Harman Kardon Home Theater System PT2500 User Manual

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Harman Kardon  
PT2500  
A/VSurround Tuner Controller  
Volume  
Tuning  
1
6
2
7
3
8
4
9
5
AM  
FM  
DIRECT  
CENTER  
MEMORY  
MHz  
Tuned  
FMST  
PRESET  
Scan  
DOLBY 3-CH  
THEATER  
STADIUM  
Loudness  
FM  
MS  
MIN  
MODE  
NORM  
WIDE  
DELAY  
TIME  
SLEEP  
AM  
KHz  
FM Mode  
Auto/Man  
0
PHANTOM  
TAPE2MON  
AUTO VCR1REC  
SOURCE VDP VCR2  
0-30  
Memory  
Off Pro-Logic Stadium Test  
Tape 1 VCR 1 VCR 2 Tuner  
CD  
Bass  
Treble  
Balance  
VCR 2  
VCR 2  
Sel  
Direct  
Power  
Delay  
3 Ch  
Theater Center  
Tape2Mon Rec  
VDP  
TV/Aux Phono  
Owner’s Manual  
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Introduction and Safety Information  
1
Congratulations! With the purchase  
of a Harman Kardon PT2500 you are  
about to begin many years of listening  
enjoyment. The PT2500 has been custom  
designed to provide all the excitement  
and detail of movie soundtracks and  
Five audio inputs, three audio/video  
inputs and the PT2500’s 30 preset tuner  
enable it to serve as the control center for  
a complete audio/video system. A system  
remote control operates the PT2500 and  
compatible Harman Kardon source  
create a safety and fire hazard, and may  
damage the amplifier.  
If you have any questions about the volt-  
age requirements for your specific model,  
or about the line voltage in your area,  
contact your dealer before plugging the  
unit into a wall outlet.  
every subtle nuance of musical selections. equipment, while an on board trigger  
jack provides control capability to auto-  
While complex processing systems are  
hard at work within the PT2500, hook-  
up and operation are simple. Color keyed  
connections, a comprehensive remote  
control and on screen menus make the  
PT2500 easy to use. To obtain the maxi-  
mum enjoyment from your new receiver  
we urge you to take a few minutes to read  
through this manual. This will ensure  
that connections to speakers, source  
playback units and other external devices  
are made properly. A few minutes spent  
learning the functions of the various  
controls will enable you to take advan-  
tage of all the power the PT2500 is able  
to deliver.  
matically turn on the companion  
PA5800 amplifier.  
Do Not Use Extension Cords  
To avoid safety hazards, use only the  
power cord supplied with your unit. If a  
replacement cord is used, make certain  
that it is of similar gauge. We do not rec-  
ommend that extension cords be used  
with this product. As with all electrical  
devices, do not run power cords under  
rugs or carpets or place heavy objects on  
them. Damaged power cords should be  
replaced immediately with cords meeting  
factory specifications.  
Features  
Analog Devices decoding circuit for  
precise surround decoding  
Dolby* ProLogic*, Dolby 3 Stereo,  
Theater and Stadium surround modes  
Direct Mode for pure stereo playback  
System remote control  
Remote Trigger Control for PA5800  
Important Safety Information  
Handle the AC Power Cord Gently  
When disconnecting the power cord from  
an AC outlet, always pull the plug, never  
pull the cord. If you do not intend to use  
the amplifier for any considerable length  
of time, disconnect the plug from the AC  
outlet.  
Verify Line Voltage Before Use  
Your PT2500 has been designed for use  
in North America with 120 volt AC cur-  
rent. Connection to a line voltage other  
than that for which it is intended can  
If you have any questions about this  
product, its installation or operation,  
please contact your dealer. They are your  
best local source of local information.  
You may also contact Harman Kardon  
directly via the Internet at  
CAUTION  
RISK OF ELECTRICAL SHOCK  
DO NOT OPEN  
Description and Features  
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE  
COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER  
SERVICING TO QUALIFIED SERVICE PERSONNEL.  
The PT2500 is a full featured A/V sur-  
round tuner controller, incorporating  
a wide variety of listening options.  
Through the use of an Analog Devices  
decoder, surround encoded programs are  
played back with stunning accuracy,  
while the direct mode enables stereo  
recordings to be played back in their  
purest form. The open architecture of a  
surround tuner controller allows for easy  
expansion to full discrete surround  
decoding with external adapters.  
The lightning flash with arrowhead  
symbol, within an equilateral triangle, is  
intended to alert the user to the  
The exclamation point within an  
equilateral triangle is intended to  
alert the user to the presence of  
presence of uninsulated “dangerous voltage”  
within the product’s enclosure that may be of  
sufficient magnitude to constitute a risk of  
electric shock to persons.  
important operating and maintenance  
(servicing) instructions in the literature  
accompanying the appliance.  
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,  
DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.  
CAUTION: TO PREVENT ELECTRIC SHOCK, DO NOT REMOVE THE  
GROUNDING PLUG ON THE POWER CORD, OR USE ANY PLUG OR  
EXTENSION CORD THAT DOES NOT HAVE A GROUNDING PLUG PROVIDED.  
MAKE CERTAIN THAT THE AC OUTLET IS PROPERLY GROUNDED.  
DO NOT USE AN ADAPTER PLUG WITH THIS PRODUCT.  
*Trademarks of Dolby Laboratories  
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Introduction and Safety Information  
2
Do Not Open The Cabinet  
Make certain that proper space is pro-  
vided both above and below the unit  
for ventilation. If this product will be  
installed in a cabinet or other  
enclosed area, make certain that there  
is sufficient air movement within the  
cabinet. Under some circumstances a  
fan may be required.  
against harmful interference in a resi-  
dential installation. This equipment gen-  
erates, uses and can radiate radio  
There are no user serviceable compo-  
nents inside this product. Opening the  
cabinet may present a shock hazard, and  
any modification to the product will void  
your guarantee. If water or any metal  
object such as a paper clip, wire or a sta-  
ple accidentally falls inside the unit, dis-  
connect it from the AC power source  
immediately, and consult an authorized  
service center.  
frequency energy and, if not installed  
and used in accordance with the instruc-  
tions, may cause harmful interference to  
radio communication. However, there is  
no guarantee that harmful interference  
will not occur in a particular installa-  
tion. If this equipment does cause harm-  
ful interference to radio or television  
reception, which can be determined by  
tuning the equipment off and on, the  
user is encouraged to try to correct the  
interference by one or more of the follow-  
ing measures:  
Do not place the unit directly on a  
carpeted surface.  
