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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.
n Common problems
Pages
No power.
• Ensure the AC mains lead is connected.
5
• Turn the volume up.
16
• Check connections to speakers and other equipment.
4-10
• Turn on the speakers.
16
• Turn off the tape monitor.
19
• Select the correct source.
16
No sound.
• Change the Digital Input/D-INPUT or HDMI/HDMI SEL setting to suit the type of connection you have made.
12, 14
Sound is distorted.
• Check that the digital signals can be decoded by this unit.
16
• Turn PCM FIX or DTS FIX off.
12, 14, 23
• Down-mixing of some DVD-Audio discs may not be possible due to copyright protection.
In this case, play may not be normal if:
− SPEAKERS B has been selected.
18
− Not all the 5.1-channel setting speakers have been selected.
–
• Should you be playing a chapter on a DVD
−
When using a HDMI connection, the
Change the audio output setting on the DVD player or DVD recorder from “Bitstream”
–
first few seconds of sound is cut off.
to “PCM”. (6.1-channel sources will however be played as 5.1-channel and the 6.1 CH
DECODING mode cannot be used.)
If playing a 2-channel source, set the Input Mode/IN MODE to PCM FIX.
12, 14
• Determine and correct the cause, then turn the unit on.
Causes include:
Sound stops. “F 76” or “OVERLOAD”
− Shorting (bare wires touching) of positive and negative speaker wires.
5, 6
appears on the display for about a
− Using speakers with an impedance lower than that rated for this unit.
5, 6
second, and the unit turns off.
− 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.
“F 70” appears on the display.
• Turn the unit off, disconnect the AC mains lead, and consult your dealer.
–
“U 70-1-1” appears on the display.
• The equipment connected by the HDMI cable is not compatible with the unit’s copyright
–
protection technology.
“U 70-1-2” appears on the display.
• 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 a HDMI connection
−
“U 70-3” appears on the display.
Turn the connected equipment 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.
–
n Sound modes
Pages
Sound is not heard from the center,
• Ensure the speaker settings for your speakers are correct.
12, 14
surround, or subwoofer speakers.
• Turn 2CH MIX off.
17
• The source may be stereo. Change the sound mode.
16
Sound is not heard from the surround
• Ensure the speaker settings for your speakers are correct.
12, 14
back speaker.
• Turn 6.1CH DECODING mode on.
16
Cannot use Dolby Pro Logic Ⅱx,
• Turn DVD ANALOG 6CH off.
19
Dolby Pro Logic Ⅱ , DTS NEO:6 or
• You cannot use Dolby Pro Logic Ⅱx, Dolby Pro Logic Ⅱ , DTS NEO:6 or SFC when input is PCM
17
SFC.
with sampling frequencies of 192, 176.4 (COAXIAL1, HDMI), 96 or 88.2 kHz.
There is no DTS audio output.
There is audio output, but the DTS
• Check the DVD player’s digital output settings.
–
decoder indicator is not lit.
n Radio
Pages
• Connect the appropriate antenna. (You may need an outdoor antenna or one with more elements.)
7
The radio cannot be tuned in or there
• Adjust the position of the FM or AM antenna.
7
is a lot of noise and interference.
• Reduce the treble.
25
• Turn off nearby televisions, video decks, DVD players, and satellite receivers.
–
• Separate the antenna from other cables, cords, and appliances.
–
The correct AM frequency cannot be
tuned in.
• Change the frequency step to suit your area when AM is selected.
20
n Multi control menus and factory settings (Reference pages are shown as black circled numbers )
Main menu
Sub menu (factory settings)
Main menu
Sub menu (factory settings)
Main menu
Sub menu (factory settings)
TUNING
MANUAL
DR COMP OFF
FRONT
TUNER
FM MODE AUTO
A/D ATT
OFF
CENTER
SMALL
OPTION
(TUNER
MEMORY CH 1
B PROOF MODE A
SPEAKERS SURROUND
mode
AUTO MEM START
RESET
YES
SUR BACK YES
only)
DISPLAY
FREQ
SUBW YES
SUB-WFR
SPEAKERS
LCR S SB
AM ALLOC 9 kHz
SUBW NO
FRONT
SETUP 2
3.0 m
BASS
TV
OPT 1
CENTER
TONE
0dB
DISTANCE
TREBLE
DVR
OPT 2
SURROUND
D-INPUT
1.5 m
BALANCE L
R
DVD
COAX
1
SUR BACK
SETUP 1
CD
COAX 2
DIMMER
OFF
FILTER
100
ON
LEVEL 2
HDMI SEL DVD
DISPLAY
OFF
HQ MODE
SLEEP
OFF
TV
VIDEO
OFF
DISABLE
DVR
EXIT
áExit the Multi control
IN MODE
AUTO
OPTION
SECOND-A ENABLE SOURCE
DVD
DUAL PRG MAIN
CD
Matsushita Electric Industrial Co., Ltd.
En
Web Site: http://www.panasonic.co.jp/global/
RQT7525-B
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