Service manual

34
CHAPTER 3: Troubleshooting
3.5 TROUBLESHOOTING – Touch Panel Issues
Touch panel issues
1) SYMPTOM:
a. Touch screen is not accurate or invalid.
2) SOLUTION:
a. If the touch screen is not accurate, or has a slight deviation, simply press the "Enter" and "Stop" keys to enter the
screen calibration mode.
b. If the touch screen calibration does not work, check the touch screen for visible damage, indentation, or
deformation. If so, replace the entire console.
c. If not, confirm whether the touch screen, FPC wire is well-connected with the main board.
d. If well-connected, recalibrate the touch screen (same steps as (a)), if the screen cannot be calibrated, replace
the console.
TP FPC wire
TP connect on the main board