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CXA1372S Treminal Function
Terminal
No.
1
RE
TDFCT
ATSC
FZ
Terminal Function
Tracking error signal input terminal.
Capacitor connecting terminal for time constant at the time of defect.
Input terminal of ATSC detecting window comparator.
oO
n m
Input terminal of focus zero-cross comparator.
Focus error signal input terminal.
FDFCT
Capacitor connecting terminal for time constant at the time of defect.
Ve
Mid-point voltage input terminal.
FGD
in case of reducing higher range gain of focus servo, connect a capacitor between this terminal and terminal number (9).
FS3
Shifts higher range gain of focus servo by FS3 ON/OFF.
Terminal for external time constant to increase lower range of focus servo.
FEO
Focus drive output
FE-
Reverse input terminal for focus amplifier.
13
SRCH
Terminal for external time constant to make focus search waveform.
Terminal for external time constant to shift higher range gain of tracking.
Terminal for external time constant to shift higher range gain of tracking.
= a
Je
[au =
pow
[oa oO
Nin
[| s Nisa
1o
TGU
TG2
TAO
TA
SL
20
SLO
Sled drive output.
Reverse input terminal for sled amplifier.
Terminal to compensate peak in focus/tracking phase.
Delivers a current to set the height of focus search, track jump, and sled kick.
np are
ce2) rc
2° Cc
FSET
ISET
SSTOP
DIRC
LOCK
Reckless drive protection circuit of sled; activates at "L". A 47k ohm pull up resistor is included.
27
XLT
DATA
XRST
C.OUT
SENS
31
32
36
DFCT
Input terminal for auto-symmetric control
37
ASY
3 6 _ _ |
EFM
FOK
40_|
oct
Input terminal to input DEFECT bottom hold output by capacitance combination.
Capacitor connecting termina! for DEFECT bottom hold.
MIRR hold capacitor connecting terminal. A non-reverse input terminal for MIRR comparator.
iil
Blo
ie)
P
:
45
RFI
Input terminal to input RF summing amplifier output by capacitance combination.
46
RFO
Output terminal for RF summing amplifier. Check point for eye pattem.
Tracking zero-cross comparator input terminal.
28
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