Pioneer DV-626D Service Manual page 78

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DV-626D
LC89051V (DVDM ASSY : IC903)
• Digital Audio IC
Block Diagram
R
5
PLL
VIN
6
VCO
7
TEST1
12
TEST
TEST2
13
XMODE
10
Pin Function
N
. o
P
n i
N
a
m
e
/ I
O
1
D
N I
1
I
D
a
a t
2
D
N I
2
I
D
a
a t
3
E
D /
O
U
T
O
E
m
p
4
V
D
D
P
o
w
5
R
I
V
C
O
6
V
N I
I
V
C
O
7
V
C
O
O
P
L
L
8
G
N
D
G
o r
u
9
C
K
S
E
L
I
S
s y
e t
1
0
X
M
O
D
E
I
R
e
s
1
1
A
V
O
C
K
I
P
L
L
1
2
T
E
S
T
1
I
T
e
t s
1
3
T
E
S
T
2
I
T
e
t s
1
4
S
C
L
K
C /
L
I
M
c i
o r
1
5
X
L
A
T
C /
E
I
M
c i
o r
1
6
S
W
D
/ T
I D
I
M
c i
o r
1
7
S
R
D
T
D /
O
O
M
c i
o r
1
8
D
O
S
Y
L /
D
O
M
c i
o r
1
9
C
K
O
U
T
O
V
C
O
2
0
F
S
1
2
8
O
1
2
8
s f
2
1
B
C
K
O
B
t i
c
2
2
L
R
C
K
O
L
R /
2
3
D
A
T
A
O
U
T
O
A
u
d
2
4
E
R
R
O
R
O
P
L
L
78
11
9
Timing
Mute Output
19
21 22 20
23
24
n i
p
t u
i w
h t
b
i u
- t l
n i
a
m
p
i f i l
r e
f (
r o
n i
p
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f (
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h
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h
a
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n
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v
a
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s
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p
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o
n
r t
l o
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p
t u
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- e
u r
n
n
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g
s
e
t t
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g
n i
p
t u
o l
w
p -
a
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t l i f
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e
t t
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g
n
d
m
c
o l
k c
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e
e l
t c
o i
n
n i
p
t u
3 (
8
4
s f
t e
n i
p
t u
e
r r
r o
o l
k c
a
v
o
d i
a
n
c
e
c
o l
k c
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p
t u
n i
p
u
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M
u
t s
b
e
c
o
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d
o t
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p
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u
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b
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c
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d
o t
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c
o
m
p
u
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c
e
c
o l
k c
n i
p
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c
o
m
p
u
e t
i r
t n
r e
a f
c
e
a l
c t
h
c /
h
p i
e
c
o
m
p
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i r
t n
r e
a f
c
e
w
i r
e t
d
a
a t
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o
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p
u
e t
i r
t n
r e
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e
e r
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d
d
a
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o
c
o
m
p
u
e t
i r
t n
r e
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c
e
s
u
b
c
o
d
e
Q
c
o l
k c
o
u
p t
t u
f (
e r
e
u r
n
n
n i
, g
3
8
f 4
c
o l
k c
o
u
p t
t u
o l
k c
o
u
p t
t u
c
o l
k c
o
u
p t
u
( t
e l
t f
c
h
a
n
n
e
= l
h
g i
h
r ,
o i
d
a
a t
o
u
p t
t u
o l
k c
e
r r
r o
m
u
e t
o
u
p t
t u
3
2
1
Input Block
Data Demodulation
Block
Mute Output
P
n i
F
u
n
t c
o i
n
c
o
a
x
l a i
r o
o
p
c i t
l a
m
o
d
u
e l
n i
p
u
) t
y t i
f
a l
g
o
u
p t
t u
r o
5
1
f 2
) s
u
n
d
n i
n
r o
m
l a
o
p
r e
t a
o i
) n
u
n
d
n i
n
r o
m
l a
o
p
r e
t a
o i
) n
n
a
b
e l
n i
p
t u
n i
p
t u
u
p t
t u
a
n
d
D I
y s
n
c
h
o r
n
z i
t a
o i
n
o
u
p t
t u
, s
r o
5
1
f 2
) s
g i
t h
c
h
a
n
n
e
= l
o l
w
)
16
15
C bit Detection
Microcontroller
Interface
C bit Detection
17
18
14

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