![background image](http://html.mh-extra.com/html/nec/multi-sync-ea221wm/multi-sync-ea221wm_service-manual_249928011.webp)
2-2
2.2 No Video (LED indicator orange)
NG
OK
The power on/off switch
is turned on.
OK
NG
Replace the PC.
Check the PC.
Check the signal cable.
No Video (LED indicator orange)
OK
NG
Replace signal cable.
Check connections of POWER PWB
or MAIN PWB.
OK
NG
The cable connector is inserted.
End
OK
NG
Replace the POWER PWB.
Replace the MAIN PWB.
OK
Summary of Contents for Multi Sync EA221WM
Page 24: ...3 4 3 3 Remove the shield 13 13 14 15 CN602 R L ...
Page 25: ...3 5 Shield_USB 16 Shield for Back Light 16 14 CN709 14 14 ...
Page 27: ...3 7 20 CN801 CN802 CN803 CN804 19 ...
Page 29: ...3 9 CN701 CN402 CN301 25 25 14 ...
Page 30: ...3 10 26 26 CN601 CN604 CN902 14 ...
Page 31: ...3 11 SYMBOL 12 Fix the cable on the position in the above photo with BLACK TAPE 27 50mm 12 ...