PIN NO. TERMINAL NAME I/O FUNCTION ACT
1~7 7~1G O FL grid drive –
8 VDD – VDD +5V –
9 P/N I O PAL/NTSC INPUT H : PAL H
10 P/N O I PAL/NTSC OUTPUT H : PAL H
11 M/A O PAL/NTSC MANUAL/AUTO SELECT H : MANUAL H
12 POWER O POWER ON / OFF H : ON H
13 C-BUSY O VIDEO CD DATA STATUS H : BUSY H
14 CLOCK I VIDEO CD DATA CLOCK H/L
15 C-DATA – DATA SIGNAL to MPEG BOARD H/L
16 M-DATA – DATA SIGNAL from MPEG BOARD H/L
17 RESET – HARD RESET L
18 TR+ – TRAY MOTOR CONTROL H : OPEN H
19 TR- – TRAY MOTOR CONTROL H : CLOSE H
20, 21 AVSS – GND –
22 PU IN – PICK UP LOCATION L : INSIDE L
23 UP SW – MECHA POSITION L : DISC1 & UP L
24 TRSW2 – DISC2 TRAY SW L : CLOSE H : OPEN –
24, 25 TRSW2, 1 I DISC2 TRAY SW L : CLOSE H : OPEN A/D
26~28 KEY3~1 I KEY INPUT A/D
29 AVDD – AVDD +5V –
30 AVREF – AVREF +5V –
31, 32 XT1, 2 – NC –
33 VSS – GND –
34 X1 – X-TAL IN 4.19 MHz –
35 X2 – X-TAL OUT 4.19 MHz –
36 WRQ I WRITE REQUEST H
37 COIN O COMMAND DATA TO CD DSP H/L
38 IFL O KARAOKE IC DATA H/L
39 IFS O KARAOKE IC CLOCK H/L
40 IFD O KARAOKE IC LATCH H
41 CQCK O CLOCK TO CD DSP H/L
42 SQOUT I SQ DATA FROM CD DSP H/L
43 RWC O READ/WRITE CONTROL H
44 M-BUSY O MAIN MICOM STATUS H : BUSY H
45 SBUSY I/O SYSTEM CONTROL DATA H/L
46 SDATA I/O SYSTEM CONTROL STATUS H
47 REMOCON I REMOCON INPUT L
48 VPP – GND –
49 SP CONT O TRAY MOTOR SPEED CONTROL H : HIGH SPEED H
50 SL- O SLED MOTOR REVERSE H
51 SL+ O SLED MOTOR FORWARD H
52 VDD – VDD +5V –
53 FLAT O KEY CON LED NATURAL H : ON H
54 SHARP O KEY CON LED SHARP H : ON H
55 MATURAL O KEY CON LED FLAT : H : ON H
56 C-RESET O CD DSP, MPEG BOARD, MPEG MICOM RESET H
57 M-MUTE O MIC MUTE L : ON L
58 S-MUTE O SYSTEM MUTE L : ON L
59 NC O NOT USED L
60 DRF I CD FOCUS OK SIG. H : OK H
61~70 P16~7 O FL SEGMENT DRIVE –
71 VLOAD – VLOAD - 32V –
72~77 P6~P1 O FL SEGMENT DRIVE –
78~80 10~8G O FL GRID DRIVE –
D-W320V
4
CIRCUIT DESCRIPTION
1. System u-COM IC701 (MN1872423 KEN)
Pin description.
D-W320V COVER( 97.11.28 11:11 PM y[W 7
