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HK670
Integrated Amplifier

PRELIMINARY
Service Technical Manual

Harman International SNC - Harman Consumer International 2, route de Tours 72500 Château du Loir FRANCE
Introduction

Congratulations on your choice of the General instructions Moving the Unit
Harman Kardon HK670 Integrated Amplifier. Before moving the unit, be sure to pull out the
Always Use at 230V AC power cord from the AC outlet and disconnect
In order to obtain the best performance from This unit is designed for operation with 230V the interconnection cords with other units.
this integrated amplifier, please be sure to read AC. Use only domestic AC outlets. Connecting
this owner's manual and use your integrated the unit to an outlet supplying a higher voltage Do Not Open the Cabinet
amplifier only in accordance with its instructions. may create a fire hazard. To prevent shock hazard, do not tamper with
internal components for inspection or mainte-
The special features of this unit include: Handle the Power Cord Gently nance. Harman Kardon does not guarantee
HCC Do not disconnect the plug from the AC outlet against performance degradation resulting from
(High Instantaneous Current Capability) by pulling the cord; always pull the plug itself. any modification. If water, a hairpin or wire acci-
The amplifier sections react rapidly to musical Pulling the cord may damage it. If you do not dentally enters the unit, immediately pull the
transients, providing the instantaneous current intend to use your unit for any considerable plug from the AC outlet to prevent shock and
necessary to precisely drive and control nearly length of time, turn the unit off completely by consult an authorized Harman Kardon service
any loudspeaker system. pressing the round Power button above "Power" station. If you use the unit under this condition,
(see page 5). Do not place furniture or other it may cause a fire shock hazard.
Ultrawide Bandwidth heavy objects on the cord, and try to avoid drop-
The bandwidth of this unit is exceptionally wide ping heavy objects on it. Also do not tie a knot Cleaning
and is independent of negative feedback. This in the power cord. Not only may the cord be If the unit gets dirty, wipe it with a soft dry cloth.
improves transient accuracy and phase linearity. damaged, it can also cause a short circuit with a If necessary, wipe it with a soft cloth dampened
consequent fire hazard. with mild soapy water and then with a dry cloth.
Low Negative Feedback
Never use benzene, thinner, alcohol or other
This unit has been designed to have low distor- Place of installation volatile agents, and avoid spraying an insecticide
tion and wide bandwidth without high negative Place the unit on a firm and level surface. Avoid near the unit.
feedback. This further improves its dynamic installing your unit under the following condi-
accuracy. tions: Warning Signs
If you detect an abnormal smell or smoke, imme-
Discrete Component Circuitry I Moist or humid places. diately turn the amplifier off and unplug the
In order to achieve the above goals, all discrete
I Places exposed to direct sunlight or power cord. Contact your dealer or nearest
electronic circuitry has been employed. No avail-
close to heating equipment. Harman Kardon service center.
able integrated circuits could provide this high
level of performance. I Extremely cold locations. Packaging
I Places subject to excessive vibration Save all packing material. It is essential for ship-
Sophisticated Electronic
or dust. ping, should you move, or in the event the unit
Protection Circuitry
ever needs repair.
Harman Kardon's unique protection circuitry I Poorly ventilated places.
guards the amplifier from short circuit or dam-
Do not obstruct the ventilation slots on the top
aged speakers and wires, without impairing
surface of the unit by placing objects on them.
sound quality by the use of current limiting or
Otherwise, the temperature inside the unit may
output relays.
rise, possibly affecting its long-term reliability.

INTRODUCTION 3
Connections

Speaker System 1 Record Player Cassette Tape Deck CD Recorder Speaker System 1
Right channel Left channel

Right channel Left channel
Speaker System 2 Speaker System 2

Video Player 2 Video Player 1 Tuner Compact Disc Player

Connecting Other Components Continue this process to include additional com- IMPORTANT: When connecting two pairs of
1. Make sure your amplifier and other compo- ponents (if compatible). speakers, determine the impedance of each pair
nents are turned off. by looking on the back of the speakers, in your
Connecting Speakers
owner's manual, or by contacting your dealer or
2. Connect each component's Output/Play jacks 1. For best performance, use high quality speak-
manufacturer.
to the corresponding Input jacks on the back er cables. However, ordinary copper wire can
of your amplifier and, if available, the compo- be used if the gauge meets the following You can listen to two pairs of speakers at
nent's Input/Record jacks to the Output jacks requirements: the same time ONLY if the impedance of
of the HK670. Use the white, black or gray EACH speaker is NOT LESS THAN 8 Ohms.
Wire Min.
plugs to connect Left channel jacks; use the
Length Diameter
red plugs for Right channel jacks. WARNING: Do not play sets of speakers simul-
Up to 2.5 meter 1 mm
taneously except as recommended above. Ampli-
3. A record player with MM cartridge must be Up to 4 meter 1.25 mm
fier may overheat.
connected to the Phono Input jacks and a Up to 6 meter 1.6 mm
separate ground wire to the ground terminal Above 6 meter 2-2.5 mm Digital Loop-Through
screw above. Digital inputs and outputs are provided only as a
2. Avoid rolling excess wire with or near signal
convenience for connecting various digital com-
Wired Remote Control interconnects.
ponents to the "CD", "CDR" and "AUX" digital
To control your amplifier with an external
inputs. The corresponding digital input signal is
infrared remote sensor, connect the wire from
fed to the "DIGITAL OUT" connector when
the remote sensor to the REMOTE IN jack on the
"CD", "CDR" or "AUX" is selected as input
back panel. Or, if another stereo component has
source, to provide a digital signal for CD or MD
a built-in infrared remote sensor and a Remote
Recorders. The HK670 cannot process, decode or
Output jack, it may be possible to connect this
convert any digital signal.
jack to the REMOTE IN jack of your amplifier. All
Harman Kardon products with »Remote In« and AC Power
»Remote Out« jacks are compatible with one Plug the cord into a 230 VAC wall socket.
another, except for the Citation 22, 24 and 25.
Other manufacturers' remote sensors and com-
ponents 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
the Remote Input of another stereo component.

