Read Sony XES-Z50 (serv.man3) Service Manual online
– 163 –
– CHANGER Board –
IC302
AT24C32N-10SI-TR
START/
STOP
LOGIC
DATA WORD
ADDRESS/
COUNTER
X
DECODER
DEVICE
ADDRESS
COMPARATOR
LOAD
COMP
SERIAL
CONTROL
LOGIC
DATA
RECOVERY
H.V.
PUMP/
TIMING
D OUT/
ACK
LOGIC
Y
DECODER
EEPROM
SERIAL
MUX
1
2
2
3
4
5
6
7
8
D OUT
D IN
R/W
LOAD
INC
EN
A0
A1
A2
A2
VSS
VCC
WP
WP
SCL
SDA
IC401
CXD2512AQ
72
73
74
VSS
VDD
XQOK
27
A3
28
A2
29
A1
1
GRSRST
2
3
4
5
C4M
XRST
WFCK
DIN
63 XSOE
62 SCK
61
62 SCK
61
EXPXLT
SDTI
64 SDTO
60
6
7
8
GTOP
XROI
RFCK
9
BCKI
10
11
12
13
WDCI
DATI
LRCI
VSS
14
15
16
XTAI
TEST
XTAO
17
18
19
20
(TENAI)
(BC)
(TCK)
(TDI)
21
22
23
BCK
(TDO)
VST
24
DATA
30
A0
31
A9
32
VSS
33
VDO
34
A10
35
A11
36
XRAS
37
XWE
38
XOE2
39
XOE3
40
XOE4
59 XRDE
58 XWRE
57
58 XWRE
57
OSCE
SPSL
56
55 A4
54 A5
53
54 A5
53
VSS
A6
52
51 A7
50 A8
49
50 A8
49
XWE3
XWE4
48
47 XWE2
46
46
XCAS
XOE
45
44 D3
43 D4
42
43 D4
42
D2
D1
41
70
71
AM18
AM17
68
69
AM20
AM19
66
67
XWIH
AM21
65
XEMP
76
77
78
QRCK
MRE
MWE
75
QTBC
DATA
LINKING
CONTROL
DIGITAL
OUT
DAC
I/F
80
SCOR
79
GRSCOR
26
DOUT
25
LRCK
DSP
I/F
TIMING
GEN.
SUBQ TBC
CONTROL
4K BIT RAM
ADDRESS
MONITOR
MONITOR
SELECTOR
DRAM I/F
WRITE
BASE
COUNTER
READ
BASE
COUNTER
VWA
CPU I/F
IC304
CXK581000AM-10LL
MEMORY MATRIX
1024X1024
ROW DECODER
BUFFER
1
NC
2
3
4
5
A7
A16
A14
A12
28 A13
27 A8
27 A8
26
25 A11
A9
I/O GATE
COLUMN DECODER
BUFFER
6
A6
7
8
9
9
10
A2
A5
A4
A3
A3
31
32 VCC
A15
24 OE
23 A10
BUFFER
20 I/O7
19 I/O6
18
19 I/O6
18
I/O4
I/O5
21 I/O8
17
I/O BUFFER
13
14
15
I/O3
I/O1
I/O2
22 CE1
16
GND
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
29
30 CE2
WE
11
A1
12
A0
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