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32
1C-Blockschaltbilder/IC-Block diagrams
red 2 LA1266
1C2,_ LA3401
HFOK-
16201, XB087A0
Fur autom. Fokusfehler-
Komparator
Fokussuche vorverstarker
|
|
be
DMO DA- OMI £00 FO CFC FOF FCS FZC FPO FFI FE FAF OFT cO2 EOI HF HN 80 AC vee
[a2
i
(el B51 (34) (331 32)
Pa Bel Ba Pal
i
Vcc
i
Focus]
Ditk Drive Ane
Focus Servo}
or
Treiberver— focus drive Ame | Stith
starker f. Fokustreiber-
Cd-Teller-
verstarker
motor
ae
on
Fokuspunkt-
detektor
HF-Ver—
es
$2/S3/S4
starker
s
in der Spurfh~ Fir Cowarstor
Focus Error Ave
Pp
Fensterkomparator
rungsregelung
Fokuskomparator
Fokus fehter:
8
zur Spurbegrenzung
Tracking Control Seieh
signalver-
é
Spurkreuzungs-
_starker
s
Teacking Drive Lisite,
komparator
& Veeiberver-
Teaching Zaro-eroes-Dpteetor
starker
fir
"
ae
§ Spurfubrungs-
Vorverstarker zur
& motor
5 Food Drive Aap
8 &
<= ra m
Vee FEO FES: Fee TwC TOO TDi TOie TH
Vorverstarker
fiir Steuerung
der Spurfih-
rungsspule
16 TS TOF ciM TER
GyO Gyo
33
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