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69
HCD-RG490/RG590
BD BOARD IC101 CXD3059AR (CD DSP)
Pin No.
Pin Name
I/O
Description
1
MIRR
O
Mirror signal output terminal Not used
2
DFCT
O
Defect signal output terminal Not used
3
FOK
O
Focus OK signal output terminal Not used
4
VSS
-
Ground terminal
5
LOCK
O
GFS is sampled by 460 Hz "H" output when GFS is "H" Not used
6
MDP
O
Spindle motor servo control signal output terminal
7
SSTP
I
Disc inner position detection signal input terminal
8
IOVSS0
-
Ground terminal
9
SFDR
O
Sled servo drive signal (+) output terminal
10
SRDR
O
Sled servo drive signal (-) output terminal
11
TFDR
O
Tracking servo drive signal (+) output terminal
12
TRDR
O
Tracking servo drive signal (-) output terminal
13
FFDR
O
Focus servo drive signal (+) output terminal
14
FRDR
O
Focus servo drive signal (-) output terminal
15
IOVDD1
-
Power supply terminal (+3.3V)
16
AVDD0
-
Power supply terminal (+3.3V)
17
AVSS0
-
Ground terminal
18
NC
-
Not used
19
E
I
E signal input from the optical pick-up block
20
F
I
F signal input from the optical pick-up block
21
TEI
I
Tracking error signal input terminal
22
TEO
O
Tracking error signal output terminal
23
FEI
I
Focus error signal input terminal
24
FEO
O
Focus error signal output terminal
25
VC
O
Middle point voltage output terminal
26
A
I
A signal input from the optical pick-up block
27
B
I
B signal input from the optical pick-up block
28
C
I
C signal input from the optical pick-up block
29
D
I
D signal input from the optical pick-up block
30
NC
-
Not used
31
AVDD4
-
Power supply terminal (+3.3V)
32
RFDCO
O
RFDC signal output terminal Not used
33
PDSENS
I
Reference voltage input terminal for PD
34
AC_SUM
O
RFAC summing amplifier signal output terminal
35
EQ_IN
I
RF equalizer circuit input terminal
36
LD
O
Laser diode on/off control signal output to the automatic power control circuit
"H": laser diode on
37
PD
I
Light amount monitor input from the laser diode of optical pick-up block
38
NC
-
Not used
39
RFC
I
Equalizer cut off frequency adjustment terminal
40
AVSS4
-
Ground terminal
41
RFACO
O
EFM signal output terminal
42
RFACI
I
EFM signal input terminal
43
AVDD3
-
Power supply terminal (+3.3V)
44
BIAS
I
Asymmetry circuit constant current input terminal
45
ASYI
I
Playback EFM asymmetry comparator voltage input terminal
Summary of Contents for HCD-RG490; HCD-RG590
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