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DP-7020
CIRCUIT DESCRIPTION
@
From loading of O data to display
©
Ina
usual case, since the tray was pushed when the tray is OPEN
until STOP display is made.
START
7 sec.
elapsed?
—... Loading of all of
96 bit data
185us WAIT
@SCOR terminal
YES
Display of
Q data
Stop of PU
"~~ —~
Read Qdata from CRCF
Focus servo ON
after focus search
20
CIRCUIT DESCRIPTION
5.Microprocessor i. PD75216ACW-295 {X25-3820-00 : IC1)
5-1. Terminal connection diagram
1
64
+5V
Sania
;
—
3
—
4
61
5
60
6
59
7
58
8
57
9
56
10
55
"1
54
12
53
13
52
14
51
—--.
15
ra]
50
16
N
49
,
17
=
48
18
2
47
19
©
46
N
20
Py
45
4
21
a
4
22
i
43
23
42
KDO
KDI
KD2
KD3
24
41
25
40
G1
nad
26
||
89
7
RESET
oa
FLSG & LATCH,
zi
>
PASLD
/ LOATA}
>
ne
ee
PLYLD
/ Lek
|.
~—
X1
30
4.23MHz
:
vireo } 38
~
31
xr2}
34
VSS(GND) 32
33
xT1
21
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