Acer P7280 Refresh Service Manual page 92

No Symptom
Remote Control/
12
Control Panel Failed
13 Function Abnormal
14 Audio Abnonrmal
- Remote Control
a.Check Battery
b.Check Remote Controller
c.IR receiver
d.Check Main Board
- Control Panel
a.Check FPC
b.Check Keypad
c.Check Main Board
- Do "Reset(All data)" of the OSD Menu
- Check Main Board
- Check DMD Board
- Ensure that the signal cables and source are work as well
- Cleak Speaker Module
- Check Main Board
P7280/P7270I/P7280 Refresh/P7270I Refresh Confidential
Procedure
3-5