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Pin No.
Signal Name
Vo
Function
20
Not used in this set (open). (The same function as ICSW.)
21
Not used in this set (open). (The same function as ICSW.)
22
IVICSW
1/O | CD power control pin. OFF by input (high impedance state), ON by 0 output.
23
Not used in this set (open). (The same function with IVICSW.)
24
Not used in this set (open). (The same function with IVICSW.)
25
Not used in this set (open). (The same function with IVICSW.)
26
Vss
Grounding pin.
27
SENSE
I | SENSE input from IC206 (CXD2500BQ).
28
ADJ
I
CD test mode input 1, "L" to inhibit GFS check to allow the spindle to rotate even if
the frame sync does not appear during PLAY, PAUSE and SEARCH.
29
KEYRQ
I
nse. Tics eee
code from IC104 («PD78012GC-508-AB8).
30
BSIN
I}
Audio bus input.
31.
| ADKEY
{|
AD keep dnpue sl:
It is assumed that electrical adjustment is
made with a CD only (without tuner mi-
32
| ADSEL
1 | AD key input permission select pin. | crocomputer). (Usually 5V pull-up)
33
Not used in this set (GND).
34
Not used in this set (GND).
35
Not used in this set (GND).
36
Not used in this set (GND).
37
SUBQ
I | Subcode Q data input from 1C206 (CXD2500BQ).
38
GFS
I_|
GFS signal input from 1C206 (CXD2500BQ). "L" for NG, "H" for OK.
39
FOK
I | Focus OK signal input from IC101 (CXA1372Q). "H" for OK.
40
AFADJ
I | CD test mode input 2.
1€208 (D/A converter) select
pin.
ft 4 DACOW.
i | cr Ae
tes le Dt SoA
GI
ipa
42
|DATAA
O | Serial data output to 1C206 (CXD2500BQ), 1C207 (CXD2560M).
43
CLK
O | Serial data load clock output to IC206 (CXD2500BQ), 1C207 (CXD2560M).
44
SCOR
I__|
Subcode sync SO plus S1 detection input from IC206 (CXD2500BQ).
45
RSTOUT
O | Reset output to peripheral ICs.
46
Not used in this set (open).
a7
a
"Not used in this set (open).
-
48
Not used in this set (open).
49
Not used in this set (open).
50
Not used in this set (open).
ol
Not used in this set (open).
52
Not used in this set (open).
53
Not used in this set (open).
54
Not used in this set (open).
55
Not used in this set (open).
56
CDBUSY
O | CD ON sets this "H".
57
NC
— | Not used in this set (+5V).
58
Vov
—
| Power pin (+5V).
59
DPDAT
3
1/O | Data input from and display data output to IC104 («PD78012GC-AB8).
60
DPDAT 2
I/O | Data input from and display data output to 1C104 (~PD78012GC-AB8).
61
DPDAT
1
I/O | Data input from and display data output to IC104 (uPD78012GC-AB8).
62
DPDAT 0
1/O | Data input from and display data output to IC104 (4PD78012GC-AB8).
—36—
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