Focus, Tracking, Slide Servo System Block Diagram - Sony LDP-1500P Service Manual

FOCUS, TRACKING, SLIDE SERVO
5-4. FOCUS, TRACKING, SLIDE SERVO SYSTEM BLOCK DIAGRAM
PR-80 BOARD SV-79 BOARD
IC3 Dl,2 /C6
t ~
FOCUS ERROR
COMPEN
RV5
IC2
I
(AtC)-(8+0)
J
/C3
I
E+F 27
LO ON
J
R45
I
+
R42
/C4
RV6
IC5 IC5
TRKG ERROR
TRKG CORR
A+B+CtD
RVI
FWD/ REV
JUMP TRIG
R60,C22
I
SCAN ON /OFF
I
TRKG ON/OFF
SCAN FIS
5-7
FOCUS, TRACKING, SLIDE SERVO
06
IC I
l,5
017, QI
POWER ON
124
BRAKE
SEARCH
SPDL
I
LOCK
QB
LOOP SW
RV2
20
IC I
TP2
-,
RUN
R98
FOCUS LOCK
I
018
5-8
]FOCUS
COIL
] TRACKING
COIL
SLIDE
MOTOR