Pioneer DVL-909 Panduan Servis - Halaman 43

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Halaman Cetak
Pioneer DVL-909 Panduan Servis
MB811171622A-100FN (DVDM ASSY : IC802)
• Code Buffer (16M bit SDRAM)
Block Diagram
DQ
Pin Function
N
. o
P
n i
N
a
m
e
1
V
C
C
P
o
w
r e
s
u
p
p
2
D
Q
0
D
a
a t
n i
p
t u
o /
3
D
Q
1
4
V
S
S
Q
G
o r
u
n
d
5
D
Q
2
D
a
a t
n i
p
t u
o /
6
D
Q
3
7
V
C
C
Q
P
o
w
r e
s
u
p
p
8
D
Q
4
D
a
a t
n i
p
t u
o /
9
D
Q
5
1
0
V
S
S
Q
G
o r
u
n
d
1
1
D
Q
6
D
a
a t
n i
p
t u
o /
1
2
D
Q
7
1
3
V
C
C
Q
P
o
w
r e
s
u
p
p
1
4
D
Q
M
L
n I
p
t u
m
a
k s
1
5
W
i r
e t
e
n
a
b
e l
W
E
1
6
C
o
u l
m
n
a
d
d
C
A
S
1
7
R
o
w
a
d
d
e r
s s
R
A
S
1
8
C
h
p i
s
e
e l
t c
C
S
1
9
A
1
1
B (
) A
B
a
n
k
s
e
e l
t c
A
d
d
e r
s s
n i
p
2
0
A
1
0
A /
P
R
o
w
:
A
0
o t
/
A
u
o t
p
e r
c -
2
1
A
0
2
2
A
1
A
d
d
e r
s s
n i
p
R
o
w
:
A
0
o t
2
3
A
2
2
4
A
3
2
5
V
C
C
P
o
w
r e
s
u
p
p
To
CLK
35
Clock
Blocks
Buffer
CKE
34
CS
18
RAS
17
Command
Decoder
CAS
16
WE
15
Address
Buffer/
A
-A
,
Register
0
11
AP
&
Bank
Select
DQML
14
DQMU
36
I/O Data
Buffer/
-DQ
Register
0
15
F
u
n
t c
o i
n
y l
+ (
3
3 .
) V
u
p t
t u
u
p t
t u
y l
+ (
3
3 .
) V
u
p t
t u
u
p t
t u
y l
+ (
3
3 .
) V
/
O
u
p t
t u
e
n
a
b
e l
e r
s s
t s
o r
b
e
t s
o r
b
e
t u
A
1
0
,
C
o
u l
m
n
:
A
0
o t
A
7
h
a
g r
e
e
n
a
b
e l
t u
A
1
0
,
C
o
u l
m
n
:
A
0
o t
A
7
y l
+ (
3
3 .
) V
DV-505, DVL-909, DV-S9
Bank 1
Bank 0
RAS
Control
Signal
CAS
Latch
WE
DRAM Core
Mode
(2,048 256 16)
Register
Row Address
Column
Address
Column Address
Counter
I/O
1,7,13,25,38,44
4,10,26,41,47,50
V
/V
V
/V
CC
CCQ
SS
SSQ
N
. o
P
n i
N
a
m
e
2
6
V
S
S
G
o r
u
n
d
2
7
A
4
2
8
A
5
2
9
A
6
A
d
d
e r
s s
n i
R
o
w
:
A
0
o t
3
0
A
7
3
1
A
8
3
2
A
9
3
3
D
U
D
o
t ' n
u
s
e
u (
3
4
C
K
E
C
o l
k c
e
n
a
b
3
5
C
L
K
C
o l
k c
n i
p
t u
3
6
D
Q
M
U
n I
p
t u
m
a
k s
3
7
D
U
D
o
t ' n
u
s
e
u (
3
8
V
C
C
Q
P
o
w
r e
s
u
p
3
9
D
Q
8
D
a
a t
n i
p
t u
o /
4
0
D
Q
9
4
1
V
S
S
Q
G
o r
u
n
d
4
2
D
Q
1
0
D
a
a t
n i
p
t u
o /
4
3
D
Q
1
1
4
4
V
C
C
Q
P
o
w
r e
s
u
p
4
5
D
Q
1
2
D
a
a t
n i
p
t u
o /
4
6
D
Q
1
3
4
7
V
S
S
Q
G
o r
u
n
d
4
8
D
Q
1
4
D
a
a t
n i
p
t u
o /
4
9
D
Q
1
5
5
0
V
S
S
G
o r
u
n
d
F
u
n
t c
o i
n
p
t u
A
1
0
,
C
o
u l
m
n
:
A
0
o t
A
7
s
e
f
r o
o
p
e
) n
e l
/
O
u
p t
t u
e
n
a
b
e l
s
e
f
r o
o
p
e
) n
p
y l
+ (
3
3 .
) V
u
p t
t u
u
p t
t u
p
y l
+ (
3
3 .
) V
u
p t
t u
u
p t
t u
43