DOWNLOAD Harman Kardon HK 3370 (serv.man16) Service Manual ↓ Size: 234 KB | Pages: 16 in PDF or view online for FREE

13 OPERATION

Once you have completed the setup and config-
uration of your new receiver, it is simple to
operate and enjoy. The following instructions
will provide the steps needed to enjoy the
HK 3370:

• Install the two supplied AAA batteries in the
remote as shown. Be certain to observe the (+)
and (–) polarity indicators shown in the bottom
of the battery compartment.

• When using the HK 3370 for the first time, it
is necessary to press the 

button

1 on the front panel to turn the unit on. This
places the unit in a standby mode, as indicated
by the amber color of the

3. Once the unit is in standby, you may begin
a listening session by pressing the 

2 on the front panel or the

button 

å on the remote.

Note that the 

3 will turn

red, then green. This will turn the unit on and
return it to the input source that was last used.
The unit may also be turned on from standby by
pressing any of the 

but-

tons on the front panel

8 9 ! # $ &

or remote 

ç.

To turn the unit off at the end of a listening
session simply press the 

2 on the front panel or the

button 

∫ on the remote. This

places the unit in the Standby mode, and the

3 will turn amber to

remind you that the unit is ready for operation
when a power command is received from 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

3.

When 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 

1.

• To dim the brightness of the front panel dis-
play, press the 

button 

˙ on the

front panel 

^. The first press will dim the

lights to half normal. A second press will turn
the display completely off. Press the 

button 

^˙ again to restore the display to

normal brightness.

• To select a source at any time, press any of
the 

buttons on the remote

ç or front panel 8 9 ! # $ &.

• During a listening session you may wish to
adjust the 

Ó,

Ô and

 controls to suit your listening

tastes.

• Adjust the volume to a comfortable level
using the front panel 

Ò

or remote 

π

buttons.

• To temporarily silence all speaker outputs
press the 

button 

® 5. This will cut the

output to all speakers, but it will not affect any
recording or dubbing that may be in progress.
When the system is muted, the MUTE indicator
will light in the 

Û

and the 

indicator 

Ú will

flash. Press the 

button 

® 5 again to

return to normal operation.

• For private listening, plug the 1/4" stereo
phone plug from a pair of stereo headphones
into the front panel 

jack 

4.

• One or two separate sets of speakers may be
connected to the HK 3370. To listen to one of
the speaker sets press the 

buttons

67 on the front panel corresponding to the
desired speakers. The active speakers will be
indicated by a lit green LED in the 

Ù.Both speakers may be turned

off for private headphone listening.

• To program the HK 3370 for automatic turn
off, press the 

button on the front panel

( or remote ©. Each press of the button will
increase the time before shut down in the fol-
lowing sequence:

The sleep time will be displayed in the
Information Display and it will count down 
until the time has elapsed.

When the programmed time has elapsed the
unit will automatically turn off. Note that the
front panel display will dim to one half bright-
ness when the Sleep function is programmed.
To cancel the Sleep function, press the 

button 

( until the Sleep indicator numbers

disappear and the Information Display shows
the current source. Pressing any control button
while the Sleep control is activated will momen-
tarily return the Information Display to full
brightness for increased legibility without inter-
rupting the Sleep function.

The HK 3370’s tuner is capable of tuning AM,
FM and FM Stereo broadcast stations. Stations
may be tuned manually, or they may be stored
as favorite station presets and recalled from a
30-position memory.

Station Selection
1. Press the 

& buttons on the front

panel or on the remote 

ç to select the tuner

as an input.

2. Press these buttons again at any time to
switch between AM and FM.

3. To select stations, press, and briefly hold, the

button 

) †and the tuner will

search for the next highest or lowest frequency
station that has an acceptable signal. To tune
to the next station, press the button again. Tap
the 

button 

) † to advance one

frequency increment at a time, or press and
hold it to locate a specific station. When the
TUNED indicator illuminates, the station is
properly tuned and should be heard with clarity.

