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CHAPTER 4: TROUBLESHOOTING
4.4 Troubleshooting – Touch Panel Issues
Symptom:
The touch screen is not accurate or invalid.
Reason:
1. The screen needs to be calibrated.
2. The touch screen is damaged.
3. The FPC wire does not have a good connection to the GUI board.
Solution:
1. If the touch screen is not accurate or has a deviation, press the ENTER and STOP keys together for
3-5 seconds to enter the screen calibration mode. Follow the prompts to calibrate the touch screen.
2. Check the touch screen for visible damage, indentation, or deformation. If any damage is found,
replace the entire display.
3. Check the connection of the FPC wire at the GUI board. Even if well connected, disconnect and
reconnect and re-calibrate (see Step 1). If calibration still fails, replace the entire display.
FPC Wire
FPC connection on the GUI Board
Содержание LS15.0E
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Страница 3: ...3 CHAPTER 1 SERIAL NUMBER LOCATION 1 1 Serial Number Location LS15 0T ...
Страница 4: ...4 CHAPTER 1 SERIAL NUMBER LOCATION 1 2 Serial Number Location LS15 0E ...
Страница 14: ...14 CHAPTER 3 ELECTRICAL DIAGRAMS 3 1 Electrical Diagram LS15 0T ...
Страница 15: ...15 CHAPTER 3 ELECTRICAL DIAGRAMS 3 2 Electrical Diagram LS15 0E ...