M-Audio Code 49, Service Manual

Page: 12 / 20

1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
D
D
C
C
B
B
A
A
rH
g,
eå
g
eå
g
R6
Vþ
Y
h8
˜u
x
OM
•n
W0
W@
Vþ
T
Ql
Sø
2
0
1
5
/
5
/
1
2
V
0
.
2
{,
˜u
Qq
˜u
1
-
M
K
4
3
&
4
4
-
M
C
U
.
S
c
h
N
ƒž
•Ž
m>
u5
[P
yÑ
b€
g
–P
Ql
Sø
N
ƒž
^
Y'
\-
\q
•G
l4
g
gQ
]å
N
Y'
•S
Ÿ™
Pe
Y'
S¦
C
:
\
U
se
r
s\
A
d
m
i
n
i
st
r
a
t
o
r
\
D
e
skt
o
p
\
M
K
4
x_
P
C
B
_
V
0
.
8
_
1
5
0
4
2
4
\
D
o
cu
m
e
n
t
s\
1
-
M
K
4
3
&
4
4
-
M
C
U
.
S
ch
Oî
e9
rH
g,
Q…
[¹
eå
g
by
h8
1
4
Dew
20140818
==============V0.1
20140815
==============V0.2
20140818
1
TM1629-
Dout,
P
D2
2
RP
12
3
L
2
47uF
10uF
4
E7
22uF
10uF
/10V
5
R12
C20
JP
2
6
C25
473
104
20140822
1
Q2
Q3
Q4
Q5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CN1
HEAD8X2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CN2
HEAD8X2
A
1
B
2
C
3
E1
4
E2
5
E3
6
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
VC C
16
GN D
8
U3
74HC138
SW_SEL
A
SW_SEL
B
SW_SEL
C
GND
SW_SEL
E1
GND
+3.3V
A
1
B
2
C
3
E1
4
E2
5
E3
6
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
VC C
16
GN D
8
U4 74HC138
GND
GND
+3.3V
SEL
#12
SEL
#13
SEL
#14
SEL
#15
C12
104
C13
104
GND GND
1 2 3 4 5 6 7 8 9 10
JP
3
Connect To MainBoard
+5V
GND
C14 104
A+3.3V
ADC_P
AD0
ADC_P
AD1
ADC_SEL
#A
ADC_SEL
#B
ADC_SEL
#C
USART2_TX USART2_RX
R11
330R
R10
330R
RP
6
100R RP
9
100R
SW_SEL
E2
SEL
#8
SEL
#9
SEL
#10
SEL
#11
+3.3V
RP
15
100K
RP
14
100K
RP
7
100R RP
8
100R
SEL
#0
SEL
#1
SEL
#2
SEL
#3
SEL
#4
SEL
#5
RP
10
100R RP
11
100R
SEL
#0
SEL
#1
SEL
#2
SEL
#3
SEL
#4
SEL
#5
SEL
#6
SEL
#7
SEL
#8
SEL
#9
SEL
#10
SEL
#11
SEL
#12
SEL
#13
SEL
#14
SEL
#15
&
DRUMP
AD
Co nn ec t T o D ru mP ad B oa rd
GND
SW_JATG(for test only)
NRST SWCL
K
SWDI
O
1 2 3 4
JP
1
SI
P
4(No stuff)
C7 104
C4 104
C3 104
Y1 8MHz
C1 20p C2 20p
GND
NRST OSC_I
N
OSC_OUT
A+3.3V
+3.3V
+3.3V
+3.3V
GND
GND
GND
USB_DP USB_DM SWDI
O
SW CL K
USART1_TX USB_UP
R3 10K
C15 104
+3.3V
GND
C6
104
C5 104
ADC_AT
SW_SUS
AD C_ MD
AD C_ PB SW _R D0
SW _R D1
SW _R D2
SW _R D3
+3.3V
GND
+3.3V
E2 10uF
/10V
E1 10uF
/10V
GND
ADC_AT
Connect To Aftertouch
1 2 3 4
JP
2
CON4
A+3.3V
R12 330R
GND
USART2_TX
US AR T2 _R X
SW_RD4 SW_RD5 SW_RD6 SW_RD7
SW _S EL A
SW _S EL B
SW _S EL C
SW _S EL E1
VBAT
1
P
C13/TAMP
ER-
RTC
