M-Audio Venom Service Manual

G0
S0-49
C
PART NUMBER:
ASSY NUMBER:
REV:
SIZE:
TITLE:
COMPANY:
RELEASED: DATED:
CHECKED: DATED:
DATED:DRAWN:
SCALE:
FILE NAME:
1:1
REVISION RECORD
APPROVED:ECO NO:LTR DATE:
123456
D
C
B
A
C
D
B
A
CE
SHEET: OF
3.4Vpp FS
3.0Vpp FS
+0.5dBV
+1.6dBV
12dBV
AK4384 Control Pins
6: SMUTE, L=disabled
7: Auto MCLK, L=manual
8: Data, H=I2S
5: Power Down, H=normal
9: Control Data, H=parallel
Line Out R
Line Out L
11/12/2010
6 6
Updated mute circuit
Change C21 to 47uF/16V 1.5mm spacing
Changed filter values
to match Mother
to fix osc problem
changed 3.3 and 5.0 power
ADC
2
AINL
1
AINR
6
VA
9
SDO
12
SCLK
10
LRCK
11
MCLK
8
DGND
7
VD
14
DIF
5
AGND
4
VCOM
13
PDN
16
CKS0
3
CKS1
15
CKS2
U1
AK5358VT
C1
100nF
C2
100nF
C3
100nF
+
C5
10uF
16V
+
C6
2.2uF
16V
+
C7
10uF
16V
R1 5R1
+
C4
10uF
16V
C8
100nF
8
4
U3-C
NJM4580M
R33
240R
C49
100nF
R128 20R
R30
240R
+
C113
10uF
16V
+
C114 10uF
16V
R31
10K
R42
10K
B
E
C
Q1
MMBT3904
B
E
C
Q3
MMBT3904
C9
100nF
DAC
12
VCOM
11
OUTL
16
DZFL
3
SDTI
2
BCLK
4
LRCK
1
MCLK
13
VSS
14
VDD
15
DZFR
10
OUTR
9
P/S
5
PD
6
CS
7
CCLK
8
CDTI
U2
AK4384VT +
C10
10uF
16V
C11
100nF
-
+
2
3
1
U3-A
NJM4580M
C12
220pF
R2 3K01 R95 12K
C13
220pF
R3 24KR4 10K
-
+
6
5
7
U3-B
NJM4580M
C14
220pF
R5 3K01 R6 12K
C17
220pF
R8 24KR101 10K
+
C18
10uF
16V
R9
10K
+
C19
10uF
16V
R10
10K
R106
20K
R117 4K7
+
C20
47uF
16V
D4
1N4148
1
B
2 E
3
C
Q7
MMBT3906
1B
2
E
3
C
Q9
MMBT3906
R11 10K
R12 10K
C22
100nF
C23
100nF
C116
1000pF
C128
1000pF
1
2
3
4
5
6
J15
SIL 6 PIN 2.54mm
R87 10K
R89 4K7
R90 511R
C91
100pF
C94
100pF
3
IN
2
OUT
1
GND
4
TAB(OUT)
U7
LT1117CST-5.0
C28
100nF
C38
100nF
+
C42
10uF
16V
+
C43
10uF
16V
C44
100nF
R25 5R1
1
S
3 R
2
T
4
TS
J7
CON/1/4"/LJB0660-4R
1/4" STEREO JACK
1
S
3 R
2
T
4
TS
J8
CON/1/4"/LJB0660-4R
1/4" STEREO JACK
+
C21
47uF
16V
+5.0VA
AGND
AINR
AINL
AGND
+5.0VA
DAAD0
CLBD
WSBD
CKOUT
DABD0
LOUT
+3.3V
LINEOUT_L
LINEOUT_R
AGND
+VA
AGND AGND
AGND
-VA
AGND
AGND
+5.0VA
LOUT
ROUT
ROUT
AGND
AGND
AGND
AGND
+VA
AGND
AGND
AGND
MUTE
MUTE
LINEOUT_L
LINEOUT_R
+VA -VA
AGND
AGND
+5.0VA+VA
AGND

M-Audio Venom Specifications

General

Synthesis Type	Virtual Analog
Polyphony	12 voices
Oscillators	3 per voice
Arpeggiator	Yes
Headphone Output	1 x 1/4" TRS
Effects	Distortion, delay, reverb, chorus, phaser
Keyboard	49 keys
MIDI	In, Out, USB
Audio Outputs	2