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6
RECORD INPUT
Gain -0.4, DC offset +2V
NOTE: COMPONENTS ASSOCIATED WITH RECORD INPUT
ARE NOT FITTED
D
C18
LEFT IN
R48
22uF,16V
20.0k 1%
TOP
3
AUDIO_IN_L
2 -
3
J3
DNS
DNS
+4VA
RJ1020A-09
C8
DNS
R58
470pF
DNS
BOTTOM
2
AUDIO_IN_R
20.0k 1%
DNS
1
RIGHT IN
C17
R51
22uF,16V
20.0k 1%
DNS
DNS
C7
470pF
DNS
C
R73
22 ohm
ADC_RESET
R57
22 ohm
DAC_RESET
B
+4VA
A
C28
8
C45
4
+v
U3-C
+v
U1-E
0.1uF
-v
0.1uF
-v
TLC2272CD
MC33079
4
11
-4VA
5
C35
47pF
DNS
R49
+4VA
7.87k 1%
D3
DNS
R38
BAV99
100 ohm
2
1
3
U3-A
1
+
DNS
TLC2272CD
DNS
DNS
R59 20.0k 1%
C60
DNS
0 ohm
C48
1uF
DNS
NOTE: C38 & C60 ARE 0R RESISTORS,
+4VA
C39
FITTED TO GROUND UNUSED ADC INUTS.
47pF
D8
ON THE NEXT REVISION, THEY WILL BE
DNS
BAV99
RE-DESIGNATED AS 'R' INSTEAD OF 'C' PARTS
2
R50
3
7.87k 1%
1
DNS
DNS
R43
6 -
100 ohm
7
U3-B
5
+
TLC2272CD
DNS
+3V3
DNS
C38
0 ohm
C36
C16
C19
C57
1uF
1uF
0.01uF
0.01uF
I2S_BCLK
I2S_LRCLK
I2S_MCLK
I2S_TX0
I2S_TX1
C56
0.1uF
DNS
SCL
+3V3
SDA
C31
0.1uF
DNS
AUDIO POWER SUPPLIES
+5V
U9
LP2985-4.0
1 VIN
VOUT
5
ON/OFF
3
4
BYPASS
C66
GND
10uF
2
C63
0.01uF
4
3
C29
10uF,16V
C50
10uF,16V
+4VA
C32
C33
C64
0.01uF
0.01uF
1uF
4
45
7
9
16
32
VLC
VA
VLS
VD
24 AINL
AOUTA1
40
26 AINR
AOUTB1
39
AOUTA2
37
11 ADC_SCLK
AOUTB2
36
12 ADC_LRCK
AOUTA3
30
NC
1 DAC_SCLK
AOUTB3
29
NC
R42
2 DAC_LRCK
3 MCLK
100 ohm
U2
SDOUT
5
I2S_RX0
46 SDIN1
CS42406-CQZ
47 SDIN2
C54
48 SDIN3
MUTEC1
41
10uF,16V
MUTEC2
38
NC
18 ADC_PDN
MUTEC3
28
NC
10 DAC_RST
C58
0.01uF
13 SCL/CCLK
14 SDA/CDIN
C69
44 ADC_M0
DAC_FILT+
21
22uF,16V
43 ADC_M1
DAC_VQ
22
C59
0.01uF
15 AD0/CS
ADC_FILT+
34
ADC_VQ
25
17 DAC_M1
C70
22uF,16V
6 ADC_384X/256X
19
C27
0.01uF
20
23
C26
27
TST
C30
22uF,16V
10uF,16V
35
42
C37
0.01uF
GND
8
31
33
C47
1uF
R44
10k
C62
1uF
+4VA
C49
C68
3
5
CFLY-
CFLY+
1uF
100uF,16V
U7
2 IN
OUT
1
GND
4
TPS60403
C34
C61
C67
1uF
-4VA
0.1uF
100uF,16V
2
Buttorworth filter
Corner frequency 50kHz
Gain -1.25
R21
11.3k 1%
C23
220pF
R20
R39
R22
9.09k 1%
4.12k 1%
2 -
100 ohm
1
U1-A
3
+
MC33079
C22
C10
1000pF
220pF
R62
11.3k 1%
C41
220pF
R61
R52
R63
9.09k 1%
4.12k 1%
6 -
100 ohm
7
U1-B
5
+
C40
MC33079
C9
1000pF
220pF
R65
11.3k 1%
C42
220pF
R66
R53
R64
9.09k 1%
4.12k 1%
9 -
100 ohm
8
U1-C
10
+
C43
MC33079
C12
1000pF
220pF
R31
11.3k 1%
C24
220pF
R32
R40
R30
9.09k 1%
4.12k 1%
13 -
100 ohm
14
U1-D
12
+
C25
MC33079
C11
+5V
1000pF
220pF
+5V
R9
R36
100 ohm
10k
R35
2
R8
10k
Q5
1
100 ohm
MBT4403
R11
3
Q6
100 ohm
MBT4401
R10
100 ohm
R23
Copyright (c) 2006 Akai Digital Ltd.
1k
COMPANY:
TITLE:
NH00 IO PCB
-4VA
CODEC
PART NUMBER:
9-40-0421-C
9-79-0421-C-0
ASSY NUMBER:
DRAWN:
DATED:
P.Gaggs
12 Feb 07
FILENAME:
NH00IOC00C.sch
RELEASED:
DATED:
SCALE:
1
REVISION RECORD
LTR
ECO NO:
APPROVED:
DATE:
OUTPUT A
D
3
TOP
LEFT
J4
RJ1020A-09
RIGHT
2
BOTTOM
1
Q2
Q1
2SD2114K
2SD2114K
C
OUTPUT B
3
TOP
LEFT
J5
RJ1020A-09
2
BOTTOM
RIGHT
1
B
Q4
Q3
2SD2114K
2SD2114K
NUMARK
A
REV:
SIZE:
C
SHEET:
1
OF
3
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