Harman Kardon AVR 55, Service Manual

Page: 5 / 84

Front Panel Controls
AVR55 120 volt
1
Main Power Switch: Press this
button to apply power to the AVR55.
When the switch is pressed the unit
is placed in a Standby mode, as
indicated by the amber LED
3
sur-
rounding the System Power control
2
. This button MUST be pressed in
to operate the unit regardless of the
status of the Power Switch at the
bottom of the front panel. To turn the
unit off and prevent the use of the
remote control, this switch should be
pressed until it pops out to extend
from the front panel so that the word
“OFF” may be read at the top of the
switch.
NOTE: In normal operation this
switch may be left in the “on”
position.
2
System Power Control: When
the Main Power Switch
1
is
pressed in, press this button to turn
on the AVR55, press it again to turn
the unit off. Note that the
Power
Indicator surrounding the switch
3
will turn green when the unit is on.
3
Power Indicator: This LED will
illuminate in amber when the unit is
in the Standby mode, to signal that
the unit is ready to be turned on.
When the unit is in operation the
indicator will turn green.
4
Memo Button: This button is
used to enter settings for speaker
modes, tuner presets and delay
time after making the appropriate
selection.
5
Headphone Jack: This jack may
be used to listen to the AVR55’s out-
put through a pair of headphones.
Be certain that the headphones
have a standard
1 ⁄
4
″
stereo phone
plug.
6
FM Mode: Press this button to
select the stereo or mono mode for
FM tuning. In the STEREO mode a
STEREO indicator will illuminate in
the information display, and stereo
reception will be provided when sta-
tions are transmitting stereo signals.
In the MONO mode the left and right
signals from stereo broadcasts will
be mixed together and reproduced
through all channels. Select MONO
for better reception of weak signals.
7
Speaker Switch: This switch
controls the front left/right speakers.
For normal operation it is pressed in
and sound is heard through the front
speakers. To silence the front
left/right speakers, push the button
once until it is in the “out” position.
When the front speakers are turned
off sound will continue to be heard
through the center and rear speakers
and the headphone jack.
8
AM/FM: Press this button to
select the tuner as the AVR55’s input
source. When it is first pressed the
last station tuned will appear. Press
it again to change between AM and
FM bands.
9
Tuning Button: Press the left
side of the button to tune lower
frequency stations and the right side
of the button to tune higher frequency
stations. When a station with a strong
frequency is tuned, the
TUNED
indicator will illuminate in the
Information Display
35
. A brief
(1/2 second) press of the button will
manually tune to the next frequency
increment, while pressing and hold-
ing the button for a longer period will
automatically tune to the next station
with a signal strong enough for
acceptable reception.
)
CD: Press this button to select
the device connected to the CD
Input jacks
d
as the listening
source.
!
Tape1/ Monitor: Press this button
to select the device connected to
the
Tape 1 Play jacks
⁄
as the lis-
tening source. The T-Mon indicator
K
will illuminate to indicate that the
Tape Monitor has been selected,
while the input being monitored will
remain in the
Main Information
Display
F
.
@
Tape 2: Press this button to
select the device connected to the
Tape 2 Play jacks
ª
as the listening
source.
#
Phono: Press this button to
select the Phono Input
e
as the
listening source.
$
TV: Press this button to select the
device connected to the TV/Aux
jacks
¤
as the listening and viewing
source.
%
DVD Input: Press this button to
select the device connected to the
DVD Play jacks
‹
as the listening
and viewing source.
^
Vid 1: Press this button to
select the device connected to the
Video 1 In jacks
°
as the listening
and viewing source.
&
Vid 1 Rec: Press this button
to select the device that will be
recorded by the device connected
to the
Video 1 Out jacks
›
. The
selected source is shown in the
Vid 1 Source indicators
A
in the
Information Display
35
. Note that
this recording will take place even if
another source is being listened to.
*
Vid 2: Press this button to select
the device connected to the Video 2
Play jacks
·
as the listening and
viewing source.