Read Sony XES-Z50 (serv.man3) Service Manual online
– 164 –
IC402, 403
µPD424400GS-60-9JD
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SENSE REFRESH AMP
INPUT/OUTPUT
CONTROL SWITCH
CLOCK OSC
COLUMN DECODER
MEMORY CELL
INPUT
BUFFER
OUTPUT
BUFFER
A0–A9
D1
D2
XWE
XRAS
A9
NC
NC
NC
A0
A1
A2
A3
A0–A9
A4
A5
A6
A7
A8
NC
NC
NC
XOE
XCAS
D3
D4
GND
VDD
ADDRESS BUFFER
ROW DECODER
IC501
CXD2540Q
2
FSW
3
MON
4
MDP
5
MDS
6
LOCK
7
NC
8
VCOO
9
VCOI
10
TEST
11
PDO
12
VSS
13
PWMI
14
V16M
15
VCTL
1
FOK
65
EXCK
66
67
68
69
SENS
SQSO
SQCK
MUTE
70
71
72
XLAT
XRST
DATA
73
VDD
74
75
76
77
DATO
CLOCK
SEIN
CNIN
78
79
80
MIRR
XLTO
CLKO
XUGF
40
39 DYOP
38 64LRCK
37
38 64LRCK
37
64DATA
64BCLK
36
35 BCLK
34 DATA
33
34 DATA
33
LRCK
VDD
32
31 WDCK
30
30
NC
PSSL
29
28 ASYE
27 ASYO
BIAS
ASYI
25
62
63
64
WFCK
SCOR
SBSO
60
61
DOUT
EMPH
58
59
C16M
MD2
57
FSTT
FSOF
XTSL
SUBCODE
P-W
PROCESSOR
SUBCODE Q
PROCESSOR
CPU
INTERFACE
SYNC
PROTECTOR
SERVO AUTO
SEQUENCER
TIMING
GENERATOR 1
TIMING
GENERATOR 2
EFM
DEMODULATOR
D/A DATA
PROCESSOR
CLV
PROCESSOR
18-TIMES
EVER SAMPLING
FILTER
VPCO
VCKI
FILO
FILI
PCO
21
AVSS
CLTV
23
AVDD
24
RF
54
XTAO
52
53
VSS
XTAI
50
51
APTR
APTL
48
49
MNT1
MNT0
47
MNT2
46
MNT3
44
45
C2PO
XRAOF
42
43
GFS
RFCK
41
XPLCK
DIGITAL
OUT
NOISE SHAPER
RESISTER
OSC
18 19 20
22
DIGITAL PLL
VARI-PITCH
DOUBLE SPEED
ERROR
CORRECTOR
ADDRESS
GENERATOR
PRIORITY
ENCODER
ENCODER
PEAK
DETECTOR
32K RAM
SERIAL/PARALLEL
PROCESSOR
ASYMMETRY
CORRECTION
CORRECTION
MIX
26
56 55
CLOCK
GENERATOR
16 17
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