1. Pin description
Pin No. Name I/O Function
1~7 7G~1G O Display digit control (Grid7~Grid1)
8 VDD Power supply (+5V)
9 SQCK O Q data reading clock output
10 NC O Unused
11 SUBQ I Q data input
12~15 KR3~KR0 I Key return 3~0
16 NC I Unused
17 RESET I Reset input L : RESET
18 SLT SW I CDM25 start limit switch input L : SW ON
19 DOWN SW I CDM25 mechanism down switch input L : SW ON
20 AVSS I Unused (connected to VSS)
21 UP SW I CDM25 mechanism up switch input L : SW ON
22 CLOSE SW I CDM25 close switch input L : SW ON
23 OPEN SW I CDM25 open switch input L : SW ON
24 OPEN M O Open motor control H : ACTIVE
25 CLOSE M O Close motor control H : ACTIVE
26 RTRAY R O Rotary tray motor control (CW) H : ACTIVE
27 RTRAY L O Rotary tray motor control (CCW) H : ACTIVE
28 RTRAY S O Rotary tray motor control (deceleration) H : ACTIVE
29 AVDD Unused (connected to VDD)
30 AVREF Unused (connected to VSS)
31 NC I Unused
32 XT2 Unused (OPEN)
33 VSS GND
34 X1 I System clock input
35 X2 Unused
36 DSENSE I CDM25 disc sensor detection
37 PSENSE I CDM25 position sensor detection
38 LDC O Laser signal output L : LASER ON
39 FOK I FOK signal input H : FOCUS ON
40 D.R.I.V.E I Unused
42 SDATA I/O System serial data signal input output
43 BUSY I/O System serial busy signal input output
44 SCOR I Sub code frame sync detection
45 MON O Focus drug countermeasure circuit control
46 MUTG O Digital mute control H : MUTE ON
47 REM I Remote control signal input
48 VPP GND
49 SENSE I Sense input from CXD2507AQ
50 DTA O Data output for CXD2507AQ
51 CLK O Clock output for CXD2507AQ
52 VDD Power supply (+5V)
53,54
DEFECT SEL./NC
I Unused
55 LAT O Latch output for CXD2507AQ
56 GFS I Frame signal input
57 RMUTE O Analog mute control L : MUTE ON
58 MDT O Attenuater data output
59 MCK O Attenuater clock output
60 MEL O Attenuater latch output
61~70 Sp~Sg/KS O Display segment control (Seg p-Seg g) / Key scan
71 VLOAD Display drive negative power supply (-35V)
72~77 Sf~Sa/KS O Display segment control (Seg f-Seg a) / Key scan
78~80 10G-8G O Display digit control (Grid10-Grid8)
41 SERIAL SW I Serial communication 8 (XS8)/16(SL16) bit changover H : 16 BIT
CD-203/204/DPF-R3010/R3010E/R4010/R4010E
3
CIRCUIT DESCRIPTION
CD-203/DPF-R3010(K) COVER( 98.4.24 11:30 PM y[W 6
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