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Troubleshooting, Symptoms that appear to be failures – Yamaha pdm-4210 User Manual

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ENGLISH

Symptoms That Appear to be Failures

Make the checks suggested below depending on the symptoms observed. If the symptoms remain uncorrected, contact your dealer.

TROUBLESHOOTING

CAUTION

Customer servicing can be hazardous.

Symptom

• No picture with the power-indicating lamp

off.

• The message “No Sync. Signal” or “Power

Save” is displayed.

• No picture, with the power indicating lamp lit

orange.

• The message “Invalid Scan Freq.” is

displayed.

• The power indicating lamp is lit normally but

no picture displays.

• The display image appears flowing

slantwise.

• Text displayed across the screen appears

vertically streaked, with the characters in
vertical columns blurred.

• Text displayed across the screen appears

blurred.

• A fine pattern flickers when displayed on the

screen.

• The remote control does not work.

Point to check

• Check the way the power cable is connected.
• Press the power switch.

No sync signal is detected.
• Check the way the signal cable is connected.
• Make sure that the switch of the computer, imaging equipment ,

etc., is turned on.

• Make sure the computer is not in the power-save mode.
• Check to see if the input selection matches the connection

terminal.

An input signal is not received normally.
• Check to see if the input signal matches the monitor

specifications.

• Check the way the signal cable is connected.

• Check the contrast and brightness settings (adjust them for

higher contrast and brightness).

• Check the way the signal cable is connected.

• Adjust the dot clock frequency and phase. (Adjust the dot clock

frequency first, the dot clock phase next.)
(RGB input)

• Adjust the dot clock phase for the clearest viewing.

(RGB input)

• Check to see if the batteries are loaded in the remote control in

opposite direction.

• Check to see if the batteries in the remote control are OK.
• Check if the setting of remote control ID no. is correct.

! No Sync. Signal

! Invalid Scan Freq.