Read Harman Kardon HK 970 Service Manual online
HK 970 Integrated Amplifier
SERVICE MANUAL
Power for the Digital Revolution
®
TECHNICAL SPECIFICATION HK970/230
Technical Specifications HK970/230
Audio Section
Stereo Mode
Continuous Average Power (FTC)
80 Watts per channel, 20Hz-20kHz
@ < 0.07% THD, both channels driven into 8 ohms
100 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
FM Tuner Section
Frequency Range
87.5-108MHz
Usable Sensitivity
IHF: 1.12 µV/13.5dBf
Signal-to-Noise Ratio Mono/Stereo: 73/72 dBA (DIN)
Distortion
Mono/Stereo: 0.3/0.4%
Stereo Separation
40dB @ 1kHz
Selectivity
±400kHz, 65dB
Image Rejection
>80dB
IF Rejection
>100dB
FM Tuner Section
Frequency Range
520-1710kHz
Signal-to-Noise Ratio >40dB
Usable Sensitivity
Loop: 500 µV/M
Distortion
1kHz, 50% Mod: 0.8%
Selectivity
±10kHz: > 25dB
Video Section
Television System
NTSC/PAL/SECAM
Signal Format
Composite
Input Level
1Vp-p
Input Impedance
75 ohms, unbalanced
Sync Polarity
Negative
Output Impedance
75 ohms, unbalanced
Video Frequency
Response
10Hz-10MHz
General
Power Requirement
AC 230V/50Hz
Power Consumption 3W standby, 200W maximum
(both channels driven)
Dimension (Max)
Width
439mm
Height
110mm
Depth
395mm
Weight
10.35kg
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 and Power for the Digital Revolution are registered trademarks of Harman International Industries, Incorporated.
Part List
HK970/230
HK970 PHONE BOARD (9497-015000-021)
Part Number
Part Number
Reference
Desription
Usage
1100-103034-000
C801 C802
CERAMIC CAP. 0.01UF/25V +-20%
2
1102-471014-000
C803 C804
ELECT. CAP. 470uF/16V +-20% 8X12MM
2
1501-080400-000
L801 L802 L803
CHOKE COIL 8UH M6.5X11MM
3
2300-003010-000
CN801
RIGHT ANGLE CONN. WAFER 3 PINS 2mmP
1
2320-009911-000
J801
6.4MM HEADPHONE JACK (JY-6303-02-030)
1
2320-009911-001
6.4MM HEADPHONE JACK W/O NUT (JY-6303-01-030)
1
6600-120120-000
SCREW HEX NUT M12X1.0X2.0MM
1
7112-018006-022
SCREW WASHER M12X18X0.6MM
1
4897-150020-001
HK970 HEADPHONE BOARD REV B
1
HK970 POWER ON/OFF BOARD (9497-015000-
171)
Part Number
Reference
Desription
Usage
1004-707316-000
R101
CARBON FILM RESISTOR 4.7 OHM 1/6W +-5%
1
2400-020200-006
SW101
TACT SW 2P2T 1102A-1F
1
2500-061001-050
6PIN 100MM 1CONN CABLE AWG#28 2MMP
1
3100-000000-017
D101
LED 5MM AMBER/BLUE COLOR WHITE DIFFUSED(CT-3390BW)
1
4897-150170-001
HK970 POWER OFF/ON BOARD REV D
1
HK970 VOL LED BOARD (9497-015000-191)
Part Number
Part Number
Reference
Desription
Usage
1100-333043-000
C201 C202
CERAMIC CAP. 0.033UF/50V +-10%
2
2300-004000-000
CN101
STRAIGHT CONN. WAFER 4 PINS 2mmP
1
2409-020200-007
SW201
ROTARY ENCODER EC-12E24204A9
1
3100-000000-023
D201-D204
LED BLUE COLOR
ӥ5MM ROUND HEAD
4
4897-150190-001
HK970 VOL LED BOARD REV E
1
HK970 MCU BOARD (9497-015000-231)
Part Number
