Panasonic DMP-UB400 Owner's Manual page 38

There is no sound coming out.
[UB400] To output audio using OPTICAL
terminal, set "OPTICAL Down Sampling"
properly. ( 31)
Refer to "Connecting to an amplifier/receiver"
( 11 - 15) to check the audio output settings
suited to the connections of your device.
[UB400] In the following cases, audio is not
output from the terminals listed below:
≥HDMI VIDEO OUT terminal
– When a device is connected to the HDMI
AUDIO OUT terminal and "HDMI(VIDEO)
Output Mode" is set to "Auto ( Video Only /
Video+Audio )" (
– When "Audio Output" in "Advanced
Settings" is set to "Off" (
– While playback is being performed with
"Audio Output" in "Settings for High Clarity
Sound" set to "OPTICAL Only" (
≥HDMI AUDIO OUT terminal
– When "Audio Output" in "Advanced
Settings" is set to "Off" (
– While playback is being performed with
"Audio Output" in "Settings for High Clarity
Sound" set to "OPTICAL Only" (
≥OPTICAL terminal
– When a device is connected to the HDMI
AUDIO OUT terminal and "Audio Output" in
"Advanced Settings" is set to "On" (
– While playback is being performed with
"Audio Output" in "Settings for High Clarity
Sound" set to "HDMI Only" (
29)
30)
31)
30)
31)
30)
31)
Reference
Playback
Disc cannot be played.
The disc is dirty. (
The disc is not finalized. (
Depending on the Ultra HD Blu-ray disc, it
may not be possible to perform playback
unless this unit is connected to the Internet.
Still pictures (JPEG) do not play back
normally.
The images that were edited on the PC, such
as Progressive JPEG, etc., may not be played
back.
I can't play back BD-Live.
Confirm that this unit is connected to the
broadband Internet. (
Confirm the "BD-Live Internet Access"
settings. (
Confirm a USB device is connected to the
USB port. (
Network
I can't connect to the network.
Confirm the network connection and settings.
( 16, 17, 32)
[UB400] There may be interference that
prevents the unit from detecting your home
network. Place the unit and the wireless
router closer to each other. This unit may be
able to detect your network name (
"SSID").
Check the owner's manuals for each device
and connect accordingly.
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7)
16)
33)
9)
18,