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Super Multi DVD Drive
S E RVICE MANUAL
MODEL: GSA-4165B/
G S A - 4 1 6 7 B /
G S A - 4 1 6 8 B
P/NO : 3828HS1047G
August 2005
Printed in Korea
MODEL : GSA-4165B/GSA-4167B/GSA-4168B
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TABLE OF CONTENTS INTRODUCTION .......................................................................................................................................................................3 FEATURES............................................................................................................................................................................3~5 SPECIFICATIONS......................................................................................................
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INTRODUCTION This service manual provides a variety of service It can write as much as 4.7Gbytes of digital data into information. DVD-R/RW/RAM/+R/+RW disc, and can read as It contains the mechanical structure of the Super much as 4.7Gbytes of digital data stored in a Multi DVD Drive and the electronic circuits in DVD-ROM/R/RW/RAM/+R/+RW disc. schematic form. This Super Multi DVD Drive was It can write as much as 8.5Gbytes of digital data into manufactured and assembled under our strict quality
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FEATURES 1 General 1) Enhanced IDE (ATAPI) interface. 2) Internal Half-height Drive. 3) CD-R/RW, DVD-R/-R DL(Dual Layer)/-RW/RAM/+R/+R DL(Double Layer)/+RW read and write compatible CD Family and DVD-ROM read compatible. 4) Buffer Under-run prevention function embedded. 5) 2MB buffer memory. 6) Power loading and power eject of a disc. Bare media loading. 7) MTBF : 100,000 POH 8) Vertical and Horizontal installable. 2. Supported disc formats 1) Reads data in each DVD-ROM, DVD-R(Ver. 2.0 for Autho
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4. Performance 1) Average access time: DVD-ROM 145 ms (1/3 stroke) CD-ROM 125 ms 2) Write speed: DVD-R 2x, 4x CLV, 8x ZCLV, 16x PCAV DVD-R DL 2x, 4x CLV DVD-RW 1x, 2x, 4x, 6x CLV DVD-RAM 2x, 3x ZCLV (Ver.2.2), 3x-5x PCAV(Ver.2.2) DVD+R 2.4x, 4x CLV, 8x ZCLV, 12x, 16x PCAV DVD+R DL 2.4x, 4x, 6x CLV DVD+RW 2.4x, 4x CLV, 8x ZCLV CD-R 4x, 8x, 16x CLV, 24x, 32x, 40x, 48x ZCLV CD-RW 4x, 10x, 16x CLV, 24x, 32x ZCLV (High Speed: 10x, Ultra Speed: 16x, 24x, 32x) 3) Read speed: DVD-R/RW/ROM/ROM-D
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SPECIFICATIONS 1. SYSTEM REQUIREMENTS -CPU: IBM Compatible Pentium 4 2.4GHz (or faster) (For High speed, 2.4GHz or faster recommended.) -128MB Memory or greater 2. SUPPORTING OPERATING SYSTEM * Operating System * Recording tool Windows Millennium Edition (Me) (1) Nero(Ahead) Window 2000 Professional (2) In CD(Ahead) Window XP Home Edition, Professional (3) Power Producer Gold (Cyber Link) 2.1 Applicable disc formats DVD ............................DVD-ROM: 4.7GB (Single Layer) 8.5GB (Dua
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2.4 Data capacity • User Data/Block DVD-ROM/R/RW/RAM/+R/+RW ......2,048 bytes/block CD (Yellow Book) ..........................................2,048 bytes/block(Mode 1 & Mode 2 Form 1) 2,336 bytes/block (Mode 2) 2,328 bytes/block (Mode 2 Form 2) 2,352 bytes/block (CD-DA) 2.5 RPC (Regional Playback Control) Phase2, No Region 3. DRIVE PERFORMANCE 3.1 Host interface ..................................................................X3T13 ATA/ATAPI5/1321D INF-8090i Rev.5.3 3.2 Read/Write & Rotation
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3.3 Data transfer rate 3.3.1 Sustained transfer rate DVD-R.........................2.77, 5.54, 5.44-11.08 Mbytes/s..................................2x, 4xCLV, 8x ZCLV 9.14-22.16 Mbytes/s....................................................................16x PCAV DVD-R DL ...................2.77, 5.54 Mbytes/s....................................................................2x, 4x CLV DVD-RW ...............1.385, 2.77, 5.54, 8.31 Mbytes/s ...................................1x, 2x,
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4. Quality and Reliability 4.1 MTBF..................................................100,000 Power On Hours(Consecutive/Cumulative POH) Assumption : ..........................Used in a normall office environment at room temperature. -POH per year.........................3,000 -ON/OFF cycles per year........600 -Operating duty cycle..............20% of power on time (Seek: 5% of operating time) 4.2 Tray cycle test...................................30,000 times No degeneration in the mechanical pa
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LOCATION OF CUSTOMER CONTROLS Front Panel Emergency Eject Hole Disc Tray Stop/Eject Button Drive Activity Indicators 1. Disc tray 3. Emergency Eject Hole This is the tray for the disc. Place the disc on the Insert a paper clip here to eject the Disc tray ejected disc tray, then lightly push the tray (or manually or when there is no power. push the eject button) and the CD will be loaded. 4. Drive activity indicator NOTE: Don’t pull out or push in the disc tray Two colored LED is used to indicate
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Rear Panel IDE Interface Connector Analog Audio Output Connector Jumper Connector Power Connector Digital Audio Output Connector NOTE: The actual drive may be different from this design. 1. Power Connector 3. Jumper Connector Connects to the power supply (5-and 12-V DC) of This jumper determines whether the drive is the host computer. configured as a master or slave. Changing the master-slave configuration takes effect after NOTE : Be careful to connect with the proper power-on reset. polarity.
