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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
Содержание HL19D2
Страница 18: ...18 ...
Страница 19: ...19 Step 5 Remove the MAIN FRAME and PANEL Unscrew the 4 screws ...
Страница 25: ...25 6 PCB Layout 6 1 Main Board 715G3239M01002005F ...
Страница 26: ...26 ...
Страница 27: ...27 ...
Страница 28: ...28 6 2 Power Board 715G2783 3 7 ...
Страница 29: ...29 ...
Страница 30: ...30 6 3 Key Board 715G3303 1 6 4 IR Board 715G3963R01000004S ...
Страница 52: ...52 11 Exploded View ...