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AVIC-X930BT/XNUC
158
1
2
3
4
1
2
3
4
C
D
F
A
B
E
Disc used:GGV1025
Measurement reference: AGND3
Measurement point: RF
Expansion
Oscilloscope
RF
AGND3
-
SKEW adjustment
When one of the following replacements has taken place, SKEW adjustment for the pick up will be required.
(1) Replacement of the pick up unit
(2) Replacement of the spindle motor
(3) Replacement of the carriage chassis
(4) Replacement of the main shaft of the pick up unit
Measurement equipment and tools/jigs: Oscilloscope
Driver for SKEW adjustment -> Driver
Bond for fixing the SKEW -> GEM1033
Bond for resonance -> 1530 (1530 : produced by THREE BOND)
Bond for locking the screw -> 1401M (1401M : produced by THREE BOND)
Connection drawing
DVD core unit
Symptom in case the adjustment is not adequate: Worsening of the error rate 10
(Normally
10
or
less.)
Large
RF
jitter
RF
waveform
distortion
Tracking
drawing/Unstable
servo
* Caution: Do not look into the laser light during adjustment.
-3
-4
RF
AGND3
Summary of Contents for AVIC-F930BT
Page 27: ...AVIC X930BT XNUC 27 5 6 7 8 5 6 7 8 C D F A B E ...
Page 80: ...AVIC X930BT XNUC 80 1 2 3 4 1 2 3 4 C D F A B E Side A SCLOCK SDATA D CP_RESET D DGND2 ...
Page 165: ...AVIC X930BT XNUC 165 5 6 7 8 5 6 7 8 C D F A B E ...
Page 175: ...AVIC X930BT XNUC 175 5 6 7 8 5 6 7 8 C D F A B E ...
Page 207: ...AVIC X930BT XNUC 207 5 6 7 8 5 6 7 8 C D F A B E ...
Page 215: ...AVIC X930BT XNUC 215 5 6 7 8 5 6 7 8 C D F A B E ...
Page 263: ...AVIC X930BT XNUC 263 5 6 7 8 5 6 7 8 C D F A B E ...
Page 269: ...AVIC X930BT XNUC 269 5 6 7 8 5 6 7 8 C D F A B E ...