5.1.2 Nothing displays on the screen (Screen is black and colour of LED is blue):
5. Troubleshooting (continued)
Is backlight lit?
Refer "Checking the backlight unit" section"
OK
NG
Does computer output RGB
video signals?
OK
Check OSM menu is display
on screen when you push
the "MENU" key.
Proceed "Abnormal sreen"
dection"
OK
NG
Check the video cable for failure. Check the
host for output signal is all black or not.
1) Change pattern of video signal output on
the host.
2) Reconnect the video cable.
3) Change the video cable.
NG
Check if the LCD video signal cable is
connected between the Interface Board and
LCD module.
OK
Next Page
NG
Failure Point
The LCD video signal cable is
disconnected.
22
ACER A211H/A221HQ
Содержание A221HQV
Страница 1: ...Model ID RG215AC CAU AN02 ACER_LCD_A211H A221HQ_SM20100512V1 ...
Страница 14: ...3 Exploded Diagram 3 1 Product Exploded Diagram 12 Go to contents page ACER A211H A221HQ ...
Страница 15: ...3 Exploded Diagram continued 3 2 Packing Exploded Diagram 13 Go to contents page ACER A211H A221HQ ...