Service manual

10-10
DVD System Control / Servo Block Diagram
A94F0BLSD
IC301
(SERVO DRIVE)
CN301
M
SLED MOTOR
M
SPINDLE MOTOR
IC101
(MICRO CONTROLLER)
+
-
+
-
+
-
+
-
+
-
+
-
+
-
SLED MOTOR DRIVE
FOCUS ACTUATOR DRIVE
SPINDLE MOTOR DRIVE
TRACKING ACTUATOR DRIVE
126
LOAD-DISC SLD
67
SPDL
66
TRACKING DRIVE
127
FOCUS DRIVE
FS(+) FS(-) TS(+) TS(-)
LOAD-DISC
1SP(+) 2SP(-) 6LOAD-DISC 3GND 4SL(-) 5SL(+)
VREF
RESET70
RESET
IC462
1 3
+3.3V
IC202 (OP AMP)
15 16 14 13 12 11 17 18
23
6
4
5 3
1
2
25
24
27
26
121
SP-ROT
124
FD-OFST
123
TD-OFST
RESET
IC461
2 1
+3.3V
TO DVD DIGITAL SIGNAL PROCESS BLOCK DIAGRAM
DRIVE CBA
DVD MAIN CBA UNIT
122
SL-ADS
DISC-IN
1
2
6
7
5 3
3
DVD-DISC-IN
3
2
DVD-DISC-OUT
2
CN801CN5001
DISC-OUT
SENSOR CBA
+3.3V
1 LED-POWER
1
Q804
63
DVD-DISC-IN
61
DVD-DISC-OUT
TO SYSTEM CONTROL BLOCK DIAGRAM
53DVD-SCLK 54
DVD-CS
49
DVD-REMOTE
56
DVD-SDATA
DVD-SCLK
DVD-CS
DVD-SDATA
DVD-REMOTE
LED-CONT
DVD-DISC-OUT
DVD-DISC-IN
77
DVD-P-ON
DVD-P-ON
65
1 NOTE: Either IC461 or IC462 is used for DVD MAIN CBA UNIT.