Read Sharp DV-560H (serv.man6) Service Manual online
3
DVD-Series
1. The Birth of DVD
1-1 Main Specifications of the DVD Video Player
Disc Diameter
120mm
Disc Thickness
1.2mm 0.6mm x 2
Semiconductor Laser Wavelength
650nm
Lens (NA)
0.6
Pit Length
0.4~1.87
µ
m
/
0.44~2.05
µ
m
(Single Layer)
(Double Layer)
Track Pitch
0.74
µ
m
Sector Allocation
CLV
Modulation System
8/16 Modulation
Correction System
RS-PC (Reed Solomon Product Code)
1
4.7GB (1 Layer on 1 Side)
Memory Capacity
2
8.5GB (2 Layers on 1 Side)
3
9.4GB (1 Layer on Both Sides)
4
17GB (2 Layers on Both Sides)
1-2 Type of Discs
There are 4 types of discs.
(1) 1 layer on 1 side disc
(2) 1 layer both sides disc
(3) 2 layers on 1 side disc
(4) 2 layers on both sides disc
0.6mm
0.6mm
0.6mm
0.6mm
,,,,,,,
Side A
Side B
0.6mm
0.6mm
0.6mm
0.6mm
First layer
First layer
Second layer
Second layer
First layer
Second layer
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