Part Number
Reference
Desription
Usage
1001-001316-000
R313
CARBON FILM RESISTOR 100 OHM 1/6 W +-5%
1
1001-002316-000
R320 R326
CARBON FILM RESISTOR 1K OHM 1/6 W +-5%
2
1001-003316-000
R301/R314/R315/R325/R330/R331 CARBON FILM RESISTOR 10K OHM 1/6 W +-5%
6
1001-004316-000
R324
CARBON FILM RESISTOR 100K OHM 1/6 W +-5%
1
1002-000316-000
R321
CARBON FILM RESISTOR 20 OHM 1/6W +-5%
1
1003-001316-000
R316
CARBON FILM RESISTOR 300 OHM 1/6W +-5%
1
1004-703316-000
R327-R329
CARBON FILM RESISTOR 47K OHM 1/6 W +-5%
3
1044-702318-401
RN303-RN305
RESISTOR NETWORK 4K7X6 1/8W TYPE A 7PIN
3
1044-702318-402
RN301 RN302
RESISTOR NETWORK 4K7X8 1/8W TYPE A 9PIN
2
1100-101044-001
C17
CERAMIC CAP. 100P/50V +-20% Y5P
1
1100-103043-000
C2-C5, C13 C18, C308
CERAMIC CAP. 0.01uF/50V +-10%
11
1100-151044-000
C312, C313
CERAMIC CAP. 150PF/50V +-20%
2
1102-101014-001
C301 C306 C309
MINI E. CAP 100UF/16V +-20%
3
1102-101034-000
C314
ELECT.CAP. 100UF/35V +-20%
1
1106-104044-000
C1 C10 C11 C12 C15 C19 C3
MONO CAP. 0.1UF/50V +-20%
10
1181-300042-000
C311
CERAMIC CAP. 30PF/50V +-5% NPO
1
1300-901400-100
Q303
TRANSISTOR NPN 9014C CENTRE B TO92
1
1301-737002-000
Q302A
TRANSISTOR 2SB737Q TO-92 PNP (
۵՞ྤᒵሽᐗ)
1
1402-511201-200
D303 D304
ZENER DIODE 5.1V 1/2W
2
1500-227300-100
L301 L302
INDUCTOR 2.2uH +-10%
2
1600-800002-000
X301
CRYSTAL 8.00Mhz 12PF +-30PPM HC49U
1
2300-002000-000
CN303
STRAIGHT CONN. WAFER 2 PINS 2mmP*
1
2300-003000-001
CN310
STRAIGHT CONN WAFER 3PIN 2MMP JST
1
2300-003100-004
CN301
STRAIGHT CONN WAFER 3 PINS 2.5MM JST
1
2300-004000-000
CN308
STRAIGHT CONN. WAFER 4 PINS 2mmP
1
2300-006010-000
CN304
HORIZONTAL CONN. WAFER 6 PINS 2mmP
1
2300-011000-000
CN307 CN309
STRAIGHT CONN. WAFER 11PINS 2MMP
2
2301-016901-000
CN305
16PIN FILM TYPE CABLE STRAIGHT CONN
1
2400-020210-000
SW302 SW303 SW304 SW305
TACT SWITCH 2P2T SMT 5MM
8
SW306 SW307 SW308 SW309
2500-040700-150
4PIN 70MM 1CONN CABLE AWG#28 UL1571 2mmP
1
3001-203801-000
U304
INFRARED SENSOR IRM-2038 NO SHIELD
1
3106-221301-000
VFD30 1
VFD22-1301F
1
4148-701093-400
U301
I.C HT48R70A-1 48 PIN SSOP HOLTEK
1
4175-712122-500
U306
I.C LC75712E QFP64 SANYO
1
4897-150230-001
HK970 MCU BOARD REV F
1
Part List
HK970/230
HK970 POWER SUPPLY BOARD (9497-015000-071)
Part Number
Part Number
Reference
Desription
Usage
1001-000320-000
R604
CARBON FILM RESISTOR 10 OHM 2W +-5%
1
1001-002316-000
R12 R17 R4
CARBON FILM RESISTOR 1K OHM 1/6 W +-5%
3
1001-003316-000
R16 R18 R619
CARBON FILM RESISTOR 10K OHM 1/6 W +-5%
3
1001-004316-000
R10 R8
CARBON FILM RESISTOR 100K OHM 1/6 W +-5%
2
1002-203316-000
R11 R9
CARBON FILM RESISTOR 22K OHM 1/6 W +-5%
2
1004-701316-000
R1 R13 R14 R2 R618
CARBON FILM RESISTOR 470 OHM 1/6 W +-5%
5
1004-702316-000
R6 R7
CARBON FILM RESISTOR 4.7K OHM 1/6 W +-5%
2
1004-703316-000
