62
DEH-P400,P4000,P4050
Pin No.
Pin Name
I/O
Function and Operation
59
ATEST
I/O
Test pin
60
RFMODE
I
Use/not use select for internal RF amplifier
61
A.GND
Analog circuit GND
62
FD
O
Focus drive output
63
TD
O
Tracking drive output
64
SD
O
Sled drive output
65
MD
O
Spindle drive output
66
DACO
O
DAC output for adjustment
67
FBAL
O
DAC output for adjustment
68
TBAL
O
DAC output for adjustment
69
TEVCA
O
DAC output for adjustment
70
A.VDD
Power supply terminal to analog circuit
71
EFM
O
EFM signal output
72
ASY
I
EFM comparator reference voltage input
73
C3T
3T detection capacitor additional pin
74
RFI
I
RF signal input for EFM data regulation
75
AGCO
O
RF signal output of after gain adjustment
76
AGCI
I
RF-AGC amplifier input
77
RFO
O
RF summing amplifier output
78
EQ2
RF amplifier equalizer parts additional pin
79
EQ1
RF amplifier equalizer parts additional pin
80
RF-
I
RF summing amplifier inverted input
81
A.GND
Analog circuit GND
82
A
I
Photo detector A input
83
C
I
Photo detector C input
84
B
I
Photo detector B input
85
D
I
Photo detector D input
86
F
I
Photo detector F input
87
E
I
Photo detector E input
88
A.VDD
Positive power supply terminal to analog circuit
89
REFOUT
O
Reference electric potential output
90
FE-
I
Focus error amplifier inverted input
91
FEO
I/O
Focus error amplifier output
92
TE-
I
Tracking error amplifier inverted input
93
TEO
I/O
Tracking error amplifier output
94
TE2
I/O
Tracking error output of after amplification
95
TEC
I
Tracking comparator input
Analog circuit GND
PD detection signal input for LD output monitor
LD control current output
APC circuit control polarity set pin
Positive power supply terminal to analog circuit
40
41
60
61
80
1
100
76
1
75
51
50
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