R70
10K
R69
10K
R68
10K
R67
10K
R66
10K
R65
10K
R64
10K
R63
10K
R72
10K
C88
104
C89
104
R149
2.4K
R58
10K
R81
10K
R79
10K
R80
10K
R78
10K
R61
2.2K
R85
10K
R60
2.2K
R54
10K
R76
10K
R89
10K
DGND
R59
10K
DGND
DGND
1
2
3
4
5
6
7
8
IC2
AT24C02AN-10SI-2.7
$
$
$
'*1'
6'$
6&/
:3
9&&
DGND
R77
10K
R75
10K
DGND
R74
10K
R88
10K
R87
10K
R90
10K
R91
10K
R92
10K
R86
10K
R84
10K
P4.2
1
P1.0
2
P1.1
3
P1.2
4
P1.3
5
P1.4
6
P1.5
7
P1.6
8
P1.7
9
RESET
10
P3
.0
11
P4
.3
12
P3
.1
13
P3
.2
14
P3
.3
15
P3
.4
16
P3
.5
17
P3
.6
18
P3
.7
19
XT
A
L
1
20
XT
A
L
2
21
GN
D
22
P4
.0
23
P2.0
24
P2.1
25
P2.2
26
P2.3
27
P2.4
28
P2.5
29
P2.6
30
P2.7
31
PSEN#
32
ALE/PROG#
33
P4
.1
34
EA
#
35
P0
.7
36
P0
.6
37
P0
.5
38
P0
.4
39
P0
.3
40
P0
.2
41
P0
.1
42
P0
.0
43
VC
C
44
IC1
SM5964C40J(PLCC44)
C51
100U/16
C52
100U/16
C90
10U/16
R83
10K
R71
10K
5;
'
7;
'
MCU
R73
DEL
Z1
12MHz
C115
16PF
C114
16PF
DGND
R230
680/0.25W
DGND
C126
10U/50
DW2
6C2
C127
47U/35
DW3
1N4751A(30V)
D1
1N4001
C128
100U/50
DGND
R231
RF 1/0.25W
C109
104
C113
104
C121
1000U/25
C120
1000U/25
C117
220U/25
C116
220U/25
C105
104
C106
104
I
1
G
2
O
3
IC20
KA7815
O
3
G
1
I
2
IC21 KA7915
+
AC2
-
AC1
BL2
2W06M
R207
RF/0.22/1W
R209
RF/0.22/1W
+15V
-15V
TO-220
TO-220
R208
RF/0.22/1W
DGND
C110
104
C123
2200U/25
DGND
C108
104
C119
220U/16
DGND
I
1
G
2
O
3
IC19
KA7812
DGND
+5V
TO-220
+
AC2
-
AC1
BL1
2W06M
R206
10R/2W
C122
470U/25V
DGND
I
1
G
2
O
3
IC18
KA7805
DGND
C107
104
C118
470U/10
DGND
+12V
1
2
2
1
6
3
4
5
1
2
3
4
5
CN5
5P(2.5)
DGND
1
2
3
1
2
3
Main
Transformer
3P3.96
TO Left Amplifier Board
3P3.96
TO Right Amplifier Board
1
2
2P7.92
To Fuse Board
TO-220
C112
104
I
1
G
2
O
3
IC22
KA7805
DGND
DGND
DGND
DGND
C124
220U/10
C125
470U/25
DGND
C111
104
DGND
MCU+5V
1
2
3
CN3
3P(2.0)
TO FUSE BOARD
POWER ON/OFF
GND
+VCC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
CN6
1.0D-20P
C104
104
Terminal Erth
E
FB1
FB0805
DGND
1
2
3
4
IC23
LTV817A
Q39
FJN3303R
R156
1K
R82
10K
DW1
HZK5B
DGND
R109
470
+5V
DGND
SP_CTRL
SP1
SP2
RELAY_CTRL
+12V
OVER_LOAD
OVER_ZERO
AMP_MUTE
SP_CTRL
SP1
SP2
RELAY_CTRL
+12V
OVER_LOAD
OVER_ZERO
AMP_MUTE
1
2
3
4
5
6
7
8
CN1
8P(2.0)
TO R-CH AMP
TO L-CH AMP
+12V
DGND
Q33
2SC3361
R112
47K
R107
470
DGND
R55
10K
+12V
Q37
SS8550D
Q34
2SC3361
R113
47K
R108
470
DGND
R56
10K
+12V
Q40
FJN3303R
DGND
C14
104
DGND
Q36
SS8550D
C13
104
DGND
DGND
VF
D
-D
A
VF
D-C
L
K
VF
D
-S
T
VF
D
-R
E
T
-3
0V
F1
F2
MC
U
+5V
4094-
D
A
4094-
C
L
K
KE
Y
-I
N
ST
B
-K
E
Y
VOL
-A
VO
L
-B
IR
ST
A
N
D
B
Y
-L
E
D
P
O
N
/V
O
L
-L
E
D
GN
D
TO DISPLAY BOARD
VOL-CS
VOL-DA
VOL-MUTE
AN_SW_STB1
AN_SW_CLK
AN_SW_DATA
TONE-DATA
TONE-LATCH
TONE/VOL-CLK
TAPE-CUT
CDR-CUT
DIRECT ON/OF
R62
10K
R57
10K
MCU+5V
MCU+5V
MCU+5V
Software UPDA
R138
33
R1
3
9
3
3
R1
4
0
3
3
R1
4
1
3
3
R1
4
2
3
3
R1
4
3
3
3
R1
4
4
3
3
R1
4
5
3
3
R1
4
6
3
3
R1
4
7
3
3
R1
4
8
3
3
R132
33
R133
33
R134
33
R130
33
R131
33
KF-YL-03
P[1]
P[1]
P[1]
P[1]
P[1]
P[1]
P[1]
P[1]
P[1]
P[1]
P[1]
P[1]
R155
22K
Q38
2SA1162
R154
22K
MCU+5V
AMP-MUTE
P[2]
1
2
3
4
5
6
7
8
CN2
8P(2.0)
Pro OUT MUTE
P[1]
1
2
3
CN11
3P(2.0)
MC
U
+5V
RE
M
DG
ND
DGND
MCU+5V
TO REM IN/OUT BOARD
Q2
2SC3361
Q3
2SA1162GR
R10
4.7K
R13
1.8K
R12
10K
D4
IN4148
D5
IN4148
C10
1U/50
R11
10K
DGND
DGND
1
2
3
SW1
SSYB-22D01-G2-0A
Normal
UPDA
DCD
1
RXD
2
TXD
3
DTR
4
GND
5
DSR
6
RTS
7
CTS
8
RI
9
JK5
6222-09-M-S0-U-01
SP2
SP1
AN_SW_STB2
P[1]
+12V
D6
IN4148
R38
10K
+5V
R41
10K
R34
10K
Q4
2SC3361
DGND
OVER HEAT
OVER_LOAD
R37
22K
Q5
2SC3361
DGND
AMP-MUTE
P[1]
C39
22U/10
DGND
C43
22U/10
DGND
R218
4.7K
3
4
5
1
2
3
4
5
6
CN7
6P(2.5)
DGND
harman/kardon
HK 980/230 Service Manual
Page 36 of 50
Summary of Contents for HK 980/230
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