Troubleshooting Guide - Panasonic SC-HT850 Operating Instructions Manual

Troubleshooting guide

Before requesting service, make the below checks. If you are in doubt about some of the check points, or if the remedies indicated in the chart do
not solve the problem, consult your dealer for instructions.
Power
No power.
The unit is automatically
switched to the standby mode.
Operation
No response when buttons
pressed.
No operations can be performed
with the remote control.
Cannot switch on the television
with the remote control.
Play doesn't start (or stops
immediately) when you press
[1] (play).
Cannot select alternative
languages.
No menu play.
No subtitles.
The position of the subtitles is
incorrect.
Soundtrack and/or subtitle
language is not the one selected
with the SETUP menus.
Cannot change angle.
The SETUP menu cannot be
accessed.
Cannot add markers.
There are already markers. [RAM] ≥The unit reads and displays the markers added with a DVD video recorder. You can clear them
Marker numbers I added are
different when I call them up.
[RAM]
Cannot select random or
program play.
Folders deeper than the eighth
layer on a data CD are not
displayed correctly.
You have forgotten your ratings
password.
Reset all the SETUP settings to
Factory Preset.
Sound
No sound.
Distorted sound.
Humming heard during play.
RQT7026
36
≥Insert the AC mains lead and system cable securely.
≥The unit was switched to standby by the sleep timer.
≥Some operations may be prohibited by the disc.
≥The unit may not be operating properly due to lightning, static electricity or some other external
factor.
Reset procedure:
Press [Í] to switch the unit to the standby mode and then back to ON.
Alternatively, press [Í] to switch the unit to the standby mode, disconnect the AC mains lead,
and then reconnect it.
≥Check that the batteries are installed correctly.
≥The batteries are depleted: Replace them with new ones.
≥Point the remote control at the remote control sensor and operate.
≥Press [TV] first to operate the television.
≥Condensation has formed: Wait 1 to 2 hours for it to evaporate.
≥This unit cannot play discs other than the ones listed in these operating instructions.
≥This unit cannot play DVD-Video with a region number other than "2", "ALL" or multiple region
numbers including "2".
≥The disc may be dirty and may require cleaning.
≥Ensure that the disc is installed with the label of the side to be played facing upwards.
≥Check that the DVD-RAM has something recorded on it.
≥This function is dependent on software availability.
≥Try selecting from the disc's menu if one is available.
≥This function is dependent on software availability.
≥This function is dependent on software availability.
≥Subtitles are cleared from the television. Display the subtitles.
≥Change the position of the subtitles with "Subtitle Position" in the GUI screen.
≥This function is dependent on software availability.
≥This function is dependent on software availability. Even if a disc has a number of angles
recorded, these angles may be recorded for specific scenes only.
≥Select "DVD/CD" as the source.
≥Cancel all group, program and random play.
≥You cannot add markers while playing a play list or if the disc's play time doesn't appear on the
unit's display.
but reappear when you switch the unit to standby, change the source, or open the disc tray.
≥The unit numbers markers by time so they change when you add and delete them.
≥You cannot select random or program play with some DVD-Video.
≥Folders deeper than the eighth layer are displayed as the eighth layer.
≥While stopped and "DVD/CD" is the source, press and hold [∫] on the unit and [S10] on the
remote control for about 3 seconds until "Initialized" disappears from the television. Turn the unit
off and on again.
All settings will return to the default values.
≥Check the connections.
≥Turn the volume up.
≥Turn muting off.
≥Switch off the unit, determine and correct the cause, then switch the unit on.
Causes include:
–Shorting (bare wires touching) of positive and negative speaker wires.
–Using speakers with an impedance lower than that rated for this unit.
–Straining of the speakers through excessive volume or power.
–Using the unit in a hot environment without proper ventilation.
≥An AC mains lead or fluorescent light is near the subwoofer. Keep other appliances and cords
away from the subwoofer.
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