Lg GSA-4167B Manual do Utilizador

Super Multi DVD DriveS E RVICE MANUALMODEL: GSA-4165B/G S A - 4 1 6 7 B /G S A - 4 1 6 8 BP/NO : 3828HS1047GAugust 2005Printed in KoreaMODEL : GSA-416

LOCATION OF CUSTOMER CONTROLS101. Disc trayThis is the tray for the disc. Place the disc on theejected disc tray, then lightly push the tray (orpush t

111. Power ConnectorConnects to the power supply (5-and 12-V DC) ofthe host computer.NOTE : Be careful to connect with the properpolarity. Connecting

1. CABINET and CIRCUIT BOARDDISASSEMBLY1-1. Bottom ChassisA. Release 4 screws (A) and remove the Bottom Chassisin the direction of arrow (1). (See Fi

2-2. Pick-upA. Release 1 screw (C) and remove the Pick-up.Pick-up UnitPick-up(C)Fig. 2-213

030014007A02A01A03021028028452032452020021050430005035004006A B C D E F GH12345452024481034027026033025430445020453031036453010011009008012016015013PB

ATIP Absolute Time in Pre-groove. With an additional modulation of the “Wobble”, the “Groove” contains a timecode information.Wobble The pre-groove in

20The differences of CD-R/CD-RW discs and General CD-ROM1. Recording LayerRecordable CD has a wobbled pre-groove on the surface of disc for laser beam

213. Disc Materials1) CD-ROM discLaser BeamGrooveSubstrate(Polycarbonate)Organic Dye LayerReflective LayerProtective LayerLabel Printing2) CD-R discPi

223) CD-RW Disc4.Reading process of Optical DiscLaser BeamGrooveSubstrate(Polycarbonate)Recording LayerDielectric Layer(TL)Dielectric Layer(UL)Protect

235. Writing Process of CD-R Disca b c d e f gabcdefgIncidentLaserPower(Read)(Read)(Write)Laser SpotPosition(Time)a b c d e f gLas

TABLE OF CONTENTSINTRODUCTION ...

247. Organization of the PCA, PMA and Lead-in Area1) Layout of CD-ROM discCenter hole Clamping and Label Area Information AreaLead-in AreaLead-in Area

258. Function of PCA and PMA area1) PCA (Power Calibration Area)• PCA area is used to determine the correct Laser Power for a disc.– Method 1 : PCA ar

262) ROPC (Running Optimum Power Control)• Variable primary factor of Optimum Power– Change of Power sensitivity on the Disc. (limited to 0.05 *Po)– W

27The differences of DVD-R/RW, DVD+R/RW discs and DVD-ROM1. Recording LayerLPP(Land Pre-Pit)DVD+R/RW DiscDVD-R/RW Disc0.74 um3T0.4 umDVD-ROM (Read Onl

282. Disc Specification3. Disc Materials1) DVD-ROMDVD-ROMMedia TypeUser data capacitySingle-LayerRead Only4.7GBDual-LayerRead Only8.54GBDVD-R DVD-RW D

292) Recording format using organic dye material (DVD-R/DVD+R)* The format that records data through the creation of recorded marks by changing the or

303) Recording format using phase-change recording material (DVD-RW/DVD+RW)* Data is recorded by changing the recording layer from the amorphous statu

314. Writing Pulse Wave Form of DVD+RFor different speed ranges, different write strategies can be used. This document specifies 2 options: - a pulsed

322) 2stMethod : Using Blocked Write StrategyNRZIChannel bits2TwTwdTtopTtopdTlePpPbTmplpTdPp0mWPcPb1.25Tw3T mark4T mark5T markEtc.dTtop,3dPp3Ttop,3dTl

335. Writing Pulse Wave Form of DVD+RWNRZIChannel bits2TwTwTtopdTtopPpPeTmpmpTdTeraPp : Actual write powerPe : Erase PowerPb : Bias PowerPb0mWTmp

3This service manual provides a variety of serviceinformation.It contains the mechanical structure of the SuperMulti DVD Drive and the electronic circ

6. Organization of the Inner Drive Area, Outer Drive Area, Lead-in Zone andLead-out Zone1) Layout of DVD-ROM disc34Center hole1st transition area2nd t

