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Mute logic circuit
ESD protection for USB port
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LOCATION-PAD
1826C
1.2
AV BOARD: AUDIO OUTPUT 051006
A3
12
15
Friday, December 02, 2005
Title
Size
Document Number
Rev
Date:
Sheet
of
VOUTR
HW_MUTE
MUTE_AUDIO
A+5V
USB5V
+5VON
+12V
VOUTL
DOWNMIX_R
USB5V
DP1
DM1
DP1
DP1
DM1
DM1
HW_MUTE
DATA/SDA
ADATA2
AMCLK
ADATA1
MCU_MUTE
CLOCK/SCL
ADATA0
ALRCK
ASCLK
DM2
DP2
DM2
USB5V
DP2
DP2
DM2
DM2
DP1
DP2
DM1
ML
DOWNMIX_L
5VON
-12V
USB5V
ALRCK
VOUTR
ASCLK
VOUTL
MD
MC
ML
DATA/SDA
CLOCK/SCL
ADATA0
AMCLK
3.3V
MCU_MUTE
+12V
-12V
IR_IN
D+12V
D-12V
VIDEO5V
SCART_R
SCART_L
A+5V
D+12V
D-12V
DGND
DGND
DGND
DGND
DGND
DGND
DGND
D-12V
5VON
D-12V
D+12V
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
5VON
DGND
DGND
DGND
DGND
DGND
3.3V
3.3V
AVDD
DGND
DGND
DGND
DGND
DGND
DGND
DGND
AVDD
DGND
D+12V
DGND
DGND
D+12V
D-12V
DGND
DGND
DGND
DGND
DGND
EC327
100uF/25V N/A
C301 102 NPO
FB302
50R
R307
4.75K 1%
R318
10K
FB304
50R N/A
C
B
E
3
2
1
Q304
8550
EC309
10U/10V
R308
4.75k 1%
EC307
47uF/25V
R317
4.7K
C304
104
C305
104
C
B
E
4.7K
3
2
1
Q302
DTC343TK
R304
680R
C309
104
D303
1N4148
R324
390R
R330
270R
EC308
47uF/25V
R310
4.7K
R312
680R
Input
Output
J303
SCJ351P00XS0B00
5
6
1
4
3
2
V- V+
U302
LM833M
2
3
6
5
1
7
4
8
R329
10K
R319
10K
EC304
220uF/10V
FB305
50R
R325
4.7K
R313
330R
R327
4.7K
R301
330R
R306
10K
C
B
E
3
2
1
Q303
8550
U307
78L05
3
2
1
IN
GND
OUT
U301
WM8728
1
15
20
19
11
7
18
17
6
4
3
5
16
12
8
2
13
9
14
10
LRCIN
CSBIWL
LATI2S
SCKDSD
VOUTL
DVDD
SDIDEM
MUTEB
DGND
MCLK
BCKIN
ZERO
MODE
VMID
VOUTR
DIN
VREFN
AGND
VREFP
AVDD
R303
1.78k 1%
C340
104
U304
RClamp0514M
1
2
3
4
5
6
7
8
9
10
1
2
VCC
4
5
6
7
GND
9
10
EC323
100uF/25V
CN305
16pin 1.0mm
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
C
B
E
4.7K
3
2
1
Q301
DTC343TK
D301
1N4148 N/A
G302 install hole
1 2 3 4 5 6 7 8 9 10 11
GND GND GND GND GND GND GND GND GND GND GND
RN301
10RX4
1 2
3 4
5 6
7 8
C310
104
EC306
47uF/16V
G301 install hole
1 2 3 4 5 6 7 8 9 10 11
GND GND GND GND GND GND GND GND GND GND GND
C312
104
EC305
47uF/16V
D302
1N4148
R302
330R
U305
PC817
2
1
4
3
R316
7.50k 1%
R320
4.75K 1%
R
GND
L
TOP VIEW
J307
STEREO AUDIO OUTPUT
2
1
3
C302 100p NPO
EC303
100uF/10V
R305
330R
R322
10K
R309
10K
C303
104
C306
680p NPO
R311
7.50k 1%
EC302
47uF/16V
EC301
47uF/16V
R321
4.75k 1%
R328
10K
CN303
4pin 2.0mm
1
2
3
4
CN302
4pin 2.0mm
1
2
3
4
R382
0R
R315
10K
C308
680p NPO
CN301
11pin 2.0mm
1
2
3
4
5
6
7
8
9
10
11
U303
RClamp0514M
1
2
3
4
5
6
7
8
9
10
1
2
VCC
4
5
6
7
GND
9
10
R323
2.2K
R326
4.7M N/A
FB303
50R
R314
1.78k 1%
EC310
47uF/10V
C311 100p NPO
J302
USB-A-05
2
1
3
4
5 6
7 8
GND
D+
D-
+5V
GND GND
GND GND
C307
102 NPO
EC326
100uF/25V N/A
J301
USB-A-05
2
1
3
4
5 6
7 8
GND
D+
D-
+5V
GND GND
GND GND
U311
79L12 N/A
2
1
3
IN
GND
OUT
EC325
100uF/25V N/A
U310
L7812 N/A
1
2
3
IN
GND
OUT
EC324
100uF/25V N/A
harman/kardon
Service manual DVD23EU
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