2
P
C14/OSC32_I
N
3
P
C15/OSC32_OUT
4
P
D0/OSC_I
N
5
P
D1/OSC_OUT
6
NRST
7
P
C0/ADC12_I
N10
8
P
C1/ADC12_I
N11
9
P
C2/ADC12_I
N12
10
P
C3/ADC12_I
N13
11
VSSA
12
VDDA
13
P
A0/WK
UP
/ADC12_I
N0
14
P
A1/ADC12_I
N1
15
P
A2/USART2_TX
16
PA 3/U SA RT 2_ RX
17
VS S_ 4
18
VD D_ 4
19
PA 4/A DC 12 _IN 4
20
PA 5/A DC 12 _IN 5
21
PA 6/A DC 12 _IN 6
22
PA 7/A DC 12 _IN 7
23
PC 4/A DC 12 _IN 14
24
PC 5/A DC 12 _IN 15
25
PB 0/A DC 12 _IN 8
26
PB 1/A DC 12 _IN 9
27
PB 2/B OO T1
28
PB 10 /US AR T3 _T X
29
PB 11 /US AR T3 _R X
30
VS S_ 1
31
VD D_ 1
32
SP
I2_NSS/P
B12
33
SP
I2_SCK
/P
B13
34
SP
I2_MI
SO/P
B14
35
SP
I2_MOSI
/P
B15
36
TI
M3_CH1/P
C6
37
TI
M3_CH2/P
C7
38
TI
M3_CH3/P
C8
39
TI
M3_CH4/P
C9
40
TI
M1_CH1/P
A8
41
USART1_TX/P
A9
42
USART1_RX/P
A10
43
USBDM/CANRX/P
A11
44
USBDP
/CANTX/P
A12
45
JTMS/SWDI
O/P
A13
46
VSS_2
47
VDD_2
48
JT CK /SW CL K/P A1 4
49
JT DI/P A1 5
50
PC 10
51
PC 11
52
PC 12
53
TIM 3_ ET R/P D2
54
JT DO /PB 3
55
JN TR ST /PB 4
56
I2 C1 _S MB Al/P B5
57
I2 C1 _S CL /PB 6
58
I2 C1 _S DA /PB 7
59
BO OT 0
60
TIM 4_ CH 3/P B8
61
TIM 4_ CH 4/P B9
62
VS S_ 3
63
VD D_ 3
64
U1 STM32F
103RBT6
ADC_P
AD0
ADC_P
AD1
AD C_ SL ID ER 0
AD C_ SL ID ER 1
C20 391
SW _S EL E2
A+3.3V
ADC_P
B
R24
200K
R25
200K
R23
100R
C17 102
C16 102
ADC_MD
1 2 3 4 5 6
JP
4
S6B-
P
H-
K
L
(L
F
)(SN)
GND
GND
GND
Aftertouch
Co nn ec t T o W he el
DIN
SC LK
ST B1
RP
2
100R
R1 10K
GND
R2 0R
ADC_SEL
#A
ADC_SEL
#B
ADC_SEL
#C
RP
3
100R
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
CN3 HEAD10X2
SEL
#12
SEL
#13
SEL
#14
SEL
#15
SEL
#8
SEL
#9
SEL
#10
SEL
#11
SEL
#6
SEL
#7
A
1
B
2
C
3
E1
4
E2
5
E3
6
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
VC C
16
GN D
8
U2 74HC138
GND
+3.3V
C8
104
GND
RP
4
100R RP
5
100R
EC_SEL
#0
EC_SEL
#1
SW_RD0 SW_RD1 SW_RD2 SW_RD3 SW_RD4 SW_RD5 SW_RD6 SW_RD7
SW_RD#0 SW_RD#1 SW_RD#2 SW_RD#3 SW_RD#4 SW_RD#5 SW_RD#6 SW_RD#7
SW_RD#0 SW_RD#1 SW_RD#2 SW_RD#3 SW_RD#4 SW_RD#5 SW_RD#6 SW_RD#7 SW_RD#0 SW_RD#1 SW_RD#2 SW_RD#3 SW_RD#4 SW_RD#5 SW_RD#6 SW_RD#7 SW_RD#0 SW_RD#1 SW_RD#2 SW_RD#3 SW_RD#4 SW_RD#5 SW_RD#6 SW_RD#7
BT_SEL
#0
BT_SEL
#1
BT_SEL
#2
BT_SEL
#3
BT_SEL
#4
SW_SEL
A
SW_SEL
B
SW_SEL
E1
SW_SEL
E2
SW_SEL
C
+3.3V
SW_SEL
A
SW_SEL
B
SW_SEL
C
SW_SEL
E1
SW_SEL
E2
To 24Key To 25Key To 37Key
ST B2
