Advertisement
6
+2.5VD
+3.3VD
U2
NCP500SN25T1
+5V
+3.3VD
+12V
5 VOUT
VIN
1
4 NC
ON/OFF
3
N/C
J4
1
GND
2
2
3
C39
22uF
C38
22uF
4
5
C40
0.1uF
6
7
C41
0.1uF
C44
0.1uF
D
8
-12V
9
PHONO_IN_L
10
PHONO_IN_R
11
12
4
18
43
32
13
ADAT_OPTICAL_IN1
14
VD
VLC
VLS
VA
ADAT_OPTICAL_IN2
15
16
DAC_WCLK
7 LRCK/DSD_EN
AOUTA1-
9 SCLK
AOUTA1+
17
DAC_BCLK
18
6 MCLK
19
AOUTB1-
DAC_MCLK
20
DAC0/1
8 SDIN1
AOUTB1+
11 SDIN2
21
DAC2/3
U3
22
DAC4/5
13 SDIN3
AOUTA2-
14 SDIN4
AOUTA2+
23
DAC6/7
24
3 DSDA1
AOUTB2-
25
26
2 DSDB1
AOUTB2+
1 DSDA2
27
I2C_SCLK
28
I2C_SDATA
48 DSDB2
AOUTA3-
47 DSDA3
AOUTA3+
29
ADA_RESET
30
46 DSDB3
45 DSDA4
AOUTB3-
44 DSDB4
AOUTB3+
42 M3/DSDSCLK
AOUTA4-
N/C
AOUTA4+
15 M2/SCL/CCLK
16 M1/SDA/CDIN
AOUTB4-
17 M0/AD0/CS
AOUTB4+
2_75_4382
MUTEC2
19 RST
MUTEC1
10 TST1
FILT+
C
12 TST2
VQ
R37
6.65K 1%
GND
5
31
+3.3VD
C2
0.1uF
J2
1
VCC
R1
DIGOUT
3
ADAT_OPTICAL_IN1
2
GND
100 ohm
GP1FA313RZ
+3.3VD
C1
0.1uF
J1
1
VCC
R2
DIGOUT
3
ADAT_OPTICAL_IN2
2
GND
B
100 ohm
GP1FA313RZ
J10
1
HP_LEFT0
2
HP_RIGHT0
FROM HEADPHONE
3
4
DRIVERS
5
HP_LEFT1
6
HP_RIGHT1
R5
J3-B
5
+
U1-B
C4
6
100 ohm
-
100pF
C16
R10
22uF
56.2k 1%
C11
1500pF
R6
R12
47k
562 ohm 1%
A
R4
J3-A
3
+
U1-A
C3
2
100 ohm
-
C15
100pF
R9
22uF
56.2k 1%
C9
1500pF
R3
R11
47k
562 ohm 1%
5
+5V_LOCAL
+5V
L3
J4 pin 12 is RFx
BLM21BB121SN1
C14
C17
DA PCB board ID:
0.1uF
22uF
RF0 = n/c
RF1 = AGND
C43
22uF
C42
0.1uF
40
CH0-
39
CH0+
37
CH1-
38
CH1+
36
CH2-
35
CH2+
33
CH3-
34
CH3+
30
CH4-
29
CH4+
27
CH5-
28
CH5+
26
CH6-
25
CH6+
23
CH7-
24
CH7+
22
41
20
21
C46
C48
C45
C47
0.1uF
22uF
0.1uF
47uF
+5V_LOCAL
Q18
R89
MBT4401
6.65K 1%
2
1
Q20
MBT4403
Q17
MBT4401
3
MUTE_EN
R88
6.65K 1%
R86
6.65K 1%
R90
6.65K 1%
Q19
MBT4401
R87
-12V_LOCAL
6.65K 1%
C34
470pF
HEADPHONES
1
2
N/C
J9-A
TIP
6
N/C
1
RING
5
TOP
10
C35
470pF
9
SLEEVE
C36
470pF
3
4
N/C
J9-B
TIP
8
N/C
2
RING
7
BOTTOM
12
C37
470pF
11
SLEEVE
13
MC33078
7
PHONO_IN_L
R8
681K 1%
C6
4700pF
+12V
+12V_LOCAL
L1
MC33078
BLM21BB121SN1
1
PHONO_IN_R
C8
C7
R7
0.1uF
22uF
C10
681K 1%
C12
C13
0.1uF
C5
4700pF
0.1uF
22uF
BLM21BB121SN1
L2
-12V_LOCAL
-12V
4
3
R64
6.65K 1%
R80
2.26K 1%
R68
732 ohm 1%
C67
470pF
2 -
C71
1
U7-A
3
2200pF
+
MC33078
R81
2.26K 1%
R72
732 ohm 1%
C75
470pF
R82
6.65K 1%
R65
6.65K 1%
C68
470pF
R85
2.26K 1%
R69
732 ohm 1%
6 -
C72
7
U7-B
5
+
2200pF
MC33078
C76
470pF
R84
2.26K 1%
R73
732 ohm 1%
R83
6.65K 1%
R62
6.65K 1%
R74
2.26K 1%
R66
732 ohm 1%
C65
470pF
2 -
C69
1
U6-A
3
2200pF
+
MC33078
R75
2.26K 1%
