9
D-EJ750/EJ751/EJ753/EJ755/EJ756CK/EJ758CK
Pin No.
Pin name
I/O
Description
55
VREFR
O
VREF terminal(R-CH).
56
AOUT2
O
Line out.
57
AV
DD
2
–
Power supply terminal for analog.
58
TEST1
I
Not used (Fixed at “L”).
59
TEST
I
Not used (Fixed at “L”)..
60
Vss1
–
Not used (Fixed at “L”).
61
LRMU
O
OR output of L-CH/R-CH detection flag (AND output) and system flag.
62
DOUT
O
Not used (OPEN)
63
ATSK
I/O
Not used (OPEN).
64
DFCT
I/O
Not used (OPEN).
65
FOK
I/O
Focus OK signal I/O teminal.
66
MIRR
I/O
Not used (OPEN).
67
COUT
I/O
Not used (OPEN).
68
C2PO
O
Not used (OPEN).
69
GFS
O
Not used (OPEN).
70
XUGF
O
Not used (OPEN).
71
XPCK
O
Not used (OPEN).
72
V
DD
1
–
Power supply terminal for digital.
73
PCO
O
Charge pump output for master PLL.
74
FILI
I
Filter input for master PLL.
75
FILO
O
Filter output for master PLL.
76
CLTV
I
VC01 contorol voltage input.
77
VCTL
I
VC02 contorol voltage input for wide range EFM PLL.
78
VPCO
O
Charge pump output for wide range EFM PLL.
79
AV
DD
3
–
Ground terminal for analog.
80
ASYO
O
EMF fullswing output.
81
ASYI
I
Asymmetric comparate voltage input.
82
BIAS
I
Asymmetric circuit current constrant input.
83
AV
DD
3
–
Power supply terminal for analog.
84
RFAC
I
EFM signal input.
85
AV
DD
0
–
Power supply terminal for analog.
86
IGEN
I
Current constant input for OP amplifier.
87
AVss0
–
Ground terminal for analog.
I
RF signal input.
I
E signal input.
I
F signal input.
I
B signal input.
I
A signal input.
I
Center voltage input.
–
Digital ground terminal.
O
Focus drive output.
O
Focus drive output.
97
TRDR
O
Traking drive output.
98
TFDR
O
Traking drive output.
99
SRDR
O
Sled drive output.
100
SFDR
O
Sled drive output.
101
SSTP
I
Most inside disc detection signal input.
102
MDS
O
Spindle drive output.
103
MDP
O
Servo contorol output for spindle moter.
104
C176
O
176.44kHz output.
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