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AVH-P5050DVD/XN/RC
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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
(5) Replacement of the sub shaft of the pick up unit
Measurement equipment and tools/jigs: Oscilloscope
Driver for SKEW adjustment
t
TORX driver (T2) (GGK1095)
Bond for fixing the SKEW (GEM1033)
Bond for locking the screw (Locking agents(1401M : produced by THREE BOND))
Disc used: GGV1025
Measurement reference: AGND2
Measurement point: RF
Connection drawing
DVD core unit
Enlargement
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.
Oscilloscope
RF
AGND2
-4
-3
Summary of Contents for AVH-P5050DVD
Page 8: ...AVH P5050DVD XN RC 8 1 2 3 4 1 2 3 4 C D F A B E 2 SPECIFICATIONS 2 1 SPECIFICATIONS ...
Page 9: ...AVH P5050DVD XN RC 9 5 6 7 8 5 6 7 8 C D F A B E ...
Page 11: ...AVH P5050DVD XN RC 11 5 6 7 8 5 6 7 8 C D F A B E 2 3 PANEL FACILITIES ...
Page 12: ...AVH P5050DVD XN RC 12 1 2 3 4 1 2 3 4 C D F A B E ...
Page 13: ...AVH P5050DVD XN RC 13 5 6 7 8 5 6 7 8 C D F A B E ...
Page 14: ...AVH P5050DVD XN RC 14 1 2 3 4 1 2 3 4 C D F A B E ...
Page 15: ...AVH P5050DVD XN RC 15 5 6 7 8 5 6 7 8 C D F A B E ...
Page 16: ...AVH P5050DVD XN RC 16 1 2 3 4 1 2 3 4 C D F A B E 2 4 CONNECTION DIAGRAM ...
Page 21: ...AVH P5050DVD XN RC 21 5 6 7 8 5 6 7 8 C D F A B E ...
Page 59: ...AVH P5050DVD XN RC 59 5 6 7 8 5 6 7 8 C D F A B E ...
Page 103: ...AVH P5050DVD XN RC 103 5 6 7 8 5 6 7 8 C D F A B E ...
Page 112: ...AVH P5050DVD XN RC 112 1 2 3 4 1 2 3 4 C D F A B E 9 4 EXTERIOR 3 B B C E E F D C G H F D A A ...
Page 114: ...AVH P5050DVD XN RC 114 1 2 3 4 1 2 3 4 C D F A B E 9 5 EXTERIOR 4 C C B A A B I C ...
Page 133: ...AVH P5050DVD XN RC 133 5 6 7 8 5 6 7 8 C D F A B E ...
Page 141: ...AVH P5050DVD XN RC 141 5 6 7 8 5 6 7 8 C D F A B E D b D a D a 1 2 D b1 2 CWW1439 ...
Page 145: ...AVH P5050DVD XN RC 145 5 6 7 8 5 6 7 8 C D F A B E ...
Page 171: ...AVH P5050DVD XN RC 171 5 6 7 8 5 6 7 8 C D F A B E D SIDE A 0 50 60 70 80 90 A CN801 UNIT E ...
Page 172: ...AVH P5050DVD XN RC 172 1 2 3 4 1 2 3 4 C D F A B E D D DVD CORE UNIT 50 60 70 80 90 E ...
Page 175: ...AVH P5050DVD XN RC 175 5 6 7 8 5 6 7 8 C D F A B E ...
Page 181: ...AVH P5050DVD XN RC 181 5 6 7 8 5 6 7 8 C D F A B E ...