Sanyo CP10 - IC Block Diagrams: Amplifiers and Comparators; Operational Amps and Comparator ICs

IC BLOCK DIAGRAM
Tracking
error
signal
is
here
input
Inverted
input
of
operational
through
C
coupling.
amplifier
1.
Time
constant
is
decided
by
1-track
Output
of
operational
amplifier
3.
jump
(usually
set
at
about
2
kHz).
Inverted
input
of
operational
Tracking
error
input
signal.
amplifier
3.
Amperage
setting
pin
to
decide
focus
Non-inverted
input
of
operational
search
voltage,
tracking
jump
voltage
amplifier
3.
and
sled
forward
voltage.
This
signal
is
used
during
1-track
Power
supply
pin
(usually
+5V).
jump
operation
and
is
usually
set
at
Connected
to
capacitor
which
High
level.
decides
the
time
constant
for
charge/
When
it
is
at
Low
level,
it
reverses
discharge
waveform
of
focus
search
the
direction
of
track
jump
pulse.
operation.
"When
it
is
next
set
at
High
level,
the
Power
supply
pin
(usually
—5V).
unit
gets
in
normal
tracking
mode.
Gain
selection
pin
of
focus
amplifier.
It
is
Kept
at
Low
level
for
a
certain
It
is
opened
or
set
at
ground
level.
time
with
detection
of
the
rising
and
If
the
player
is
exposed
to
some
folling
edges
of
TZC
signal.
mechanical
shock,
its
information
is
Output
of
operational
amplifier
2.
here
input.
This
is
enabled
simply
by
Inverted
input
of
operational
application
of
tracking
error
signal
amplifier
2.
through
band
pass
filter.
If
this
pin
is
Gain
selection
pin
of
tracking
not
used,
it
must
be
connected
to
amplifier.
ground.
It
is
opened
or
set
at
ground
level.
Focus
error
signa!
input.
Ground
of
IC.
Output of operational amplifier 1.
1C301,705 NJM4560M [C702,802 NJM072M or 1C303 NJM2901M
1€302 NJM4558M M5238FP QUAD COMPARATOR
1C403 NJMO082BM 1C932 LA6358
1C502 NJM2903M
output 2 (1) (14) OUTPUT 3
OUTPUT 1 (43) OUTPUT 4
INPUT
1-
INPUT
4+
(4)
(1)
INPUT 1+ (10) INPUT 4-
INPUT 2- Flas (9) INPUT 3+
INPUT
2+
(8)
INPUT
3-
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