Yamaha RX-V595 Service Manual page 36

RX-V595/R-V905/RX-V595RDS
IC5 : M5M51288BKJ-20LTEL (1M SRAM)
131072-word x 8 bit High Speed Static RAM
NC 1
2
A3
A4 3
A5 4
5
A6
A7 6
A8 7
TOP VIEW
8
A9
A10 9
10
A11
11
A12
A13 12
13
D1
14
D2
D3 15
16
GND
IC6 : AK4526 (CODEC AD/DA)
20 bit 6 channel A/D, D/A Converter
SDOS 1
OCKS 2
3
M/S
BICK 4
LRCK 5
TOP VIEW
SDTI1 6
SDTI2 7
SDTI3 8
9
SDTO
DAUX 10
DFS 11
35
A0
27
32 VCC
A1
28
31
A2
A2
31
A3
2
30 CE2
A4
3
29 /WE
A5
4
28 A6
A1 5
A7
6
27 A0
A8
7
26 A16
25
A15
A9
8
24 /OE
A10
9
23
A14 A11
10
A12
11
22
/CE1
A13
12
21 D8
A14
23
A15
25
20
D7
A16
26
19
D6
18 D5
17
D4
/CE1
22
CE2
30
/WE
29
/OE
24
/CE1 CE2
X L
H X
L H
L H
L H
NOTE) H: High Level
LIN+
LIN–
RIN+
33 VREFL
RIN–
32 RIN+
31
RIN–
LOUT1
30
LIN+
29 LIN– ROUT1
28 ROUT1
LOUT2
27 LOUT1
26 ROUT2
ROUT2
25
LOUT2
24
ROUT3
LOUT2
23 LOUT3
ROUT3
18 512
131072-word x 8 bit
MEMORY ARRAY
(512-row X 2048-column)
2048
COLUMN I/O
256
COLUMN ADDRESS
DECODER
16
COLUMN INPUT
BUFFER
CHIP SELECT
WRITE CONTROL
OUTPUT CONTROL
/WE /OW Mode Data I/O
Non-selectable High impedance
X X
Non-selectable High impedance
X X
Write mode Input
L X
Read mode Output
H L
High impedance
H H
L: Low level X: Don't care
30
ADC HPF
29
32
ADC HPF
31
VR LPF DAC
27
28 VR LPF DAC
25 VR LPF DAC
26 VR LPF DAC
23 VR LPF DAC
24 VR LPF DAC
32 VCC
16 GND
13 D1
14 D2
15 D3
17 D4
18 D5
19 D6
20 D7
21 D8
Power
On
Standby
On
On
On
Audio
I/F
1/2
MCKI
MCLK
39
LRCK
5
4 BICK
DAUX
10
LRCK
DEM0
13
DEM1
BICK 12
DEM
DFS
11
SDOUT
1 SDOS
SDIN1
SDIN2
SDIN3 SDTO
9
6 SDTI1
7 SDTI2
SDTI3
8