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IC, LA9241ML
1
FIN2
en
.
and subtracting it generates FE signal.
FIN1
Por | Connects to the pickup's photo diode.
Connects to the pickup's photo diode; subtracting this pin from pin F generates
Connects to the pickup's photo diode; adding this pin to pin FIN1 generates RF signal,
TE signal
Connects to the pickup's photo diode.
reat
Input for DC component of TE signal.
Connects to the resistor between this pin and TE pin for setting the gain of TE signal.
= <9)
Output for TE signal.
TESI
SCcl
Input for TES (Track Error Sense) comparator, TE signal is band-passed and inputted.
Input for shock detection.
RR jon]
For setting tracking gain time constant.
R iol
a
TA amplifier output pin.
m no
For constructing tracking phase compensation constant between TD and VR pins.
For setting tracking phase compensation.
RR
tb
a ~~
For setting the amplifier of tracking jump signal (kick pulse).
a rm
Output for tracking control signal.
pel
Output for focusing control signal.
—
~
=e
iG
For constructing focusing phase compensation constant between FD and FA pins.
= a
le!
For constructing focusing phase compensation constant between FD— and FA~ pins.
e oO
For constructing focusing phase compensation constant between FA and FE pins.
YQ
o
les}
ies]
Output for FE signal.
N pare
bes]
T
Connects to the gain-setting resistor of FE signal between this pin and FE pin.
nN N
NO
~ a=)
A-GND
Q
ND for analog signals.
N w
Zz a
Not connected.
Single end output of CV+ and CV- pin input signal.
a
a y
'his
.
TOKGe
N WN
SPG
Connects to the gain-setting resistor during spindle 12cm mode.
i) an
Connects to spindle phase compensation constant together with SPD pin.
P
SLEQ
SLD
Output for spindle control signal.
Nv ~
31%
O1i
No oe
Connects to sled phase compensation constant.
N oO
Output for sled control signal.
Input for sled-sending signal from microcontroller.
w °
1)
Y
Ww pea
SL+
Input for sled-sending signal.
Input for tracking-jump signal from DSP.
ioe) w
co
i")
w
rs
Jj Ee
+
G
Input for tracking gain control signal from DSP; gain is low if TGL = "H".
w wm
-
TOFF
TES
Input for tracking off control signal from DSP; off if TOFF = "H".
Ww an
Ww N
oa
°
Outputs TES signal to DSP.
HIGH FREQUENCY
LEVEL; used to determine whether the main beam is on a pit or
on a mirror.
Input for sled servo off control.
w ~
SLOF
;
oo
| ~ rm
oe
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