4 CONNECTIONS
Controls and Functions

HK 670

Power switches Headphone Jack Bass Control
Press the round Power button (above "Power") Plug in headphones if desired. With both Turn to increase or decrease the amount of low
to turn the amplifier on for the first time. The "Speaker 1" and "2" selectors in the Off posi- frequency sound.
status LED behind the flat "Power" button will tion, output is supplied only to headphones.
Treble Control
turn orange. Once the unit has been turned on
Speaker 1 / 2 Selectors Turn to increase or decrease the amount of high
with the round power button, this button should
Press to select speaker pair 1 or 2, or both, or frequency sound.
be left on for normal use and only turned off
neither (headphone output only).
when the amplifier will not be used for extended Balance Control
periods of time (vacation, etc.). For daily use, Input Source Selector Turn to adjust relative output level of left and
press the flat "Power" button to turn the ampli- Select desired input source for listening by press- right speakers.
fier on or off (Standby). In Standby the LED will ing the "Input Source" button repeatedly (on the
Volume Control
glow orange, indicating that the unit is still con- left will select upwards, right downwards) until
Turn to raise or lower output volume.
nected to AC mains and can be turned on from the indicator for the desired source is illuminated.
the remote control or with the flat "Power" but- Source Direct
Record Source Selector
ton. Press to bypass tone control circuitry.
Select desired source for recording to device
connected to the rear panel Tape and CDR Out
sockets by pressing the "Record Source" button
repeatedly until the indicator for the desired
source is illuminated.

Indicates source Indicates source
selected for listening. selected for recording.

HK 670

Speaker 1 and 2 Source Direct indicator
indicators light up lights up when "Source
LED Power Mode indication
when the correspon- Direct" button has been
Red = Protection ding speaker pairs pressed to bypass bass
Orange = Standby have been selected. and treble controls.
Green = ON

CONTROLS AND FUNCTIONS 5
Remote Control

Independent Remote Control Important Notes: Operating Conditions
The system remote of the HK670 can control the · For controlling a tuner (only needed for the The control unit operates effectively within a dis-
amplifier and compatible Tuners, CD Players and numeric buttons), CD Recorder or CD Player tance of 7 meters and an angle of 30° from the
CD Recorders. The remote In jack of units without the appropriate input ("TUNER", "CDR" or amplifier. Using the control near fluorescent
an integrated IR receiver must be connected to "CD") must have been selected with the lights may shorten this range, as will any dust or
the amplifier's remote control output jack so that source buttons of the remote control (selecting dirt that accumulates on the front of the remote
the system remote control can operate them. on the front panel is not sufficient). control or the remote sensor area of the amplifi-
· Note that DVD players or tape decks cannot er. Also avoid blocking the line of sight between
The Function Table below will show all functions
be controlled by the remote. amplifier and remote.
of the HK670 and external devices that can be
· To control a compatible CD Recorder "CDR"
controlled by the HK670 remote. The control unit is powered by two AA batteries,
must be selected as input and the drive to be
included with your amplifier. When you replace
controlled (CDP or CDR) must be selected
weak batteries, replace both at the same time.
appropriately with the "CDP SELECT" or "CDR
When the remote is to be unused for an extend-
SELECT" buttons.
ed period, remove the batteries to prevent dam-
age from corrosion.

Remote button functions
Button HK670 CD Player CD Recorder Tuner
POWER/OFF Power On/Off - - -
1 2 3 POWER
II (Fast Forward) - Fast Forward Fast Forward -
HH (Fast Reverse) - Fast Reverse Fast Reverse -
JH (Skip Reverse) - Skip Reverse Skip Reverse - 4 5 6 OFF
IK (Skip Forward) - Skip Forward Skip Forward -
A (Stop) - Stop Stop -
I (Play) - Play Play -
7 8 9 CD

0 ~ 9 (Numeric Buttons) - Track Select Track Select Preset Select
CD Source Select - - - 0 RDS AUX CDR
CDR Source Select - - -
AUX Source Select - - - SELECT
TV Source Select - - - CDP CDR TV

TUNER Source Select - - -
CD / CDR
PHONO Source Select - - - TUNER
TUNER
TAPE Source Select - - -
CDP SELECT - - CDP Drive Select 1) -
CDR SELECT - - CDR Drive Select 1) - PHONO
RDS - - - RDS Display Select
TUNER D - - - Tuning Up VOLUME
TAPE
TUNER E - - - Tuning Down
VOLUME D Volume Up - - -
VOLUME E Volume Down - - -
1) Only needed with CD Recorders

HK 670

6 REMOTE CONTROL
Operating Instructions

Listening to your CD player, tape 4. Begin playing the desired source. Making a recording
deck, tuner or other source 5. Adjust the Volume control to the desired level. You may record any source to tape or to CD-R or
1. Turn Volume control to minimum level and 6. Adjust Bass, Treble and Balance controls as to both simultaneously. You may also connect a
press the round Power button (above desired (the Source Direct function must be second tape deck to the CDR inputs and outputs
"Power") to turn the unit to Standby, the turned off). to record from tape to tape (in either direction).
power indicator below will light orange. Then
7. Press "Source Direct" until the "Source To select the desired source for recording (this
press the flat Power switch to turn on the
Direct" indicator lights up to bypass the tone can be a different source than the one being
amplifier. The power indicator lights red for a
control and balance circuitry to ensure purest listened to), press the "Record Source" button
few seconds, while the protection circuitry
sound performance. Press again to turn the on the front panel repeatedly until the indicator
checks for short circuit or other problems, and
bypass function off and to make the tone and for the desired record source is illuminated.
then it lights green.
balance controls function again. NOTE: The record output signal is taken directly
2. Press "Speaker 1" to hear loudspeakers con-
from the program source and is unaffected by
nected to the rear Speakers 1 terminals. Press
the Volume, Bass, Treble or Balance controls.
"Speaker 2" to hear loudspeakers connected
to the rear Speakers 2 terminals. Press both to Important Notes:
hear both speaker pairs at once. To listen to · The functions "Source Direct" and "Record
headphones only, press to turn off any active Source" can be selected on the front panel
speaker pair. only, not from the remote control.
· 3-head cassette decks with monitoring func-
3. Select desired source for listening by pressing
tion can be connected to "Tape" or "CDR"
the front panel Source button repeatedly until
connectors too, but their monitoring function
the indicator for the desired source is illumi-
cannot be used.
nated or by pressing the desired Source but-
ton on the remote.