4. Stations may also be tuned directly by press-
ing the 

button 

J, and then pressing

the 

K that correspond to

the station’s frequency. The desired station will
automatically be tuned.

NOTE: When the FM reception of a station is
weak, audio quality will be increased by switch-
ing to Mono mode by pressing the 

button 

* ß until the STEREO indicator goes

out.

90

min

80

min

70

min

60

min

50

min

40

min

30

min

20

min

10

min

OFF

14 OPERATION

Preset Tuning
Up to 30 stations may be stored in the
HK 3370’s memory for easy recall using the
front panel controls or the remote.

To enter a station to the memory, first tune the
station using the steps outlined above. Then:

1. Press the 

button 

O on the

remote. Note that MEMO and PRESET
indicators will illuminate and flash in the
Information Display.

2. Within five seconds, press the 

K corresponding to the location where

you wish to store this station’s frequency.

3. Repeat the process after tuning any addition-
al stations to be preset.

Auto Preset
• Preset stations may also be programmed
automatically for the FM band. To automatically
enter each station that may be tuned with
acceptable quality into the HK 3370’s preset
memories, first select the FM band. Next, press
and briefly hold the 

button 

L

until the MEMO and PRESET indicators begin
to flash, and the station frequency indication
begins to increase. Release the button and note
that the tuner will search the entire FM band,
and stop briefly at each station that has accept-
able signal strength. The HK 3370 will automat-
ically assign a preset number to each station,
and then search for the next station. The auto-
matic scan process will stop when all 30 preset
memory locations have been filled or the entire
FM band has been scanned three times.

NOTE: Using the automatic tuning mode in
areas with more than 30 FM stations will com-
pletely fill the preset memories, and over-write
any previously memorized presets for either AM
or FM stations.

TIP: The automatic scan process may enter sta-
tions that you do not wish to retain in the
memory, or it may enter a station on more than
one frequency if the signal is too strong. These
unwanted stations may be removed from the
memory using the Preset Clear function out-
lined below.

Recalling Preset Stations
• To manually select a station previously
entered in the preset memory, press the

K that correspond to the

desired station’s memory location.

• To manually tune through the list of stored
preset stations one by one

,

press the 

buttons 

% ∂ on the front panel or remote.

• To automatically scan through the stations
entered in the preset memory, press the

button 

@ œ on the front

panel or remote. The tuner will run through the
list of preset stations, stopping for five seconds
at each one. Press the button again to stop the
scan at your desired station.

Clearing Preset Stations
Unwanted preset stations may be erased from
the unit’s memory to make it easier to tune
only those stations you want.

To remove a preset station from the HK 3370’s
tuner memory, first tune to the station using
the 

button 

@ œ on the front

panel or remote, or by entering the preset num-
ber directly, using the 

K.

When the preset station to be removed has
been tuned, first press the 

button

O. The MEMO and PRESET indicators in the
Information Display will flash, and the actual
preset number will disappear from the display.
Next, press the 

button 

N within five

seconds.

The preset station will be removed from the
memory, and the action will be confirmed by
the brief appearance of the word CLEAR and
the preset number location in the Information
Display. That memory location will now be
empty, and you may program a different station
to that location, or leave it empty.

In normal operation, the audio source selected
for listening through the HK 3370 is sent to the
Tape Mon Out and Tape 2 Rec Out outputs. This
means that any program you are listening to
may be recorded simply by placing machines
connected to the outputs for 

‚ or 

¤ in the record mode.

When a tape recorder with separate record and
playback heads is used, you may monitor the
output of the recording by selecting the 

9 ç. Note that the 

will illuminate in the

Û to remind you

that you are listening to the record playback
instead of the actual input source being 
recorded.

IMPORTANT NOTE: Please make certain that
you are aware of the copyright restrictions on
any material you copy.

This product is equipped with a memory backup
system that preserves tuner presets and system
configuration information if the unit is acciden-
tally unplugged or subject to a power outage.