AD C_ VO LU ME
XY PA D_ Y+
XY PA D_ X+
XY PA D_ X-
XY PA D_ Y-
RP
1
100R
P
C8
P
C7
P
C6
C80
101(No stuff)
C81
101(No stuff)
C82
101(No stuff)
C83
101(No stuff)
C84
101(No stuff)
C85
101(No stuff)
C86
101(No stuff)
C87
101(No stuff)
C88
101(No stuff)
C89
101(No stuff)
C90
101(No stuff)
C91
101(No stuff)
C92
101(No stuff)
C93
101(No stuff)
C94
101(No stuff)
C95
101(No stuff)
GND
SEL
#0
SEL
#1
SEL
#2
SEL
#3
SEL
#4
SEL
#5
SEL
#6
SEL
#7
SEL
#8
SEL
#9
SEL
#10
SEL
#11
SEL
#12
SEL
#13
SEL
#14
SEL
#15
FCC
1 2 3 4
JP
5
F
P
C1.0-
4P
B
XYP
AD_Y+
XYP
AD_X+
XYP
AD_X-
XYP
AD_Y-
Connect to X
Y-PAD
RP
13
100K
GND
FPC
X
Y
-P
AD
P
D2
BOL
T1
BOL
T
BOL
T2
BOL
T
BOL
T3
BOL
T
BOL
T4
BOL
T
BOL
T9
BOL
T
BOL
T14
BOL
T
BOL
T8
BOL
T
BOL
T13
BOL
T
BOL
T7
BOL
T
BOL
T12
BOL
T
BOL
T6
BOL
T
BOL
T11
BOL
T
BOL
T5
BOL
T
BOL
T10
BOL
T
USART1_RX
RP
16
100R
R44
22R
R45
22R
USB_DM USB_DP
R43
1.5K
USB_UP
D4 SS14
C9 104
GND
C10 104
+3.3V
E3 10uF
/10V
E4 10uF
/10V
L
2
10uH
C11 104
E7 10uF
/10V
A+3.3V
R28 100R
Q1 MMBT3906
R21 1K
+3.3V
C24 391
GND
USART1_TX
TX1
+3.3
GND2
GND3
GND4
GND1
R29 100R
+3.3V
R9 10K
SW_SUS
D2 L
L
4148
D3 L
L
4148
GND
A+3.3
Co nn ec t T o J ac k b oa rd
+5V
+5V
C18 104
C19 104
E6
220uF
/16V
E5 220uF
/16V
L
1
4.7uH
GND
SUS_JACK
MI
D_JACK
DM_JACK DP
_JACK
Vdc
1 2 3 4 5 6 7 8 9
10 11 12
AN1
CON12
GND
DM_JACK DP
_JACK
MI
D_JACK
SUS_JACK
Vdc
VOL
UME_UP
VOL
UME_JACK
R22 1K
A+3.3V
R26 1K
R18 100K
C25 104
VOL
UME_JACK
GND
VOL
UME_UP
ADC_VOL
UME
R4
220R
GND
R6 10K
D8
L
L
4148
USART1_RX
+3.3V
C23 104
1 2
4 3
P
C1
EL
357
Q3 MMBT3904
R5
470R
RX1
MI
DI
_I
N+
P
WR_SW2
MI
DI
_I
N+
Q3' BC847CW
MI
DI
_I
N-
MI
DI
_I
N-
C96 5pF
C97 5pF
GND
3
2
1
V
V
GND
IN
OUT
U6 HT7833
R19 1M
Q2 MMBT3904
R13 47K
R15
10K
GND
R34 10K
EXSW_I
N#
P
WR_SW2
+3.3V
Q5 MMBT3906
R8
10K
R20 1K
R17 10K
C22 105
R27 100R
GND
P
OWER_ON
Vin
Vin
P
GND
1
VI
N
2
AGND
3
F
B
4
COMP
5
EN
6
L
X
7
L
X
8
U5 AOZ1016AI
E8
680uF
/16V
Vin
R35 51K R36 10K
R37 9.1K
C26 222
Q4
MMBT3904
GND
R16 10K
R14 100K
EXSW_I
N#
P
OWER_ON
F
B1
CBG160808U601
F
B2
CBG160808U601
F
B3
CBG160808U601
F
B4
CBG160808U601
F
B5
CBG160808U601
F
B6
CBG160808U601
Q2' BC847CW
Q4'
BC847CW
D1 3.3V
F
B7
CBG160808U601
F
B8
CBG160808U601
F
B9
CBG160808U601
F
B10
CBG160808U601
C70 101(No Stuff)
C71 101(No Stuff)