3) Layout of DVD+RW disc35> Inner Disc Test Zone : for performing OPC procedures.> Inner Disc Count Zone : for counting the number of OPC algori

36LightScribe Media1. LightScribe MediaCenter HoleScreen Printed Imaging LayerClear Protective CoatingReflective/Thermal LayerDye Data LayerPolycarbo

372. Hardware Block Diagram of LightScribe Label PrintingHost PC(Spindle)uP(DSP)PowerDriveAnalogSignalProcessorMECHANISMOpticalPick-upOpticalEncoder(S

383. MD Assy For LightScribeOptical Encoder UnitOPU ID Movement Range : L=21um

394. Optical Encoder AssyCodewheelDirection of radial playCODEWHEELORCODESTRIPFFC3PINSIGNALPROCESSINGCIRCUITRYRVLEDVCCCH ACH BCH BGNDGNDVccOFGEncoder

40DVD & CD DATA PROCESSING1. Data Processing FlowCommand Data StatusRF EQ & AGCSERVODSPEncoder & Decoder & CSSRF data slice EFM demodu

41R8J32007HOST DVDPLAYER(EMPEG2 B/D)Scrambled MPEG DataChange the "KEY"KEY Management Control2. Copy Protection and Regional Code Management

423. About Prevention the DVD-ROM from to be copyA data is able to encode and record in the disc, if a copyright holder wants to prevent the disc from

434. About the DVD-ROM Regional CodeDISC ROM - DRIVE MPEG-2 BOARD VGA CARDMONITOR1CANU.S.AMIXCUBBHSPRI. VIR1BMGGRL22ZAFISOSWZFINPOIFSTLTUBIRUKRT

4FEATURES1 General1) 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)/+

INTERNAL STRUCTURE OF THE PICK-UP1. Block Diagram of the PICK-UP(HOP-7632TS)444516 15 14 13 12 11 1026 27 28 29 30 31 3291787654321Tilt-C3R1R4CD-LDDVD

452. Pick up Pin AssignmentNo. Signal Name I/O Signal Description1 GND(OEIC,TEMP) Ground for OEIC2 Vcc(OEIC) I Power supply for OEIC3 Vc(OEIC) I Refer

3. Signal detection of the P/U1) Focus Error Signal ==> (A+C)-(B+D)This signal is generated in RF IC (IC101 : R2S35002) and controls the pick-up’s

47WGATERFPDSHOpticalPick-upLDDriverWriteStrategyFsDACWDACIAPCR160LPF&GainWFPDSHFMONRWAPCbuffer2.5VREFBufferS/HB/H+-13S/H MUXAMPAPCDAC(REDA/WRDA)SC

481-2. ALPC (Automatic Laser Power Control) CircuitALPC function DVD/CD anlaog front-end IC(IC101 R2S35002) is for constant power control purpose. Bas

492. Focus Circuit2-1. Block DiagramDiscMotor unitOpticalPick-upHOP-7632TSA,B,C,DA,B,C,D(EF1~EF4)(A+C)-(B+D)(A+C)-(B+D)+K[(EF1+EF3)-(EF2+EF4)]HAVC L

503. Tracking & Sled Circuit3-1-1. Block Diagram (Tracking Following)DiscMotor unitOpticalPick-upHOP-7632TSA,B,C,D(EF1~EF4)TETER101C101GNDTEADC

3-1-2. Block Diagram (Seek)51DiscMotor unitOpticalPick-upHOP-7632TSSUMFRFIPRFIN(EF1~EF4)A,B,C,DTACT+TACT-IC101R2S35002MPPO(A+D)-(B+C)GHAVCLS to V141LP

523-2-1. Tracking ServoThe aim of tracking servo is to make laser beam trace the data track on disc.Tracking Error(TE) Signal is generated from tracki

4. Spindle Circuit4-1-1. Block Diagram(FGCAV Servo)53DiscMotor unitOpticalPick-upHOP-7632TSXCOControl ClockGeneratorIC301R8J32007107MUXPWMSPD211Motor

4. Performance1) Average access time: DVD-ROM 145 ms(1/3 stroke) CD-ROM 125 ms2) Write speed: DVD-R 2x, 4x CLV, 8x ZCLV, 16x PCAVDVD-R DL 2x, 4x CLVDV

