A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
HPOUT_R
A_MUTE
HPOUT_L
HPOUTL
HPOUTL
+12VAUDIO
GPIO17
AI
N
1
R
AI
N
1
L
HPV DD
VMIDDAC
AD CREFP
VMIDADC
AI
N
3
R
AI
N
5
R
AI
N
5
L
AI
N
3
L
HPO
U
T
_
L
S
C
L14
MUT
E
DACV33
DV
D
D
A
DCV3
3
SDA
1
4
HP
O
U
T
_
R
HPV
D
D
HPG
N
D
DA CREFP
AOBCLK1
AOSDATA1
AOMCLK1
AOLRCK1
RESET_8
2
9
1
VMIDADC
VMIDDAC
AR
AL
SDA14
SCL14
SDA
S CL
VOUT
0
R
VOUT0L
AOSDATA3
A DIN
GPIO8_BCLK
GPIO7_LRCK
GPIO9_MCLK
RESET_8291
HPV DD
HPOUTL
HPDET#
A_MUTE
ADCGND
DACRE FN
ADCRE FN
DACGND
AOBCLK1
AOLRCK1
AOMCLK1
GPIO8_BCLK
GPIO7_LRCK
GPIO9_MCLK
HPOUTR
HPOUTR
A_MUTE
HPOUTR
A_MUTE
A_MUTE
MUTE
A_MUTE
VMIDDAC
OFF_MUTE
GPIO17
A_MUTE
AD CREFP
DACV33
DA CREFP
ADCV33
DV DD
VOUT0L
A_MUTE
A_MUTE
VOUT0R
GPIO23
HPDET#
HPOUTR
AR
AL
OFF_MUTE
+12VAUDIO
HPVDD
+12VAUDIO
ADCREFP
DACV33
DVDD
ADCV33
DACREFP
DV33B
DV33B
VCC
AVR_OUT
10
+12VAUDIO
2,13
SCT1_AUR_IN
10
SCT1_AUL_IN
10
VGAIN_R
6
VGAIN_L
6
AV0SY0_L
9
AV0SY0_R
9
SCL
2,4,6,8
SDA
2,4,6,8
AOBCLK1
4
AOLRCK1
4
AOMCLK1
4
AOSDATA1
4
AOSDATA3
4
GPIO8_BCLK
4
GPIO7_LRCK
4
GPIO9_MCLK
4
ADIN
4
ERO3_GPIO
4
8291_MUTE
4
AVL_OUT
10
AMP_R
13
AMP_L
13
GPIO17
4
GPIO23
4
Title
Size
Document Number
R e v
Date:
Sheet
o f
<Doc>
C3B
MT8291/AUDIO CODEC
C
11
14
Tuesday, May 29, 2007
HEADPHONE AUDIO OUTPUT
PROJECT :E9T-PV
SCART AUDIO OUT
AUDIO AMP
CB80
0.1uF/6
CC0603
R342
4.7k/6/NC
Q32
2SD2653K
2
1
3
+
CE136
10uF/25V
CAR200
1
2
CB76
0.1uF/6
CC0603
R202
33R/6
+
CE22
100uF/16V
1
2
Q27
2SD2653K
2
1
3
R205
33R/6
R410
3.3k/6
R197
33R/6
+
CE29
10uF/25V
1
2
CB88
0.1uF/6
1
2
R335
47k/6
R201
33R/6
R350 5.1k/6
Q13
2N3904
SOT23
2
1
3
CB84
10pF/6/NC
1
2
Q17
2SD2653K
2
1
3
R187
34.5K/6
C216
4.7nF/6
1
2
R345
470R/6
Q16
2SD2653K
2
1
3
R384
470R/6
R404
5.6k/6/NC
+
C137
10uF/25V
1
2
CB111
0.1uF/6
R203
33R/6
C218
4.7nF/6
1
2
R221
0R/6
+
CE20
10uF/25V
1
2
R190
34.5K/6
CB78
0.1uF/6
CC0603
R411
3.3k/6
R406
20/6
R336
10K/6/NC
L31
Bead_121_4A/8
RC0805
CB85
10pF/6/NC
1
2
R196
34.5K/6
+
CE135
10uF/25V
CAR200
1
2
R337
10K/6
CB75
0.1uF/6
CC0603
R339
200R/6
CB87
