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6
D
C
B
+5V
A
4
U2-E
C1
+v
C11
-v
0.1uF
11
0.1uF
-5V
5
DAC OUTPUT BUFFERS CH 1/2
10.7k 1%
C52
R104
R98
4.12k 1%
CH1_DAC
9.53k 1%
22uF,16V
C112
1000pF
Gain = +4.187dB = UB0's non-inverting gain
2nd order Butterworth, MFB type
-3dB Cutoff = 50kHz
10.7k 1%
C51
R105
R99
4.12k 1%
CH2_DAC
22uF,16V
9.53k 1%
C113
1000pF
DAC OUTPUT BUFFERS CH 3/4
10.7k 1%
C240
R332
R330
4.12k 1%
CH3_DAC
9.53k 1%
22uF,16V
C241
1000pF
Gain = +4.187dB = UB0's non-inverting gain
2nd order Butterworth, MFB type
-3dB Cutoff = 50kHz
10.7k 1%
C245
R335
R333
4.12k 1%
CH4_DAC
22uF,16V
9.53k 1%
C243
1000pF
8
U5-C
+v
-v
4
4
3
R103
C114
100pF
2 -
1
U3-A
DAC1_DIRECT
MASTER-GAIN-LEFT-WIPER
3
+
MC33079
R106
C115
100pF
13 -
14
U3-D
DAC2_DIRECT
MASTER-GAIN-RIGHT-WIPER
12
+
MC33079
R331
DAC3_DIRECT
C242
100pF
9 -
8
U2-C
10
+
MC33079
R334
DAC4_DIRECT
C244
100pF
13 -
14
U2-D
12
+
MC33079
2
R13
2 -
1
U5-A
3
+
NJM4580E
1.00k 1%
R9
1.00k 1%
470 ohm
Q26
2SD2114K
R6
6 -
7
U5-B
5
+
NJM4580E
1.00k 1%
R10
1.00k 1%
470 ohm
Q23
2SD2114K
C2
100pF
R7
9.53k 1%
R32
9.53k 1%
R2
6 -
7
U2-B
5
+
MC33079
1.00k 1%
R11
1.00k 1%
470 ohm
Q19
2SD2114K
C4
100pF
R33
9.53k 1%
R5
9.53k 1%
R4
2 -
1
U2-A
3 +
MC33079
1.00k 1%
R12
MUTE_DRIVER
1.00k 1%
470 ohm
Q18
2SD2114K
COMPANY:
TITLE:
AI01 Main PCB
PART NUMBER:
9-40-0598-3
9-79-0598-3
ASSY NUMBER:
DRAWN:
DATED:
CB/KRH
6/23/2011
FILENAME:
AI01MN301A.sch
RELEASED:
DATED:
SCALE:
1
DIRECT USB 1
CH1_PEAK_OUTPUT
2
4
J18
NC
TIP
RING
3
D
SLEEVE
1
C139
C140
R211
JY-6314-01-340
470pF
470pF
CHGND2
DIRECT USB 2
CH2_PEAK_OUTPUT
2
4
J19
NC
TIP
RING
3
SLEEVE
1
C141
C142
JY-6314-01-340
R216
470pF
470pF
C
CHGND2
DIRECT USB 3
CH3_PEAK_OUTPUT
2
J31
4
TIP
NC
RING
3
1
SLEEVE
C143
C144
JY-6314-01-340
R218
470pF
470pF
CHGND2
DIRECT USB 4
CH4_PEAK_OUTPUT
2
4
J32
TIP
NC
RING
3
B
1
SLEEVE
C145
C146
JY-6314-01-340
R220
470pF
470pF
CHGND2
AKAI
A
SIZE:
C
SHEET:
OF
3
4
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