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harman/kardon HK 980/230 Service Manual
harman/kardon Service Manual
HK 980/230
2 x 80W STEREO AMPLIFIER
CONTENTS
TECHNICAL SPECIFICATIONS 2 BLOCK DIAGRAM 8
REAR PANEL CONNECTIONS 3 SEMICONDUCTOR PINOUTS 9
FRONT PANEL CONTROLS 4 PCB DRAWINGS 24
REMOTE CONTROL INFORMATION 5 SCHEMATIC DIAGRAMS 32
AMP BIAS ADJUSTMENT 6 EXPLODED VIEW AND PARTS 38
WIRING DIAGRAM 7 ELECTRICAL PARTS LIST 40
Released EU2008 harman/kardon, Inc. Rev 0, 11/2008
250 Crossways Park Dr.
Woodbury, New York, 11797
Page 1 of 50
harman/kardon HK 980/230 Service Manual
Specifications
NOMINAL
Continuous Average Power Per Channel (FTC) 8 Ohms: 80 Watts@<0.09%THD
20 Hz 20 kHz, both channels driven 4 Ohms: 120 Watts@<0.3%THD
Dynamic Power (IHF, 1KHz Tone Burst) 8 Ohms: 115 Watts
4 Ohms: 200 Watts
2 Ohms: 295 Watts
1 Ohms: 380 Watts
High instantaneous current capability (HCC) ±80 Amps
Power Bandwidth @ Half-Rated output, 8¦¸ <10 Hz - 150 kHz
Frequency response @ 1W (+0/-3dB) 5 Hz - 150 kHz
Damping factor (20Hz-20k Hz) >125
Signal-to-noise Ratio (Reference rated power Tuner/CD 95 dB
output, A-WTD) Phono (MM): 75 dB
Input sensitivity/Impedance Tuner/CD 270mV/43k Ohms
Phono (MM): 4.0mV/47k Ohms
Overload: Tuner/CD 6V
Phono (MM): 90 mV
Tone control range, Bass @ 100 Hz/Treble @ ±10 dB/±10 dB
10 kHz
Power supply: AC 230V, 50 Hz
Power consumption: 410 W
Dimensions (Width x Height x Depth): 440 x 117 x 358 mm
Weight: 10.35 kg
Harman/kardon 250 Crossways Park Drive,Woodbury, New York 11797
www.harmankardon.com
Harman Consumer Group International:
2, Route de Tours, 72500 Château-du-Loir, France
© 2005 Harman Kardon, Incorporated
Part 5100-971500-000
Page 2 of 50
harman/kardon HK 980/230 Service Manual
Connections
Cassette Tape Deck CD Recorder
Record Player
Speaker System 1 Speaker System 1
Right channel Left channel
Input Output Input Output
L Left Left L L Left Left L
R right right R R right right R
R L R L R L L R L R
MODEL NO.:HK 980
NORTHRIDGE
GND CALIFORNIA, USA
RIGHT SPEAKER MADE IN P.R .C. REMOTE LEFT SPEAKER
SERIAL NO. IN OUT
AC INPUT
1 1
CAUTION: AC 230V~50Hz
SPEAKER IMPEDANCE IN OUT 410W
SHOCK H AZ ARD :DO NOT OPEN
4 MIN:SYSTEM 1 OR 2 1 AVIS:RISOUE D E CHOC EL ECTRIOU E- NE PAS OU VRI R 1
8 MIN:SYSTEM 1 & 2 PRE OUT PHONO CD OUT CDR IN AUX TV T UNER OUT T APE IN
ATTENTION:
IMPEDANCE DES
2 2 To wall
HAUT-PARLEURS
outlet
LEFT
LEFT
4 MIN:SYSTEM 1 OU 2
8 MIN:SYSTEM 1 ET 2 2 2
R IG HT
RIG HT FUSE
RIGHT SPEAKER LEFT SPEAKER T4AL /250V
T E RE K
PRE O UT PHONO CD IN CDR OUT AUX TV TUNER IN TAPE OUT IN
L R L R L R L R L R
Output Output Output
L R L R
L Left L Left L Left
L R L R
R right R right R right
AUDIO OUT AUDIO OUT
Right channel Left channel
Speaker System 2 Speaker System 2
External Power Amp Video Player 2 Video Player 1 Tuner Compact Disc Player
Connecting Other Components the Remote Input of another stereo IMPORTANT: When connecting two
1. Make sure your amplifier and other component. Continue this process to pairs of speakers, determine the
components are turned off. include additional components (if impedance of each pair by looking on
compatible). the back of the speakers, in your
2. Connect each component's owner's manual, or by contacting your
Output/Play jacks to the corresponding Connecting Speakers dealer or manufacturer.
