Read Harman Kardon DVD 22 (serv.man7) Service Manual online
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
FRONT_L1
FRONT_L
FRONT_R1
RESET_n
SPDIF#1
MUTECTRL
VOUTR
HW_MUTE
VCC
GND
FRONT_R
VOUTR
VOUTL
AMCLK
VOUTL
ADATA0
ASCLK
ML
MC
MD
MD
MUTECTRL
ALRCLK
TDO
RESET_n
RESET_n
A+12V
A-12V
VCC5V
SPDIF
ML
CLOCK/SCL
DATA/SDA
DATA/SDA
ALRCK
ASCLK
ADATA0
ADATA0
AMCLK
PRE_MUTE
AAGND
A-12V
A+12V
A-12V
A+12V
AAGND
AAGND
A-12V
AAGND
VCC5V
AAGND
VCC5V
DGND
DGND
A-12V
A+12V
DGND
VCC5V
DGND
DGND
DGND
DGND
DGND
DGND
A+12V
A-12V
AAGND
AAGND
AAGND
AAGND
AAGND
AAGND
AAGND
AAGND
AAGND
AAGND
AAGND
DAC+5V
FRONT-R1
FRONT-L1
RESET_n
Title
Size
Document Number
Rev
Date:
Sheet
of
Harman Kardon, Northridge, California 91329, USA
1288C
2.2
DVD280 AUDIO OUT
A2
8
15
Saturday, August 28, 2004
Title
Size
Document Number
Rev
Date:
Sheet
of
Harman Kardon, Northridge, California 91329, USA
1288C
2.2
DVD280 AUDIO OUT
A2
8
15
Saturday, August 28, 2004
Title
Size
Document Number
Rev
Date:
Sheet
of
Harman Kardon, Northridge, California 91329, USA
1288C
2.2
DVD280 AUDIO OUT
A2
8
15
Saturday, August 28, 2004
TO SCART
MUTE LOGIC
SPDIF Interface
VILmax=0.8V
VIHmin=2.0V
VIHmin=2.0V
SPDIF
OPTICAL
OPTICAL
SPDIF
COAX
COAX
RIGHT
LEFT
2 Channel AUDIO
0805 NPO capacitance: C44 C45 C46 C48 C50 C51
SPDIF IR TX SHARP GP1FA513TZ
2
3
6
5
1
7
4
8
V-
V+
U3
LM833M
V-
V+
U3
LM833M
C34
47uF NP
10V
C34
47uF NP
10V
1
2
D12
1N4148
1N4148
D12
1N4148
1N4148
R29
680R
R29
680R
R24
1.78K 1%
R24
1.78K 1%
R34
7.50K 1%
R34
7.50K 1%
+1.6V
+1.6V
R32
330R
330R
R32
330R
330R
R26
4.75K 1%
R26
4.75K 1%
L5
FB
L5
FB
5
6
U6C
74HC14/SO
U6C
74HC14/SO
3
1
2
TOP VIEW
GND
CSY
SIG
J7
TOP VIEW
GND
CSY
SIG
J7
C53
100p
100p
C53
100p
100p
1
2
D11
1N4148
D11
1N4148
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
RN571
10RX4
RN571
10RX4
CB19
104
104
CB19
104
104
+5V
+5V
R5B
4.7k
R5B
4.7k
R35
4.75K 1%
R35
4.75K 1%
3
4
U6B
74HC14/SO
U6B
74HC14/SO
FB17
FB17
C39
104
104
C39
104
104
C76
100U/10V
100U/10V
C76
100U/10V
100U/10V
1
2
D13
1N4148
D13
1N4148
C49
104
104
C49
104
104
C37
47uF
16V
C37
47uF
16V
C51
680pF
C51
680pF
R22
330R
330R
R22
330R
330R
C66
47UF/16V
47UF/16V
C66
47UF/16V
47UF/16V
C
B
E
4.7K
3
2
1
Q2
SMT3
DTC343TK
ROHM
ROHM
C
B
E
4.7K
3
2
1
Q2
SMT3
DTC343TK
ROHM
ROHM
R8
0R
R8
0R
R31
330R
R31
330R
CB20
104
104
CB20
104
104
R10
0R
R10
0R
D17
4148
D17
4148
C36
47uF NP
10V
C36
47uF NP
10V
3
2
1
Q3
8550
Q3
8550
C48
680pF
C48
680pF
C46
100pF
C46
100pF
C35
10U/10V
C35
10U/10V
C45
1nF
C45
1nF
2
1
3
R
GND
L
TOP VIEW
J6
R
GND
L
TOP VIEW
J6
LRCIN
1
CSBIWL
15
LATI2S
20
SCKDSD
19
VOUTL
11
DVDD
7
SDIDEM
18
MUTEB
17
DGND
6
MCLK
4
BCKIN
3
ZERO
5
MODE
16
VMID
12
VOUTR
8
DIN
2
VREFN
13
AGND
9
VREFP
14
AVDD
10
U5
WM8728
U5
WM8728
R19
4.75K 1%
R19
4.75K 1%
C60
100uF/50V
C60
100uF/50V
1
2
U6A
74HC14/SO
74HC14/SO
U6A
74HC14/SO
74HC14/SO
3
2
1
Q4
8550
Q4
8550
R33
1.78K 1%
R33
1.78K 1%
C67
47UF/16V
C67
47UF/16V
R30
330R
330R
R30
330R
330R
C52
100p
100p
C52
100p
100p
C33
47uF
16V
C33
47uF
16V
1
2
D10
1N4148
D10
1N4148
R44
1K
1K
R44
1K
1K
C44
100pF
C44
100pF
R36
150R
R36
150R
+
C28
220uF/10V
+
C28
220uF/10V
R55
1K
R55
1K
R37
110R
110R
R37
110R
110R
9
8
U6D
74HC14/SO
74HC14/SO
U6D
74HC14/SO
74HC14/SO
C71
104
104
C71
104
104
R21
680R
R21
680R
R23
10K
10K
R23
10K
10K
R46
10K
10K
R46
10K
10K
1
2
D9
1N4148
D9
1N4148
R42
10K
10K
R42
10K
10K
R4A
4.7k
R4A
4.7k
CB13
104
104
CB13
104
104
CB21
104
104
CB21
104
104
CB11
104
104
CB11
104
104
R43
100R
100R
R43
100R
100R
R20
10K
R20
10K
R25
7.50K 1%
R25
7.50K 1%
R41
10K
10K
R41
10K
10K
C
B
E
4.7K
3
2
1
Q1
SMT3
DTC343TK
ROHM
C
B
E
4.7K
3
2
1
Q1
SMT3
DTC343TK
ROHM
R45
2.2K
2.2K
R45
2.2K
2.2K
C42
104
104
C42
104
104
R18
10K
10K
R18
10K
10K
R39
220R
220R
R39
220R
220R
1
2
3
Fiber Optic TX
Module
Module
TOP VIEW
GND
VCC
VIN
DRIVER
IC
J8
SPDIF IR TX SHARP GP1FA550TZ
Fiber Optic TX
Module
Module
TOP VIEW
GND
VCC
VIN
DRIVER
IC
J8
SPDIF IR TX SHARP GP1FA550TZ
C61
100uF/50V
C61
100uF/50V
+
C59
10uF/10V
+
C59
10uF/10V
R28
10K
10K
R28
10K
10K
R40
15K
R40
15K
R38
22R
R38
22R
C50
1nF
C50
1nF
R27
4.75K 1%
R27
4.75K 1%
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