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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, contact Panasonic Canada Inc. Customer Care Centre at 905-624-5505, or visit the website (www.panasonic.ca), or
an authorized Servicentre closest to you.
n Common problems
No power.
No sound.
Sound stops. "F 76" or
"OVERLOAD" appears on the
display for about a second, and
the unit turns off.
"F 70" appears on the display.
n Sound modes
Sound is not heard from the center,
surround, or subwoofer speakers.
Cannot use Dolby Pro Logic Ⅱ or
SFC.
There is no DTS audio output.
There is Audio output, but the DTS
decoder indicator is not lit.
n Radio
The radio cannot be tuned in or
there is a lot of noise and
interference.
n Setup menus and factory settings
Main menu
FRONT
CENTER
SPEAKERS
SURROUND
SUB-WFR
FRONT
DISTANCE
CENTER
SURROUND
FILTER
100
TV
DVR
D-INPUT
DVD
CD
TV
DVR
IN MODE
DVD
CD
• Ensure the AC power supply cord is connected.
• Turn the volume up.
• Check connections to speakers and other equipment.
• Select the correct source.
• Turn on the speakers.
• Change the D-INPUT setting to suit the type of connection you have made.
• Check that the digital signals can be decoded by this unit.
• Turn PCM FIX or DTS FIX off.
• Determine and correct the cause, then turn 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.
Consult your dealer if the problem occurs again after switching the unit on.
• Turn the unit off, disconnect the AC power supply cord, and consult your dealer.
• Ensure the SPEAKERS settings for your speakers are correct.
• Turn 2CH MIX off.
• The source may be stereo. Change the sound mode.
• You cannot use Dolby Pro Logic Ⅱ or SFC when input is PCM with sampling frequencies
of 192, 176.4 (COAXIAL1), 96 or 88.2 kHz.
• Check the DVD player's digital output settings.
• 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, DVD players, and satellite receivers.
• Separate the antenna from other cables, leads, and appliances.
(Reference pages are shown as black circled number )
Sub menu (factory settings)
SMALL
YES
3.0 FEET
1.5 FEET
OPT 1
OPT 2
COAX 1
COAX 2
AUTO
Main menu
A/D ATT
OFF
DR COMP
OFF
B PROOF
MODE A
DIMMER
OFF
DUAL PRG
MAIN
Pages
5
10
4-7
10
10
8
10
8, 17
5
5
–
–
–
Pages
10
10
11
Pages
7
7
16
–
–
Sub menu (factory settings)
8
–
21
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