Audiovox DM8900-00, Service Manual, Page: 12 / 19

13
IC201 BU9526KS
IC BLOCK DIAGRAMS & IC PINS DESCRIPTION
IC301 BA3579FS
WINDOW
PLL
SUB
ECC
16K SRAM
SERVO
FILTER
CLV
SERVO
CONTROL
UCOM
INTERFACE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
2
1
2
2
2
3
2
4
2
5
2
6
2
7
2
8
2
9
3
0
3
1
3
2
3
3
3
4
3
5
3
6
3
7
3
8
3
9
4
0
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
41
42
43
8
0
7
9
7
8
7
7
7
6
7
5
7
4
7
3
7
2
7
1
7
0
6
9
6
8
6
7
6
6
6
5
6
4
6
3
6
2
6
1
ASY
EYE
AVDD
FCO
PCO
PLLSW
VC
ADPFI
ADPFO
AGND
RVCO
FOK
FEIN
FCAPA
FON
TEIN
ATS
TZC
TCAPA
COMPC
C1FX
C2FX
C2F3
C2F4
DFDCK
DFDIN
DFLRCK
DGND3
AVDD2
LOUT
VC
ROUT
AGND2
VSS
RMUTE
LMUTE
DVDD3
DECTR
WFCK
RFCK
A
D
J
1
A
D
J
2
F
D
O
U
T
J
U
M
P
O
T
D
O
U
T
S
D
IN
S
D
O
U
T
C
LV
O
U
T
M
U
T
E
D
G
N
D
D
E
F
E
C
T
M
IR
R
O
R
S
U
B
S
Y
Q
S
U
B
D
A
T
A
S
U
B
C
K
M
C
K
D
IN
D
O
U
T
R
W
B
U
S
Y
X
P
L
C
K
S
E
N
S
G
F
S
D
V
D
D
X
B
U
F
O
X
O
U
T
X
IN
R
E
S
E
T
D
G
N
D
C
L
K
D
O
C
K
D
O
U
T
A
L
R
C
K
D
E
C
2
F
C
2
C
L
K
C
1
F
1
C
1
F
2
C
2
F
1
C
2
F
2
OSC
SYSCK
D
V
D
D
AVDD
VC
8
F
D
F
+
D
A
C
P
V
C
C
P
O
U
T
1
P
G
N
D
P
O
U
T
2
B
B
S
W
L
P
V
IN
4
V
IN
3
M
U
T
E
1
B
IA
S
A
V
D
D
AVDD
V
IN
1
P
R
E
G
N
D
V
IN
2
L
O
U
T
2
L
O
U
T
1
M
U
T
E
O
U
T
P
W
S
W
P
W
S
W
1
M
U
T
E
20
1
19
2
18
3
17
4
16
5
15
6
14
7
13
8
12
9
11
10
PVCC
-
-
+
+
B
B
S
W
AVDD
~
~
+ +
2
0
k
2
0
k
2
0
k
2
0
k
2
0
k
2
0
k
1
0
0
p
4
7
k
47 k
47 k
4
7
k
1
0
0
p
1
0
0
p
100 p
PVCC
P
W
S
W
M
U
T
E
BB