TROUBLESHOOTING (continued)

Symptom and Checklist (continued)

Symptoms

 

Checklist

 

 

Page

 

 

 

 

 

 

 

Check the volume level.

 

 

 

 

 

Check audio settings on HDMI source must be set to PCM.

 

 

Normal picture, but no sound

Check if the

button has been pressed or not.

 

23

 

Check the connections to external equipment.

INFO

 

 

 

Check if input signal is HDMI or DVI by

pressing

button, remember

 

 

 

DVI audio must be input by separate.

 

 

 

 

No picture - normal sound

Check the value level of “Brightness” and “Contrast” in “Picture Menu”.

35 ,

40

 

Check if the batteries are installed correctly.

 

 

 

The remote control does not work.

The batteries might be exhausted. Replace them with new ones.

16 ,

17

Remove all obstructions from in front of the sensor window on the unit.

 

Check if the buttons on the control panel are working.

 

 

Only some buttons work on the remote

This is normal, some buttons are intended to use with optional Hitachi Set-

16

control.

Top Box

 

 

 

 

 

 

 

 

Picture Frezze and/or the buttons on

Unplug and connect after 5 minutes the power cord or turn Main switch Off

15

both the remote control and control

and On after 5 minutes.

 

 

panel do not work.

Hold down the Reset button on the control panel for over a second.

 

 

Normal picture but no color-normal sound

Check the connections to external equipment.

 

18 ~ 21

 

 

 

 

No picture

Check if the power cord is plugged into the socket securely.

21 ,

22

The Indicating lamp → Off

Check if the main switch is on.

 

 

 

 

 

 

 

 

 

 

 

Check if all the cables to external equipment are connected correctly and

 

 

No picture

securely.

 

 

 

 

 

Check if the power to the external equipment is ON.

 

 

 

The Indicating lamp → Orange

 

44

Check if the HDMI mode has been selected correctly.

It means that the unit is in “Power Save

Check if the PC is in Power Save mode or not.

 

 

 

mode”.

 

 

 

Refer to “Power Save Mode” and “When the Following Messages Appears

 

 

 

 

 

 

on the Screen”.

 

 

 

 

 

 

 

 

 

No picture

Check if the signal cable is connected correctly and securely.

18 ~ 21

The indicating lamp → Green

Adjust the level of Brightness and Contrast lower.

 

 

 

 

 

 

 

 

The top of the unit and surface of the

This may occur if you use the unit for a long time. Turn off the main power

 

 

panel heat up.

to the unit for a while. Please note that this is not a malfunction.

 

 

 

 

 

 

 

 

 

 

INFO

 

 

 

Some screen display aspects are not

Check the signal status by pressing the

button on the remote control.

24

possible.

The available screen display aspect is different depending on the current

42 ,

43

signal status.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check if the cables are connected correctly.

 

 

 

Image cannot be displayed from HDMI

Turn off Monitor and HDMI source, then turn Monitor on first then HDMI source.

48 ~ 51

input.

Check the output format of the equipment.

 

 

 

 

 

 

 

(Please refer to “CONNECTION” and “Recommended Signal List”.)

 

 

 

 

 

 

The image and audio are mismatched

Check if the PC (RGB)/DVI analog audio input terminal is connected to the

18 ,

20

when in RGB or HDMI-DVI mode.

same external device.

 

 

 

 

 

 

 

 

 

 

Some digital programming looks blurry

This is normal and its due regular digital compression scheme, please note

 

 

during fast changing scenes..

this is not a malfunction.

 

 

 

 

 

 

 

 

 

 

 

ENGLISH

46

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Hitachi UT42X902, UT47X902, UT37X902 manual Troubleshooting Symptom and Checklist, Symptoms, 48 ~