OPERATING INSTRUCTIONS 7
Troubleshooting

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...
No lights illuminate when power cord is plugged into AC outlet. · The unit is plugged into a live outlet.
· The round power button above "Power" on the front panel is pressed in.
No sound is heard. · Speaker switches corresponding to the desired speakers are pressed.
· Correct source button has been pressed.
· Volume is turned up.
· Speaker wires are connected properly.
· Hook-up wires to source component are connected properly.
Sound is not heard from the speaker system on one side. · The speaker wires and connection wires are connected correctly.
· The balance control knob is set to the center.
When listening to stereo sound, the left and right sounds are reversed. · The speaker wires are connected correctly.
· The wires between components are connected correctly.
Intermittent or continuous buzzing or hissing. · The unit is away from fluorescent lights, TV, motors and other electrical appliances.
The remote control and front panel controls don't appear to work. · Disconnect the AC line cord from the wall socket, wait 5 minutes and then re-connect it.
Humming noise when listening to LP · Ground wire from record player has been connected to ground terminal on amplifier.
· Cable from record player is away from power cords and speaker cables.
Howl or ringing when listening to LP. · Record player is not to close to speakers.
· Record player is on stable surface.
Low sound level when listening to LP. · Cable from record player is connected to the Phono jacks.
· The phono cartridge is MM, not MC.

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, 1 kHz Tone Burst) 8 Ohms: 115 Watts
4 Ohms: 200 Watts
2 Ohms: 310 Watts
High instantaneous current capability (HCC) ±75 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 output, A-WTD) Tuner/CD 95 dB
Phono (MM): 75 dB
Input sensitivity/Impedance Tuner/CD 270mV/43k Ohms
Phono (MM): 4.0mV/47k Ohms
Overload: Tuner/CD 6V
Phono (MM): 110 mV
Tone control range, Bass @ 50 Hz/Treble @ 10 kHz ±10 dB/±10 dB
Power supply: AC 230V, 50/60 Hz
Power consumption: 345 W
Dimensions (Width X Height X Depth): 439 X 110 X 395 mm
Weight: 10.35 kg

8 TROUBLESHOOTING/SPECIFICATIONS
KEY Control Board
POWER SUPPLY Board
DIGITAL INPUT / OUTPUT
Board
TONE CONTROL Board
INPUT / OUTPUT
Board
LEFT AMP Board
RIGHT AMP Board
REMOTE SENSOR Board
HK670 ELECTRICAL PART LIST
POWER SUPPLY BOARD ASSEMBLY
Reference Part Number Description Quality
9467-015000-071 HK670 POWER SUPPLY BOARD ASSY REV A
Resistor
R604 1001-000320-000 CARBON FILM RESISTOR 10 OHM 2W +-5% 1
R1, R2 1011-001014-020 METAL FILM RESISTOR 100 OHM 1/4W +-1% AXIAL TAPE 2
R4, R12 1011-002018-020 METAL FILM RESISTOR 1K OHM 1/8W +-1% AXIAL TAPE 2
R601 1011-003016-020 METAL FILM RESISTOR 10K 1/6W +-1% AXIAL TAPE 1
R8, R10, R602, R603 1011-004018-020 METAL FILM RESISTOR 100K OHM 1/8W +-1% AXIAL TAPE 4
R9, R11 1012-203018-020 METAL FILM RESISTOR 22K OHM 1/8W +-1% AXIAL TAPE 2
R13 1014-701018-020 METAL FILM RESISTOR 470 OHM 1/8W +-1% AXIAL TAPE 1
R6, R7 1014-702018-020 METAL FILM RESISTOR 4.7K OHM 1/8W +-1% AXIAL TAPE 2
R3, R5 1016-800014-020 METAL FILM RESISTOR 68 OHM 1/4W +-1%AXIAL TAPE 2
Capacitor
C607, C609, C618, C621 1100-104044-000 CERAMIC CAP. 0.1uF/50V +-20% 4
C3, C4, C5, C6 1102-101024-000 ELECT. CAP. 100UF/25V +-20% 4
C1, C2 1102-220024-000 ELECT. CAP. 22UF/25V +-20% 2
C614, C615, C619 1102-221024-000 ELECT. CAP. 220UF/25V +-20% 3
C606 1102-222024-001 ELECT. CAP. 2200 UF/25V +-20% NIPPON CHEMI-CON 1
C603 1102-470024-000 ELECT. CAP. 47UF/25V +-20% 1
C608 1102-471014-000 ELECT. CAP. 470uF/16V +-20% 8X12MM 1
C601 1102-471024-000 EL.CAP. 25V470UF CUT +-20% 1
C610, C611 1102-471024-002 ELECT. CAP. 470uF/25V +-20% 10x12.5mm 2
C612, C613, C616, C617 1117-104053-000 METALLIZED POLYE CAP. 0.1UF/63V +-10% BOX P=5MM 4
Transistor, Diode
Q1, Q602, Q605, Q607, Q608, Q609 1300-100300-100 TRANSISTOR NPN KSR1003 (SAMSUNG) 6
Q606, Q610 1300-805000-100 TRANSISTOR NPN 8050D TO92 SAMSUNG 2
D605, D606 1401-101000-000 BRIDGE RECTIFIER DB101 50V 1A UL 2
D602, D603, D604 1401-141480-010 DIODE 1N4148 TAPE 3
Coil, Connector, Cable
L601 1503-000000-100 BEAD COIL FB-35608 C.T.C. 1
CN4 2300-003000-001 STRAIGHT CONN WAFER 3PIN 2MMP JST 1
CN605 2300-005100-001 STRAIGHT CONN WAFER 5PINS 2.5MMP JST (JAPAN) 1
CN601 2300-006000-001 STRAIGHT CONN WAFER 6 PIN 2MMP JST 1
CN604 2301-012900-000 12PIN FILM TYPE CABLE STRAIGHT CONN 1
CN2 2301-013900-000 13PIN FILM TYPE CABLE STRAIGHT CONN 1
CN1 2301-016901-000 16PIN FILM TYPE CABLE STRAIGHT CONN 1
CN607 2501-037501-150 3PI 750MM 2CONN CABLE AWG#28 2MMP 1BOARD-IN(BLACK) 1
CN606 2501-070701-150 7PIN 70MM 2CONNCABLE AWG#28 2MMP1BOARD-IN(BLACK) 1
CN603 2501-082201-150 8PIN 220MM 2CONNCABLE AWG#28 2MMP1BOARD-IN(BLACK) 1
CN602 2501-092001-150 9PIN 200MM 2CONNCABLE AWG#28 2MMP1BOARD-IN(BLACK) 1
CN3 2511-031501-151 3P.150MM 2CONNSHIELD CABLEAWG#28 2MMP1BOARD-IN(B. 1
Fuse
F602, F603 4030-100000-001 SLOW BLOW MICRO FUSE 1A 2
F601 4030-125000-002 FUSE 1A 250V GLASS TABE 5X20MM BSI 1
F601 4031-000003-002 FUSE HOLDER 5X20MM HF-003A MILKY (HOLLYLAND) 1
IC
U1 4145-600001-600 I.C. NJM4560L 8PINS SIL (NJRC) 1
U601 4178-050334-700 I.C. L7805CV TO220 THOMSON 1
U603, U604 4178-120301-600 I.C. NJM7812FA 2
U602 4179-120301-600 I.C. NJM 7912FA 1
U2 4181-700010-000 I.C. LTV817B LITON 1
PCB, Screw, Heatsink
4867-000070-001 HK670 POWER SUPPLY BOARD REV A 1
U601/U604 6531-150222-000 REGULATOR HEATSINK PLATE 1
U602, U603 6542-110203-000 CD421 HEAT SINK 2
U601, U602, U603, U604 7003-006003-111 SCREW M3X6 B.T.B. B/H (BLACK) 1

