Sony HCD-GX470, Руководство по обслуживанию

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HCD-GX470/GX570
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IC Pin Function Description
CD BOARD IC201 CXD3014A-201R (CD DSP)
Pin No. Pin Name I/O Description
1
LRCK O L/R sampling clock signal output terminal
2
LRCKI I L/R sampling clock signal input terminal
3
PCMD O Serial data output terminal
4
PCMDI I Serial data input terminal
5
BCK O Bit clock signal output terminal
6
BCKI I Bit clock signal input terminal
7 XTACN I
Oscillation circuit on/off control signal input from the system controller
"L": oscillation stop, "H": self-oscillation
8
XRST I System reset signal input from the system controller "L": reset
9
VSS - Ground terminal
10 IREQ-MP3 O
MP3 data request signal output to the system controller
11
CLOK
I
CD serial data transfer clock signal input from the system controller
12
DATA2
I
MP3 serial data input from the system controller
13
XLAT-MP3 I MP3 serial data latch pulse signal input from the system controller
14
REQ-MP3
I
MP3 data request signal input from the system controller
15
ACK-MP3 O MP3 acknowledge signal output to the system controller
16 XLAT I
CD serial data latch pulse signal input from the system controller
17
VDD - Power supply terminal (+1.8V)
18
SVSS - Ground terminal
19
SVDD - Power supply terminal (+1.8V)
20
SENS O Internal status (SENSE) signal output to the system controller
21
WFCK O Write frame clock signal output terminal Not used
22
XUGF O XUGF signal output terminal Not used
23
XPCK O XPCK signal output terminal Not used
24
GFS O Guard frame sync signal output terminal Not used
25
C2PO O C2 pointer signal output terminal Not used
26
SCOR O Subcode sync (S0+S1) detection signal output to the system controller
27
VDD - Power supply terminal (+1.8V)
28
COUT O Numbers of track counted signal output terminal Not used
29
SVSS - Ground terminal
30
SVDD - Power supply terminal (+1.8V)
31
MIRR
O
Mirror signal output terminal Not used
32
DFCT
O
Defect signal output terminal Not used
33
FOK
O
Focus OK signal output terminal Not used
34
VSS - Ground terminal
35
VDD - Power supply terminal (+1.8V)
36
VSS - Ground terminal
37
LOCK
O
GFS is sampled by 460 Hz "H" output when GFS is "H" Not used
38
MDP O Spindle motor servo control signal output terminal
39
SSTP I Disc inner position detection signal input terminal
40
IOVSS1 - Ground terminal
41
SFDR O Sled servo drive signal (+) output terminal
42
SRDR O Sled servo drive signal (-) output terminal
43
TFDR O Tracking servo drive signal (+) output terminal
44
TRDR O Tracking servo drive signal (-) output terminal
45
FFDR O Focus servo drive signal (+) output terminal