Denon AVC-3890, Service Manual

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29
29
AVR-3805 / AVC-3890
LH28F160BJE(3805) (DS: IC313)
CY7C1049CV33-10ZC (DS: 314, 315)
14 15
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
COLUMN
DECODER
ROW DE
CODER
S
EN
S
E AM
PS
INPUT BUFFER
POWER
DOWN
WE
OE
I/O
0
I/O
1
I/O
2
I/O
3
512K x 8
ARRAY
I/O
7
I/O
6
I/O
5
I/O
4
A
0
A
11
A
13
A
12
A
CE
A A
16
A
17
A
9
A
18
A
10
A
6
1
2
3
4
5
6
7
8
9
10
11
14
31
32
36
35
34
33
37
40
39
38
Top View
12
13
41
44
43
42
16
15
29
30
V
CC
A
7
A
8
A
9
NC
NC
NC
NC
A
18
V
SS
NC
A
15
A
0
A
3
I/O
0
A
4
CE
A
17
A
12
A
1
A
2
18
17
20
19
I/O
1
27
28
25
26
22
21
23
24
NC
V
SS
WE
I/O
2
I/O
3
A
5
NC
A
16
V
CC
OE
I/O
7
I/O
6
I/O
5
I/O
4
A
14
A
13
A
11
A
10
NC
NC
NC
TC9274N-0
17
(
AD:
IC
3
01)
42
1
21
1
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
20
21
22
23
24 25 26
27 28
29
30 31
32
33 34
35
36 37 38 39 40 41
42
V
DD
V
SS
S1 S2 S3 S4 S5 S6 S7 S8 S9
S10 S11 S12 S13 S14 S15 S16 S17 S18
GND
CK
DATA
STB
S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18
18 bit Latch Circuit (Rch)
(Lch) Same as Rch
Level
Shi
ft
+
S
hif
t R
egi
st
er C
ircui
t
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