15
D
VR 50 - Re
v
. 011105-2
Components having special characteristics or critical for safety are
identifi ed by
mark and must be replaced with components
specifi ed by the manufacturer.
Schematic diagram is subject to change without notice.
1
2
3
4
5
A
B
C
D
E
F
Schematic diagram - Audio board 5/10
15
GPIO10
+2.5VD
+2.5VD
+2.5V
D
+2.5V
D
+2.5VD
+2.5VD
GPIO10
+3.3VD
+2.5VA
+2.5VD
+3.3VD
+3.3VD
+3.3VD
+2.5VA
+3.3VD
+3.3VD
+3.3VD
+3.3VD
EQ_DATA1
EQ_DATA2
EQ_DATA3
EQ_LRCLK
EQ_SCLK
EQ_MCLK
DIR_LRCLK
DIR_SCLK
DIR_DATA
ADC_LRCLK
ADC_SCLK
ADC_DATA
DIR_MCLK
DAC_DATA
DAC_LRCLK
DAC_MCLK
SCL
CLK_SEL
DIT_MCLK
DIT_SCLK
DIT_LRCLK
DIT_DATA
/Audio
MCLK
ADC_MCLK
DAC_SCLK
SPDIF_ERR
/A_RESET
/ERR_RCVY
SEL_A
/RESET
SEL_B
SDA
/INT
/MUTE
GND
+3.3V
+2.5V
/SPDIF_ERR_SENSE
Title
Size
Document Number
R e v
Date:
Sheet
o f
DSP
3.0
Audio Processing Board
A3
5
11
Wednesday June 04 2003
Amplifier error signal FF
Revision history
3.0: GPIO5 used to reset amp, R528 added.
3.0: Ports DET_AUX, DET_VCR, DET_TV is removed.
3.0: R529 & R530 added.
3.0: D503 added.
3.0: R508-R511 & R527changed to 1K.
3.0: C516-C519 added.
A capacitor pair (1uF and 0.1uF) must be placed at each power pin
C509
100nF
R512
10K
C511
100nF
+
C503
1uF/50V
C502
100nF
R525
33R
U502A
74HC74
D
2
CLK
3
Q
5
Q
6
S
4
R
1
R501
4K7
R530
3K3
R524 33R
C519
100nF
R522
33R
L501
BEAD
R529
3K3
R527
1K
D501
BAV99
C514
220pF
R513
3K3
R528
4K7
+
C505
1uF/50V
R520
200K
C504
100nF
U502C
74HC74
Vcc
14
Vss
7
R502
4K7
Q502
2N3904
C517
100nF
U502B
74HC74
D
12
CLK
11
Q
9
Q
8
R
13
S
10
R521
33R
R517
10K
+
C507
1uF/50V
R508
1K
R514
3K3
R507
4K7
R515
4K7
C506
100nF
R519
10K
C510
100nF
R523
33R
R503
3K3
R518
10K
R526
4K7
D502
BAV99
U503A
74LVC157A
1A
2
1B
3
2A
5
2B
6
3A
11
3B
10
4A
14
4B
13
1Y
4
2Y
7
3Y
9
4Y
12
G
15
A/B
1
D503
BAV99
+
C508
1uF/50V
R509
1K
R510
1K
R504
3K3
+
C501
1uF/50V
R506
4K7
C516
100nF
U503B
74LVC157A
Vcc
16
Vss
8
R516
4K7
+
C512
2.2uF/50V
Q501
2N3904
C513
10nF
R505
4K7
U501
CS493264-CL
VD
1
DGND1
2
AUDATA3
3
GPIO10
4
GPIO11
5
SCDIN
6
SCL
7
GPIO7
8
GPIO6
9
GPIO5
10
GPIO4
11
VD2
12
DGND2
13
GPIO3
14
GPIO2
15
GPIO1
16
GPIO0
17
CS
18
SDA
19
INT
20
GPIO8
21
SDATAN1
22
VD3
23
DGND3
24
SCLKN1
25
LRCLKN1
26
SDATAN2
27
SCLKN2
28
LRCLKN2
29
CLKIN
30
CLKSEL
31
FILT2
32
FILT1
33
VA
34
AGND
35
RESET
36
DD
37
DC
38
AUDATA2
39
AUDATA1
40
AUDATA0
41
LRCLK
42
SCLK
43
MCLK
44
C518
100nF
R511
1K