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OPTICAL PICK UP UNIT AV DECODER PCB TERMINAL PCB
G
RF SIGNAL MOTOR DRIVE SIGNAL TRACKING ERROR SIGNAL FOCUS ERROR SIGNAL
IC2501
IC8001 (MOTOR DRIVE)
VO4+
15
-
+ M2502
VIN5
PHOTO DETECTOR 122 TRAVERS MOTOR
LEVEL
DRV0 TRIN VO4-
70 26 SHIFT 16
VIN6
123 -
B1 B2
- +
A1 A2 +
BIAS1
A4 A3 HEAD VIN7 OPIN+
124 4
B4 B3 AMP
F VIN8
150
DAC1
2
VIN1
125
VO3+
17
-
VIN1 +
126 M2501
SPINDLE MOTOR
DAC0 VIN2
152 3 LEVEL
VIN2 VO3-
127 SHIFT 18
-
+
VIN3
128
OPIN-
5
DRV1 VIN3
71 23
VIN4
129
VIN9
E 130
AD0 OPOUT +
148 6
VIN10 -
131
LASER DIODE
DVD
Q8002
OPTICAL PICK UP UNIT
LD DRIVE 133 Tray DRV -
FROM LDIN
24 +
IC6001-41,42PIN
132 IC2511-11,12,13,14
1.2Vp-p(0.5usec./div.)
BIAS2 ACTUATOR
LASER DIODE Q8003
CD FOCUS
LD DRIVE 135 - COIL
VO1+ ACT T+
+ 14
D 134
LEVEL
VO1- ACT T-
SHIFT 13
- - TRACKING
+ + COIL
VO2+ ACT F+
12
RFINN
120
VO2- ACT F-
- 11
RFINP
121 +
LEVEL
SHIFT
- -
+ +
C
B
Note:
Marked *(spare) parts are not assembled
Important Safety Notice: !
NV-VP25EC
A Components identified with the mark have
the special characteristics for safety. VP30EC/EB/EBL/EP/EF
When replacing any of these components SERVO SECTION
use only the same type. BLOCK DIAGRAM
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