Harman Kardon HK-980 Schematic
4P
harman/kardon
HK 980/230 Service Manual
Page 7 of 50
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Volume Board
CN12
Phone Board
2P
3P
CN11
CN3
Light Board
3P
CN3
8P
2P
CN1
Right Amplifier Board
CN2
3P
CN9
IR Board
CN6
1.00-20P
6P
CN7
5P
CN5
4P
8P
3P
CN10
CN1
CN3
Transformer
CN1
1.00-100P
Display Board
3P
CN10
2P
CN2
2P
CN8
2P
CN9
8P
CN2
Main Board
3P
CN11
2P
Fuse
Power Cord in
CN1
Left Amplifier Board
3P
CN8
8P
CN2
2P
CN7
3P
CN3
2P
CN6
Power Board
2P
CN5
6
Headphone OUT
harman/kardon
HK 980/230 Service Manual
Page 8 of 50
AMP X
Pre_ OUT
TAPE-OUT
Relay_3
CDR-OUT
-15v
Speaker L1
Speaker L2
Speaker L1
Speaker L2
TPA6120A
+48V
R2_Ctrl
Relay_5
-48V
Rectifier
Relay_6
Right Amplifier Board
Amplifier
Amp L
R2_Ctrl
+48V
R2_Ctrl
Relay_7
-48V
Rectifier
+15v
Class A
Rectifier
NJU201AM
CDR/TAPE OUT CUT
CDR_CUT
TAPE_CUT
Relay_1
NJW1119A
Relay_2
R1_Ctrl
R2_Ctrl
+6dB
TONE
Buffer
+12V
Rectifier
+5v
F2
F1
Left Amplifier Board
R2_Ctrl
Relay_4
Amplifier
Amp L
Main
Transformer
-6dB
Buffer
TONE Control(SPI)
-30V
Rectifier
HK980x
Pre Amplifier(1 channel only) & MCU Board
Op amp
VOL
WM8816
Master VOL
MCU
KEY
H/P OUT
H/P
F1
VFD
Op amp
Buffer
Switch
Source
I2C /CS/MUTE
I2C /CS
NJU7311AM
74HC4094
I2C /CS
Switch
Record
NJU7311AM
Interface
mcu+5v
Main plug
Power on/off
Relay_8
-30V
Driver
+14v
Fuse Board
AUX-in
TUNER-in
CD-in
CDR-in
Rectifier
phono amp
IR_OUT
PHONO-in
TAPE-in
TV-in
IR_IN
mcu+5v
Manostat
Standby
Transformer
Front Panel Board
F2
IR
Rx
1
harman/kardon
HK 980/230 Service Manual
Page 32 of 50
2
3
4
5
SPEAKER JOINT BOARD
SPK1
!
D D
D11
1N4148
2 1
J2
2X10X2.54mm
5
12345678910
RL2
436
L1+
0077-1321-000A
GND
C28
104
1
1
SPK2
DY-024(Red)
DY-024(Black)
+48V -48V
!
3
RELAY-CTRL
F1 4A/250V
1
+12V
t
WARNNING
SW1
TEMPERATURE SWITCH(17AM)
D10
1N4148
KT-S-212N
2 1
1112
1314
1516
1718
1920
1112
1314
1516
1718
1920
1
SPK3
DY-024(Black)
C13
224/275V
R44
6K8/2W
C17
12000U/63V
WARNNING
14
23
-+
BR1
RS803
4
!
WARNNING
2
C14
CN3
TO *** BRD
CN2
8
SP-CTRL
SP2
SP1
RL3
5
2X10X2.54mm
!
+48V
R38
3K3 1%
C10
0.1uF/50V
WARNNING
KT-S-212N
436
12345678910
J1
L2+
C29
104
1
SPK4
DY-024(Red)
224/275V
R45
6K8/2W
C18
12000U/63V
3
4
!
WARNNING
F2 4A/250V
1
2
123
!
3P*3.96
FROM TRANSFORMER
C C
WARNNING
Q21
MPSA56
13
2
Q17
1
L2 FB-DIP
3
Q12
2SC3502-E
R24
10 1%
R20
120R 1%
12
Q8
R16
470R 1%
R14
470R 1%
R12
470R 1%
R5
2K 1%
R4
2K 1%
BCE
D8
2SC5242
CBE
2SA1380-E
C4
R40
R39
22K 1%
1N4002
C9
R33
3 2
CBE
BEC
1
1 2
R25
C8
ECB
3
12
Q7
BF423
47U/63V
D12
22K 1%
Q18
3U3/50V
10K 1%
R28100R 1%
Q13
15K 1%
180PF/100V
1N4148
BF422
3
1
3 2
2SC4793
3
D5
Q16
D4
1N4002
EBC
1 2
R34
15K 1%
R32
R30
3 2
2SC5242
R29
100R 1%
R27
330R 1%
1SS81
Q5
BF423
12
3
21
ECB
21
R2
C2
L3 4uH/1R2W
0.22/1W
0.22/1W
R1033K2 1%
Q1
1K 1%
470/25
CN1
R43
C12
5.1R/2W
D7
1N4002
15K 1%
R36
0.22/1W
R35
0.22/1W
32
1
2
TP1
2P*2.5
12
R23
JUMPER
R21
5K6 1%
C7
D3
BEC
C6
3PF/50V
3
Q2
R7
C2240-GR
R6
C2240-GR
3
R3
33K2 1%
C1
470PF/50V R42
R1
100K 1%
1
2
2P*2.0
B B
RELAY-CTRL
104MR37
L1 FB-DIP
Q11
3
10U/25V
1SS81
180 1%
180 1%
8P*2.0
1234567
+12V
OVER-ZERO
AMP-MUTE
OVER-LOAD
D6
1N4148
-48V
2SC1740S-R
Q24
1 2
CEB
3
3
Q23
2SC1740S-R
1 2
100R 1%
CBE
Q19
2SA1962
1
Q15
NC
Q10
2SC4793
1
BEC
C5
470U/25V
32
1
R31
100R 1%
BEC
32
1
2SA1837
BCE
3 2
R22
1.13K 1%
31
Q6
BF422
3
R11
Q3
2
D1
R8
CBE
1K07 1%
MPSA06
C20
Q20
VR1
4
1 2
1N4148
47K 1%
100R
2
Q9
3
1 3
R46
2K2 1%
100/25
2SA1962
Q14
2SA1380-E
12
3
2SC3502-E
1 2
D2
1N4148
CEB
2
Q4
R41
47K 1%
CBE
R18
R26
R17
R19
R15
R13
R9
MPSA06
1 3
15K 1%
10 1%
470R 1%
120R 1%
470R 1%
470R 1%
C3
47U/63V
249R 1%
AMP-MUTE
A A
1
2
3
4
5
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