point Power suppy for LCD...

Page 6: ...ESHOOTING GUIDE LCD Backlight 4 ENGLISH LCD Backlight To test the LCD backlight touch the Backlight button LCD Backlight Checking Flowchart If the LCD backlight is not working normally perform the fol...

Page 7: ...TROUBLESHOOTING GUIDE LCD Backlight 5 ENGLISH Circuit Diagram and Related Scanning Circuit Board Check point LCD Backlight CON8...

Page 8: ...SHOOTING GUIDE Switch Key 6 ENGLISH Switch Key To test the Switch key touch the Switch button Switch Checking Flowchart a If the Volume Up Volume Down F1 F2 key is not working normally perform the fol...

Page 9: ...ROUBLESHOOTING GUIDE Switch Key 7 ENGLISH b If the Power key is not working normally perform the following Circuit Diagram and Related Scanning Circuit Board Check point Volume Up Volume Down F1 F2 ke...

Page 10: ...TROUBLESHOOTING GUIDE Switch Key 8 ENGLISH Check point Volume Up Volume Down F1 F2 key continue...

Page 11: ...TROUBLESHOOTING GUIDE Switch Key 9 ENGLISH Check point Power key...

Page 12: ...OUBLESHOOTING GUIDE Touch Panel 10 ENGLISH Touch Panel To test the touch panel touch the Touch button Touch Panel Checking Flowchart If the touch panel is not functioning normally perform the followin...

Page 13: ...TROUBLESHOOTING GUIDE Touch Panel 11 ENGLISH Circuit Diagram and Related Scanning Circuit Board...

Page 14: ...TROUBLESHOOTING GUIDE Touch Panel 12 ENGLISH...

Page 15: ...GUIDE SD Card 13 ENGLISH SD Card To test the SD card slot touch the SD Card 2 button SD Card Slot Checking Flowchart If the system fails to read the memory card inserted into the SD card slot perform...

Page 16: ...TROUBLESHOOTING GUIDE SD Card 14 ENGLISH Circuit Diagram and Related Scanning Circuit Board...

Page 17: ...LESHOOTING GUIDE Rear Camera 15 ENGLISH Rear Camera To test the rear camera touch the Rear Camera button Rear Camera Checking Flowchart If the rear camera is not functioning normally perform the follo...

Page 18: ...TROUBLESHOOTING GUIDE Rear Camera 16 ENGLISH Circuit Diagram and Related Scanning Circuit Board...

Page 19: ...TROUBLESHOOTING GUIDE MSR 17 ENGLISH MSR To test the MSR module touch the MSR TEST button MSR Module Checking Flowchart If the MSR module is not functioning normally perform the following...

Page 20: ...TROUBLESHOOTING GUIDE MSR 18 ENGLISH Circuit Diagram and Related Scanning Circuit Board...

Page 21: ...TROUBLESHOOTING GUIDE MSR 19 ENGLISH...

Page 22: ...ESHOOTING GUIDE Barcode 20 ENGLISH Barcode To test the barcode module touch the Barcode TEST button Barcode Module Checking Flowchart If the barcode module is not functioning normally perform the foll...

Page 23: ...TROUBLESHOOTING GUIDE Barcode 21 ENGLISH Circuit Diagram and Related Scanning Circuit Board...

Page 24: ...TROUBLESHOOTING GUIDE Barcode 22 ENGLISH...

Page 25: ...TROUBLESHOOTING GUIDE Barcode 23 ENGLISH...

Page 26: ...TROUBLESHOOTING GUIDE LED 24 ENGLISH LED To test the LED module touch the LED TEST button LED Module Checking Flowchart If the LED module is not functioning normally perform the following...

Page 27: ...TROUBLESHOOTING GUIDE LED 25 ENGLISH Circuit Diagram and Related Scanning Circuit Board...

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