Hitachi Car Video System lcd monitor Manual Do Utilizador

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

Customer servicing can be hazardous.

• No picture with the power-indicating lamp off.

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

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

Save” is displayed.

• No picture with the power indicating lamp 

lights in orange.

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.

• The message “Invalid Scan Freq.” is 

displayed.

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.

• The power indicating lamp is normally lit but 

no picture.

• Check the contrast and brightness settings (adjust them for 

higher contrast and brightness).

• Check the way the signal cable is connected.

• The display image appears flowing slantwise.
• Text displayed across the screen appears 

vertically streaked, with the characters in 
vertical columns blurred.

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

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

• Text displayed across the screen appears 

blurred.

• A fine pattern flickers when displayed on the 

screen.

• Adjust the dot clock phase for the clearest viewing.

(RGB input)

• The remote control does not work. 

• 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.

• The display image does not appear in the 

normal position.

• Check to see if the displayed input signal match the monitor 

specification by pressing 

 button.

• Turn off the screen saver.

• The display has lack of picture around the 

screen.
(PC input mode only)

• Turn off the screen saver.

• The temperature of the display panel surface is high.

• The LCD monitor is lighting the fluorescent lamps inside of 

the panel.
In some cases, this may cause the temperature of the panel 
surface to increase. Please note that this is not a malfunction.

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TROUBLESHOOTING

Symptoms That Seemingly Appear to be Failures

18
19

! No Sync. Signal

15

! Invalid Scan Freq.

15

50

51

52

15

36

38

32
47

32

47

9

15
34
50
51
52

34