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2) Tracking Servo System
The main tracking equalization takes place inside the
UPD63700GF
(figure 19 ). The equalizer response can
be measured between TEX and TIN and will have the
shape shown in figure 20.
DIGITAL
EQUALIZER
JUMP
PARAMETERS [—>)
UPD63700GF
IC 1401
XRAG797FP
IC 1201
Fig.19 : TRACKING SERVO BLOCK DIAGRAM
(dB)
(DEG)
30
20
GAIN UP
(T,. mY
NORMAL
sais? ia PLAY)
7
TT
7
TT
TO
7
10
100
1K
FREQUENCY
10k
Hz
Fig.20 : TRACKING EQUALIZER
1-24
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