4-2-1. Block Diagram (Wobble CLV Servo)54DiscMotor unitOpticalPick-upHOP-7632TSIC101R2S35002HPFS/H-+C174C173C171C172WBLSHC1168788899092939495HPF AGC2H

MAJOR IC INTERNAL BLOCK DIAGRAM AND PIN DESCRIPTIONIC101 (R2S35002) : RF AMP Analog Signal ProcessorPin Assignment5575PORT1374PORT12PORT11PORT1073AGHP

Block Diagram56RFIPRFINPickI/F0.068u0.068uIDGATETISH1AGFUAGFREQ-AUTORFLPPWobbleF0-CNTAGC3BPFSUBAGC1DPDTEBALANCEFEFERECDSAVMIRRDEFECTTIER-OPCOPCAPCSeri

57• Pin Functionspin Name pin No. Type max. voltage FunctionTE 1 Analog-Output Tracking error output terminalFE 2 Analog-Output Focus error output ter

58pin Name pin No. Type max. voltage FunctionBLANK 36 Digital-Output Record/non-record detecting/BD detecting outputterminalWOBSIG 37 Digital-Output W

59pin Name pin No. Type max. voltage FunctionSUBO/LPPMON 71 Analog-Output ID detecting HPF output terminal/LPP detecting HPFoutput terminalEQFCF 72 Ex

60IC301 (R8J32007FPV) : Encoder, Decoder & DSP Singal Processor1.1 Pin Layout CPU15A17EFGSFGTLDSPDLDDLE DGPIO04ICUIN8ICUIN6ICUIN7TESTB1TESTB2MRSTB

1.2 Block Diagram61Data WPLL ADIP DetectorDetectorCounterPRMLPLLGeneratorDemodulate Servo CD-ROMDecoderDVDPI-ECU DVDPO-ECU DRAMMCIF ATAPIAUDIODRAMInte

621.3 Pin TablePin no Pin Name1 VSSR2 VCCR3 CPU144 CPU135 CPU126 VSSIO7 VCCIO8 VCCRQ9 CPU1110 CPU1011 VSSRQ12 CPU913 CPU814 CPRDB15 USC0B16 A117 CPU0

631.4 Pin FunctionsIt corresponds to the following signs as a pin I/O specification. AI : Analog InputAO : Analog OutputAIO : Analog Input/OutputI

6SPECIFICATIONS1. SYSTEM REQUIREMENTS-CPU: IBM Compatible Pentium 4 2.4GHz (or faster)(For High speed, 2.4GHz or faster recommended.)-128MB Memory or

64Servo Pin List Pin Name Pin No. I/O destination FunctionBLANK 156 I AFE Blank signal input(also connected to the H8S interrupt port INT5)DEFECT 157

65ATAPI Interface Pin List Pin Name Pin No. I/O destination FunctionHRSTB 59 5I ATAPI ATAPI-IF control signal (host reset signal)DA2 92 5I ATAPI ATAP

66Encoder Interface Pin List Serial Communication Interface Pin List Pin Name Pin No. I/O destination FunctionIP1LPPIN 150 I AFE PID area identifica

67Audio Interface Pin List Pin Name Pin No. I/O destination FunctionDOUT 109 IO ATAPI Digital output pin,also functions as the CPU general port 1-2RO

68LSI/TEST Control Pin List Pin Name Pin No. I/O destination FunctionMRSTB 202 I RESET IC Master reset inputTESTB2 203 I Test selectTESTB1 204TMS 114

69Power Supply/GND Pin List Pin Name Pin No. I/O FunctionVDD 28,41,72, PW DSP core power supply (1.5V)130,146VCCR 2,53 PW SDRAM power supply (3.3V)VC

70No Pin name Function1 SPIN Spindle control voltage input2 SL1IN Slide control voltage input13 SL2IN Slide control voltage input24 SPLIM Input termin

Block Diagram71STMMSWICHINGCommutationPWMCIRCUIT SPMV/V converter +-CTLSLIDE2V/V converter+-CTL+-CTLSL1+SL1-SL1INSL2+SL2-SL2INREFSPINFGUVWFOINFO+FO-TR

72Input/Output circuit diagramSPIN, SL1IN, SL2INLOINFOIN, TOIN,TLINTESTREF EN1, EN2SPGS ACTFLG,FG ACTRSTVM1, U, V, W VM2, SL1+, SL1-, SL2+, SL2-5VCC,