Avoid installation in extremely hot or  
cold locations, or an area that is  
exposed to direct sunlight or heating  
equipment.  
CATV or Antenna Grounding  
If an outside antenna or cable system is  
connected to this product, be certain that  
it is grounded so as to provide some pro-  
tection against voltage surges and static  
charges. Section 810-B of the National  
Electrical Code, ANSI/NFPA No. 70-1996,  
provides information with respect to prop-  
er grounding of the mast and supporting  
structure, grounding of the lead-in wire  
to an antenna discharge unit, size of  
grounding conductors, location of anten-  
na discharge unit, connection to ground-  
ing electrodes and requirements of the  
grounding electrode.  
Avoid moist or humid locations.  
Reorient or relocate the receiving  
Do not obstruct the ventilation slots  
on the top of the unit, or place objects  
directly over them.  
antenna.  
Increase the separation between the  
equipment and receiver.  
Cleaning  
Connect the equipment into an outlet  
When the unit gets dirty, wipe it with a  
clean, soft dry cloth. If necessary, wipe it  
with a soft cloth dampened with mild  
soapy water, then a fresh cloth with clean  
water. Wipe dry immediately with a dry  
cloth. NEVER use benzene, thinner, alco-  
hol or any other volatile cleaning agent.  
Do not use abrasive cleaners, as they may  
damage the finish of metal parts. Avoid  
spraying insecticide near the unit.  
on a circuit different from that to  
which the receiver is connected.  
Consult the dealer or an experienced  
radio/TV technician for help.  
NOTE TO CATV SYSTEM INSTALLER:  
This reminder is provided to call the  
CATV (Cable TV) system installer’s atten-  
tion to article 820-40 of the NEC that  
provides guidelines for proper grounding  
and, in particular, specifies that the cable  
ground shall be connected to the ground-  
ing system of the building, as close to the  
point of cable entry as possible.  
This device complies with Part 15 of the  
FCC Rules. Operation is subject to the  
following two conditions: (1) this device  
may not cause harmful interference, and  
(2) this device must accept interference  
received, including interference that may  
cause undesired operation.  
Moving The Unit  
Before moving the unit, be certain to dis-  
connect any interconnection cords with  
other components, and make certain  
that you disconnect the unit from the AC  
outlet.  
Note: Changes or modifications may  
cause this unit to fail to comply with Part  
15 of the FCC Rules and may void the  
user’s authority to operate the equip-  
ment.  
Installation Location  
To assure proper operation, and to  
avoid the potential for safety hazards,  
place the unit on a firm and level sur-  
face. When placing the unit on a  
shelf, be certain that the shelf and any  
mounting hardware can support the  
weight of the product.  
Important information for the user  
Note: This equipment has been tested  
and found to comply within the limits for  
a Class B digital device, pursuant to Part  
15 of the FCC Rules. The limits are  
designed to provide reasonable protection  
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Introduction and Safety Information  
3
When positioning your PT2500 in its  
final location, make certain that any  
shelf or stand is capable of supporting it’s  
weight, and that there is adequate venti-  
lation on all sides, as well as on the top  
and bottom. Do not place CDs, record  
jackets, owner’s manuals, or other paper  
on top of, or beneath the unit. This will  
block air flow, causing degraded perfor-  
mance and a possible fire hazard. If the  
unit is to be enclosed in a cabinet or  
rack, make certain that there is adequate  
air circulation, with a means provided  
for hot air to exit, and for cool air to be  
brought in.  
Unpacking and Installation  
Using this Manual  
The carton and shipping materials used  
to protect your new PT2500 during ship-  
ment were specially designed to cushion  
it from shock and vibration. We suggest  
that you save the carton and packing  
materials for use in shipping if you move  
or should the unit ever need repair.  
For easy identification of the inputs, out-  
puts and controls on the PT2500, a sepa-  
rate reference card accompanies this  
manual. Printed on that card are dia-  
grams of the front and rear panels and  
the remote control. Refer to that card as  
needed to make certain that connections  
are being made properly.  
To minimize the size of the carton in  
storage, you may wish to flatten it. This  
is done by carefully removing any staples  
that attach the carton flaps to one anoth-  
er, and then slitting the tape covering the  
seams. Fold the carton down to a more  
two dimensional appearance. Packing  
materials that cannot be collapsed  
should be saved along with the carton in  
a plastic bag.  
The following conventions are used  
throughout this manual when referring  
to the diagrams on the reference card:  
1: A number within a square references  
a front panel control.  
¡: A number within a circle references  
a connection point on the rear panel.  
: A number within an oval references  
a
a button on the remote control.  
If you do not wish to save the packaging  
materials, please note that the carton  
and other sections of the shipping protec-  
tion are recyclable. Please respect the  
environment and discard those materials  
at a local recycling center.  
Example: Bold type will be used to indi-  
cate a front or rear panel control. It will  
typically be followed with a reference let-  
ter or number to the specific control  
being described.  
EXAMPLE: OCR type indicates a mes-  
sage that is visible through the display  
window.  
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Front Panel Controls  
4
Ó Up/Down Tuning Button: Press  
! Bass Control: Turn this control to  
adjust the low frequency output of  
the left/right channels by as much as  
±10dB. Set this control to a suitable  
position for your taste and room  
acoustics.  
Using the Reference Card supplied with  
this manual, familiarize yourself with  
each of the controls on the front panel of  
the PT2500. This section of the Manual  
will also serve as a quick reference to the  
operation of any of these controls.  
¤
the left side  
lower frequency stations and the  
of the button to tune  
right side  
of the button to tune  
higher frequency stations. When a  
station with a strong frequency is  
tuned, the TUNED indicator will illu-  
minate in the Information Display.  
