LG Electronics GSA-4165B, GSA-4168B, GSA-4167B service manual Pick-up

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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

Image 13

Contents Model GSA-4165B/GSA-4167B/GSA-4168B Super Multi DVD DriveTable of Contents Introduction Support feature and writable disc4165B 4167BGeneral FeaturesSupported disc formats Supported write methodAudio PerformanceOperating System Recording tool SpecificationsApplicable disc formats Writing methodData capacity RPC Regional Playback Control Phase2, No RegionRead/Write & Rotational speed Data transfer rate Access time 1/3 strokePcav CLVQuality and Reliability DimensionsAcoustic noise Location of Customer Controls Drive activity indicatorDisc tray Emergency Eject Hole Stop/Eject buttonIDE Interface Connector Power Connector Jumper ConnectorAnalog Audio Output Connector Cabinet and Circuit Board Disassembly DisassemblyPick-up Exploded View Glossary Recording Layer Disc SpecificationCD-R and CD-RW Disc ~0.5 umCD-ROM disc Disc MaterialsCD-R disc Pigment Reflective Layer ColorItop Laser Spot Position Time CD-RW DiscWriting Process of CD-R Disc Crystal phaseWriting process of CD-RW Disc AmorphousLayout of CD-ROM disc Organization of the PCA, PMA and Lead-in AreaLayout of CD-R/RW disc OPC and Ropc Function of PCA and PMA areaPCA Test Area Lead-In Area Writing Process of DiscPCA C ount Area Lead -out Area Recording Capacity of CD-R/RW 74Minute Recording mediaDifferences of DVD-R/RW, DVD+R/RW discs and DVD-ROM Dual Layer Single LayerDVD-ROM DVD-RW DVD+R DVD+RW Disc structure Recording format using organic dye material DVD-R/DVD+RDVD-R DVD+R Laser beamDVD-RW DVD+RW Recording principlesCrystalline status Amorphous status High reflection coefficient Low reflection coefficient2Tw Writing Pulse Wave Form of DVD+RShall be 0.1mW 2st Method Using Blocked Write StrategyTtop Writing Pulse Wave Form of DVD+RWDTera Layout of DVD+R disc Layout of DVD-ROM discOUT PSN Layout of DVD+RW disc LightScribe Media LightScribe MediaCIrcuit PowerProcessor EncoderOptical Encoder Unit MD Assy For LightScribeCodewheel Optical Encoder AssyGND OFGCD Data Processing DVDData Processing Flow Copy Protection and Regional Code Management Block Block Diagram R8J32007KEY Management Control Brief Process Regional Code for DVD DiscCase of a disc enhanced movie of 3 titles About Prevention the DVD-ROM from to be copyIf you want to play the disc prevented from the copy Regional code About the DVD-ROM Regional CodeInternal Structure of the PICK-UP Block Diagram of the PICK-UPHOP-7632TSPick up Pin Assignment Signal Name Signal DescriptionFocus Error Signal == A+C-B+D Signal detection of the P/URF Signal == A+B+C+D +D B+C kF+H E+GPick-up Block DiagramAlpc Automatic Laser Power Control Circuit Focus Servo Focus CircuitTracking & Sled Circuit Block Diagram Tracking FollowingUnit Block Diagram SeekHOP-7632TS Sled Servo Tracking ServoFG CAV Servo Spindle CircuitOptical Pick-up Disc HOP-7632TS Motor unit Block Diagram Wobble CLV Servo Pin Assignment IC101 R2S35002 RF AMP Analog Signal ProcessorPick Pin Name Pin No Type Pin FunctionsFunction Wobsig BlankIP2/MIRR IP1/LPPOUTPin Name Pin No Type Max. voltage Function Pin Layout IC301 R8J32007FPV Encoder, Decoder & DSP Singal ProcessorVinp ADC Pin no Pin Name Pin TableWpll Pin List Pin Name Pin No Destination Function Data PLL/PRML Pin List Pin Name Pin No Destination FunctionServo Pin List Pin Name Pin No Destination Function DA2 Atapi Hrstb AtapiDA1 DA0 5IO AtapiIP2MIRR IP1LPPINWobsig LowzbPin Name Pin No Destination Function H8S Micro-Processor Pin ListFlash/SRAM Pin List Pin Name Pin No Destination Function SEL30 Power Supply/GND Pin List Pin Name Pin No Function Pin Function Package outline 42 PIN Power Ssop 42P9R-KPin name Function Loading Spgs ACTFLG,FG Actrst Common Input/Output circuit diagramLaser Power Adjust using RD Power/WR Power/Erase Power Troubleshooting GuideHigh Frequency/NRZI skew Adjust Circuit Offset AdjustTracking Amp. Adjust Focus Amp. and Total Amp. AdjustServo Loop Gain Adjust Focus Offset Adjust for DVD-ROM, CD-R/RW Unwritten Slice Level Adjust for DVD-RAMFocus Offset Adjust for DVD-RAM PID Amp Focus Offset Adjust for DVD-RAM Data Error pulseTilt Adjust for DVD-R/RW, DVD+R/RW, CD-R/RW Tilt Adjust for DVD-RAMFocus Deviation Adjust Focus Offset Adjust for DVD-R/RW, DVD+R/RW, CD-R/RWSpindle Offset Adjust Lens Sensitivity AdjustAdip BPF/Read Timing Adjust for DVD+R/RW Focus Offset Adjust for DVD-R/RW, DVD+R/RWDIDFocus Servo/Tracking Servo Fail RTZ TimeOut FailSlider Spindle SSB Byte8,9 Detail Error Code & Fail Analysis Laser Power Initial AdjustSSB Byte21,22 Adjusting Error during Disc Load Sequence Lead in ErrorDVD-R/RW, +R/RW DVD-ROM,CD-R/RWSSB Byte21,22 SSB Byte21,22 Loading Sequence Error Lead in Error 8586 XRD PCB Poor Analysis Check listDSP Page CS0B Does the power supply circuit operate normally?WCK RCK Is the clock of MPU in DSP oscillated correctly?Motor, Abnormalities in Actuator System Control mode setup by the control terminalIC601R2S30202FP 7ch driver Motor & actuator and its correspondence pinMBM29LV160BE Block DiagramFujitsu DVD/CD DSP

