Read Harman Kardon DVD 18 Service Manual online
A
A
B
B
C
C
D
D
E
E
1
1
2
2
3
3
4
4
SPDIF_OUT
AOUT_FR
AOUT_FL
AOUT_FL
SPDIF_OUT
RCH
AOUT_FR
LCH
AOUT_FL
MUTE
V_REF
MUTE
V_REF
SCART_R
SCART_L
SCART_L
MUTE
LCH
RCH
RCH
OPTICAL
SPDIF_OUT
COAXIAL
GND
AVCC12
GND
GND
GND
GND
GND
GND
GND
AVCC12
GND
GND
AVCC12
M5V
V_REF
GND
GND
GND
GND
GND
GND
+12V
GND
VCC12V
GND
P+5V
GND
GND
VCC12V
VCC3
GND
SPDIF_OUT
3
AOUT_FR
3
AOUT_FL
3
AUDIO_MUTE
3
RCH
4
LCH
4
AOUT_SL
3
AOUT_SR
3
AOUT_SUB
3
AOUT_C
3
mute circuit
(
)
TO AV BORAD
8PIN/2.0mm*8
AUDIO OUT
R80
3k
R80
3k
R79
4.7K
R79
4.7K
C85
1000pF
C85
1000pF
+
-
U4B
NJM4558
NJM4558
+
-
U4B
NJM4558
NJM4558
5
6
7
8
4
R86
470
R86
470
R68
27K
R68
27K
R69
22k
R69
22k
C111
0.1uF
C111
0.1uF
R162
22
R162
22
EC26
10uF/16V
EC26
10uF/16V
R159
3k
R159
3k
CN11
COAX OUT
CN11
COAX OUT
1
2
3
2
3
R85
10K
10K
R85
10K
10K
XP9
XP9
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
Q23
BT3904
Q23
BT3904
C79
82pF
C79
82pF
C76
82pF
C76
82pF
C121
NC
NC
C121
NC
NC
R83
470
R83
470
R160
3k
R160
3k
R75
470
R75
470
+
-
U4A
NJM4558
NJM4558
+
-
U4A
NJM4558
NJM4558
3
2
1
8
4
R130
33
R130
33
C112
100pF/NC
C112
100pF/NC
R163
33
R163
33
EC30
47uF/16V
47uF/16V
EC30
47uF/16V
47uF/16V
Q24
3904
Q24
3904
R78
27K
R78
27K
R82
1.2K
R82
1.2K
C88
10pF
C88
10pF
R73
470
R73
470
R77
3.3K
3.3K
R77
3.3K
3.3K
EC27
100uF/16V
EC27
100uF/16V
C106
220pF
C106
220pF
R91
200
R91
200
C86
1000pF
C86
1000pF
C150
0.1uF
C150
0.1uF
C80
220pF
C80
220pF
R70
3k
R70
3k
R84
4.7K
R84
4.7K
C120
0.1uF
0.1uF
C120
0.1uF
0.1uF
C83
0.1uF
C83
0.1uF
Q21
3904
Q21
3904
+
EC24
220uF/16V
+
EC24
220uF/16V
C81
1500pF
C81
1500pF
C107
220pF
C107
220pF
R71
7.5K
R71
7.5K
R92
100
100
R92
100
100
EC23
10uF/16V
EC23
10uF/16V
R90
10k
R90
10k
EC28
100uF/25V
EC28
100uF/25V
R74
10K
10K
R74
10K
10K
C110
220pF
C110
220pF
Q22
3906
Q22
3906
C105
220pF
C105
220pF
C78
1500pF
C78
1500pF
R87
22K
R87
22K
R72
1.2K
R72
1.2K
R88
36K
R88
36K
R157
3k
R157
3k
C77
220pF
C77
220pF
C84
0.1uF
C84
0.1uF
R164
4.7K/NC
4.7K/NC
R164
4.7K/NC
4.7K/NC
R76
10K
R76
10K
C113
10pF
C113
10pF
C82
0.1uF
C82
0.1uF
R81
7.5K
R81
7.5K
0.1uF
C87
0.1uF
C87
R158
3k
R158
3k
Q20
3906
Q20
3906
R89
100
R89
100
RCA+OPTICAL
P3
RCA/AUDIO OUT
RCA+OPTICAL
P3
RCA/AUDIO OUT
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
Main Board Circuit Diagram: AUDIO
7-7
7-7
Power on mute
Power off mute
Added the COAX ports
harman/kardon
DVD 16 and 18 /230V Service Manual
Page 38 of 39
Click on the first or last page to see other DVD 18 service manuals if exist.