16
5. Remote Control malfunction
6. OSD is unstable or can’t work normally
Remote Control malfunction
Replace the battery
Replace the remote control
Whether the IR board is
abnormal?
Yes
No
Replace the IR board
Replace the main board
No
Yes
No
Yes
Use the other remote controls
Check the remote control battery is
not properly placed or no power?
Key board connected properly?
Reconnect the key board
Buttons are ok?
Replace the button function
Yes
No
Key board is ok?
Replace the key board
Replace the main board
No
Yes
No
Yes
OSD is unstable or can’t work normally
All manuals and user guides at all-guides.com
all-guides.com
Summary of Contents for HL42XP22
Page 10: ...10 Step3 Remove the BKT and SPEAKERS All manuals and user guides at all guides com ...
Page 18: ...18 All manuals and user guides at all guides com ...
Page 19: ...19 6 2 Power Board 715G3885P01W20003M All manuals and user guides at all guides com ...
Page 20: ...20 All manuals and user guides at all guides com ...
Page 21: ...21 All manuals and user guides at all guides com a l l g u i d e s c o m ...
Page 23: ...23 6 5 IR Board 715G4247R01000004S All manuals and user guides at all guides com ...