@ Treble Control: Turn this control  
to adjust the high frequency output  
of the left/right channels by as much  
as ±10dB. Set this control to a suit-  
able position for your taste and room  
acoustics.  
Ô FM Mode: Press this button to  
select the stereo or mono mode for  
FM tuning. In the STEREO mode an  
FMST 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 the  
MONO mode fro better reception of  
weak signals.  
1 Power Switch: Press this button  
to turn the PT2500 on or off. In order  
to use the power button on the  
remote this power switch must be  
pressed once and left in the “stand-  
by” mode. Note that a green indica-  
tor around the switch will illuminate  
when the unit is on, and an orange  
”standby” indicator will illuminate  
when the unit has been turned off  
using the remote control.  
# Balance Control: Turn this con-  
trol to change the relative volume for  
the front left/right channels.  
NOTE: For normal operation of the  
surround modes this control should  
be at the midpoint, or “12 O’clock”  
position.  
2 VCR2 Selector: Press this button  
to select the front panel VCR2 inputs  
rather than the rear panel inputs.  
$ VCR2 Inputs: This alternate set  
of VCR2 Inputs may be used for the  
connection of a camcorder or video  
game. Select this input by pressing  
the VCR2 button 2 on the front  
panel.  
Information Display: The indica-  
tors in this display illuminate to pro-  
vide visual display of the unit’s  
operation.  
3 Direct Input Selector: Press this  
button to select direct input to the  
preamp circuits, bypassing all tone  
controls and surround processing.  
When this feature is activated, the  
DIRECT indicator illuminates with-  
in the information display.  
Ò Remote Sensor: This sensor  
receives the signals from the remote  
control to operate the unit. Do not  
block this area.  
% Loudness Button: Press this  
button when listening at low levels to  
activate special circuits that com-  
pensate for the response of the  
human ear at lower volumes. In the  
off position the unit will provide flat  
frequency response.  
Ú Tuner Memory Button: Press  
this button to store an AM or FM fre-  
quency in the unit’s memory. The  
MEMORY indicator will flash in the  
display to remind you to choose a  
numeric location using Numeric  
Buttons on the front panel or remote  
(Ùd). Press this button a second  
time to complete the memorization  
process. Storing a station in a mem-  
ory location that has already been  
used will overwrite the existing data.  
4 Delay Time Adjust: Press this  
button to adjust the delay time  
between the front and rear channels.  
5 Surround Off: Press this button  
to select conventional two channel  
stereo reproduction and to cancel  
surround processing.  
^ Volume Control: Rotate this  
control to raise or lower the volume.  
Note that this is a motorized control,  
and when the volume is changed  
using the remote control n it will  
move in response to remote  
commands.  
6 Surround Mode Selectors:  
Press one of these buttons to select  
a surround processing mode.  
& Mute/Volume Indicator: In nor-  
mal operation this green LED pro-  
vides a relative indication of the  
unit’s volume level. When the  
PT2500 is in the MUTE mode, this  
indicator flashes to remind you that  
output to the speakers has momen-  
tarily been silenced.  
7 Center Channel Mode Selector:  
Press this button to change the cen-  
ter channel mode.  
NOTE: The preset memories are pro-  
tected from power loss for two  
weeks. If the unit is unplugged for  
more than two weeks all stored fre-  
quencies will be erased.  
8 Test Mode Selector: Press this  
button to place the unit in the Test  
mode for adjustment of system out-  
put levels.  
Û Preset Scan Button: Press this  
button to scan the stations entered  
in the unit’s memory. When the  
desired station is reached, press  
the button again to stop the scan.  
9 Tape 2 Monitor: Press this button  
to monitor the output of the tape  
deck connected to the Tape 2  
Inputs. For normal operation this  
control should be in the off position.  
* Auto/Man Selector: Press this  
button to select AUTO or MANUAL  
tuning. In the AUTO mode the tuner  
will stop only at stations with a strong  
signal. In the MANUAL mode the  
tuner will step in 50kHz increments  
for FM and 10kHz increments for AM.  
Ù Numeric Buttons: Use these  
buttons to enter or recall stations  
from the tuner memory.  
) Input Selectors: Press one of  
these buttons to select an input  
source.  
( AM/FM Selector: Press this  
button to select AM or FM stations.  
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Rear Panel Connections  
5
¤ VDP A/V Inputs: Connect the  
audio and video outputs of a laser  
disc or DVD player to these jacks.  
b Center Channel Outputs:  
Connect the output of one of these  
jacks to the center channel input of  
a power amplifier or digital audio  
processor with pass through capa-  
bility.  
Using the Reference Card supplied with  
this manual, use this section as a quick  
guide to the connections required to  
install the PT2500. For complete instal-  
lation and set up instructions, see pages  
7-10.  
Video Monitor Outputs:  
Connect these jacks to the video  
input of a TV or video projector.  
NOTE: In most applications only one  
center channel connection will be  
required. The output of both jacks is  
identical, and either jack may be  
used for system connections.  
Remote Amplifier Trigger:  
Using the accessory cable supplied  
with the PT2500, connect this jack to  
compatible products such as the  
PA5800 for automatic turn on/off  
operation.  
¡ Phono Input: Connect the output  
of a turntable or tone arm to these  
jacks.  
System Ground Terminal: To  
reduce hum and noise, connect the  
ground lead from your turntable or  
tone arm to this terminal.  
c Front Channel Outputs:  
Connect these jacks to the front  
left/right channel inputs of a power  
amplifier or digital audio processor  
with pass through capability.  
AC Power Cord: Connect this  
plug to an unswitched, wall mounted  
AC outlet.  
£ Aux Input: Connect the outputs  
of any audio source to these jacks.  
d Subwoofer Outputs: Connect  
these jacks to the line level input of a  
powered subwoofer, or to the inputs  
of a subwoofer amplifier.  
Unswitched Accessory AC  
Power Outlet: This outlet provides  
AC power that may used with any AC  
device up to 100 watts. The power  
will remain on at this outlet regardless  
of whether the PT2500 is on or off.  
¢ CD Input: Connect the outputs of  
a CD player or external D/A convert-  
er to these jacks.  
