Panasonic SCHT17 Operations Instructions download pdf (Page 26)

RQT7953

Reference

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 Pages

No power.

• Ensure the AC mains lead and system cable are connected. 9

No sound.

• Turn the volume up.

• Check connections to speakers and other equipment.

• Select the correct source.

• 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.

7-12

“F76” appears on the

display, and the unit turns

off.

“FAN LOCK” appears on

the display.

• Determine and correct the cause, then turn the unit on.

Causes include:

− Shorting (bare wires touching) of positive and negative speaker wires.

− Using the subwoofer in a hot environment without proper ventilation.

Consult your dealer if the problem occurs again after turning the unit on.

–

“F 70” appears on the

display.

• Turn the unit off, disconnect the AC mains lead, and consult your dealer. –

Sound Pages

Sound is not heard from

the center, surround, or

subwoofer speakers.

• The source may be stereo. Use Dolby Pro LogicII or SFC. 15

Cannot use Dolby Pro

LogicII or SFC.

• You cannot use Dolby Pro LogicII or SFC when input is PCM with

sampling frequencies of 96 or 88.2 kHz.

Radio Pages

The radio cannot be tuned

in or there is a lot of noise

and interference.

• 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.

–

There is a lot of noise

when listening to AM.

• Press and hold [H.BASS] on the main unit so “DEFEAT” appears (the DSP

is defeated). This should reduce noise. The unit cannot play multiple

channel sound while the DSP is defeated, so repeat this to reengage the

DSP.

The correct AM frequency

cannot be tuned in. • Change the frequency step.

Maintenance

To clean this unit, wipe with a soft, dry cloth.

• 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.

If the surfaces are dirty

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Panasonic SCHT17 Operations Instructions Page 26

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