PRE-AMP BOARD ASSEMBLY
Reference Part Number Description Quality
9467-015000-571 HK670 I/O BOARD ASSY REV A
Resistor
R831, R832 1011-001014-020 METAL FILM RESISTOR 100 OHM 1/4W +-1% AXIAL TAPE 2
R43, R44, R50, R55 1011-001018-020 METAL FILM RESISTOR 100 OHM 1/8W +-1% AXIAL TAPE 4
R3, R4, R5, R6, R9, R10, R11, R12, R13, 1011-002018-020 METAL FILM RESISTOR 1K OHM 1/8W +-1% AXIAL TAPE 36
R14, R17, R18, R19, R20, R23, R24, R25,
R26, R29, R30, R31, R32, R35, R36, R37,
R38, R39, R40, R41, R42, R48, R49, R56,
R57, R802, R817
R47, R51, R815, R830 1011-004018-020 METAL FILM RESISTOR 100K OHM 1/8W +-1% AXIAL TAPE 4
R809, R823 1012-702918-020 METAL FILM RESISTOR 2.7K OHM 1/8W +-0.5% TAPE 2
R807, R821 1012-704918-020 METAL FILM RESISTOR 270K OHM 1/8W +-0.5% TAPE 2
R59, R76, R77 1013-300018-020 METAL FILM RESISTOR 33 OHM 1/8W +-1% AXIAL TAPE 3
R813, R829 1013-301016-020 METAL FILM RESISTOR 330 OHM 1/6W +-1% AXIAL TAPE 2
R814, R828 1013-302016-020 METAL FILM RESISTOR 3.3K OHM 1/6W +-1% AXIAL TAPE 2
R806, R810, R820, R824 1013-304918-020 METAL FILM RESISTOR 330K OHM 1/8W +-0.5% TAPE 4
R808, R822 1013-903918-020 METAL FILM RESISTOR 39K OHM 1/8W +-0.5% AXIAL TAPE 2
R804, R826 1014-701018-020 METAL FILM RESISTOR 470 OHM 1/8W +-1% AXIAL TAPE 2
R1, R2, R7, R8, R15, R16, R21, R22, R27, 1014-703018-020 METAL FILM RESISTOR 47K 1/8W +-1% AXIAL TAPE 14
R28, R33, R34, R801, R816
R811, R812, R825, R827 1016-800016-020 METAL FILM RESISTOR 68 OHM 1/6W +-1% AXIAL TAPE 4
R803, R818 1016-802018-020 METAL FILM RESISTOR 6.8K 1/8W +-1% AXIAL TAPE 2
R805, R819 1018-201918-020 METAL FILM RESISTOR 820 OHM 1/8W +-0.5% TAPE 2
Capacitor
C17, C18, C25, C26, C47 1100-101042-000 CERAMIC CAP. 100PF/50V +-5% 5
R802-G, R817-G 1100-104044-000 CERAMIC CAP. 0.1uF/50V +-20% 2
C5, C6, C7, C8, C9, C10, C11, C12, C13, 1100-221043-000 CERAMIC CAP. 220pF/50V +- 10% 12
C14, C16, C16
C807, C809, C812, C814 1101-202062-000 POLYESTER/MYLAR CAP. 0.002UF/100V +-5% 4
C806, C811 1101-562062-000 POLYESTER/MYLAR CAP. 5600PF/100V +-5% 2
C19, C21, C28, C29, C36, C38, C815, 1102-100024-000 ELECT. CAP. 10UF/25V +-20% 8
C816
C23, C24 1102-471024-002 ELECT. CAP. 470uF/25V +-20% 10x12.5mm 1
C27, C30, C31, C33, C808, C813 1102-477044-000 ELECT. CAP. 4.7uF/50V +-20% 6
C801, C803 1105-220044-000 NON-POLARIZED CAP. 22UF/50V +-20% 2
C805, C810 1105-471014-000 NON-POLARIZED CAP. 470UF/16V +-20% 2
C1, C2, C3, C4 1114-201042-001 POLYPROPY LENE CAP. 200P/50V +-5% (RODAN) 4
C20, C22, C32, C34, C43, C44 1117-104053-000 METALLIZED POLYE CAP. 0.1UF/63V +-10% BOX P=5MM 6
C802, C804 1181-151042-000 CERAMIC CAP. 150PF/50V +-5% NPO+- 60PPM 2
Transistor
Q801, Q802, Q803, Q805, Q806, Q807, 1300-945000-100 TRANSISTOR NPN KSC945-Y (SAMSUNG) 8
Q808, Q810
Q804, Q809 1301-273300-101 TRANSISTOR PNP 2SA733Y 2
Connector, Jack
CM1 2300-003000-001 STRAIGHT CONN WAFER 3PIN 2MMP JST 1
CN5 2300-004000-002 STRAIGHT CONN WAFER 4PINS 2MMP JST 1
CN4 2300-006000-001 STRAIGHT CONN WAFER 6 PIN 2MMP JST 1
CN1 2301-016901-000 16PIN FILM TYPE CABLE STRAIGHT CONN 1
RCA1 2330-003990-001 RCA JACK 2P 202 R/W (GOLD) 1
RCA3 2330-006990-001 RCA JACK 4P 402 R/R/W/W WITH SHIELD PLATE (GOLD) 1
RCA2, RCA4 2330-009990-001 RCA JACK 6P 602 R/R/R/W/W/W WITH SHIELD PLATE GOLD 2
IC
U5 4120-100101-600 I.C. NJU201A 28PINS SOP (JRC) 1
U4 4155-320052-900 I.C.5532P DIP (TI) 1
U2 4173-110051-600 IC NJU7311L 28P DIP JRC 1
U1 4173-130051-600 IC NJU7313L 28P DIP JRC 1
PCB
4867-000570-001 HK670 I/O BOARD REV A 1

