Harman Kardon DVD 22 Service Manual page 30

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