FUNAI D8A-M1000DB - Page 26

1-11-5
BLOCK DIAGRAMS <DVD SECTION>
E8GA0BLSD
DVD System Control / Servo Block Diagram
1 NOTE: Either IC461 or IC462 is used for DVD MAIN CBA UNIT.
REMOTE
SENSOR
RM2001
MAIN CBA
TO SERVO/SYSTEM CONTROL BLOCK DIAGRAM <VCR SECTION>
DVD-POWER
CN401 CL1051
DVD-PLAY
DVD-STOP
DVD-POWER
DVD-OPEN/CLOSE
EV+3.3V
EV+3.3V
SW2020
CN2016CN2015
DVD-OPEN/CLOSE
1 EV+3.3V
1
2
DVD-OPEN/CLOSE
2
DVD OPEN/CLOSE CBA
SW2021 STOP SW2022 PLAY
78 80 77 79 56
DISCIN-L
54SKIP-DOWN 53
SKIP-UP
49
REMOTE-DVD
55
PLAY
DVD MAIN CBA UNITDRIVE CBA
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
TRAY-IN SLD
67
SPDL
66
TRACKING DRIVE
127
FOCUS DRIVE
65
TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM
FS(+) FS(-) TS(+) TS(-)
TO DVD VIDEO/ AUDIO BLOCK DIAGRAM
ASPECT
ASPECT
TRAY-IN
1SP(+) 2SP(-) 6TRAY-IN 3GND 4SL(-) 5SL(+)
VREF
RESET70
60
RESET
IC462
1 3
+3.3V
+3.3V
IC202 (OP AMP)
15 16 14 13 12 11 17 18
23
6 4 5 3 1 2
25 24 27 26
63
SL-AMP
121
SP-ROT
+3.3V
1
2
6
7
5 3
9
8
10
122
SL-ADS
RESET
IC461
2 1
REMOTE-VIDEO
28 26DVD-PLAY 29 27DVD-STOP 26 24DVD-POWER 27 25DVD-OPEN/CLOSE 21 19SKIP-UP 24 22DISCIN-L 22 20
SKIP-DOWN
23 21PLAY 25 23REMOTE-DVD
SW2005 SKIP-UP SW2006 SKIP-DOWN
Q2002 Q2012
EV+3.3V
AL+5V
D2001
DISCIN-L
D2002
PLAY