BBK AV220 - Page 12

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Title
Number RevisionSize
B
Date: 3-Sep-2003 Sheet of
File: E:\BBKAV2~2\SCH\922MOD.SCH Drawn By:
1
2
3
U2A
74HC02
4
5
6
U2B
74HC02
8
9
10
U2C
74HC02
11
12
13
147
U2D
74HC02
R2
2K2
R3
4K7
R4
47K
R5
10K
C3
33p
C4
100n
C6
33p
C19
470p
C17
100n
C16
100n
C15
100n
C8
100n
C1
100n
C10
100n
C9
4n7
C5
100n
C23
100n
C21
100n
C22
100n
C2
1n
C7
100n
C20
100n
C18
100n
C11
100n
C12
100n
C14
22p
C13
22p
3 2
1
84
U1A
LM358
5
6
7
U1B
LM358
R7
47K
R11
1M
R33
4K7
R36
18K
R34
18K
R49
4K7
R10
100R
R50
1R
R48
1K5
R47
330R
R52
1R
R51
3R
R35
4K7
R30
470R
R54
3R
R12
10K
R53
1R
R45
3R
R46
3R
R29
470R
R9
10K
R1
100K
R6
10K
R8
1K
D1
1N4148
D2
IN4148
+5V1
AVDD
1
PCC
2
AVSS
3
M/S
4
DDIN
5
TEST
6
/IC
7
VSS
8
XO
9
XI
10
MCK
11
VDD
12
SDO
13
SDBCK
14
SDWCK
15
SDMCK
16
VSS
17
SYNC/U
18
FS128/C
19
DBL/V
20
ERR/BS
21
/LOCK
22
INT
23
VDD
24
/CS
25
SO
26
SI
27
SCK
28
U3
YSS917
+5V1
CLK
CDI
CDO
917_CE
256FS
WCK
XI
LR
BCK
Y1
24.576MHz
/IC
+5V1
DSIG1
VDD1
1
RAMCEN
2
RAMA16
3
RAMA15
4
SDIB0
5
SDIB1
6
SDIB2
7
XI
8
XO
9
VSS
10
AVDD
11
SDIB3
12
TEST
13
TEST
14
OVFB
15
DTSDATA
16
AC3DATA
17
SDOB3
18
CPO
19
AVSS
20
VDD2
21
SDOA2
22
SDOA1
23
SDOA0
24
RAMA14
25
RAMA13
26
RAMA12
27
RAMA11
28
RAMA10
29
VSS
30
VDD1
31
OPORT0
32
OPORT1
33
OPORT2
34
OPORT3
35
OPORT4
36
OPORT5
37
OPORT6
38
OPORT8
39
VSS
40
VDD2
41
RAMA9
42
RAMA8
43
RAMA7
44
SDOB2
45
SDOB1
46
SDOB0
47
SDBCK1
48
SDWCK1
49
VSS
50
VDD2
51
NONPCM
52
CRC
53
MUTE
54
KARAOKE
55
SURENC
56
/SDBCK0
57
RAMA6
58
RAMA5
59
VSS
60
RAMA4
61
/IC
62
TEST
63
RAMA3
64
/CSB
65
/CS
66
SO
67
SI
68
SCK
69
RAMA2
70
VDD1
71
RAMD0
72
RAMD1
73
RAMD2
74
RAMD3
75
RAMD4
76
RAMD5
77
RAMD6
78
RAMD7
79
VSS
80
VDD2
81
SDWCK0
82
SDBCK0
83
SDIA0
84
SDIA1
85
RAMA1
86
RAMA0
87
RAMWEN
88
RAMOEN
89
VSS
90
VDD2
91
IPORT7
92
IPORT6
93
IPORT5
94
IPORT4
95
IPORT3
96
IPORT2
97
IPORT1
98
IPORT7
99
VSS
100
U4
YSS912
SDOS
1
I2C
2
SMUTE
3
BICK
4
LRCK
5
SDTI1
6
SDTI2
7
SDTI3
8
SDTO
9
DAUX
10
DFS
11
NC
12
DZFE
13
TVDD
14
DVDD
15
DVSS
16
PDN
17
TST
18
NC
19
ADIF
20
CAD1
21
CAD0
22
LOUT3
23
ROUT3
24
LOUT2
25
ROUT2
26
LOUT1
27
ROUT1
28
LIN-
29
LIN+
30
RIN-
31
RIN+
32
DZF2/OVF
33
VCOM
