Denon DCD-1420 - CXA1081 S Terminal Details; CXA1081 S Terminal Function Descriptions

Terminal
Terminal
No.
1
DC voltage Terminal Function
(v)
0
Input terminal of capacitance coupled RF summing amplifier output.
VREO Terminal for RF summing amplifier output. Check point of Eye pattern.
0 Feedback input terminal of RF summing amplifier.
fa
fem
|
|
0
(ve)
|
P-sub/N-sub
shifting
terminal
for
Laser
Diode
(LD).
(OC
voltage:
at
N-sub.)
LD
oO
|
-1.8
Output
terminal
of
APC
(Automatic
Power
Contro!)
LD
amplifier.
(DC
voltage:
at
N-sub,
PD
opened.)
|
PD
Il
0
Input
terminal
of
APC
(Automatic
Power
Control!)
PD
amplifier.
(OC
voltage:
opened.)
a
P01
|
|
0
Reverse
input
terminal
of
RF
!-V
amplifier
(1).
Receives
a
input
current
through
A
+
C
terminals
of
photo
|
8
PD2
ilo
Di
input
terminal
of
RF
IV
amplifier
(2).
Receives
a
input
current
through
B
+
D
terminals
of
photo
| At + dual-power supply: Becomes GND.
1 At mono-power supply: Becomes VR. (connect to pin 14.)
Reverse input terminal of F !-V amplifier.
Receives a input current through F terminal of photo diode.
Reverse input terminal of E I-V amplifier.
Receives a input current through E terminal of photo diode.
Output terminal of E !-V amplifier.
Feedback
input
terminal
of
E
|!-V
amplifier.
For
gain
controlling
of
E
|-V
amplifier.
Output terminal of DC voltages (Vec + Vee)/2.
17
Vv
At
+
dual-power
supply:
Becomes
negative
power
supply
terminal.
EE
~
|
-2.5
At
mono-power
supply:
Becomes
GND.
Bias terminal for non-reverse side of focus error amplifier.
For CMR controlling of focus error amplifier.
Output terminal of focus error amplifier.
Output terminal of tracking error amplifier.
Output
terminal
of
defect
comparator.
(DC
voltage:
Connect
a
10
kf
load
resistance.)
Output
terminal
of
MIRR
comparator.
(DC
voltage:
Connect
a
10
kf
load
resistance.)
Connecting
terminal
for
MIRR
hold
capacitor.
Non-reverse
input
terminal
of
MIRR
comparator.
Connecting terminal for defect bottom hold capacitor.
At + dual-power supply: Say
: At mono-power supply: GND (Vee).
p pply
{ ; :
26
ASY
I]
-
Input
terminal
of
auto-asymmetry
control.
27
EFM
O
|
VEFMH
Output
terminal
of
EFM
comparator.
(DC
voltage:
Connect
a
10
k92
load
resistance.}
28
FOK
O
|
VEoKL
Output
terminal
of
focus
OK
comparator.
(DC
voltage:
Connect
a
10k22
load
resistance.)
29
CD
ON
a
-2.5(D
GND)|
ON/OFF
shifting
terminal
for
laser
diode
(LD).
(DC
voltage:
At
LD
ON.)
[250 | Positive power supply terminal,
1
|
|
i
{
a
{
{
\
t
i
i
RE AN HR OOOO OR AA OR RAAA REREAD