Dvd System Control/Servo Block Diagram - JVC LT-19D200 Service Manual

DVD SYSTEM CONTROL/SERVO BLOCK DIAGRAM

1 NOTE:
Either IC461 or IC462 is used for DVD MAIN CBA UNIT.
FS(+)
FS(-)
TO DVD DIGITAL
SIGNAL PROCESS
TS(+)
BLOCK DIAGRAM
TS(-)
DRIVE PWB
LOAD-DISC
SPINDLE
MOTOR
M
SP(+)
SP(-)
SLED
LOAD-DISC
MOTOR
GND
M
SL(-)
SL(+)
SENSOR PWB
CN5001
1
LED-POWER
2 DVD-DISC-OUT 2
3 DVD-DISC-IN 3
DISC-IN DISC-OUT
+3.3V +3.3V
IC461 IC462
2 RESET 1 1 RESET
IC301
(SERVO DRIVE)
+
FOCUS
15
+ -
ACTUATOR
-
16 DRIVE
+
TRACKING
14
+ -
ACTUATOR
-
13 DRIVE
SPINDLE
12
+
MOTOR
- +
11 DRIVE
-
SLED
17
+
MOTOR
-
18 DRIVE
CN301
1
2
6
3
4
5
+3.3V
Q804
CN801
1
(No.YA711<Rev.001>)2-21
IC101
(MICRO CONTROLLER)
3 70 RESET
VREF
27
26 127 FOCUS DRIVE
124 FD-OFST
25
24
123 TD-OFST
1 126 TRACKING
DRIVE
2
3
4 66 SPDL
5
6
23 67 SLD
IC202
(OP AMP)
3
1 121 SP-ROT
2
122 SL-ADS
5
7
6
65 LOAD-DISC
DVD-SCLK
DVD-CS
DVD-SDATA
DVD-REMOTE
DVD-P-ON
61 DVD-DISC-OUT
63 DVD-DISC-IN
2-22(No.YA711<Rev.001>)
DVD MAIN PWB UNIT
DVD-SCLK
53
DVD-CS
54
DVD-SDATA
56
DVD-REMOTE TO
49
SYSTEM CONTROL
DVD-P-ON
77 BLOCK DIAGRAM
LED-CONT
DVD-DISC-OUT
DVD-DISC-IN