NOTE: This output is a full range  
left/right signal. For proper operation  
BOTH jacks must be connected to  
the left/right inputs of a powered  
subwoofer, or a “Y” cable must be  
used to connect the two outputs  
together if a single input mono sub-  
woofer is used.  
Tape 1 Input: Connect the  
PLAY/OUT jacks of an audio tape  
recorder to these jacks.  
Switched Accessory AC Power  
Outlet: This outlet provides AC  
power to connected products only  
when the PT2500 is turned on. Note  
that the total current draw of the  
products may not exceed 100 watts.  
§ Tape 1 Output: Connect the  
RECORD/INPUT jacks of an audio  
tape recorder to these jacks.  
Tape 2 Input: Connect the  
PLAY/OUT jacks of a second audio  
tape recorder to these jacks.  
WARNING: Since this is a full range  
output, the signal must be sent  
through a crossover or low pass filter  
before being used with a passive  
subwoofer or other speaker that  
does not contain a built in crossover.  
° Remote Control Extension  
Output: This jack may be connect-  
ed to other compatible Harman  
Kardon products so that they will  
receive infrared commands cap-  
tured by the PT2500’s remote sen-  
sor.  
Tape 2 Monitor Output: Connect  
the RECORD/INPUT jacks of a sec-  
ond audio tape recorder to these  
jacks.  
e AM Antenna Input: Connect the  
AM loop antenna supplied with the  
PT2500 to these terminals. An exter-  
nal AM antenna may also be con-  
nected here.  
· Remote Control Extension Input:  
If the PT2500’s front panel IR sensor  
is blocked due to cabinet doors or  
other obstructions, an external IR  
sensor may be used. Connect the  
output of the sensor to this jack.  
ª VCR1 A/V Inputs: Connect the  
audio and video PLAY/OUT jacks of  
a VCR to these jacks.  
VCR1 A/V Outputs: Connect the  
audio and video record RECORD/IN  
jacks of a VCR to these jacks.  
f FM Antenna Input: Connect an  
FM antenna to these terminals. Note  
that a 300 ohm to 75 ohm adapter is  
required for connections from twin  
lead dipole antennas.  
a Surround Channel Outputs:  
Connect these jacks to the surround  
channel inputs of a power amplifier  
or digital audio processor with pass  
through capability.  
VCR2 A/V Inputs: Connect the  
audio and video PLAY/OUT jacks of  
a second VCR, or another A/V  
source such as a satellite receiver to  
these jacks.  
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System Remote Control  
6
f Input Select Buttons: Press  
one of these buttons to choose an  
input source.  
m Mute Button: Press this button to  
momentarily silence the speakers.  
Note that the Mute/Volume Indicator  
& will flash to remind you that the  
Mute function is engaged. Press the  
button again to return to the previ-  
ously selected listening level.  
Using the Reference Card supplied with  
this manual, familiarize yourself with  
each of the controls on the PT2500’s  
infrared remote control. This section of  
the manual will also serve as a quick ref-  
erence to the operation of any of these  
controls.  
Note: Automatic Power On: When  
you press any Input Select Button  
while the unit is in the Standby  
Mode, the system will automatically  
be turned on.  
n Master Volume Control: Press  
this button to raise or lower the over-  
all system volume to all speakers.  
g Delay Time Adjust: Press this  
button to adjust the amount of delay  
between the sounds heard from  
the front and surround speakers.  
This function is only available in  
the Dolby ProLogic, Theater and  
Stadium modes.  
a Transmitter Window: An  
infrared beam is transmitted from  
this window when you press any but-  
ton on the remote. For the remote to  
function properly always point this  
window toward the remote sensor on  
the PT2500 and do not obstruct this  
window.  
o Center Mode Select: Press  
this button to select the center  
channel mode. Each press of the  
button changes the mode in the  
following sequence:  
NormalWidePhantom  
h Surround Mode Selectors:  
Press one of these buttons to  
choose a surround processing  
mode. Press the OFF button to  
cancel the surround processing for  
conventional stereo reproduction.  
p Test Mode Select: Press this  
button to have a test signal noise  
appear in sequence through the left,  
center, right and surround speakers  
so that relative volume may be  
adjusted.  
i Center Level Up/Down  
Buttons: These buttons adjust the  
center channel volume relative to  
that of the other speakers. They  
operate only in the Dolby ProLogic  
and Dolby 3 Stereo modes.  
q Cassette Deck Controls: These  
buttons control the functions of com-  
patible Harman Kardon cassette  
decks.  
Remote Control  
Operation Range  
r Preset Scan Button: Press this  
button to scan the stations entered  
in the unit’s memory. When the  
desired station is reached, press the  
button again to stop the scan.  
j Rear Level Up/Down Buttons:  
These buttons adjust the volume of  
the rear (Surround) channels relative  
to that of the other speakers. They  
operate only in the Dolby ProLogic,  
Theater and Stadium modes.  
b Power Button: Press this button  
to turn the PT2500 on or off.  
s Battery Compartment: Install  
two “AA” batteries as shown to  
power the remote control.  
NOTE: In order for this button to  
work, the PT2500 must first be  
placed in the standby mode by  
pressing the front panel Power  
switch 1 until it is engaged and the  
ring surrounding the switch turns  
amber.  
k Display Dim: Press this button  
to dim the brightness of the front  
panel display. A second press turns  
that display off completely and a  
third press returns the displays to  
their normal brightness level.  
c Up/Down Tuning Buttons:  
Press these buttons to manually tune  
higher or lower frequency stations.  
l Sleep Timer Button: Press this  
button to activate the sleep timer.  
Each press increases the amount of  
time before the unit will turn off, in  
the following sequence:  
d Numeric Buttons: Press these  
buttons to select one of the stations  
stored in the unit’s memory.  
Slide the cover on the battery compart-  
ment as shown to remove. Insert the  
batteries being certain to observe proper  
polarity.  
10  
20  
30  
60  
90  
OFF  
min  
min  
min  
min  
min  
e CD Function Controls: These  
buttons will control the functions of a  
compatible Harman Kardon CD  
player or multi disc changer.  
