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Symptom And Checklist - Hitachi ALPHA SERIES L32A404 Owner's Manual

Alpha series liquid crystal hdtv
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Table of Contents
Troubleshooting

Symptom and Checklist

SYMPTOM
No picture - no sound
Multiple images-normal sound
Intermittent interference
Normal picture, but no sound
No picture - normal sound
The remote control does not work.
The buttons on both the remote control and
control panel do not work.
Normal picture but no color-normal sound
No picture
The Indicating lamp → Off
No picture
The indicating lamp → Blue
Some screen display aspects cannot be
switched in.
No power
Turns Off by itself
Turns On by itself
Picture may "block" or freeze when watching
a digital channel.
HDMI Issues
SYMPTOM
No picture - no sound
Error notice comes to screen
Normal picture, but no sound
No sound from TV Optical Out when using
HDMI devices
Picture flickers during channel change w/
using HDMI set top boxes
Picture is blurry or fuzzy
Pixelization noise or loss connection ("No
Signal" message display)
If the problem cannot be solved with the suggested procedures, contact 800.HITACHI. For your safety, never try to repair
the product yourself.
36
CHECKLIST
• Check the Indicating lamp status (Off, Red, Blue).
• Check the connection of the power cord and/or other cables.
• Check if the power of the unit or external device is ON.
• Check if the correct Video input is selected.
• Check if the unit is in "Standby mode" .
• Adjust the values in "Video menu" and "Audio menu".
• Check the connections to external device.
• Check if the source of interference is shielded correctly.
• Move these kinds of electrical devices away from the unit.
• Check the volume level.
• Check if the MUTE button has been pressed or not.
• Check the connections to external device.
• Try next/other Audio Language.
• Check the value level of "Brightness" and "Contrast" in "Video Menu".
• Check if the batteries are installed correctly.
• The batteries might be exhausted. Replace them with new ones.
• Remove all obstructions from in front of the sensor window on the unit.
• Check if the buttons on the control panel are working.
• Unplug and connect the power cord again.
• Check the connections to external device.
• Check if the power cord is plugged into the socket securely.
• Check if the signal cable is connected correctly and securely.
• Adjust the level of Brightness and Contrast lower.
• Check the signal status by pressing the INFO button on the remote control. The available
screen display aspect is different depending on the current signal status.
• Check the power cord is connected to the AC oulet.
• Check or ensure Sleep Timer settings are not activated.
• Check if the HDMI-CEC feature is activated.
• Check signal strength under "Signal Strength".
CHECKLIST
• Make sure you have selected the correct HDMI input. Toggle through them while HDMI
device is ON or during playback.
• Unplug and re-plug HDMI connection while TV and HDMI device device are powered on.
• Turn TV and HDMI device off. Turn TV on first and then HDMI device second.
• Try pressing "exit" on HDMI device remote control and then on TV remote to find source of
the error OSD. If error persist or comes back even after pressing exit, try alternate HDMI
input on TV.
• Unplug and re-plug HDMI connection while TV and HDMI device are powered on.
• Turn TV and HDMI device off. Turn TV on first and then HDMI device second.
• Check HDMI Audio settings under the HDMI device menu (of the HDMI source device). In
order to get sound on TV, HDMI output must be set to PCM option.
• Change Digital Output selection.
• As an option, use audio optical output from HDMI source device directly to separate Audio
Amplifier.
• This is normal operation from the source switching delay itself. It's not an indicator of a TV
malfunction.
• If HDMI source is HD capable, ensure it's output is set to 1080p, 1080i or 720p under HDMI
device menu (of the HDMI source device).
• Check HDMI input picture format, if use 1080p format confirm cable length it is recommended
that the length of the cable should be less than 5 meters, or change HDMI input picture
format to 1080i.
PAGES
9, 12,
14~17
24~26
14~17
37
14~18
26
24
6, 9
7, 35
14~17
7, 9
12, 14~17,
24
11, 21
48
9, 12
11, 18, 27
31
33
PAGES
14, 15, 17,
19
9, 11
14, 17
17
26

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