Panasonic SC-HT40 User Manual

Page of 24
Panasonic Consumer Electronics
Company, Division of Panasonic
Corporation of North America
One Panasonic Way Secaucus,
New Jersey 07094 
http://www.panasonic.com
Panasonic Puerto Rico, Inc.
Ave. 65 de Infantería, Km. 9.5
San Gabriel Industrial Park, Carolina,
Puerto Rico 00985
Panasonic Canada Inc.
5770 Ambler Drive
Mississauga, Ontario
L4W 2T3
www.panasonic.ca
©2005 Matsushita Electric Industrial Co., Ltd.
Printed in Malaysia
RQTV0105-2P
H1205MT2016
En
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, refer to the “Customer Services Directory” on page 22 if you reside in the U.S.A., or refer to 
“Product information” on page 20 if you reside in Canada. 
No power.
No sound.
“OVERLOAD”, “F70”, 
or “F76” appears on the 
display.
"FAN LOCK" appears on 
the display.
Common problems
Pages
Ensure the AC power supply cord is connected.
Turn the volume up.
Check connections to speakers and other equipment.
Select the correct source.
Change the DIG INPUT setting to suit the type of connection you have 
made.
Check that the digital signals can be decoded by this unit.
Turn PCMFIX or DTS FIX off.
Turn the unit off, disconnect the AC power supply cord, and consult your 
dealer. 
Remove the object obstructing the cooling fan.




7
10
5-7
10
8-9
6
18
-
7
Sound is not heard from 
the center, surround, or 
subwoofer speakers.
A ticking noise interrupts 
the sound.
Cannot use Dolby Pro 
Logic
ΙΙ or SFC.
The source may be stereo. Use Dolby Pro LogicΙΙ or SFC.
The  speaker  wires  are  touching  each  other.  Check  all  your  speaker 
connections.
You cannot use Dolby Pro LogicΙΙ or SFC when input is PCM with sampling 
frequencies of 96 or 88.2 kHz.
10
5
10
Sound
Pages
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.
Radio
Pages
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.




7
7
14, 16
-
-
10
14, 15
Maintenance
If the surfaces are dirty
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.

SC-HT40PP.indb   24
1/20/2006   5:27:34 PM