0.1uF/6
1
2
R382
1k/6
Q28
2N3904
2
1
3
CB89
0.1uF/6
1
2
CB74
0.1uF/6
CC0603
R407
4.7k/6
+
CE35
10uF/25V
CAR200
1
2
R230
1k/6
TP42
R199
33R/6
+
CE23
10uF/25V
1
2
R346
470R/6
R326
100k/6
D49
4148
CB86
10pF/6/NC
1
2
+
CE53
33uF/25V
CAR315
R403 5.1k/6/NC
C217
4.7nF/6
1
2
CB77
0.1uF/6
CC0603
R195
34.5K/6
Q29
2SD2653K/NC
2
1
3
R206
100R/6
R383
1k/6
R207
100R/6
R204
33R/6
+
CE28
10uF/25V
1
2
+
CE31
330uF/25V
CAR315
+
CE25
10uF/25V
1
2
Q12
2N3906
2
1
3
CB83
10pF/6/NC
1
2
R189
34.5K/6
R338
47k/6
+
CE21
10uF/25V
1
2
CB98
0.1uF/6
1
2
R218
10k/6
TP40
D46
EZJZ0V800AA/NC
1
2
+
CE24
33uF /25v
R217
1k/6
R222
1k/6
Q18
2SD2653K
2
1
3
D61
4148/NC
Q15
2N3906
2
1
3
+
CE30
330uF/25V
CAR315
1
2
R385
470R/6
CB82
10pF/6/NC
1
2
R347
470R/6
R198
33R/6
C134
10uF/10V/8
CC0805
C131
10uF/10V/8
CC0805
TP39
CB79
0.1uF/6
CC0603
TP41
TP43
C132
10uF/10V/8
CC0805
+
CE32
330uF/25V
CAR315
1
2
CB81
10pF/6/NC
1
2
R210
100R/6
L32
Bead_121_4A/8
Q33
2SD2653K
2
1
3
R235
1k/6
R200
33R/6
C219
4.7nF/6
1
2
Q14
2SD2653K
2
1
3
R209
100R/6
R349
1k/6
R216
1k/6
TP54
D47
EZJZ0V800AA/NC
1
2
R208
4.7k/6
C133
10uF/10V/8
CC0805
R405
20/6
R220
47k/6
+
CE37
10uF/25V
CAR200
1
2
C129
10uF/10V/8
CC0805
U19
MT8291
AIN6L
1
AIN7R
2
AIN7L
3
BCLK0
4
LRCK0
5
MCLK0
6
DIN0
7
DIN1
8
BCLK1
9
LRCK1
10
MCLK1
11
DOUT
12
DGND
13
DV
DD
14
R
ESET
#
15
MU
TE#
16
DI
17
CL
18
HP
OUT
L
19
HP
GND
20
H
PVD
D
21
HP
OUT
R
22
VO
U
T
0
L
23
VO
U
T
0
R
24
VOUT1L
25
VOUT1R
26
AVDD
27
VMIDDAC
28
DACGND
29
DACREFN
30
DACREFP
31
DAV33
32
VIMDADC
33
ADCREFN
34
ADCREFP
35
ADCGND
36
A
DCV
33
37
AIN
1
R
38
AIN
1
L
39
AIN
2
R
40
AIN
2
L
41
AIN
3
R
42
AIN
3
L
43
AIN
4
R
44
AIN
4
L
45
AIN
5
R
46
AIN
5
L
47
AIN
6
R
48
R351
2k/6
TP44
C130
10uF/10V/8
CC0805
AJ1
ZD005D100
5
4
3
2
1
TP55
R188
34.5K/6
Summary of Contents for AT1921
Page 15: ...PCB CONDUCTOR VIEW MAIN BOARD ...
Page 16: ......
Page 17: ...BUTTON BOARD ...
Page 18: ...USB BOARD ...
Page 19: ...POWER BOARD ...
Page 26: ... 26 Real View Top View ...
Page 27: ...Side View unit mm ...
Page 44: ......
Page 61: ......