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Installation & Configuration  
7
Your new Harman Kardon receiver is  
designed to provide the best reproduction  
from both movies and musical programs. on most turntables to the System  
If the phono input is used, connect the  
small ground wire connection furnished  
The rear panel accessory outlets on the  
PT2500 may be used to power low cur-  
rent devices such as CD payers or tape  
decks. The SWITCHED Accessory  
AC Power Outlets are activated  
only when the PT2500 is turned on. The  
UNSWITCHED Accessory AC  
Power Outlets may be used with  
VCRs, as the power to these outlets is live  
as long as the PT2500 remains connect-  
ed to an AC power source.  
To assure that the unit operates to its  
fullest capability, it is important that you  
spend a few minutes to properly install  
and configure all of the elements in your  
new system. Some, or all of the following  
steps will apply to your system, depend-  
ing on the equipment in use. If you have  
any questions concerning the installation  
of this product consult your local dealer,  
or contact the Harman Kardon web site  
Ground Terminal on the rear  
panel. This will greatly reduce system  
noise and hum.  
Assemble the supplied AM loop antenna  
as shown below and connect it to the AM  
ANTENNA Terminals e.  
AM LOOP ANTENNA SETTING  
CAUTION: The total power load for all  
products connected to the accessory out-  
lets must not exceed 100 watts. Do not  
use them for high current devices such as  
power amplifiers.  
System Component  
Connections  
LEG  
Stand and place it on a shelf, or hang it on a wall.  
IMPORTANT SAFETY NOTE: Many  
products feature automatic turn on cir-  
cuitry which may accidentally be activat-  
ed when making connections. For your  
safety and to prevent damage to speakers,  
amplifiers and other components we  
strongly recommend that all equipment  
power be turned off, or that AC power  
cords be unplugged when any system  
connections are made or changed.  
It may be necessary to rotate the antenna  
or change its position to achieve the best  
AM reception. Connect an FM antenna to  
the FM Antenna Terminals. A 300  
ohm to 75 ohm adapter may be required  
for some antennae.  
If the PT2500’s front panel remote sensor  
Ò is blocked by cabinet doors you may  
still operate the unit via remote control  
with the use of an optional external  
remote sensor. Connect the output of the  
sensor to the rear panel REMOTE  
CONTROL Extension Input ·.  
This jack may also be used as the IR  
input from compatible multiroom con-  
trol systems. The sensor may be looped  
to other components by connecting the  
REMOTE CONTROL Extension  
Output ° to the IR remote input jack  
of other compatible components.  
If a PA5800 or other compatible amplifi-  
er will be used, connect the supplied  
accessory cable to the Remote  
Amplifier Trigger Jack on the  
PT2500. Connect the other end to the  
appropriate jack on your amplifier.  
Consult the amplifier manual for further  
instructions.  
Using high quality interconnect cables,  
connect all source components to the  
appropriate input jacks on the rear  
panel. When connecting audio recorders  
and VCRs it is important to make certain  
that the PLAY/OUT jacks on the recorders  
are connected to the PLAY jacks on the  
PT2500, and that the RECORD/IN jacks  
of the recorders are connected to the  
REC jacks on the PT2500.  
Amplifier Connections  
IMPORTANT NOTE: Do not connect  
amplifier trigger cables to the “IR  
Remote Control” jacks on this or any  
other equipment.  
Since the PT2500 is a tuner/preamplifier,  
it does not include any on board power  
amplifiers. The final step in the installa-  
tion process is to connect the unit to the  
amplifiers for each channel. Using high  
quality audio interconnect cables, con-  
nect the FRONT, CENTER and  
SURROUND Channel Outputs  
cba to the appropriate input jacks  
of a power amplifier.  
If you are using the PT2500 to switch  
video inputs, connect either MONITOR  
output to a video input on your TV or  
projector.  
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Installation & Configuration  
8
Center Front Speaker  
Although there are two outputs for the  
center channel, only one connection is  
typically required. As the two outputs are  
identical, either one may be used and the  
other left open.  
Once the center channel speaker is  
installed, position the left and right front  
speakers so that they are as far away  
from one another as the center channel  
speaker is from the preferred listening  
position. Ideally, the front channel  
speakers should be placed so that their  
tweeters are no more than 24off center  
from the tweeter in the center channel  
No more  
than 24"  
Left Front  
Speaker  
Right Front  
Speaker  
Subwoofer connections are made using  
the SUBWOOFER Outputs d. When  
using a powered subwoofer, connect  
BOTH the left and right output subwoofer speaker.  
outputs to the respective left and right  
A) Front Channel Speaker Installation  
with Direct View TV Sets or Rear Screen  
Projectors  
line level inputs on your subwoofer. As  
the PT2500 subwoofer outputs are full  
range, it will be necessary to adjust the  
crossover frequency to your requirements  
Depending on the specifics of your room  
TV or Projection Screen  
Center Front  
acoustics and the type of speakers in use,  
imaging may be improved by moving the  
front left and right speakers slightly for-  
Left Front  
Speaker  
Right Front  
Speaker  
Speaker  
on the subwoofer’s control panel. Consult ward of the center channel speaker. If  
the subwoofer instructions or consult  
your dealer for additional information.  
possible, adjust all front loudspeakers so  
that they are aimed at ear height when  
you are seated in the listening position.  
When using a single subwoofer and a  
separate mono power amplifier the  
PT2500 subwoofer outputs must be com-  
bined using an optional “Y” adapter. If  
there is no crossover in the subwoofer an  
optional, external low pass filter or  
crossover system must also be used.  
Using these guidelines, you may find that  
it takes some experimentation to find the  
correct location for the front speakers in  
your particular installation. Don’t be  
afraid to move things around until the  
system sounds correct. Optimize speaker  
locations so that pans across the front of  
the room sound smooth, and that sounds  
from all speakers appear to arrive at the  
listening position at the same time with-  
out delay from the center speaker as  
opposed to the left and right speakers.  
