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3-1-2. Block Diagram (Seek)
Disc
Optical
Motor unit
Pick-up
KRS-340B
TRK+
TRK-
A+
A-
B+
B-
SLED MOTOR
Unit
C142
TEZILP
R141
TEI
TEO
HRFZCI
RFZC
CSI
CSI
30
MPPO
(A+D)-(B+C)
A,B,C,D
E,F,G,H
K*{(F+H)-(E+G)}
(A+D)-(B+C)
K*{(F+H)-(E+G)}
DRCO
40
L
41
P
F
DRCO2
46
RF
47
RP
SL
48
V
23
Track Counter
26
and Timer
27
M
A
U
D
27
X
C
IC401
MT1516
-
L
SPPO
P
+
F
-
+
HAVC
LS
G
to
V14
G
MPPO
IC101
MT1518
Short
Seek
Algorithm
Loog
Seek
Algorithm
HAVC
L
LS
G
P
to
F
V14
+
-
Vref
HAVC
L
LS
P
to
F
V14
CSI
D
Tracking
A
Compensator
C
P
Sled
W
Compensator
M
MUTE2
101
102
MUTE1
45
TEO
TEO
RFZC
126
RFZC
43
R456
C489
TRO
102
FMO
26
27
FMO2
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