Input jacks on the back of your amplifier 1. For best performance, use high
and, if available, the component's quality speaker cables. However, You can listen to two pairs of
Input/Record jacks to the Output jacks ordinary copper wire can be used if speakers at the same time ONLY if
of the HK 980. Use the white, black or the gauge meets the following the impedance of EACH speaker is
gray plugs to connect Left channel jacks; requirements: NOT LESS THAN 8 Ohms.
use the red plugs for Right channel
jacks. Wire Min. WARNING: Do not play sets of
Length Diameter speakers simultaneously except as
3. A record player with MM cartridge Up to 2.5 meter 1 mm recommended above. Amplifier may
must be connected to the Phono Input Up to 4 meter 1.25 mm overheat.
jacks and a separate ground wire to the Up to 6 meter 1.6 mm
ground terminal screw above. Above 6 meter 2-2.5 mm AC Power
Plug the cord into a 230 VAC wall
Wired Remote Control 2. Avoid rolling excess wire with or near socket. Power indicator will light up to
To control your amplifier with an signal interconnects. indicate power ON. To completely
external infrared remote sensor, disconnect the power input, the main
connect the wire from the remote sensor External Power Amplifiers plug must be disconnected from the
to the REMOTE IN jack on the back For applications where higher power is mains.
panel. Or, if another stereo component desired, connect the Pre-Out Jacks to
has a built-in infrared remote sensor the Main In Jacks of an external power
and a Remote Output jack, it may be amplifier. The level of the output can be
possible to connect this jack to the adjusted between -3 and +3 dB with an
REMOTE IN jack of your amplifier. All internal button. To adjust the level,
Harman Kardon products with »Remote gently insert a small screwdriver into the
In« and »Remote Out« jacks are button and turn clockwise to increase or
compatible with one another, except for counter-clockwise to decrease the
the Citation 22, 24 and 25. output level.
Other manufacturers' remote sensors
and components may not be compatible,
but it will not hurt to experiment. A
second wire may be used to connect
your amplifier's REMOTE OUT jack to
2 Page 3 of 50
harman/kardon HK 980/230 Service Manual
Controls and Functions
9
Volume
980
Speaker 1 Speaker 2 Source Source Direct Record Source Mode
Phones
3 4 5 6 7 8
1. Power Indicator: This LED will 4. Input Source Selector: Select 7. Mode Button: Press this button to
illuminate in amber when the unit is in desired input source for listening by make changes to the bass, treble and
the Standby mode to signal that the unit press-ing the "Input ource" button balance settings.
is ready to be turned on. repeatedly (on the left will select
When the unit is in operation, the ownwards, right upwards) until the 8. Headphone Jack: Plug in
indicator will turn white. display for he desired source is headphones if desired. With
illuminated. both "Speaker 1" and "2" selectors in the
2. System Power Control: Press this Off position, output is supplied only to
button to turn on the HK 980; press it 5. Source Direct: Press to bypass tone headphones.
again to turn the unit off (to Standby). control circuitry.
Note that the Power Indicator1next to 9. Volume Control: Turn to raise or
the switch will turn blue when the unit is 6. Record Source Selector: Select lower output volume.
on. desired ource for recording to device
connected to the rear panel Tape and
3. Speaker 1 /2 Selectors: Press to CDR Out sockets by pressing
select speaker pair 1 or 2, or both, or the "Record Source" button repeatedly
neither (headphone output only). until the display for the desired source is
illuminated.
Page 4 of 50
harman/kardon HK 980/230 Service Manual
Remote Control
Independent Remote Control Important Notes: Operating Conditions
The system remote of the HK 980 can · To remote control a tuner, CD The control unit operates effectively
within a distance of 7 meters and an
control the amplifier and compatible Recorder or CD Player, the
Tuners, CD Players and CD Recorders. angle of 30° from the amplifier. Using
appropriate input ("TUNER", "CDR"
The remote In jack of units without an the control near fluorescent lights may
or "CD") must have been selected
integrated IR receiver must be shorten this range, as will any dust or
with the source buttons of the remote
connected to the amplifier's remote dirt that accumulates on the front of the
control (selecting on the front panel is
control output jack so that the system remote control or the remote sensor
not sufficient).
remote control can operate them. area of the amplifier. Also avoid
The Function Table below will show all · Note that DVD players or tape decks blocking the line of sight between
functions of the HK 980 and external cannot be controlled by the remote. amplifier and remote.
devices that can be controlled by the HK
980 remote.
