Hitachi CMP402HDU Owners Guide - Page 29

Troubleshooting

Page 29 highlights

TROUBLESHOOTING Symptoms That Seemingly Appear to be Failures Make the checks suggested below depending on the symptoms observed. If the symptoms remain uncorrected, contact your dealer. WARNING Customer servicing can be hazardous. ENGLISH Symptom The screen appears blank with the power-indicating lamp off. The message "POWER SAVE" is displayed. The screen appears blank with the power indicating lamp flickering in green. The message "OUT OF FREQUENCY" is displayed. The message "DOT COMPRESSION" is displayed. The power indicating lamp is normally lit but the screen appears blank. 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. POWER SAVE OUT OF FRQUENCY DOT COMPRESSION Point to check Check the way the power cable is connected. Press the power switch. See page 6 7 9 No sync signal is detected. Check the way the signal cable is connected. 6 Make sure that the switch of the computer, 7 imaging equipment , etc., is turned on. Make sure the computer is not in the power-save 9 mode. 18 Check to see if the input selection matches the connection terminal. 20 An input signal is not received normally. Check to see if the input signal matches the 6 monitor specifications. Check the way the signal cable is connected. 7 This indicates that the simple display is being 14 used when a signal that exceeds 1024 x 512 (field) is being input. 20 Check the contrast and brightness settings 6 (adjust them for higher contrast and brightness). Check the way the signal cable is connected. 7 11 13 Adjust the dot clock frequency and phase. (Adjust the dot clock frequency first, the dot clock phase next.) 14 23 Adjust the dot clock phase for the clearest viewing. 14 24 The remote controller does not work. Check to see if the batteries are loaded in the remote controller in opposite direction. Check to see if the batteries in the remote controller are OK. 8 21

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21
ENGLISH
TROUBLESHOOTING
Symptoms That Seemingly Appear to be Failures
Make the checks suggested below depending on the symptoms observed.
If the symptoms remain
uncorrected, contact your dealer.
WARNING
Customer servicing can be hazardous.
Symptom
Point to check
See page
The screen appears blank
with the power-indicating
lamp off.
Check the way the power cable is connected.
Press the power switch.
The message
POWER
SAVE
is displayed.
The screen appears blank
with the power indicating
lamp flickering in green.
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
OUT OF
FREQUENCY
is displayed.
The message
DOT
COMPRESSION
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.
This indicates that the simple display is being
used when a signal that exceeds 1024 x 512
(field) is being input.
The power indicating lamp is
normally lit but the screen
appears blank.
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.)
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.
POWER SAVE
OUT OF FRQUENCY
23
24
7
9
6
7
9
18
6
7
14
20
6
7
11
13
6
The remote controller does not work.
Check to see if the batteries are loaded in the
remote controller in opposite direction.
Check to see if the batteries in the remote
controller are OK.
8
DOT COMPRESSION
20
14
14