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AV DECODER C.B.A. DVD UNIT
RF SIGNAL MOTOR DRIVE SIGNAL TRACKING ERROR SIGNAL FOCUS ERROR SIGNAL
IC2501
(MOTOR DRIVE)
VO4+
15
-
+ M2502
TRAVERS MOTOR
P37001 FP5202 TRIN LEVEL VO4-
9 26 SHIFT 16
20 20
-
- +
BIAS1 +
OPIN+
4
P37001 FP5202 VIN1
7 2
16 16
VO3+
17
-
+ M2501
SPINDLE MOTOR
P37001 FP5202 VIN2
5 3 LEVEL
15 15 SHIFT VO3-
18
-
+
OPIN-
5
P37001 FP5202 VIN3
11 23
17 17
P37001 FP5202 OPOUT +
33 6 -
14 14 IC2511-11,12,13,14
7.2Vp-p(20usec./div.)
-
FROM LDIN +
IC6001-27,28PIN 24 OPTICAL PICK UP UNIT
BIAS2 ACTUATOR
P37001 FP5202 CH3 TRACKING
8 27 - COIL
21 21 MUTE VO1+ ACT T+
+ 14
P37001 FP5202 CH1,2
6 9 MUTE LEVEL
12 12 SHIFT VO1- ACT T-
IC37004 13
(AVDEC) - - FOCUS
+ + COIL
VO2+ ACT F+
12
P37001 FP5202 LD CNT
201 28 CNT
22 22
204
VO2- ACT F-
207 - 11
P37001 FP5202 MUTE4 CH4 +
208 20 MUTE
13 13
P37001 FP5202 LEVEL
SW2501 SHIFT
23 23 IN SW
- -
+ +
P37004 P30004 P30005 FROM
4 4 1 TRAY SW
IC37002
(4M SDRAM)
2 DQ0
5
144 7
DRAMD 131 10
DRAMD
128 35
127
38
40
43 DQ15
18 A0
119
21
DRAMA DRAMA
24
111
28 A8
NV-VHD1B/EC/EE/F NV-VHD1B/EC/EE/F
DVD SERVO BLOCK DIAGRAM DVD SERVO BLOCK DIAGRAM