Optional Rear Wall Mounting  
When using the PT2500 with an external  
5.1 digital audio decoder such as the  
Harman Kardon ADP303, connect all  
Channel Outputs abc to the  
decoder’s inputs. Use an optional “Y”  
adapter to combine the subwoofer out-  
puts and connect the “Y” adapter to the  
decoder’s subwoofer input. The outputs  
of the digital audio decoder should then  
be connected to your power amplifiers.  
The distance between the left and right  
speakers should be equal to the distance  
from the seating position to the viewing  
screen. You may also experiment with  
placing the left and right speakers slightly  
forward of the center speaker.  
Surround speakers should be placed on  
the side walls of the room, at or slightly  
behind the listening position. The center  
of the speaker should face into the room  
with the speaker drivers pointing towards  
the front and rear of the room. The  
speakers should be located so that the  
bottom of the cabinet is at least 24″  
higher than the listeners’ ears when in  
the desired area.  
At least 6 inches from ceiling  
Speaker Selection and Placement  
Depending on the type of center channel  
speaker in use and your viewing device,  
place the center speaker directly above or  
below your TV .  
At least 2 feet  
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Installation & Configuration  
9
8
If side wall mounting is not practical, the  
speakers may be placed on a rear wall,  
behind the listening position. Again, they  
should be located so that the bottom of  
the cabinet is at least 24higher than  
the listeners’ ears. The speakers should  
be no more than 6 feet behind the rear of  
the seating area.  
To calibrate your system, follow these  
steps:  
7. Press the Test Tone button again  
to turn the test signal off. Your system is  
now properly calibrated and further vol-  
ume adjustment should be made using  
n
1. Turn on the PT2500 and the compan-  
ion power amplifier.  
the Master Volume  
buttons on  
2. Select the Dolby ProLogic mode using  
the Surround Mode 6 button on the  
front panel.  
the remote or the front panel Volume  
Once the system is calibrat-  
ed no other adjustments are necessary.  
^
Control.  
3. Place the front panel Balance #  
control at its midpoint position, so that  
the indicator is pointing straight up in  
the 12 o’clock position. If the Balance  
control is normally in another position  
to compensate for speaker placement rel-  
ative to your preferred listening position,  
leave it in that spot.  
Delay Setting  
Subwoofers produce non-directional  
sound, so they may be placed almost  
anywhere in a room. Subwoofer place-  
ment is highly influenced by room size  
and shape, and the type of subwoofer  
used. Follow the instructions of the sub-  
woofer’s manufacturer, or experiment  
with the best location for a subwoofer in  
your listening room.  
Delay time adjustment enables you to  
adjust the timing between signals at the  
front and surround channels.  
The factory setting is appropriate for  
most rooms, but in some instances the  
use of an abundance of hard (reflective)  
room surfaces such as windows and  
wood floors, or soft (absorbent) surfaces  
such as thick carpeting, acoustical tiles  
and some furnishings may create an  
unpleasant effect. These surfaces, in  
conjunction with the size of the room,  
the height of the ceiling and other  
4. Sit in the location that you will nor-  
mally occupy when using your PT2500.  
Output Level Calibration  
p8  
5. Press the Test Tone  
button  
For proper operation in the surround  
modes it is important that the level from  
all channels be as close to one another as  
possible. A small amount of time spent to  
properly calibrate the PT2500’s output  
levels will enable the unit to deliver all  
the performance it is capable of within  
the specific environment of your listen-  
ing room.  
on the remote or front panel and note  
that a test noise signal will circulate  
between the channels.  
design aspects may cause the arrival of  
surround channel sounds to become dis-  
connected from rear channel sounds.  
• While the test noise circulates among  
the channels the word TEST and the  
channel name will appear in the front  
panel information display window. As the  
names change you should first listen to  
the location of the tone and verify that it  
matches the name displayed in the dis-  
play. If the display indicates a different  
location than the speaker the test noise is  
coming from you should turn off the  
unit and verify that the connections to  
the amplifier speakers are made to the  
correct terminals on the rear panel.  
To adjust delay time it is necessary to  
select the ProLogic, Theater or Stadium  
modes using the Surround Mode  
Selector buttons on the front panel or  
IMPORTANT NOTE: People are often  
confused about the operation of the sur-  
round channels. While some assume that  
sound should always be coming from  
each speaker, most of the time there will  
be little or no sound in the rear channels.  
This is because they are only used when a  
movie director or sound mixer specifical-  
ly places sound there to create an effect or  
pull you into the action. When the output  
levels have been properly set it is normal  
for the rear speakers to operate only occa-  
sionally. Artificially increasing the vol-  
ume to the rear speakers will destroy the  
illusion of an enveloping surround field  
that duplicates the way you hear sound  
in a movie theater or concert hall.  
h6  
remote  
.
4
Press the Delay Adjust button on  
the front panel to adjust the delay time  
as observed in the Information  
Display according to personal  
preference or the following formula:  
1. Measure the distance from the listen-  
ing/viewing position to the front  
speakers.  
6. As the test signal circulates among the  
channels, use the Center Level  
o
j
Up/Down  
and Rear Level  
buttons on the remote to  
Up/Down  
2. Measure the distance from the listen-  
ing/viewing position to the surround  
speakers.  
adjust the level so that the volume from  
all channels sounds equal.  
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Installation & Configuration  
10  
3. Subtract the distance to the rear/sur-  
round speakers from the distance to the  
front speakers and add 15. The resulting  
number is the ideal delay time for your  
room. For example, if the front speakers  
are 10 feet away and the surround speak-  
ers are 5 feet away, the formula will be  
“10-5+15=20”. Thus, the correct delay  
time in this room would be 20 ms.  
CENTER  
FRONT(left)  
FRONT(right)  
Note that the delay time for the Dolby  
ProLogic Mode is adjusted in 2 ms incre-  
ments from 16 ms. to 30 ms. The delay  
setting for the Theater and Stadium  
modes is adjusted in 8 ms increments  
from 8ms to 96 ms.  
REAR(right)  
REAR(left)  
Wide Mode: Select this mode if your  
center channel speaker is a traditional  
full range loudspeaker.  
