The Touch Position Is Shifted; The Touch Position Is Shifted Even After Calibration - Sharp PN-T322B Service Manual

CHAPTER 8. TROUBLESHOOTING

8. THE TOUCH POSITION IS SHIFTED

Is the OS Windows7?
No

9. THE TOUCH POSITION IS SHIFTED EVEN AFTER CALIBRATION

Is the unit installed in a place that is exposed to
direct sunlight?
No
Is the screen exposed to a strong illumination light?
No
Is there any foreign material on the LCD surface?
No
Is there any foreign material or dirt on the reflection
tape?
No
Is there any foreign material or dirt on the camera
module section?
No
Replace the touch panel (protection glass with
the camera, control PWB).
MEMO
The PN-T322B must not installed to a place which is exposed to direct sunlight or strong light.
n
Since this unit is a touch panel using infrared light, it may malfunction.
Yes
Use "Tablet PC Adjustment" on
the control panel to calibrate.
Has "TSCU" been booted?
No
Yes
Yes
Yes
Yes
Yes
PN-T321/T322B TROUBLESHOOTING
8 – 5
Yes
Use "TSCU" to calibrate.
Boot "TSCU" and perform calibration.
Change the installation site or installing
direction.
Change the position of the illumination light or
the direction of the set.
Remove.
Clean with a soft, dry cloth.
Remove with air blower.