Hitachi 32LD9700C Flat Panel Television User Manual


 
70
TROUBLESHOOTING
Before calling service technician, check the following tables rst. 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 Condition / Action Page
Power Save
This indicates it is in Power Save mode. (in AV/RGB mode)
The indicating lamp lights in orange.
30
,
68
No Sync. Signal
The unit cannot detect any signals from any input terminals.
Check if the cable is connected correctly and rmly.
Check if the power of any external equipment is ON.
Check if the input selection matches the connection terminal.
Check if the PC is in Power Save mode or not.
15
~
18
Invalid Scan Freq.
The unit receives unsupported signals.
Check if the cable is connected correctly and rmly.
Check if the input signal is compatible with the speci cation of the television.
73
,
75
Not Available This shows when the selected operation is not available.
Check Antenna Check the connection status when this message appears.
14
Auto Adjusting This indicates that it is in the process of auto adjusting. (in RGB mode)
28
No Signal
Check aerial lead if it is disconnected / damaged / misaligned.
Check with your dealer if it is out of signal area or not. (in DTT mode)
Scrambled channel
Check if the common interface module inserted correctly. (in DTT mode)
Symptom and Check List
Symptoms Check list Page
No picture - no sound
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 equipments 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”.
14
~
18
20
,
25
,
68
Snowy picture-poor sound
Check the antenna connection and direction.
The TV station may have broadcast dif culties.
Try another channel.
14
Multiple images-normal sound
Check the antenna connection and direction.
Fine tuning the TV.
Check the connection of the external equipments.
The TV station may have broadcast dif culties.Try another channel.
14
,
25
Intermittent interference
Check if the source of interference is shielded well.
Remove those kinds of electrical devices away from the TV.
Normal picture, but no sound
Check the volume level.
Check if the
button has been pressed or not.
Make sure that the headphone is NOT connected.
Check the connection of the external equipments.
22
No picture - normal sound
Check the value level of “Brightness”, “Contrast” and “Back
Light” in “Picture Menu”.
32
,
35
The remote control does not work.
Check if the batteries are installed correctly.
The batteries might be exhausted. Replace them with new ones.
Remove all the obstructions in front of the sensor window on the unit.
Check if you select the correct function by
button on the
remote control
.
Check if the buttons of the control panel can work.
11
,
12
Normal picture but no colour-normal
sound
Check the connection of the external equipments.
Check the “Colour System” in “Setup Menu”.
15
~
18