16
CDX-MP80
• IC11 HD6432238RWN31TEIV (CD SYSTEM CONTROL) (SERVO BOARD)
Pin No. Pin Name I/O Pin Description
1 TEST I Test mode select signal input
2 DEC XRST O DEC reset output
3 DEC STBY O DEC standby mode control signal output
4 XRDE O DRAM data read-out enable signal output
5NCONot used. (Open)
6XWRE O DRAM write-in enable signal output
7 SCLK O SENS read-out serial clock signal output
8 SENS I SENS signal input
9 CD CLK O CD servo serial clock signal output
10 CD DAT O CD servo serial data output
11 CD LAT O CD servo latch signal output
12 CVCC — Power supply pin (+3.3 V)
13 DAC MUTE O DAC mute control signal output Not used in this set. (Open)
14 VSS — Ground pin
15 MUTE O Audio mute control signal output
16 XRST O CD servo reset signal output
17 XQOK O CD servo sub-code Q OK signal output
18 EMPH O Emphasis control signal output Not used in this set. (Open)
19 GFS I GFS signal input
20 FOK I FOK signal input
21 APC2 O APC control signal output 2
22 APC1 O APC control signal output 1
23 SPST O Spindle kick signal output
24 RW SEL O Not used. (Open)
25 RF SW O Not used. (Open)
26 SIZE I Not used. (Open)
27 D IN I Not used. (Open)
28 D OUT I Not used. (Open)
29 LIM SW I PU inner detect SW signal input
30 PSB O Mute signal output
31 PC TX O Bus data output
32 PC RX I Bus data input
33 IN SW I Not used. (Open)
34 LM LO O Not used. (Open)
35 LM EJ O Not used. (Open)
36 EJECT OK I Front panel open mode signal input Connecting to VCC (+3 V) in this set.
37 CLOSE OK O Not used. (Open)
38 SCOR I Sub-code sync detect signal input
39 TRAY LAMP O Not used. (Open)
40 GRSCOR I DRAM controller sub-code sync detect signal input
41 HS O High speed signal output
42 AVSS — Ground pin
43 TE BAL ADJ O TE balance adjustment signal output
44 DRAM O Not used. (Open)
45 D SW I Disc chucking detect signal input Connecting to ground in this set.
46 TRAY CUR I Tray current detect signal input Connecting to ground in this set.
47 KEY0 I Test mode key SW input
48 KEY1 I Test mode rotary SW input
49 NC I Connecting to ground in this set.
50 NC I Connecting to ground in this set.
51 TEMP I Tempareture detect signal input Connecting to ground in this set.
52 NC I Connecting to ground in this set.
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