Center Channel Mode  
FRONT(left)  
FRONT(right)  
The PT2500 permits you to tailor the  
center channel output to match the type  
of speakers used in your home theater.  
o7  
Press the Center Mode button  
on the front panel or remote to select one  
of the following. The center channel  
mode is shown by indicators in the front  
panel display window.  
REAR(right)  
REAR(left)  
CENTER  
FRONT(left)  
FRONT(right)  
Phantom Mode: Select this mode if a  
center channel speaker is not used. The  
PT2500 will create a “phantom” center  
channel using the outputs of the left and  
right speakers. Note that the Phantom  
mode is not available when Dolby 3  
Stereo is selected as a surround mode.  
REAR(right)  
REAR(left)  
Normal Mode: Select this mode if your  
center channel is small and has limited  
bass response. Most specialized center  
channel speakers fall into this category.  
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Operation  
11  
4. Adjust the Center Channel Mode  
7o and/or Delay Time 4g if a  
change is required from the setting  
established during installation.  
names described above, select the  
ProLogic mode using the front panel or  
remote Surround Mode Selectors  
6h.  
OPERATION  
1. Press the Power button 1 on the  
front panel to turn the unit on.  
• To use the remote for power on/off it is  
necessary to turn the unit on from the  
front panel switch and to leave the switch  
in the “on” position. The PT2500 may  
then be turned off using the Power but-  
ton b on the remote. When the remote  
is used to turn the unit “off” it is actually  
placing the system in a standby mode, as  
indicated by the amber color of the power  
switch ring.  
5. Adjust the volume to a comfortable  
level using the front panel Volume  
Control or remote Volume Up/Down  
buttons ^n .  
If a center channel speaker is used along  
with front left/right speakers, but no sur-  
round speakers are used, choose the  
Dolby 3 Stereo mode6h. This  
combines the surround signal into the  
front left and right channels to create a  
greater feeling of presence and a more  
expansive sound field than with conven-  
tional stereo signals. Center channel dia-  
log information will continue to be  
heard through its proper place at center  
screen.  
• To temporarily silence the system press  
the Mute button m on the remote.  
6. Adjust the Bass and Treble controls  
!@ to suit your listening taste.  
• If you will be away from home for an  
extended period of time it is always a  
good idea to completely turn the unit off  
using the front panel Power button 1.  
• To remove the tone controls from the  
circuit, press the Direct button 3.  
When listening to conventional stereo  
recordings or programs, those with sepa-  
rate left and right channels but no inten-  
tionally recorded surround information,  
you may wish to experiment with the  
surround modes to see which produces  
the effect you prefer. Stereo recordings  
often contain sufficient natural phase  
differences so that the ProLogic or  
Dolby 3 Stereo Modes are enjoyable,  
despite the lack of true surround infor-  
mation.  
• At lower volume levels you may wish to  
engage the Loudness button % to  
boost low and high frequency sounds to  
compensate for response of the human  
ear at low listing levels (known as the  
Fletcher-Munson hearing curve).  
2. Select the desired program source  
using the Input Selector Switches  
9)f on the front panel or remote.  
• To use a camcorder or video game  
which is connected to the front panel  
VCR2 input, press the VCR2 Sel button  
2.  
Surround Mode Options  
Surround sound processing enables four  
separate audio signals to be transmitted  
within the left and right channels of a  
videocassette, radio or TV broadcast, or  
video disc. Through a process known as  
matrix encoding a separate center chan-  
nel signal for dialog and a surround  
channel for effects are encoded into the  
stereo signal. When you see the Dolby  
Surround, Dolby Stereo, DTS Stereo™  
or other similar logos on a movie or  
broadcast this indicates that the program  
has surround information.  
• When the selected input is VCR1, VCR2  
or VDP the video signal for that input  
will be routed to the MONITOR output  
jacks and will be viewable on a TV  
monitor connected to the PT2500. Make  
certain that your TV set is set to the prop-  
er “VIDEO” input to view the signal.  
Stereo recordings may also sound more  
expansive in either the Theater or  
Stadium modes. Selecting these modes  
6h uses the front left and right  
speakers for normal stereo, while the sur-  
round speakers are fed a reverberated  
sound. In order to provide for a wider  
variety of sound field effects, the sur-  
round channel delay available in the  
Theater and Stadium modes is substan-  
tially greater than that in Dolby  
3. Choose a surround mode using the  
Surround Mode Selector 6h  
buttons on the front panel or remote. To  
listen to traditional two channel stereo  
press the Surround Off button 5h.  
When the program you are listening to  
has encoded surround information, as  
shown by one of the logos or brand  
ProLogic.  
NOTE: The center channel speaker is  
not operational in the Theater or  
Stadium modes.  
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Operation  
12  
Preset Tuning  
Tuner Operation  
the P•Scan button again to stop the scan  
Up to 30 stations may be stored in the  
receiver’s memory for easy recall using  
the front panel controls or the remote.  
The PT2500’s built in tuner is capable of  
tuning AM, FM or FM Stereo broadcast  
stations. Stations may be tuned manually,  
automatically or via presets.  
at your desired station.  
Sleep Timer  
The PT2500 may be placed in a “Sleep  
Mode” mode by pressing the Sleep  
Timer l button on the remote.  
To enter a station to the memory, first  
tune to the station using the steps out-  
lined above in the Manual Tuning  
section. Then:  
Manual Tuning  
1. Press the Tuner button )f to  
select the tuner as an input.  
Each press of the button increases the  
time until the unit shuts off in the fol-  
lowing increments:  
1. Press the Memory Ú button on  
the front panel. Note that the MEM  
indicator in the Information Display  
window will illuminate and flash.  
2. Select the AM or FM band using the  
front panel AM/FM selector (.  
10  
min  
20  
min  
30  
min  
60  
min  
90  
min  
OFF  
⁄¤  
3. Press the Tuning  
Óc but-  
The sleep time will be displayed at the  
right side of the Information Display  
while the timer is being programmed.  
Once the amount of time entered has  
elapsed, the PT2500 will automatically  
go into the Standby mode, shutting off  
all functions as well as the remote amp  
trigger and the switched outlets.  
ton to until the desired station is tuned.  
