Organization Of Inner Drive Area, Outer Drive Area, Lead-In Zone And Lead-Out Zone - LG GSA-4120B Service Manual

6. Organization of the Inner Drive Area, Outer Drive Area, Lead-in Zone and
Lead-out Zone
1) Layout of DVD-ROM disc
Disc Center
Diameter 33 mm
Diameter 22 mm
Diameter 16 mm
Diameter 15 mm
Center
hole
1st transition area
2nd transition area
Lead-in Zone
2) Layout of DVD+R disc
Disc Center
Diameter 33 mm
Diameter 22 mm
Diameter 16 mm
Diameter 15 mm
Center
hole
1st transition area
2nd transition area
Inner Drive
Area
Inner Disc
Test Zone
in
PSN: 23080H 27080H 27480H 28480H 2A480H 30000H 260540H 261940H 262940H
> Inner Disc Test Zone : for performing OPC procedures.
> Inner Disc Count Zone : for counting the number of OPC algorithm performed in IDT Zone.
> Outer Disc Test Zone : for performing OPC procedures.
> Outer Disc Count Zone : for counting the mumger of OPC algorithm performed in IDT Zone.
32
Diameter 44 mm
Clamping
3rd transtion
Zone
Diameter 44 mm
Clamping
3rd transtion
Zone
Unrecorded Disc
Lead-in
Zone
Inner Disc
Count Zone
Diameter 120 mm
area
Read Only Disc
Data Zone
Diameter 120 mm
area
Data Zone
Information Zone
Information Zone
Lead -out
Zone
Outer Disc
Test Zone
263940H
Rim area
Lead-out Zone
Rim area
Outer Drive
Area
Outer Disc
Count Zone
OUT
267940H