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Samsung RCD-750 - Page 24

Samsung RCD-750
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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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