Pioneer DV-626D Service Manual page 74
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- Operating instructions manual (72 pages) ,
- Operating instructions manual (132 pages)
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DV-626D
VYW1646 (DVDM ASSY : IC603)
• 16M bit Flash Memory IC
•
Block Diagram
RY/BY
15
V
37
CC
V
27
SS
WE
11
BYTE
47
RESET
12
CE
26
OE
28
A
- A
9,16-25
0
19
A
45
-1
•
Pin Function
N
. o
P
n i
N
a
m
e
/ I
O
1
A
1
5
2
A
1
4
3
A
1
3
4
A
1
2
5
A
1
1
I
A
d
d
e r
6
A
1
0
7
A
9
8
A
8
9
A
1
9
−
1
0
. N
. C
N
o
n
c
1
1
I
W
i r
e t
W
E
H
a
d r
w
1
2
I
R
E
S
E
T
u
n
p
o r
−
1
3
. N
. C
N
o
n
c
−
1
4
. N
. C
N
o
n
c
1
5
O
R
e
a
d
R
Y
B /
Y
1
6
A
1
8
1
7
A
1
7
1
8
A
7
1
9
A
6
2
0
A
5
I
A
d
d
e r
2
1
A
4
2
2
A
3
2
3
A
2
2
4
A
1
74
RY/BY
Buffer
State
Control
Command
Program Voltage
Register
Generator
Low V
Detector
CC
Program/Erase
P
n i
F
u
n
t c
o i
n
s s
n i
p
u
s t
o
n
n
e
t c
o i
n
e
n
a
b
e l
a
e r
e r
s
t e
p
n i
T /
e
m
p
o
a r
y r
s
e
t c
r o
e t
t c
o i
n
o
n
n
e
t c
o i
n
o
n
n
e
t c
o i
n
y
B /
u
y s
o
u
p t
t u
s s
n i
p
u
s t
Erase Voltage
Generator
Chip Enable
Output Enable
Logic
Y-Decoder
STB
Time for
Address
Latch
X-Decoder
N
. o
P
n i
N
a
m
e
/ I
2
5
A
0
2
6
C
E
−
2
7
V
S
S
2
8
O
E
2
9
D
Q
0
3
0
D
Q
8
3
1
D
Q
1
3
2
D
Q
9
/ I
3
3
D
Q
2
3
4
D
Q
1
0
3
5
D
Q
3
3
6
D
Q
1
1
−
3
7
V
C
C
3
8
D
Q
4
3
9
D
Q
1
2
4
0
D
Q
5
4
1
D
Q
1
3
/ I
4
2
D
Q
6
4
3
D
Q
1
4
4
4
D
Q
7
4
5
D
Q
1
5
A /
1 -
/ I
−
4
6
V
S
S
4
7
B
Y
T
E
4
8
A
1
6
DQ
- DQ
0
15
29-36,38-45
Input/Output
Buffers
STB
Data Latch
Y-Gating
Cell Matrix
O
P
n i
F
u
n
t c
o i
I
A
d
d
e r
s s
n i
p
t u
I
C
h
p i
e
n
a
b
e l
G
o r
u
n
d
I
O
u
p t
t u
e
n
a
b
e l
O
D
a
a t
n i
p
u
s t
o /
u
p t
u
s t
P
o
w
r e
s
u
p
p
y l
O
D
a
a t
n i
p
u
s t
o /
u
p t
u
s t
O
D
a
a t
n i
p
u
s t
o /
u
p t
u
s t
/
A
d
d
e r
s s
G
o r
u
n
d
I
S
e
e l
c
s t
8
b -
t i
r o
1
6
b -
t i
m
o
d
e
I
A
d
d
e r
s s
n i
p
t u
n
n i
p
t u
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