Holding the button down will cause a  
rapid advance through the frequency  
band, tapping it lightly will advance  
through bands one increment at a time.  
The TUNEDindicator will illuminate  
when a station is received with sufficient  
strength for quality reception.  
2. Within five seconds, press the  
Numeric Buttons Ùd  
corresponding to the memory location  
where you wish to store this station’s  
frequency.  
• To enter a station to memory location  
“30” press only the 0 button.  
Tape Recording  
3. Repeat the process after tuning to any  
additional stations to be preset.  
4. Press the FM Mode Ô button to  
switch between mono and stereo recep-  
tion. When a station’s signal is weak,  
press the button until the FMSTindica-  
tor in the information displaygoes  
out. This will switch the tuner to mono,  
but it may enable clearer reception.  
In normal operation, the audio or video  
source selected for listening through the  
PT2500 is sent to the record outputs. This  
means means that any program you are  
watching or listening to may be recorded  
simply by placing machines connected to  
the outputs for TAPE1 § or VCR1 ‚  
in the record mode.  
Recalling Preset Stations  
To select a station previously entered into  
the preset memory press the Numeric  
Buttons Ùd on the front panel or  
the remote corresponding to the desired  
station’s location. To select the station in  
location “30”, press the 0 button only.  
Auto Tuning  
1. Press the Tuner button )f to  
select the tuner as an input.  
To dub an audio tape place the blank  
tape in the machine connected to  
Tape 2 and put it in the record mode.  
Place the program tape in the machine  
connected to Tape1 and put it in the  
play mode. Select Tape 2 Mon as the  
input source 9f to monitor the play-  
back of the dub if the recorder has a  
three head system.  
• When you select a station using this  
method the unit will automatically  
switch to the tuner as its input.  
2. Select the AM or FM band using the  
front panel AM/FM selector (.  
3. Press the Auto/Man * button.  
Preset Station Scan  
To automatically scan through the sta-  
tions entered in the preset memory, press  
the P•Scan r button on the remote.  
The tuner will automatically begin to  
search through the list of stations, stop-  
ping for four seconds at each one. Press  
4. Press the Tuning Óc button once  
and tuning will start in the direction  
indicated. The tuner will stop at the first  
station with sufficient signal strength.  
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Troubleshooting  
13  
This unit is designed for trouble-free operation. Most problems users encounter are due to operating errors. So, if you have a problem,  
first check this list for a possible solution. If the problem persists, consult your authorized Harman Kardon Service Center.  
If the problem is...  
Make sure that the...  
No lights illuminate when POWER button is pressed  
Unit is plugged into a live outlet  
No sound is heard  
Unit has been muted  
Correct input function selector button has been pressed  
Volume is turned up  
Connections are properly made to the amplifier  
Dolby Surround does not work on center and rear channels  
Correct surround mode is selected  
Rear and Center levels are turned up  
You are using a surround encoded source  
Selecting video component produces sound but no picture  
The TV picture does not match the sound  
Video cables are connected properly  
Monitor output is connected to the video input on TV  
Video sources are properly connected to receiver  
Video/Antenna Switch on TV is set to Video  
No output from one or more channels  
Cables are not defective: Check/replace interconnect cables  
The program source is operating and providing proper  
signal output to the PA5800  
No center channel output  
Dolby surround or movie mode is turned on  
Phantom mode is not active  
Unit is in the ProLogic or Dolby 3 Stereo mode  
Center channel level is properly adjusted  
Tuner sound has a large amount of interference, or  
The “Stereo” display is not illuminated, or  
The antenna is properly connected  
The antenna is properly located  
Tuner sound distorts and/or volume level is too low  
The antenna is set in the proper direction  
The antenna is adequate to receive the desired station  
Tuner is intermittent or continuously buzzing or hissing  
Stations cannot be preset  
The unit is away from fluorescent lights, TVs, motors and  
other electrical appliances  
After pressing the MEMORY button, the PRESET button is  
pressed while the memory indicator blinks  
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Specifications  
Preamplifier Section  
Tuner Section: FM  
Signal-to-Noise Ratio (ref. 1 Volt, A-Wtd)  
Usable Sensitivity, Mono (dBf):  
11.2  
37.2  
Phono (MM):  
Video, CD:  
74dB  
92dB  
50dB Quieting Sensitivity, Stereo (dBf):  
Signal-to-Noise Ratio @65dBf, mono/stereo 74dB/70dB  
Input Sensitivity/Impedance  
Capture Ratio:  
1.5dB  
Phono (MM)  
125pF  
2.5mV/47k,  
150mV.22kΩ  
Selectivity, Adjacent/Alternate Channel:  
IF Rejection:  
5dB/65dB  
100dB  
55dB  
Video, CD, Tape  
Phono Overload:  
Am Rejection @45dBf:  
Stereo Separation @1KHz, 65dBf:  
THD @1KHz, 65dBf, mono/stereo (%)  
45dB  
RIAA EQ Accuracy (20Hz-20KHz):  
Tone Control Range  
Bass @100Hz:  
±1.0dB  
0.2/0.3  
±10dB  
±10dB  
Tuner Section: AM  
Sensitivity, External Antenna:  
Treble @10KHz:  
25µV  
55dB  
35dB  
60dB  
Loudness Contour @–40dB, 100Hz/10kHz: +6dB/+3dB  
Alternate Channel Selectivity:  
Image Rejection:  
IF Rejection:  
Dimensions (WxHxD)  
inches:  
17-3/8 x 6-1/8 x 16-1/2  
440 x 155 x 420  
17.1/7.8  
mm:  
Weight (lbs/kgs):  
Depth measurement includes knobs, buttons and antennas.  
Height measurement includes feet.  
All features and specifications are subject to change without notice.  
Manufactured under license from Dolby Laboratories Licensing Corporation.  
Additionally licensed under one or more of the following patents: U.S. number 3,959,590,  
Canadian numbers 1,004,603 and 1,037,877. “Dolby”, “ProLogic” and “TimeLink” are  
registered trademarks of Dolby Loboratories Licensing Corporation.  
Printed in Korea  
Part #1111-PT2500  
9007017884  
PT2500   rev (G)   10/23/96  
 

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