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IC, LA9241M
S co)
Pin Name
Pin to which external pickup photo diode is connected. RF signal is created by adding
with the FINI pin signal. FE signal is created by subtracting from the FIN] pin signal.
Pin to which external pickup photo diode is connected.
Pin to which external pickup photo diode is connected. TE signal is created by
-/-
es
Z
any
;
- )
subtracting from the F pin signal.
Pin to which external pickup photo diode is connected.
DC component of the TE signal is input.
;
Pin to which external resistor setting the TE signal gain is connected between the TE pin.
;
J
4
td
TE signal output pin.
4
ii
312
TES "Track Error Sense" comparator input pin. TE signal is passed through a band-
Cc
pass filter then input.
Shock detection signal input pin.
Tracking gain time constant setting pin.
TA amplifier output pin.
Pin to which external tracking phase compensation constants are connected between
me
fe -
| oO
i _
ea
ed
~ Nin]
sr
Nn
—
T
I
the TD and VR pins.
ra Ww
I
Tracking phase compensation setting pin.
Tracking jump signal (kick pulse) amplitude setting pin.
Ea
Tracking control signal output pin.
Ew
Focusing control signal output pin.
.
Pin to which external focusing phase compensation constants are connected between
the FD and FA pins.
I
I
the FA and FE pins.
Ea
_FE signal output pin.
Pin to which external FE signal gain setting resistor is connected between the FE pin.
=
Pin to which external focusing phase compensation constants are connected between
the FD- and FA-— pins.
fo.)
Pin to which external focusing phase compensation constants are connected between
N oO
T.
T.
T
F
F
F
a '©
rf
—
22
AGND
Analog signal GND.
No connection.
:
eal
Single ended output of the CV+ and CV- pin input signal.
SPG_
2
|| Pin to which external spindle gain setting resistor in 12 cm mode is connected.
ei
Pin to which external spindle phase compensation constants are connected together
with SPD pin.
SPD
| o | Spindle control signal output pin.
SLEQ
SLD
30, 31
SL-, SL+
32, 33
JP-, JP+
TOFF
N Le)
A
D—-
D
JP
Oo
FD
'D-
FA
A
FE
E-
NC
SP
N &
}
On
N aN
Pin to which external sled phase compensation constants are connected.
Tracking off control signal input pin from DSP.
Off when TOFF = H
N Ke)
sh
coo} ~
a
G
14
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