34
VREFH
35
AVDD
36
AVSS
37
DZF1
38
MCLK
39
P/S
40
DIF0/CSN
41
DIF1/SCL/CCLK
42
LOOP0/SDA/CDTI
43
LOOP1
44
U5
AK4527
5
6
7
U8B
JRC4558D
5
6
7
U7B
JRC4558D
5
6
7
U9B
JRC4558D
3
2
1
8 4
U9A
JRC4558D
+5V2
+3V3 +3V3
+5V2
LR
SLSR
CSW
+3V3
+3V3
+5V2
D7 D6 D5 D4 D3 D2 D1 D0
CLK CDI CDO MCE SCE /IC
D4
D5
D6
D7
D0
D1
D2
D3
+3V3
C45
220p
C54
100p
C48
100n
C53
100p
C64
100n
C27
100n
C47
100n
C46
220p
C25
100n
C26
100n
C59
100n
C24
100n
+5V2
NC
1
A16
2
A14
3
A12
4
A7
5
A6
6
A5
7
A4
8
A3
9
A2
10
A1
11
A0
12
I/O0
13
I/O1
14
I/O2
15
GND
16
I/O3
17
I/O4
18
I/O5
19
I/O6
20
I/O7
21
/CE1
22
A10
23
/OE
24
A11
25
A9
26
A8
27
A13
28
/WE
29
CE2
30
A15
31
VCC
32
U12
128KX8SRAM
+3V3
A14 A13 A12 A11 A10
A7
A8
A9
A6 A5 A3 A2
A1
A0
/WE
/OE
A4
A15 A16 /CE
/OE
/CE
/WE
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
A15
A13
A8
A9
A11
A10
A16
+5V
C63
100uF6V3
C67
100uF6V3
C66
100uF6V3
C65
100uF6V3
Q1
NPN
U13
TL431
+3V3
+5V1 +5V2
CSW
SLSR
LR&DIR
ADOUT
BCK
WCK
LR&DIR
ADOUT BCK WCK
/IC
+5V4
C68
10uF16V
C61
10uF16V
C62
10uF16V
C43
10uF16V
C31
10uF16V
C36
10uF16V
C44
10uF16V
C33
10uF16V
C32
10uF16V
C34
10uF16V
+5V4
C69
100uF6V3
+5V5
+OP
-OP
R41
4K7
R44
18K
R42
18K
R43
4K7
5
6
7
U11B
JRC4558D
3
2
1
8 4
U11A
JRC4558D
C57
220p
C58
220p
C55
10uF16V
C56
10uF16V
+OP
-OP
R37
4K7
R40
18K
R38
18K
R39
4K7
5
6
7
U10B
JRC4558D
3
2
1
8 4
U10A
JRC4558D
C51
220p
C52
220p
C49
10uF16V
C50
10uF16V
+OP
-OP
ROUT1
LOUT1
ROUT2
LOUT2
LOUT3
ROUT3
ROUT1
LOUT1
ROUT2
LOUT2
ROUT3
LOUT3
ROUT
LOUT
SROUT
SLOUT
SWOUT
COUT
+VOP
-VOP
+OP
-OP
C60
100p
C28
100n
C39
100n
C30
100n
C41
1n
C40
100n
C35
100n
R27
10K
R24
10K
R13
10K
R19
22K
R20
22K
R14
10K
R23
3K3
R22
4K7
R21
4K7
R17
22K
R18
22K
R15
10K
R16
10K
X0
12
X1
13
Y0
2
Y1
1
Z0
5
Z1
3
C
9
INH
6
A
11
B
10
X
14
Y
15
VEE
7
VSS
8
VDD
16
Z
4
U6
4053
-OP
+OP
R32
470R
R31
470R
3
2
1
8 4
U8A
JRC4558D
3
2
1
8 4
U7A
JRC4558D
C42
1n
R28
10K
R26
10K
R25
3K3
-OP
+OP +5V5
+5V5
RIN
OK1
LIN
OK2
C29
10uF16V
+5V5
+5V4
+5V4
256FS
CLK
CDI
1
2
3
4
5
J1
CON5
1
2
3
4
5
6
7
8
9
10
11
13
12
J2
CON13
1
2
3
4
5
6
7
8
9
10
11
J3
CON11
+VOP
-VOP
GND
+5V
GND
SWOUT
SLOUT
SROUT
LOUT
COUT
ROUT
RIN
LIN
GND
OK1
OK2
KOK
CDI
CDO
MCE
SCE
/IC
CLK
917_CE
GND
DSIG1
KOK