Sony XES-Z50 Service Manual page 111

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3 7 63 1515 0
– CHANGER Board –
IC302 AT24C32N-10SI-TR
START/
STOP
LOGIC
DEVICE
ADDRESS
COMPARATOR
A0 1
A1 2
A2
3
VSS 4
TE
L 13942296513
IC304 CXK581000AM-10LL
LEVEL
SHIFT
NC 1
2
A16
A14 3
4
A12
A7 5
6
A6
A5 7
8
A4
LEVEL
A3 9
SHIFT
10
A2
A1 11
A0 12
I/O1 13
LEVEL
14 SHIFT
I/O2
I/O3 15
16
GND
www
.
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H.V.
EN
SERIAL
PUMP/
LOAD
CONTROL
TIMING
COMP
LOGIC
DATA
RECOVERY
DATA WORD X
R/W
EEPROM
ADDRESS/
DECODER
COUNTER
SERIAL
MUX
Y
DECODER
D OUT/
ACK
LOGIC
D IN
D OUT
BUFFER
BUFFER
BUFFER I/O BUFFER
x ao
y
i
http://www.xiaoyu163.com
8
IC401 CXD2512AQ
8 VCC
7 WP
SCL
6
GRSRST 1
XRST 2
WFCK 3
DIN 4
C4M 5
XROI 6
7
RFCK
8
GTOP
BCKI 9
DATI 10
LRCI 11
VSS 12
WDCI 13
TEST 14
5
SDA
XTAO 15
XTAI 16
(BC) 17
(TCK) 18
(TDI) 19
(TENAI) 20
(TDO) 21
VST 22
BCK 23
DAC
I/F
DATA 24
25
Q Q
3 6 7 1 3
32 VCC
31
A15
30 CE2
29 WE
28 A13
27 A8
26
A9
25 A11
24 OE
23 A10
22 CE1
21 I/O8
20 I/O7
19 I/O6
18
I/O5
17 I/O4
u163
.
– 163 –
2 9 9 4 2 8
80 79 78 77 76 75 74 73 72 71 70
SUBQ TBC
CPU I/F
CONTROL
DATA
LINKING
CONTROL
4K BIT RAM
ADDRESS
DSP MONITOR
I/F
VWA
WRITE
TIMING
BASE
GEN.
COUNTER
READ
BASE
COUNTER
SELECTOR
DIGITAL
DRAM I/F
OUT
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
1 5 0 5 8 2 9 9 4
m
co
9 9
69 68 67 66 65
64 SDTO
63 XSOE
62 SCK
61 SDTI
60 EXPXLT
59 XRDE
58 XWRE
57
SPSL
56 OSCE
55 A4
54 A5
53
A6
52
VSS
51 A7
50 A8
49
XWE4
48 XWE3
47 XWE2
46 XOE
45 XCAS
44 D3
43 D4
42 D1
41 D2
2 8 9 9