Hitachi CP-TW2505 User Manual page 148

Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon
Neither sounds
nor pictures are
outputted.
Sound does not
come out.
(continued on next page)
148
Cases not involving a machine defect
Signal source does not correctly work.
Correctly set up the signal source device by referring to
the manual of the source device.
The input changeover settings are mismatched.
Select the input signal, and correct the settings.
The BLANK function for pictures and the MUTE
function for sounds are working.
AV MUTE may be active.
Refer to the item "Sound does not come out" and "No
pictures are displayed" on the next page to turn off the
MUTE and BLANK functions.
The signal cables are not correctly connected.
Correctly connect the audio cables.
The MUTE function is working.
Restore the sound pressing the VOLUME +/- button on the
remote control.
The volume is adjusted to an extremely low level.
Adjust the volume to a higher level using the menu function
or the remote control.
The AUDIO SOURCE/SPEAKER setting is not correct.
Correctly set the AUDIO SOURCE/SPEAKER in AUDIO menu.
The Sound button (♪) or checkbox is disabled.
If you have selected USB TYPE A, turn the sound on from
the Thumbnail menu.
If you have selected USB TYPE B, put a check mark on the
Sound checkbox in the Options window of "LiveViewer Lite
for USB".
If you have selected LAN, put a check mark on the Sound
checkbox in the Option menu of "LiveViewer".
Reference
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62
61
119,
129,134