LEFT AMPLIFIER BOARD ASSEMBLY
Reference Part Number Description Quality
9467-015001-091 HK670 LEFT CHANNEL POWER AMPLIFIER ASSY REV A
Resistor
R24, R26 1011-000016-020 METAL FILM RESISTOR 10 OHM 1/6W +-1% AXIAL TAPE 2
R28, R29, R31, R37 1011-001018-020 METAL FILM RESISTOR 100 OHM 1/8W +-1% AXIAL TAPE 4
R2, R22 1011-002018-020 METAL FILM RESISTOR 1K OHM 1/8W +-1% AXIAL TAPE 2
R33 1011-003016-020 METAL FILM RESISTOR 10K 1/6W +-1% AXIAL TAPE 1
R1 1011-004018-020 METAL FILM RESISTOR 100K OHM 1/8W +-1% AXIAL TAPE 1
R11 1011-072016-020 METAL FILM RESISTOR 1.07K OHM 1/6W +-1% AXIAL TAPE 1
R19, R20 1011-201016-020 METAL FILM RESISTOR 120 OHM 1/6W +-1% AXIAL TAPE 2
R18, R25, R34, R42 1011-503016-020 METAL FILM RESISTOR 15K OHM 1/6W +-1% AXIAL TAPE 4
R6, R7 1011-801016-020 METAL FILM RESISTOR 180 OHM 1/6W +-1% AXIAL TAPE 2
R4, R5, R46 1012-002016-020 METAL FILM RESISTOR 2K OHM 1/6W +-1% TAPE 3
R9 1012-491016-020 METAL FILM RESISTOR 249 OHM 1/6W +-1% TAPE 1
R27 1013-301016-020 METAL FILM RESISTOR 330 OHM 1/6W +-1% AXIAL TAPE 1
R3, R10 1013-323016-020 METAL FILM RESISTOR 33.2K OHM 1/6W +-1% TAPE 2
R12, R13, R14, R15, R16, R17 1014-701018-020 METAL FILM RESISTOR 470 OHM 1/8W +-1% AXIAL TAPE 6
R8, R41 1014-703018-020 METAL FILM RESISTOR 47K 1/8W +-1% AXIAL TAPE 2
R21 1015-602016-020 METAL FILM RESISTOR 5.6K OHM 1/6W +-1% AXIAL TAPE 1
VR1 1065-001600-171 SEMI-FIXED RESISTOR 500 OHM +-30% PA0630-VA1-B501 1
R30, R32, R35, R36 1092-208310-020 METAL OXIDE RESISTOR 0.22 OHM 1W +-5% AXIAL TAPE 4
R43 1095-107310-020 METAL OXIDE RESISTOR 5.1 OHM 1W +-5% AXIAL TAPE 1
R44, R45 1096-802320-020 METAL OXIDE RESISTOR 6.8K OHM 2W +-5% AXIAL TAPE 2
Capacitor
C26, C27 1100-104064-000 CERAMIC CAP. 0.1UF/100V +/-20% 2
C12 1101-104063-000 POLYESTER/MYLAR CAP. 0.1UF/100V +-10% 1
C7 1102-100024-000 ELECT. CAP. 10UF/25V +-20% 1
C20 1102-101024-000 ELECT. CAP. 100UF/25V +-20% 1
C17, C18 1102-123054-001 ELECT. CAP. 12000uF/63V +-20% (NICHICON) 2
C9 1102-337044-000 ELECT. CAP. 3.3uF/50V +-20% 1
C3, C4 1102-470054-000 ELECT CAP. 47UF/63V +-20% 2
C2, C5 1102-471024-002 ELECT. CAP. 470uF/25V +-20% 10x12.5mm 2
C8 1114-181062-000 POLYPROPYLENE CAP. 180P/100V +-5% 1
C13, C14 1114-224093-000 METALLIZED POLYPROPYLENE CAP. 0.22UF/250V +-10% 2
C1 1114-271062-000 POLYPROPYLENE CAP. 270PF 100V +-5% 1
C6 1181-307042-000 CERAMIC CAP. 3PF/50V +-5% NPO 1
Transistor, Diode
Q3, Q4 1300-060000-100 TRANSISTOR NPN MPSA06 TO92 2
Q23, Q24 1300-174000-100 TRANSISTOR NPN 2SC1740 TO-92 2
Q1, Q2 1300-224000-100 TRANSISTOR NPN 2SC2240-GR TO-92 (TOSHIBA) 2
Q9, Q12 1300-350200-800 TRANSIISTOR NPN 2SC3502 TO126 (SANYO) 2
Q6, Q18 1300-422000-100 TRANSISTOR NPN BF422 (PHILIPS) 2
Q10, Q13 1300-479300-200 TRANSISTOR NPN 2SC4793 (TOSHIBA) 2
Q16, Q17 1300-524209-900 TRANSISTOR NPN 2SC5242-O (TOSHIBA) 2
Q8, Q14 1301-138000-800 TRANSIISTOR PNP 2SA1380 TO126 (SANYO) 2
Q15 1301-183700-200 TRANSISTOR PNP 2CA1837 (TOSHIBA) 1
Q19, Q20 1301-196209-900 TRANSISTOR PNP 2SA1962-O (TOSHIBA) 2
Q5, Q7 1301-423000-100 TRANSISTOR PNP BF423 (PHILIPS) 2
D5, D7, D8 1401-140010-000 DIODE 1N4001 3
D1, D2, D6, D9, D10, D11 1401-141480-010 DIODE 1N4148 TAPE 6
BR1 1401-802000-000 DIODE BRIDGE RS802 1
