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SL-P2000
M@ TERMINAL FUNCTION OF IC'S
* 1C101 (AN8800SCE2): Servo amp
ite)
vo
;
Division
Division
Ea
LDG
Ee
| APC loop gain select
22 | PLAY
Ex
Play signal (''H": ON, "L": OFF)
2
LDP
APC monitor PD polarity select
23
WVEL
pouae velocity (H": double,
(Not used, open)
L": single)
Tracking error shunt ("H":
LO
Laser power auto control output
26 | TES
eS
shunt, "L": output)
LPD
LD power monitor PD signal
PTO
ea
Potentio amp output
5 |
ee
=
fevotemnt
|
EB
"
ex
one
ene
ats
LOON
LD APC ONIORE
CH
ON
Os
27
PBO
Potentio buffer output
OFF)
7
AMP |
aed
PO
Eat
Potentio buffer input
RF signal (X30 amp)
AMP O
Le
ROSS
Tracking error zero cross output
TE
Tracking error signal
TE BAL
Oscillation det. signal
22 | TBAL
Ex
Tracking balance adj. input
Oscillation det. signal ("H": det.)
34
Focusing error signal
RF AGC signal input
AGC detection capacitor input
oO
+
1
_
. AGC
— o
RF signal output
Dropout detection capacitor
Cc. SBDO
:
input
RF detection signal ("L":
detecting)
14
AF DET
Focusing balance 2
Focusing balance 1
ae
Power supply terminal
Photo detector Bch input with
delay
Photo detector Ach input
without delay
PDB
Photo detector Ach inpu t with
delay
Photo detector Bch inpy t
without delay
AR
D
B
Dropout detection output
po
| Power supply terminal
F
le)
Vee
Dropout detection pulse output
Power supply terminal for A/D
converter (+)
VREF
Reference voltage output
Power supply terminal! for A/D
VAD—
converter (—)
OFTR
eral Off track detection ("H": det.)
VAD +
21
_ _ ~"
on
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