Troubleshooting; When Following Messages Appear On The Screen; Symptom And Check List - Hitachi L37X01AU User Manual

TROUBLESHOOTING

Before calling service technician, check the following tables first. If the problem is not be solved with the suggested
procedures, contact your local dealer. For your safety, NEVER try to repair the product by yourself.

When Following Messages Appear on the Screen

Message
Power Save
No Sync. Signal
Auto Adjust
Invalid Mode
Not Available
Weak signal
Bad or No signal
Database is Empty

Symptom and Check List

Symptoms
No picture – no sound
Snowy picture-poor sound
Multiple images-normal
sound
Intermittent interference
Normal picture, but no
sound
This indicates it is in Power Save mode. (in RGB mode)
The indicating lamp lights in orange.
The unit cannot detect any signals from any input terminals.
Check if the cable is connected correctly and firmly.
Check if the power of the external equipment is ON.
Check if the input selection matches the connection terminal.
Check if the PC is in Power Save mode or not.
This indicates that it is in the process of auto adjusting.
(in PC input mode)
The unit receives unsupported signals.
Check if the cable is connected correctly and firmly.
Check if the input signal is compatible with the specification of the television.
This shows when the selected operation is not available.
Check aerial lead if it is disconnected/damaged/misaligned. (in DTT mode)
Check with your dealer if it is out of signal area or not. (in DTT mode)
Check the Indicating lamp status (Off, Red, Green, or Orange).
Check the connection of the Power Cord and/or other cables.
Check if the Main Power of the unit or external equipment is
ON.
Check if the TV mode is selected.
Check if the TV is in "Standby mode" or "Power Save mode".
Adjust the values in "Picture menu" and "Audio menu".
Check the aerial connection and direction.
The TV station may have broadcast difficulties.
Try another channel.
Check the aerial connection and direction.
Fine tuning the TV.
Check the connection of the external equipment.
The TV station may have broadcast difficulties. Try another
channel.
Check if the source of interference is shielded well.
Remove those kinds of electrical devices away from the TV.
Check the volume level.
Check if the
Make sure that the headphone is NOT connected.
Check the connection of the external equipment.
Condition / Action
Check list
button has been press or not.
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