D3, D4 1404-181001-200 HIGH VOLTAGE SWITCHING DIODE 1SS81(HITACH) TAPE 2
Coil, Inductor
L3 1502-047400-900 AUDIO FILTTER L=4UH R=1 +-20% LR0515-R40M 1
L1, L2 1503-000000-100 BEAD COIL FB-35608 C.T.C. 2
Connector
CN1 2300-002000-001 STRAIGHT CONN WAFER 2PIN 2MMP JST 1
TP1 2300-002100-000 STRAIGHT CONN. WAFER 2 PINS 2.5mmP 1
CN3 2300-003400-001 STRAIGHT CONN WAFER 3PIN 3.96MMP JST 1
CN2 2300-008000-002 STRAIGHT CONN WAFER 8PINS 2MMP JST 1
J1 2333-004919-001 SPEAKER JACK PSZ-405 4PIN RED/BLK (GOLD) 1
J1 2370-020110-000 RIGHT ANGLE HEADER 20PIN 2.5MMP 1
Thermal Switch, Fuse, Relay
SW1 4014-170275-000 THERMAL PROTECT SWITCH 17AM027A5-32 (TI) 1
F1, F2 4030-618004-001 FUSE T-4A/250V 618004 5X20MM 2
F1, F2 4031-050100-001 FUSE HOLDER 5X20MM PCB MOUNT WITH PLASTIC BASE 2
RL1 4050-110122-000 RELAY 8A/250VAC 2POLE ME-11-012-2H4 COIL:12VDC 1
RL2, RL3 4050-210000-000 RELAY G2R-1A-E-S DC12V 16A (OMRON) 2
PCB, Screw, Heatsink, Misc
Q16, Q17, Q19, Q20 4080-000006-001 MICA TRANS. WASHER 25X29X0.15(MM) (AP10692/2) 4
4080-058016-000 MICA WASHER 58X16X0.15t 1
4867-000090-102 LEFT CHANNEL AMPLIFIER BOARD REV B 1
4867-000750-001 HK670 SPEAKER JOINT BOARD REV A 1
6567-150008-000 HK670 HEAT SINK 1
7002-010010-111 SCREW M2X10 M/C TYPE B/H BLACK 5
7003-008002-111 SCREW M3X8 P.T.P. B/H (BLACK) 2
7003-014010-111 SCREW M3X14 M/C TYPE B/H BLK 4
7102-304636-040 NYLON WASHER 2.3X4.6X3.6 5
Q16, Q17, Q19, Q20 7103-206504-081 EX-TOOTHED LOCK WASHER M3 (BLK) 4
RIGHT AMPLIFIER BOARD ASSEMBLY
Reference Part Number Description Quality
9467-015000-091 HK670 RIGHT CHANNEL POWER AMPLIFIER ASSY REV A
Resistor
R24, R26 1011-000016-020 METAL FILM RESISTOR 10 OHM 1/6W +-1% AXIAL TAPE 2
R28, R29, R31, R37 1011-001018-020 METAL FILM RESISTOR 100 OHM 1/8W +-1% AXIAL TAPE 4
R2, R22 1011-002018-020 METAL FILM RESISTOR 1K OHM 1/8W +-1% AXIAL TAPE 2
R33 1011-003016-020 METAL FILM RESISTOR 10K 1/6W +-1% AXIAL TAPE 1
R1 1011-004018-020 METAL FILM RESISTOR 100K OHM 1/8W +-1% AXIAL TAPE 1
R11 1011-072016-020 METAL FILM RESISTOR 1.07K OHM 1/6W +-1% AXIAL TAPE 1
R19, R20 1011-201016-020 METAL FILM RESISTOR 120 OHM 1/6W +-1% AXIAL TAPE 2
R18, R25, R34, R42 1011-503016-020 METAL FILM RESISTOR 15K OHM 1/6W +-1% AXIAL TAPE 4
R6, R7 1011-801016-020 METAL FILM RESISTOR 180 OHM 1/6W +-1% AXIAL TAPE 2
R4, R5 1012-002016-020 METAL FILM RESISTOR 2K OHM 1/6W +-1% TAPE 2
R46 1012-202018-020 METAL FILM RESISTOR 2.2K OHM 1/8W +-1% AXIAL TAPE 1
R39, R40 1012-203018-020 METAL FILM RESISTOR 22K OHM 1/8W +-1% AXIAL TAPE 2
R9 1012-491016-020 METAL FILM RESISTOR 249 OHM 1/6W +-1% TAPE 1
R27 1013-301016-020 METAL FILM RESISTOR 330 OHM 1/6W +-1% AXIAL TAPE 1
R38 1013-302016-020 METAL FILM RESISTOR 3.3K OHM 1/6W +-1% AXIAL TAPE 1
R3, R10 1013-323016-020 METAL FILM RESISTOR 33.2K OHM 1/6W +-1% TAPE 2
R12, R13, R14, R15, R16, R17 1014-701018-020 METAL FILM RESISTOR 470 OHM 1/8W +-1% AXIAL TAPE 6
R8, R41 1014-703018-020 METAL FILM RESISTOR 47K 1/8W +-1% AXIAL TAPE 2
R21 1015-602016-020 METAL FILM RESISTOR 5.6K OHM 1/6W +-1% AXIAL TAPE 1
VR1 1065-001600-171 SEMI-FIXED RESISTOR 500 OHM +-30% PA0630-VA1-B501 1
R30, R32, R35, R36 1092-208310-020 METAL OXIDE RESISTOR 0.22 OHM 1W +-5% AXIAL TAPE 4
