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Pin No.
Symbol
Oo
Description
52
TE2
Tracking Error Servo input pin
53
TE1
fa)
Output pin of tracking Error Amplifer
54
TDFCT
|
Capacitor Connection pin for Defect Compensation of tracking servo
55
DVCC
Digital positive power supply input pin for servo part
56
FE2
|
Focus error servo input pin
57
FE1
O
Output pin of focus error Amplifier
58
FDFCT
;
Capacitor connection pin for defect compensation of focus servo
59
FOK
O
Output pin of Focus ok comparator.
60
LDON
|
Laser diode ON/OFF control pin
61
El
|
Feedback input pin of E !-V amplifier
62
EO
re)
Output pin of E |-V amplifier
63
FBIAS
Bias pin of non-inverting input of focus error amplifier
64
DVEE
Digital negative power supply input pin for servo part
65
RFI
Output Signal of RF summing amplifier is inputed through capacitor
66
RFO
O
Output pin of RF summing amplifier
67
RF-
Inverting input pin of RF summing amplifier
68
RV
Output pin of (AVCC + AVEE)/2 Voltage
69
CV
Bias input pin of Center Voltage Buffer
70
LD
6
Output pin of APC amplifier
71
PD
|
Input pin of APC amplifier
72
AVCC
Analog positive power supply input pin for RF part
73
N/C
No connection
74
PD2
;
Inverting
input pin of RF I-V AMP2
75
PD1
|
Inverting input pin of RF Il-V AMP1
76
F
I
Inverting input pin of F |-V AMP
77
E
I
Inverting input pin of E |l-V AMP
78
P/N
Selecting P-sub/N-sub of Laser diode
79
DCC2
Defect bottom-hold output is inputed through capacitor
80
DCC1
Output pin of defect bottom-hold
- 23 -
RCD-750
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