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HHB CDR-850 Service Manual page 63

Professional compact disc recorder
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3 7 63 1515 0
BA7082F (SERVO DIGITAL ASSY : IC302)
• VCO IC
•
Block Diagram
•
Pin Function
N
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P
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N
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/ I
O
1
S
W
1
2
S
W
2
O
3
S
W
3
4
B
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5
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W
B
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1
2 /
F
B
I
7
F
O
U
T
O
−
8
G
N
D
AD1893JST (SERVO DIGITAL ASSY : IC311)
• Sample Rate Converter IC
•
Block Diagram
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IN1
IN2
VO
16
15
14
1
2
3
SW1
SW2
SW3
F
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C
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p
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G
N
D
p
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44
43 42 41 40 39 38 37 36 35 34
1
NC
2
BCLK_I
3
WCLK_I
4
LR_I
5
NC
6
V
DO
7
GND
8
NC
9
BKPOL_I
10
MODE0_I
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11
NC
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12
13 14 15 16 17 18 19 20 21 22
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2 9
8
VCTL
CT1
CT2
13
12
11
VCO
4
5
6
BW
BWB
1/2FB
N
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P
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N
a
m
e
9
F
A
D
J
i s
l i b
y t i
1
0
V
C
C
1
1
C
T
2
1
2
C
T
1
l i b
y t i
1
3
V
C
T
L
Q Q
3
6 7
1 3
l i b
y t i
m
u
i t l
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r e
1
4
V
0
u
e
n
y c
1
5
N I
2
1
6
N I
1
SERIAL IN
SERIAL OUT
ACCUM
MULT
FIFO
COEF ROM
CLOCK
TRACKING
.
9 4
2 8
VCC
F
ADJ
10
9
1/2
SW
7
8
FOUT
GND
/ I
O
F
u
n
t c
o i
n
−
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A
d
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p
n i
−
V
C
C
p
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C
a
p
a
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p
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f
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V
C
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8
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p
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h
a
s
e
n i
p
t u
N I
33
NC
32
WCLK_O
31
LR_O
30
DATA_O
29
NC
28
V
DO
27
GND
26
NC
m
25
BKPOL_O
24
MODE0_O
co
23
NC
CDR-850
9 9
V
C
O
o
c s
l l i
t a
o i
n
u
s
e
f
r o
s
h
o
- t r
2 8
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d
u j
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t n
u j
t s
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t n
: 2
n I
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t r
n i
g
n i
p
t u
63
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