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DISASSEMBLY 1-3. Cabinet and Main Circuit Board 1. CABINET and CIRCUIT BOARD A. Remove the Cabinet in the direction of arrow (4). DISASSEMBLY (See Fig. 1-3) 1-1. Bottom Chassis B. When the CD tray has been opened completely, lift 2 points (a) and remove the CD tray while drawing A. Release 4 screws (A) and remove the Bottom Chassis out simultaneously. in the direction of arrow (1). (See Fig.1-1) C. Remove the Soldering of the LD- and LD+ (b) for the Loading Motor, and then remove the Main Circui
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2-2. Pick-up A. Release 1 screw (C) and remove the Pick-up. Pick-up Unit (C) Pick-up Fig. 2-2 13
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004 035 005 012 5 008 EXPLODED VIEW 006 009 015 010 011 PBM00 (MAIN C.B.A) 4 016 PBF00 (FRONT C.B.A) A03 A01 013 453 3 034 033 031 001 027 026 024 007 025 445 430 2 A02 020 452 028 028 430 020 481 482 003 030 021 002 482 032 482 452 050 1 453 014 482 452 036 021 (LightScribe only) A B C D E F GH 14 15
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GLOSSARY ATIP Absolute Time in Pre-groove. With an additional modulation of the “Wobble”, the “Groove” contains a time code information. Wobble The pre-groove in the Disc is not a perfect spiral but is wobbled. With : – A typical amplitude of 30 nm – A spatial peried of 54~64 µm CW Continuous Wave. The laser light output is at a constant level. DOW Direct Over-Write. The action in which new information is recored over previously recorded information in CD-RW disc. Overwrite The action in which n
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The differences of CD-R/CD-RW discs and General CD-ROM 1. Recording Layer Recordable CD has a wobbled pre-groove on the surface of disc for laser beam to follow track. Track pitch(p) a=30nm Read-only Disc CD-ROM (READ-ONLY DISC) A Iw O Radial Direction a Radial Error Signal 0.4~0.5 um Groove Land CD-R and CD-RW Disc a Average center (Pit)Groove Land Actual center The Groove wobble 2. Disc Specification ITEM CD-ROM CD-R CD-RW Standard Yellow Book Orange Book II Orange Book III Record Not availabl
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3. Disc Materials 1) CD-ROM disc • It is composed of Silver _ colored aluminum plate and Reflective layer. • Groove (Pit) of aluminum plate make a track. • Laser wavelength : 780 nm, Laser Power (Read): 0.5mW • Signal is detected by the difference of reflective beam intensity between “pit” and “Land” on the disc. Label Printing Protective Layer Reflective Layer Substrate (Polycarbonate) Pit Laser Beam 2) CD-R disc • It is so-called WORM (Write Once Read Many) CD. • It is composed of polycarbo
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3) CD-RW Disc Label Printing Protective Layer Dielectric Layer(TL) Recording Layer Dielectric Layer(UL) Substrate (Polycarbonate) Groove Laser Beam • It is composed of polycarbonate layer, alloy(silver, arsenic) layer, aluminum reflectivity layer, protective layer. • An crystalized alloy layer is transformed into noncrystalized by the laser heat. Therefore, writing and reading is enabled by the difference of reflectivity. • It is possible to overwrite about 1000 times. • Laser Wavelength : 780
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5. Writing Process of CD-R Disc Incident (Write) Laser Power (Read) (Read) Laser Spot a b c d e f g Position (Time) a b Laser Below "ORP"– Mark Too Short Spot Reflected At Optimum Record Power ("ORP") c Light Signal Above "ORP" – Mark Too Long d e f Recorded g Mark Time Reflected Light Signal Laser Spot a b c d e f g Position (Time) 6. Writing process of CD-RW Disc Write Power Amorphous Crystal phase Melting/ quenching Erase Power Heating/ Read Power gradual cooling Erased st
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7. Organization of the PCA, PMA and Lead-in Area 1) Layout of CD-ROM disc Disc Center Diameter 120 mm Diameter 46 mm Diameter 15 mm Center hole Clamping and Label Area Information Area Read Only Disc Lead-in Area Program Area Lead-out Area 2) Layout of CD-R/RW disc Disc Center Diameter 120 mm Diameter 45 mm Diameter 15 mm Center hole Information Area Clamping and Label Area Unrecorded Disc PCA PMA Lead-in Area Program Area Lead-out Area Test Area : for performing OPC procedures. Count Area : to