R70
732 ohm 1%
C73
470pF
R76
6.65K 1%
R63
6.65K 1%
R79
2.26K 1%
R67
732 ohm 1%
C66
470pF
6 -
C70
7
U6-B
5
+
2200pF
MC33078
R78
2.26K 1%
R71
732 ohm 1%
C74
470pF
R77
6.65K 1%
R40
6.65K 1%
R56
2.26K 1%
R44
732 ohm 1%
C53
470pF
2 -
C57
1
U5-A
3
2200pF
+
MC33078
R57
2.26K 1%
R48
732 ohm 1%
C61
470pF
R58
6.65K 1%
R41
6.65K 1%
R61
2.26K 1%
R45
732 ohm 1%
C54
470pF
6 -
C58
7
U5-B
5
2200pF
+
MC33078
R60
2.26K 1%
R49
732 ohm 1%
C62
470pF
R59
6.65K 1%
R38
6.65K 1%
C51
470pF
R50
2.26K 1%
R42
732 ohm 1%
2 -
C55
1
U4-A
3
2200pF
+
MC33078
C59
470pF
R51
2.26K 1%
R46
732 ohm 1%
R52
6.65K 1%
R39
6.65K 1%
R55
2.26K 1%
R43
732 ohm 1%
C52
470pF
6 -
C56
7
U4-B
5
2200pF
+
MC33078
R54
2.26K 1%
R47
732 ohm 1%
C60
470pF
R53
6.65K 1%
DIFF INPUT
DAC CONVERSION
(BAL -> UNBAL)
0dBFS
9.71dBu
9.71dBu
7.49dBV
7.49dBV
6.70Vp-p
6.70Vp-p
2.37Vrms
2.37Vrms
8
8
8
8
U1-C
U4-C
U5-C
U7-C
+v
C49
+v
C50
+v
C64
+v
C63
-v
-v
-v
-v
4
0.1uF
4
0.1uF
4
0.1uF
4
0.1uF
MC33078
MC33078
MC33078
MC33078
2
R30
220 ohm
Q15
C31
R35
470pF
732 ohm 1%
MBT4401
2SD2114K
Q11
R31
220 ohm
Q16
R36
C32
470pF
732 ohm 1%
MBT4401
2SD2114K
Q12
R26
220 ohm
Q13
C27
R33
470pF
732 ohm 1%
MBT4401
2SD2114K
Q9
R27
220 ohm
Q14
R34
C28
470pF
732 ohm 1%
MBT4401
2SD2114K
Q10
R18
220 ohm
Q7
C23
R23
470pF
732 ohm 1%
MBT4401
2SD2114K
Q3
R19
220 ohm
Q8
C24
R24
470pF
732 ohm 1%
MBT4401
2SD2114K
Q4
R14
220 ohm
Q5
C19
R21
470pF
732 ohm 1%
MBT4401
2SD2114K
Q1
R15
220 ohm
Q6
C20
R22
470pF
732 ohm 1%
MBT4401
2SD2114K
Q2
+9.37dB
COMPANY:
19.08dBu
16.86dBV
19.70Vp-p
6.97Vrms
TITLE:
RF1 D/A PCB
Z1
DAC/ADAT OPTICAL/PHONO
Z2
8
U6-C
+v
PART NUMBER:
-v
9-40-0396-A
MC33078
4
ASSY NUMBER:
9-79-0396-A-0
DRAWN:
DATED:
MEYER/JK
7/12/06
FILENAME:
RF1DAA03A.sch
RELEASED:
DATED:
SCALE:
1
1
2
J8-A
N/C
TIP
6
N/C
RING
5
TOP
CH0 OUT
R29
10
220 ohm
C30
9
SLEEVE
470pF
D
3
4
N/C
J8-B
TIP
8
N/C
RING
7
BOTTOM
CH1 OUT
R32
12
SLEEVE
220 ohm
C33
11
13
470pF
1
2
J7-A
N/C
TIP
6
N/C
RING
5
CH2 OUT
TOP
R25
10
220 ohm
C26
9
SLEEVE
470pF
3
4
J7-B
N/C
TIP
8
N/C
RING
7
BOTTOM
CH3 OUT
R28
12
SLEEVE
220 ohm
C29
11
13
C
470pF
1
2
J6-A
N/C
TIP
6
N/C
RING
5
TOP
CH4 OUT
R17
10
220 ohm
C22
9
SLEEVE
470pF
3
4
J6-B
N/C
TIP
8
N/C
RING
7
BOTTOM
CH5 OUT
R20
12
C25
SLEEVE
220 ohm
11
13
470pF
1
B
2
N/C
J5-A
TIP
6
N/C
RING
5
TOP
CH6 OUT
R13
10
220 ohm
C18
9
SLEEVE
470pF
3
4
J5-B
N/C
TIP
8
N/C
RING
7
BOTTOM
CH7 OUT
R16
12
C21
SLEEVE
220 ohm
11
13
470pF
ALESIS
A
REV: A
SIZE:
C
1
1
SHEET:
OF
Advertisement