R43 1095-107310-020 METAL OXIDE RESISTOR 5.1 OHM 1W +-5% AXIAL TAPE 1
R44, R45 1096-802320-020 METAL OXIDE RESISTOR 6.8K OHM 2W +-5% AXIAL TAPE 2
Capacitor
C10 1100-104044-000 CERAMIC CAP. 0.1uF/50V +-20% 1
C21, C22 1100-104064-000 CERAMIC CAP. 0.1UF/100V +/-20% 2
C12 1101-104063-000 POLYESTER/MYLAR CAP. 0.1UF/100V +-10% 1
C7 1102-100024-000 ELECT. CAP. 10UF/25V +-20% 1
C20 1102-101024-000 ELECT. CAP. 100UF/25V +-20% 1
C17, C18 1102-123054-001 ELECT. CAP. 12000uF/63V +-20% (NICHICON) 2
C9 1102-337044-000 ELECT. CAP. 3.3uF/50V +-20% 1
C3, C4 1102-470054-000 ELECT CAP. 47UF/63V +-20% 2
C2, C5 1102-471024-002 ELECT. CAP. 470uF/25V +-20% 10x12.5mm 2
C8 1114-181062-000 POLYPROPYLENE CAP. 180P/100V +-5% 1
C13, C14 1114-224093-000 METALLIZED POLYPROPYLENE CAP. 0.22UF/250V +-10% 2
C1 1114-271062-000 POLYPROPYLENE CAP. 270PF 100V +-5% 1
C6 1181-307042-000 CERAMIC CAP. 3PF/50V +-5% NPO 1
Transistor, Diode
Q3, Q4 1300-060000-100 TRANSISTOR NPN MPSA06 TO92 2
Q23, Q24 1300-174000-100 TRANSISTOR NPN 2SC1740 TO-92 2
Q1, Q2 1300-224000-100 TRANSISTOR NPN 2SC2240-GR TO-92 (TOSHIBA) 2
Q9, Q12 1300-350200-800 TRANSIISTOR NPN 2SC3502 TO126 (SANYO) 2
Q6, Q18 1300-422000-100 TRANSISTOR NPN BF422 (PHILIPS) 2
Q10, Q13 1300-479300-200 TRANSISTOR NPN 2SC4793 (TOSHIBA) 2
Q16, Q17 1300-524209-900 TRANSISTOR NPN 2SC5242-O (TOSHIBA) 2
Q8, Q14 1301-138000-800 TRANSIISTOR PNP 2SA1380 TO126 (SANYO) 2
Q15 1301-183700-200 TRANSISTOR PNP 2CA1837 (TOSHIBA) 1
Q19, Q20 1301-196209-900 TRANSISTOR PNP 2SA1962-O (TOSHIBA) 2
Q5, Q7 1301-423000-100 TRANSISTOR PNP BF423 (PHILIPS) 2
Q21 1301-560000-100 TRANSISTOR PNP MPSA56 TO92 1
D5, D7, D8 1401-140010-000 DIODE 1N4001 3
D1, D2, D6, D9, D10, D11, D12 1401-141480-010 DIODE 1N4148 TAPE 7
BR1 1401-802000-000 DIODE BRIDGE RS802 1
D3, D4 1404-181001-200 HIGH VOLTAGE SWITCHING DIODE 1SS81(HITACH) TAPE 2
Coil, Inductor
L3 1502-047400-900 AUDIO FILTTER L=4UH R=1 +-20% LR0515-R40M 1
L1, L2 1503-000000-100 BEAD COIL FB-35608 C.T.C. 2
Connector
CN1 2300-002000-001 STRAIGHT CONN WAFER 2PIN 2MMP JST 1
TP1 2300-002100-000 STRAIGHT CONN. WAFER 2 PINS 2.5mmP 1
CN3 2300-003400-001 STRAIGHT CONN WAFER 3PIN 3.96MMP JST 1
CN2 2300-009000-001 STRAIGHT CONN WAFER 9PINS 2MMP JST 1
J1 2333-004919-001 SPEAKER JACK PSZ-405 4PIN RED/BLK (GOLD) 1
J1 2370-020110-000 RIGHT ANGLE HEADER 20PIN 2.5MMP 1
Thermal Switch, Fuse, Relay
SW1 4014-170275-000 THERMAL PROTECT SWITCH 17AM027A5-32 (TI) 1
F1, F2 4030-618004-001 FUSE T-4A/250V 618004 5X20MM 2
F1, F2 4031-050100-001 FUSE HOLDER 5X20MM PCB MOUNT WITH PLASTIC BASE 2
RL1 4050-110122-000 RELAY 8A/250VAC 2POLE ME-11-012-2H4 COIL:12VDC 1
RL2, RL3 4050-210000-000 RELAY G2R-1A-E-S DC12V 16A (OMRON) 2
PCB, Screw, Heatsink, Misc
Q16, Q17, Q19, Q20 4080-000006-001 MICA TRANS. WASHER 25X29X0.15(MM) (AP10692/2) 4
4080-058016-000 MICA WASHER 58X16X0.15t 1
4867-000090-002 RIGHT CHANNEL AMPLIFIER BOARD REV B 1
4867-000750-001 HK670 SPEAKER JOINT BOARD REV A 1
6567-150008-000 HK670 HEAT SINK 1
7002-010010-111 SCREW M2X10 M/C TYPE B/H BLACK 5
7003-008002-111 SCREW M3X8 P.T.P. B/H (BLACK) 2
7003-014010-111 SCREW M3X14 M/C TYPE B/H BLK 4
7102-304636-040 NYLON WASHER 2.3X4.6X3.6 5
Q16, Q17, Q19, Q20 7103-206504-081 EX-TOOTHED LOCK WASHER M3 (BLK) 4

