67
XDV-P9
6.4 SKEW ADJUSTMENT
-
If skew adjustment is necessary:
1) Replace the pickup unit by a new one.
2) Replace the spindle motor by a new one.
3) Replace the CRG chassis by a new one.
4) Replace the main shaft of the pickup unit by a new one.
5) Replace the sub shaft of the pickup unit by a new one.
* No skew adjustment is necessary for replacement of the CRG motor and the like.
-
Procedures (Fig.1)
1) Remove the adhesive of the pickup unit with a pair of tweezers (above 2) to 5) only).
* Take care at this time that no fragments of the adhesive will be scattered, and that no unnatural force will apply to
the actuator.
2) Monitor the test point of the TP210 (RF waveform monitor) on the basis of GND in the product state with an
oscilloscope.
3) Clamp adjusting disc (GGV1018).
Skew adjusting screw
Skew adjusting screw B
Adhesive
Adhesive
Coat the shaded portion (two locations)
with (adhesives).
Fig.1
Actuator
Summary of Contents for XDV-P9
Page 6: ...XDV P9 2 2 EXTERIOR 6 ...
Page 9: ...9 XDV P9 2 3 DVD MECHANISM ...
Page 25: ...25 XDV P9 IC1201 pin 45 200mV div 10µs div Composite signal output ch1 GND ...
Page 29: ...29 XDV P9 5V PD6335A 5 6 7 8 A B C D 5 6 7 8 E a E b 2 2 E a 4 5 6 7 8 9 10 ...
Page 39: ...39 XDV P9 ...
Page 41: ...XDV P9 1 2 3 4 A B C D 1 2 3 4 41 B EREF EPVO E MAG SIDE A SIDE B PCB UNIT B B PCB UNIT B B ...
Page 42: ...42 XDV P9 A 1 2 3 4 B C D 1 2 3 4 C Q851 2 1 9 1 4 1 M M1 CARRIAGE D A E C PCB A ...
Page 43: ...XDV P9 1 2 3 4 A B C D 1 2 3 4 43 D 1 2 M M2 TRAY C D PCB B ...
Page 44: ...44 XDV P9 A 1 2 3 4 B C D 1 2 3 4 E E MAIN UNIT E E E E E 4 2 MAIN UNIT ...
Page 45: ...E E E E E E E 8 14 1 7 45 XDV P9 5 6 7 8 A B C D 5 6 7 8 E SIDE A ...
Page 50: ...50 XDV P9 E E E E E E A 1 2 3 4 B C D 1 2 3 4 F EXTENSION UNIT F ...
Page 51: ...51 XDV P9 E E E E E E E E E E E E E 5 6 7 8 A B C D 5 6 7 8 F SIDE B ...
Page 53: ...53 XDV P9 1 2 3 4 A B C D 1 2 3 4 F CN3891 KEYBOARD UNIT G G SIDE B ...
