T
roubleshooting Guide
54
Signature 2.0
Troubleshooting Guide
The Signature 2.0 is designed for trouble-free operation.
In normal use, most users will not encounter any trouble
with the unit. However, as with any sophisticated
electronic device, there may be occasional problems on
initial installation or during the life of the unit. The items
described on this page and in the table below are a brief
guide to the minor problems that you may be able to
correct yourself, and to certain anomalies that result from
outside conditions.
If these solutions do not rectify a problem, or if the
problem persists, contact your dealer or installer.
Problems may also be solved by an authorized Harman
Kardon Service Center. To locate the Service Center
nearest you, call (800) 422-8027 toll free in the United
States. Harman Kardon may be contacted via the Internet
at www.harmankardon.com
Error Messages
When the surround mode name blinks in the front panel
Information Display
(Figure FPD-12) that is your
indication that there is a mismatch between the input
source and the surround mode, or that there is no digital
input at all.
Mode Mismatch
Certain modes are digital only, while others operate with
analog signals only. The blinking light is an indication of
a source/mode mismatch.
When this condition exists, the 2.0 will automatically
select a properly matched surround mode and continue
normal operation. To view the name of the mode
selected, press the
Display
button
x
. The correct
mode will be displayed next to the
Alt Mode
indication (Figure OSD-27). To stop the flashing
message, press the appropriate
Surround Mode
Selector
y 4
until the correct mode is selected.
No Data
If the mode name flashes when the mode and input are
matched, this is an indication that the 2.0 is not receiving
digital data from the source machine. This will typically
occur when a DVD player is in pause or a fast scan
mode, as no digital data is typically output unless the
disc is playing. To confirm that the lack of data is the
cause of the error message, press the
Display
button
x
and check the on-screen status screen. If a
NO
AC-3 Info
message appears (Figures OSD-14/
OSD-18/OSD-27), this is your indication that the player
is not sending a digital signal. Put the unit into Play,
check the digital input connections or check to see that
a digital input is selected to solve this problem.
Digital Noise With DVD Players
Certain early models of DVD players may occasionally
cause a sharp “crack” or “snap” in the output channels
during track or chapter changes. This is caused by a
momentary discontinuity in the digital data output
which is not long enough to trigger the flashing error
message, but long enough to disrupt the processor. This
type of random noise is caused by the DVD player, and
it does not indicate a problem with the 2.0.
System Reset
In rare cases where the 2.0’s operation or the displays
seem abnormal, the cause may be erratic operation of the
system’s memory or microprocessor.
The first step to correct this problem is to turn the 2.0
off using the
Master Power Switch
1
and unplug
the unit from the AC wall outlet and wait at least
three minutes. After the pause, reconnect the AC power
cord and turn the unit on again. If the system still
malfunctions, a system reset may clear the problem.
Note that clearing the system memory may correct the
problem, but will also erase all system configuration
data, input source assignments, input profile names,
effects level settings and tuner preset memories. It is
always a good idea to record your system configuration
information in the Worksheets in Appendix B, if possible,
before resetting the system. To reset the system, press
the
Menu
button
j
to view the
Setup Menu
. Press
the
¤
Menu Control
button
i
until
Advanced
Setup >
is highlighted. Press the
›
Menu
Control
button
i
to go to the next screen.
21
Signature 2.0 Processor/Tuner
harman/kardon
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