· To control a compatible CD The control unit is powered by two AA
Recorder "CDR" must be selected as batteries, included with your amplifier.
input and the drive to be controlled When you replace weak batteries,
(CDP or CDR) must be selected replace both at the same time. When
appropriately with the "CDP SELECT" the remote is to be unused for an
or "CDR SELECT" buttons. extended period, remove the batteries
to prevent damage from corros
Remote button functions
Button HK 980 CD Player Tuner
ON Power On - -
OFF Power Off - -
Tuner Select Tuner - -
Phono Select Phono - -
TV Select TV - -
Tape Select Tape - -
Aux Select Aux - -
CD Select CD - -
Volume+ Volume Up - -
CDR Select CDR - -
10+ - Current Track +10 -
Mode Select Mode - -
Folder+ - Next Folder -
10- - Current Track -10 -
Volume- Volume Down - -
Folder- - Previous Folder -
Previous - Skip Previous -
Play/Pause - Play/ Pause -
Next - Skip Next -
Search - Fast Reverse -
Stop - Stop -
Search - Fast Forward -
Open/Close - Open/ Close -
Scroll + - - Tuning Up
Repeat - Repeat Play -
Random - Random Play -
Scroll - - - Tuning Down
0 ~ 9 (Numeric Keys) - Track Select Preset Select
Auto - - Auto Tune
FM Mode - - FM Mode Select
RDS - - RDS Mode Select
Mute Mute Sound - -
Band - - Band Select
Select - - Tune Mode Select
HK 980
Page 5 of 50
harman/kardon HK 980/230 Service Manual
AMP Adjustment
Idling Adjustment
Precaution for handling measuring
instrument
The ground side of the measuring
instrument to be connected to the
speaker terminal of this unit must be
kept in floating condition because
this unit is equiped with the floating
balanced power amplifier.
Condition
* Start adjustment 20 minutes or
more after the power is turned on.
* Non loaded condition.
Idling Adjustment
Adjust VR1 so that the DC voltage of
TP1 becomes +10mV to +11mV.
Page 6 of 50
Power Cord in
Fuse
3P
IR Board CN9
harman/kardon
2P 2P 2P
CN1 CN8 CN1
3P
CN11
Left Amplifier Board Right Amplifier Board
2P
Main Board CN9
8P 8P
CN2 CN2
6
8P
CN2
3P 1.00-20P 3P
CN3 5P 6P CN6 CN3
CN5 CN7
3P 8P 4P
CN3 CN1 CN10
Volume Board
4P
CN12
2P
CN7 3P
CN11
Transformer
2P
CN6
Power Board
1.00-100P
2P CN1 Phone Board
CN5
3P
Display Board
3P 2P
CN8 CN10 CN3
2P
Light Board
CN2
Page 7 of 50
HK 980/230 Service Manual
HK980x
Pre Amplifier(1 channel only) & MCU Board Headphone OUT
CD-in
TPA6120A
TUNER-in
VOL
AUX-in TONE
WM8816
harman/kardon
Buffer Op amp Buffer +6dB Relay_1 AMP X
Source Op amp -6dB
NJW1119A
CDR-in Switch
NJU7311AM
TAPE-in
I2C /CS I2C /CS/MUTE
Relay_2 Pre_ OUT
TV-in Class A Relay_3
TONE Control(SPI)
PHONO-in
phono amp
R2_Ctrl
R1_Ctrl
I2C /CS CDR_CUT
TAPE_CUT
Record
IR_OUT Switch
NJU7311AM CDR-OUT
CDR/TAPE OUT CUT
Buffer
TAPE-OUT
NJU201AM
IR_IN
mcu+5v F1 F2
mcu+5v
-30V +5v +12V
MCU
Interface
Manostat
Rectifier Rectifier Rectifier +15v -15v
Power on/off
Standby
Rectifier +14v
Transformer
Relay_8 Main plug Left Amplifier Board
Fuse Board Amp L Speaker L1
Amplifier Relay_4
Main R2_Ctrl
Transformer +48V
Speaker L2
Rectifier Relay_5
Front Panel Board -48V
R2_Ctrl
-30V
Right Amplifier Board
Amp L Speaker L1
Amplifier Relay_6
Driver 74HC4094 R2_Ctrl
+48V
F2
F1
H/P OUT
Speaker L2
Rectifier Relay_7
IR -48V
VFD H/P KEY Master VOL
Rx R2_Ctrl
Page 8 of 50
HK 980/230 Service Manual
harman/kardon HK 980/230 Service Manual
IC1
IC3
TC4094 NJU7311AM
3 14 2 29
CLK Q5
3 28
2 13 4 27
D Q6 5 26
1 12 25
Level Shifter
6
Latch Circuit
Latch Circuit
Level Shifter
STR Q7 7 24
15 4 8 23
OE Q1 9 22
16 5 10 21
VDD Q2 11 20
8 6 12 19
VSS Q3
13 17
NC DATA
Control Circuit
9 7 18 CLK
16
QS Q4 NC
ST
14
VDD
VEE
VSS
10 11
CS Q8
30
15
1
IC7
NJW1119AV
IC1
SM5964C40J(PLCC44)
32 1
inB inA
31 2
34
35
36
37
38
39
40
41
42
43
44
GND GND
30 3
20
18
SWCB SWCA
1
3
P4.1
P0.7
P0.6
P0.5
P0.4
P0.3
P0.2
P0.1
P0.0
EA#
VCC
29 4 1