TROUBLESHOOTING
If your monitor fails to operate functionally, it may be possible to correct the problem by making simple checks as follows:
Problem | Check & Adjust | |
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Blank screen |
| Monitor power switch, |
(* note.) |
| power cord, signal cable, |
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| or connector |
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| PC power switch |
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| Brightness & contrast |
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| controls |
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Display position |
| Vertical centering & |
| horizontal phase controls | |
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Display too small |
| Vertical & horizontal size |
or too large |
| controls |
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Display too bright |
| Brightness & contrast |
or too dim |
| controls |
Refer to the operation instructions for your computer/ video adapter to ensure that you have the correct signal output source for the monitor. Ensure that the switches on the video adapter are set correctly for operation with this monitor.
If the above steps fail to correct the problem contact your dealer for servicing by qualified service personnel.
Please remember that the monitor should be returned for servicing together with the power cord.
*Note: You can easily distinguish the problem is on the monitor or on the computer by using the monitor’s
With the monitor power ON, disconnect the signal cable from monitor. If you see a “NO SIGNAL” image on the screen, (shown below) the monitor is function properly, and the problem is at PC side, or signal cable.
NO SIGNAL
SERVICING
•Refer all servicing to qualified service personnel.
Serious shock hazards exist within the covers of this monitor.
Do not open the covers under any circumstances- there are no serviceable parts inside.
SIGNAL CONNECTOR INFORMATION
15
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Pin | Function | Pin | Function | |
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1 | Red signal | 9 | NC | |
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2 | Green signal | 10 | Digital ground | |
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3 | Blue signal | 11 | Ground | |
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4 | Ground | 12 | SDA (DDC1/DDC2B) | |
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5 | * | 13 | Horizontal | |
Synchronization | ||||
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6 | Red return | 14 | Vertical synchronization | |
& VCLK (DDC1) | ||||
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7 | Green | 15 | SCL (DDC 2B) | |
return | ||||
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8 | Blue return |
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*Note: This pin is used for self test detection; at PC side, this pin has to be connected to ground.