R15 R617
CARBON FILM RESISTOR 47K OHM 1/6 W +-5%
2
1006-800316-000
R622 R623
CARBON FILM RESISTOR 68 OHM 1/6W +-5%
2
1100-104044-000
C602 C607 C609 C612 C613
CERAMIC CAP. 0.1uF/50V +-20%
10
C616 C617 C618 C621 C73
1102-101024-000
C3 C4 C5 C6
ELECT. CAP. 100UF/25V +-20%
4
1102-220024-000
C1 C2
ELECT. CAP. 22UF/25V +-20%
2
1102-221024-000
C614 C615 C619
ELECT. CAP. 220UF/25V +-20%
3
1102-222024-000
C606
ELECT. CAP. 2200UF/25V +-20%
1
1102-471014-000
C608
ELECT. CAP. 470uF/16V +-20% 8X12MM
1
1102-471024-002
C601 C610 C611
ELECT. CAP. 470uF/25V +-20% 10x12.5mm
3
1300-945000-105
Q612 Q613
TRANSISTOR NPN KSC945C-Y TO92 (E,C,B)
2
1301-855000-100
Q611 Q614
TRANSISTOR PNP SS8550C TO-92 (SAMSUNG)
2
1308-330300-100
Q1 Q608
TR NPN FJN3303R WITH 22K 1:1 TO 92 ECB
2
1401-101000-000
D605 D606
BRIDGE RECTIFIER DB101 50V 1A UL
2
1402-471201-200
D1
ZENER DIODE 4.7V 1/2W
1
1503-000000-100
L601
BEAD COIL FB-35608 C.T.C.
1
2300-003000-001
CN3 CN4
STRAIGHT CONN WAFER 3PIN 2MMP JST
2
2300-005100-001
CN605
STRAIGHT CONN WAFER 5PINS 2.5MMP JST (JAPAN)
1
2300-008000-000
CN603
STRAIGHT CONN. WAFER 8 PINS 2mmP
1
2300-009000-000
CN602 CN606
STRAIGHT CONN. WAFER 9 PINS 2MMP
2
2301-016901-000
CN604
16PIN FILM TYPE CABLE STRAIGHT CONN
1
4030-100000-001
F602 F603
SLOW BLOW MICRO FUSE 1A
2
4030-125000-005
F601
FUSE T1A 250V GLASS TUBE BSI/VDE/UL/CSA
1
4031-000003-002
F601
FUSE HOLDER 5X20MM HF-003A MILKY (HOLLYLAND)
1
4145-600001-600
U1
I.C. NJM4560L 8PINS SIL (NJRC)
1
4178-050334-700
U601
I.C. L7805CV TO220 THOMSON
1
4178-120301-600
U604
I.C. NJM7812FA
1
4178-150301-800
U603
I.C. LM7815 TO220 N.S.
1
4179-150301-800
U602
I.C. LM7915 TO220 N.S.
1
4181-700010-000
U2
I.C. LTV817B LITON
1
4897-150070-001
HK970 POWER SUPPLY BOARD REV D
1
6531-150222-000
REGULATOR HEATSINK PLATE
1
6542-110203-001
CD421 HEAT SINK
2
7003-006003-111
SCREW M3X6 B.T.B. B/H (BLACK)
4
HK970 REMOTE IN/OUT BOARD (9497-015000-081)
Part Number
Part Number
Reference
Desription
Usage
1001-001316-000
R401
CARBON FILM RESISTOR 100 OHM 1/6 W +-5%
1
1002-701316-000
R406
CARBON FILM RESISTOR 270 OHM 1/6W +-5%
1
1003-902316-000
R403
CARBON FILM RESISTOR 3.9K OHM 1/6 W +-5%
1
1004-700316-000
R404 R405
CARBON FILM RESISTOR 47 OHM 1/6W +-5%
2
1004-703316-000
R402
CARBON FILM RESISTOR 47K OHM 1/6 W +-5%
1
1007-500316-000
R407
CARBON FILM RESISTOR 75 OHM 1/6W +-5%
1
1102-101014-000
C403
ELECT. CAP. 100uF/16V +-20% 105
к
1
1102-470014-000
C402
ELECT. CAP. 47uF/16V +-20%
1
1301-200300-100
Q401
TRANSISTOR PNP KSR2003 (SAMSUNG)
1
1504-100300-100
L401 L402 L403
AXIAL INDUCTOR 10UH +-10%
3
2300-003000-001
CN401
STRAIGHT CONN WAFER 3PIN 2MMP JST
1
2321-003911-002
J401 J402
MIC JACK 3.5MM JY-3510*01-130
2
4181-700010-000
U401
I.C. LTV817B LITON
1
4897-150080-001
HK970 REMOTE IN/OUT BOARD REV B
1