Read Sony CDX-828 Service Manual online
– 48 –
IC402
MSM514400D-60TS-K
IC502
KM62256DLG-7LT
IC601
AK4321-VF-E2
WRITE
CLOCK
CLOCK
GENERATOR
DATA INPUT
BUFFER
DATA OUTPUT
BUFFER
COLUMN
DECODER
SENSE AMP
I/O GATE
4M BIT
MEMORY
CELL
ROW
DECODER
ADDRESS
BUFFER
PRE-
DECODER
REFRESH
ADDRESS
COUNTER
COUNTER
BOARD
BIAS
GENERATOR
MODE
CONTROL
CLOCK
GENERATOR
1
CLOCK
GENERATOR
2
18
24
25
26
17
16
15
14
5
4
1
2
3
9
10
11
12
13
23
22
DQ1
DQ2
WE
RAS
A9
A0
A1
A0
A1
A2
A3
VCC
VSS
DQ4
DQ3
DQ3
CAS
OE
A8
A7
A6
A5
A4
A4
MEMORY
MATRIX
512X512
ROW
DECODER
BUFFER
1
A14
2
3
4
5
A5
A12
A7
A6
26 A13
25 A8
24
25 A8
24
23 A11
A9
I/O GATE
COLUMN
COLUMN
DECODER
BUFFER
6
A4
7
8
9
10
A0
A3
A2
A1
27
28 VCC
WE
22 OE
21 A10
BUFFER
18 I/O7
17 I/O6
16
17 I/O6
16
I/O4
I/O5
19 I/O8
15
I/O BUFFER
11
12
13
I/O3
I/O1
I/O2
20 CE
14
GND
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
CTF
SCF
CLOCK OSC/DIVIDER
∆Σ
MODULATOR
SERIAL INPUT
INTERFACE
8
×
INTERPOLATOR
DE-EMPHASIS
CONTROL
8
×
INTERPOLATOR
∆Σ
MODULATOR
CTF
SCF
1
2
3
4
5
6
7
8
9
10
20
19 18 17 16 15
14
13
12
11
21
22
23
24
TTL
DZF
VREF
AVSS
AVDD
VCOM
AOUTL
AOUTR
BVDD
DIF1
DIF0
DEM1
CKS
DVDD
DVSS
XTO
XTI
PD
BICK
SDATA
LRCK
SMUTE
DFS
DEMO
Click on the first or last page to see other CDX-828 service manuals if exist.