TONE CONTROL BOARD ASSEMBLY
Reference Part Number Description Quality
9467-015000-561 HK670 TONE CONTROL BOARD ASSY REV A
Resistor
R37, R46 1001-002313-521 THICK FILM RESISTOR 1K OHM +-5% 1/16W SMD 0603 2
R48 1001-004313-521 THICK FILM RESISTOR 100K OHM +-5% 1/16W SMD 0603 1
R47 1001-005313-521 THICK FILM RESISTOR 1M OHM +-5% 1/16W SMD 0603 1
R44, R45 1002-702313-521 THICK FILM RESISTOR 2.7K OHM +-5% 1/16W SMD 0603 2
R42, R43 1011-001013-520 THICK FILM RESISTOR 100 OHM 1/16W +-1% SMD0603 2
R40, R41 1011-001018-020 METAL FILM RESISTOR 100 OHM 1/8W +-1% AXIAL TAPE 2
R10, R11, R12, R14, R15, R16 1011-003013-520 THICK FILM RESISTOR 10K OHM 1/16W +-1% SMD0603 6
R4, R8, R38, R39, R49, R50 1011-004013-520 THICK FILM RESISTOR 100K OHM 1/16W +-1% SMD0603 6
R17, R20 1011-005013-520 THICK FILM RESISTOR 1M OHM 1/16W +-1% SMD0603 2
R2, R7 1012-402013-520 THICK FILM RESISTOR 2.4K OHM 1/16W +-1% SMD0603 2
R1, R5 1013-304013-520 THICK FILM RESISTOR 330K OHM 1/16W +-1% SMD0603 2
R31, R32, R35, R36 1014-702013-520 THICK FILM RESISTOR 4.7K OHM 1/16W +-1% SMD0603 4
R3, R6 1015-602013-520 THICK FILM RESISTOR 5.6K OHM 1/16W +-1% SMD0603 2
R9, R13, R18, R19 1016-802013-520 THICK FILM RESISTOR 6.8K OHM 1/16W +-1% SMD0603 4
VR2, VR3 1061-004411-130 VAR RESISTOR 100K+-10%0.1w(ROTARY DUAL B-TYPE) 2
VR1 1062-504511-160 VAR.RESISTOR 250K +-20% 0.1W (ROTARY DUAL MN-TYPE) 1
Capacitor
C28, C30, C31, C32, C39, C40, C41, C42 1100-104025-400 CERAMIC CAP 0.1uF/25V +80%-20% SMD0603 8
C11, C12, C15, C16 1101-104062-000 POLYESTER/MYLAR CAP. 0.1UF/100V +-5% 4
C9, C10, C13, C14 1101-222062-000 POLYESTER/MYLAR CAP. 2200PF/100V +-5% 4
C19, C23 1101-472062-000 POLYESTER/MYLAR CAP. 4700PF/100V +-5% 2
C17, C18, C24, C35, C38 1102-100024-000 ELECT. CAP. 10UF/25V +-20% 5
C21, C22 1102-101024-000 ELECT. CAP. 100UF/25V +-20% 2
C33, C34, C36, C37 1102-220024-000 ELECT. CAP. 22UF/25V +-20% 4
C1, C5, C25, C29 1105-100024-000 NON-POLARIZED CAP. 10UF/25V +-20% 4
C3, C7 1105-101024-000 NON-POLARIZED CAP 100UF/25V +-20% 5MMP 2
C45, C46 1117-104053-000 METALLIZED POLYE CAP. 0.1UF/63V +-10% BOX P=5MM 2
C4, C8, C20, C26 1181-100042-400 CERAMIC CAP. 10PF/50V +-5% NPO SMD 0603 4
C2, C6 1181-101042-400 CERAMIC CAP. 100PF/50V +-5% NPO SMD 0603 2
Transistor, Diode
Q5 1300-100300-100 TRANSISTOR NPN KSR1003 (SAMSUNG) 1
Q3, Q4 1300-174000-100 TRANSISTOR NPN 2SC1740 TO-92 2
Q1 1300-805000-100 TRANSISTOR NPN 8050D TO92 SAMSUNG 1
Q2 1301-273300-101 TRANSISTOR PNP 2SA733Y 1
D1, D2 1401-141480-010 DIODE 1N4148 TAPE 2
Connector, Relay
CN7, CN8 2300-002000-001 STRAIGHT CONN WAFER 2PIN 2MMP JST 2
CN3 2300-003000-001 STRAIGHT CONN WAFER 3PIN 2MMP JST 1
CN6 2300-004000-002 STRAIGHT CONN WAFER 4PINS 2MMP JST 1
CN1 2300-006000-001 STRAIGHT CONN WAFER 6 PIN 2MMP JST 1
CN4 2300-007000-001 STRAIGHT CONN WAFER 7 PINS 2MMP JST 1
RL1 4050-000005-002 RELAY ME-2-5 DC 5V GS-SH-205T 120£ 1
IC
U1, U3, U4, U5 4155-320101-600 I.C.NJM5532M SOP8 (JRC) 4
PCB
4867-000560-001 HK670 TONE CONTROL BOARD REV A 1
FRONT PANEL BOARD ASSEMBLY
Reference Part Number Description Quality
9467-015000-041 HK670 KEY CONTROL BOARD ASSY REV A
Resistor
R336 1001-000316-020 CARBON FILM RESISTOR 10 OHM 1/6W +-5% AXIAL TAPE 1
R1, R312, R313, R338, R339, R341, 1001-001316-020 CARBON FILM RESISTOR 100 OHM 1/6W +-5% AXIAL TAPE 8
R351, R355
R3, R302, R303, R310, R311, R315, 1001-002316-000 CARBON FILM RESISTOR 1K OHM 1/6 W +-5% 11
R318, R319, R322, R324, R344
R4, R8, R316 1001-003316-020 CARBON FILM RESISTOR 10K OHM 1/6W +-5% TP52 3

R6, R317 10