Acer AL2423W AL2423W LCD Monitor - Page 42

Always show NO SIGNEL, NO SIGNEL, Change, Cable, Change DVI, Cable or U7, Change U7

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Page 42 highlights

3. Always show "NO SIGNEL" "NO SIGNEL" Change NO Cable Check VGA or DVI Cable Yes VGA Check R4,R8,R10,R20, R21 Yes Yes Change U7 DVI Check U7 Pin 109, 110, 112,113, 117, 118, 120, 121 NO Change VGA Cable or R4, R8,R10, R20, R21 or U7 NO Change DVI Cable or U7 - 42 -

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3. Always show “NO SIGNEL”
“NO SIGNEL”
Check VGA or
DVI Cable
Yes
Change
Cable
NO
VGA Check
R4,R8,R10,R20,
R21
Change VGA
Cable or R4,
R8,R10,R20,
R21 or U7
NO
DVI Check U7
Pin
109, 110, 112,113,
117, 118, 120, 121
Change DVI
Cable or U7
Yes
Change U7
NO
Yes