Troubleshooting Guide; Maintenance - Panasonic SA-HR50 Operating Instructions Manual

Troubleshooting guide

Before requesting service, make the below checks.
If you can't fix the unit as described or if something not listed here occurs, contact your dealer.
■ Common problems
No power.
No sound.
Display is dim.
"OVERLOAD", "F70", or "F76"
appears on the display.
"FAN LOCK" appears on the
display.
■ Sound
Sound is not heard from the
center, surround, or subwoofer
speakers.
A ticking noise interrupts the
sound.
Cannot use Dolby Pro Logic II
or SFC.
■ Radio
The radio cannot be tuned in
or there is a lot of noise and
interference.
There is a lot of noise when
listening to AM.
The correct AM frequency
cannot be tuned in.
■ HDMI
When using an HDMI
connection, the first few
seconds of sound is cut off.
"U 70-1-1" appears on the
display.
"U 70-1-2" appears on the
display.
"U 70-3" appears on the
display.
The unit does not work
properly.
VIERA Link "HDAVI Control
does not function properly.
■ Remote control
The remote control does not
work.
Other products respond to the
remote control.

Maintenance

If the surfaces are dirty
To clean this unit, wipe with a soft, dry cloth.
22
• Never use alcohol, paint thinner or benzine to clean this unit.
• Before using chemically treated cloth, carefully read the instructions that came with the cloth.
22 22
SA-HR50 (RQTV0259-E).indb 22
• Ensure the AC mains lead is connected.
• Turn the volume up.
• Check connections to speakers and other equipment.
• Select the correct source.
• Check that the digital signals can be decoded by this unit.
• Turn PCMFIX or DTSFIX off.
• An electrostatic discharge (ESD) may interrupt sound. Turn the unit off and on again.
• Check the DIMMER level.
• An electrostatic discharge (ESD) may cause the display to dim. Turn the unit off and on again.
• Turn the unit off, disconnect the AC mains lead, and consult your dealer.
• Remove the object obstructing the cooling fan.
The source may be stereo. Use Dolby Pro Logic II or SFC.
•
• The speaker wires are touching each other. Check all your speaker connections.
You cannot use Dolby Pro Logic II or SFC when input is PCM with sampling frequencies of 96 kHz
•
or 88.2 kHz.
• Connect the appropriate antenna. (You may need an outdoor antenna or one with more elements.)
• Adjust the position of the FM or AM antenna.
• Reduce the treble.
• Turn off nearby televisions, video decks and DVD players.
• Separate the antenna from other cables, leads, and appliances.
• Try changing the sound mode or turning the modes off.
• Try changing the BEAT PROOF mode.
• Change the frequency step.
• Should you be playing a chapter on a DVD:
– Change the audio output setting on the DVD player or DVD recorder from "Bitstream" to "PCM".
(6.1-channel sources will however be played as 5.1-channel.)
– Select "PCMFIX" as instructed in "INPUT MODE" when you play 2-channel sources.
• The equipment connected by the HDMI cable is not compatible with the unit's copyright protection
technology.
• The unit has received a signal for a picture format that is incompatible with the HDMI connection.
Check the settings of the connected equipment.
• Should anything unusual happen using an HDMI connection:
Consult your dealer if the sign remains on the display after these steps.
– Turn the connected equipment off and on again.
– Pull out the HDMI cable then reinsert it.
– Reduce the amount of equipment connected in series to the HDMI terminal if exceeding 2 units.
• The unit does not work properly when wrong cords are in HDMI input and output terminals. Turn
the unit off, unplug the AC mains lead, and make connections again.
TM "
• Connect the unit to your TV (VIERA) using the HDMI cable, switch the TV on, unplug the unit's AC
mains lead, and insert it into a household mains socket again.
• Replace the batteries if they are worn.
• Change this unit's remote control code to "REMOTE 2".
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8/24/2007 10:11:08 AM