GSA-4167B, GSA-4165B, GSA-4168B specifications

LG Electronics has been a prominent name in the electronics industry, particularly known for its innovative optical storage solutions. Among its noteworthy products are the GSA-4167B, GSA-4165B, and GSA-4168B DVD writers, each showcasing a blend of advanced technology and user-friendly features tailored to meet diverse consumer needs.

The LG GSA-4167B stands out for its versatility and performance. This model supports a wide range of disc formats, including DVD-R, DVD+R, DVD-RW, DVD+RW, and dual-layer DVDs, enhancing its usability for various applications. With a generous writing speed of up to 16x for DVD+R and 8x for dual-layer DVDs, users can create and backup data efficiently. This device is equipped with LG’s Super Multi technology which allows it to read and write multiple formats, making it a perfect choice for users who wish to maximize their media experience without being restricted to a single format.

The GSA-4165B, though slightly older, remains popular due to its reliable performance and ease of use. This model also supports a wide array of formats and achieves impressive speeds comparable to its counterparts. With features such as Buffer Under Run Technology, the GSA-4165B minimizes interruptions during the burning process, reducing the risk of damaging data. Additionally, its sleek design makes it appealing for desktop setups, offering both aesthetics and practicality.

On the other hand, the LG GSA-4168B is known for its advanced capabilities, particularly in terms of burning dual-layer DVDs. Supporting speeds up to 16x for standard DVDs and 4x for dual-layer formats, it combines speed with efficiency. This model incorporates LightScribe technology, enabling users to etch labels directly onto specially coated discs, adding a personal touch to data storage. Its efficient cooling system helps maintain performance during extensive usage, ensuring longevity and reliability.

All three models represent LG's commitment to quality and innovation in optical storage technology. With features such as Power Burn technology and Seamless Link, they provide users peace of mind during high-speed data transfers. Their compatibility with different operating systems further enhances their versatility, making them suitable for both home users and professionals. Overall, the GSA-4167B, GSA-4165B, and GSA-4168B are exemplary models that reflect LG Electronics' dedication to advancing technology and enhancing user experience in the realm of optical drives.