TROUBLESHOOTING GUIDE73MPU & DSPIC301MPU & DSPIC301MPU & DSPIC301AFEIC101AFEIC101PickupLDDriverFrontMonitorIC102AFEIC101#6Pin#79Pin#110Pin

72.4 Data capacity• User Data/Block DVD-ROM/R/RW/RAM/+R/+RW ...2,048 bytes/block CD (Yellow Book) ...2,048

74MPU & DSPIC301AFEIC101DriverIC601PickupAll DiscPin#87-90FFCSettingFE:R102,C405Focus:#34-35R329,C335#40All DiscMPU & DSPIC301AFEIC101DriverIC

75DVD-RAM DiscMPU & DSPIC301AFEIC101DriverIC601PickupPin#80-81#171#100FFCSettingSIGM:R148, C151Slider FPCSlider:#6, 8-10DVD-RAM DiscMPU & DSPI

76Slider FPCSlider:#6,8-10MPU & DSPIC301AFEIC101DriverIC601PickupDVD-R/RW DiscPin#87-90, 80-81Pin#87-90,80-81FFCSettingTE:R101, C101TRD:R330,C336T

77MPU & DSPIC301MPU & DSPIC301DriverIC601PickupFFCFFC(Temp.Information)putemp#178SpindleSPD:R349, C349#211 #1Pin#12-14#19#213FGPin#87-90,80-81

78AFEIC101DriverIC601Slider/SpindleSpindle FFCSlider FPCSlider:#6,8-10Pin#87-90MPU & DSPIC301AFEIC101DriverIC601PickupAll DiscFFCSettingFE:R102,C4

79No. Error Code Contents of fail Fail Analysis Block DiagramSSB Byte8,91 28xx LP Adjust NG. 1) Check Pickup FFC Connection. No.012) Check solder of

80No. Error Code Contents of fail Fail Analysis Block DiagramSSB Byte21,221 42xx Circuit Offset Adjust NG. 1) Check Pickup FFC Connection. No.042) Che

81No. Error Code Contents of fail Fail Analysis Block DiagramSSB Byte21,227 4Axx Focus Offset Adjust NG. 4A08: Disc Unmatch(Exchange Disc). No.10(DVD-

82No. Error Code Contents of fail Fail Analysis Block DiagramSSB Byte21,2216 54xx DPP Amp Adjust NG. 1) Check Pickup FFC Connection. No.07(CD Disc Onl

83No. Error Code Contents of fail Fail Analysis Block DiagramSSB Byte21,2222 5Axx ADIP read timing Adjust NG. 5A01: Check DVD+R Disc (Exchange Disc) .

3.3 Data transfer rate3.3.1 Sustained transfer rate<Write> DVD-R...2.77, 5.54, 5.44-11.08 Mbytes/s...

84No. Error Code Contents of fail Fail Analysis Block DiagramSSB Byte21,221 2503,2504 RTZ Timeout(Sled Timeout). 1) Check Slider FPC Connection. No.21

IC7011.5VREGIC7012.8VREG12VDRV IC601 R2S30202FPVM1 #22 Motor power supply 1(Spindle)VM2 #05 Motor power supply 2(Slide)IC301 DSP (R8J32007)#028 VCC Co

87No Circuit/IC Signal Signal/Level mesurement-point (IC-pin or Device)1 Power supply Line-12V 12V CN801-412 Line-5V 5V CN801-443 (IC701) reg-1.5V 1.5

881. Self-Diagnostic Function by LED Blink.• Basic operation: At JR6, MPU is included in DSP, MPU accesses each peripheral (inside, exterior) device,a

892. LED does not blink at all at the time of a power supply injection. Eject-SW does not react.(1) Is it normal to the exterior Bus (Data-Bus, Addre

903. Motor, Abnormalities in Actuator SystemThe drive circuit of a motor & actuator consists of the three ICs IC601(R2S30202FP). The work of each

9112VGND5VDeviceconfigurationjumperMASTERSLAVECSELHost IDEAnalogaudioLED3.3V2.8V1.5VFlash-ROM(2MByte)MBM29LV160BEor Equivalent(FUJITSU)DiscLoadingmoto

94. Quality and Reliability4.1 MTBF.............100,000 Power On Hours(Consecutive/Cumulative POH)Assumption : ..