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SECTION
4
DIAGRAMS
IC101
(CXA1372Q)
PIN
DESCRIPTIONS
PIN
NO.
PIN
NAME
I/O
FUNCTION
1
VC
2.5
Volts
power
supply.
2
FGD
I
Focus
gain adjusting capacitor
connected
between
(2)
pin
and
(3)
pin.
3
FS3
1
Focus
gain adjusting capacitor
connected
between
©
pin
and
®
pin
4
FLB
I
Focus Servo low frequency
boost-up capacitor' connected.
5
FEO
0
Focus
drive output.
6
FE-
I
Focus
error
amp
inverted
input.
7
SRCH
I
Connected
capacitor
to
making
the focus serch
waveform
8
TGU
1
Tracking
gain adjusting capacitor
connected
between
®
pin
and
®
pin
9
TG2
I
Tracking
gain adjusting capacitor
connected
between
®
pin
and
®
pin
10
AVCC
+
5
Volts
power
supply.
11
TAO
0
Tracking
drive output.
12
TA-
I
Tracking
amp
inverted
input.
13
SL +
I
Sled
amp
non-inverted
input.
14
SLO
0
Sled drive output.
15
SL-
I
Sled
amp
non-inverted
input.
16
FSET
1
Phase
stabilizer
setting
resistor
connected.
17
ISET
I
Current
setting resistor
connected.
18
SSTOP
I
Limit switch connection
port.
19
AV
EE
Ground
(0V).
20
DIRC
I
Direct control
port.
Non-connected.
21
LOCK
1
Sled free-run protection
is
operate
at "L".
22
CLK
I
Serial
data transmission
clock input
form
digital
signal processor.
23
XLT
I
Latch
input
from
digital
signal
processor.
24
DATA
I
Serial
input
from
digital
signal
processor.
25
SENS
0
Outputs
internal state
corresponding
to
address.
26
XRST
1
System
reset input.
Reset
at "L".
27
C.
OUT
0
Tracking
counter
output.
28
D
GND
Digitel
ground.
Grounded
29
MIRR
0
Mirror output
digital
signal processor.
30
DFCT
0
Deflect output. Deflect
at
"H".
31
ASY
I
Auto symmetry
control
input.
32
EFM
0
EFM
Comparator
output.
33
FOK
0
Focus OK.
34
CC2
I
Deflect
bottom
hold
input.
35
CC1
0
Deffect
bottom
hold output.
36
DV
CC
+
5
Volts
power
supply.
37
CB
1
Deffect
bottom
hold capacitor
connected.
38
CP
1
Mirror
hold capacitor connected.
39
RF!
1
RF
Signal input
(Capacitance coupled).
40
RFO
I
RF
Signal input (Direct
Coupled).
41
DV
EE
Grounded
(0V).
42
TZC
1
Tracking
Zero-cross
comparator
input.
43
TE
I
Tracking
error
amp
input.
44
TDFCT
I
Deffect correction hold capacitor
connected
45
ATSC
1
Anti-shock
input.
46
FZC
1
Focus
Zero-cross
comparator
input.
47
FE
I
Focus
error
input.
48
FDFCT
I
Deffect correction hold capacitor
connected.
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