In the rare case where the unit’s operation or
the displays seem abnormal, the cause may
involve the erratic operation of the system’s
memory or microprocessor.

To correct this problem, first unplug the unit
from the AC wall outlet and wait at least three
minutes. After the pause, reconnect the AC
power cord and check the unit’s operation. If
the system still malfunctions, a system reset
may clear the problem.

If the system still does not respond, it may be
necessary to perform a complete reset. To reset
the system, first turn the HK 3370 off by press-
ing the 

1 and then

releasing it so that it extends out beyond the
front panel and the word “OFF” is visible in red
lettering at the top of the switch.

Next, press and hold the 

and 

buttons 

9 # on the front

panel ONLY. While holding these buttons in,
press the 

1 in until it

latches so that the button is flush with the
front panel.

The Information Display will briefly show the
word RESET, and then return to normal
operation.

Note that when the system is reset in this fash-
ion, all tuner presets will be lost and must be
reentered.

If the system is still operating incorrectly, there
may have been an electronic discharge or
severe AC line interference that has corrupted
the memory or microprocessor.

If these steps do not solve the problem, consult
an authorized Harman Kardon service depot.

15 TROUBLESHOOTING GUIDE

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.

No lights illuminate when POWER button is pressed

Unit is plugged into a live outlet
Main power switch is pressed in

No sound is heard

Unit has not been muted
Correct input function selector button has been pressed
Volume is turned up
The speakers have been turned on using the Speaker Selectors

No output from one or more channels

Cables are not defective: check/replace speaker cables

Tuner sound has a large amount of interference, or

The antenna is properly connected

The “Stereo” display is not illuminated, or

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

The unit is away from fluorescent lights, TVs, motors and 
other electrical appliances

Stereo Mode 
Continuous Average Power (FTC)

70 Watts per channel, 20Hz–20kHz
@ < 0.07% THD, both channels driven into 8 ohms
95 Watts per channel, 20Hz–20kHz
@ < 0.2% THD, both channels driven into 4 ohms

Input Sensitivity/Impedance

Linear (High Level)

200mV/47kohms

Signal-to-Noise Ratio (IHF-A)

95dB

Frequency Response 

@ 1W (+0dB, –3dB)

10Hz–110kHz

High Instantaneous 
Current Capability (HCC)

±42 Amps

Transient Intermodulation 
Distortion (TIM)

Unmeasurable

Rise Time

16 µsec

Slew Rate

40V/µsec

Frequency Range

87.5–108MHz

Usable Sensitivity

IHF 1.12 µV/13.5dBf

Signal-to-Noise Ratio

Mono/Stereo 73/72dB

Distortion

Mono/Stereo 0.3/0.4%

Stereo Separation

40dB @ 1kHz

Selectivity

±400kHz, 65dB

Image Rejection

>80dB

IF Rejection

>100dB

Tuner Output Level

1kHz, ±100kHz Dev 500mV

Frequency Range

520–1710kHz

Signal-to-Noise Ratio

>40dB

Usable Sensitivity

Loop 500µV/M

Distortion

1kHz, 50% Mod 0.8%

Selectivity

±10kHz, >25dB

Power Requirement

AC 120V/60Hz

Power Consumption

72W idle, 332W maximum 
(both channels driven)

Dimension (Max)

Width

17.4 inches (442mm)

Height

6.1 inches (156mm)

Depth

16.3 inches (415mm)

Weight

24.6 lb (11.2kg)

Depth measurement includes knobs, buttons and terminal connections.

Height measurement includes feet and chassis.

All features and specifications are subject to change without notice.

Harman Kardon is a registered trademark, and Power for the digital 

revolution is a trademark, of Harman Kardon, Inc.

250 Crossways Park Drive, Woodbury, New York 11797 
www.harmankardon.com
© 2000 Harman Kardon, Incorporated 
Part #Y1AR-K2001-02A