LG Electronics GSA-4167B, GSA-4168B, GSA-4165B service manual Block Diagram Seek, Unit, HOP-7632TS

Page 47

3-1-2. Block Diagram (Seek)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC101

 

 

 

 

 

 

 

 

 

MPPO

 

R2S35002

 

 

 

 

 

 

 

 

(A+D)-(B+C)

 

 

 

 

 

 

 

 

(EF1~EF4)

 

SPPO

-

L

 

L

HAVC

 

 

 

 

 

LS

1

 

 

 

 

 

 

 

P

G

P

TE1

 

A,B,C,D

 

[(EF1+EF4)-(EF2+EF3)] +

to

 

 

F

 

F

 

 

Disc

 

 

V14

 

 

Optical

 

 

 

 

 

 

 

VREF1

 

 

Motor unit

Pick-up

 

 

 

 

 

 

 

 

 

 

 

A+B+C+D

 

 

 

 

 

 

 

 

HOP-7632TS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L

 

 

 

 

 

 

 

 

 

 

 

P

 

 

 

 

 

 

 

 

 

 

 

F

 

 

 

 

TACT- TACT+

 

 

 

HAVC

 

 

VREF1

 

 

 

 

 

L

 

 

 

 

 

 

 

 

 

 

LS

 

 

 

 

 

 

 

 

 

P

G

 

 

 

MIRR

 

 

 

 

 

to

 

 

 

38

MIRR

 

 

 

F

 

 

 

 

 

A+

 

 

V14

 

 

 

DET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A-

 

 

 

 

 

 

 

 

 

 

 

B+

79

 

 

 

 

 

 

 

 

 

 

SUMF

 

EQ

 

 

 

 

 

 

 

 

B-

80

 

 

 

TOP

BOTTOM

 

 

 

RFIP

AGC

 

 

 

 

 

HOLD

HOLD

 

 

SLED MOTOR

 

 

 

 

81

 

 

 

 

 

 

 

 

 

Unit

RFIN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

63

62

 

 

 

 

 

 

 

 

MIRRTOPH

 

 

MIRRBOTH

 

 

 

 

 

 

 

 

C128

 

 

C127

 

 

 

GND

 

 

 

 

GND

 

 

GND

 

 

C101

 

 

 

 

 

 

 

 

 

 

 

 

TE

 

 

 

 

 

 

 

 

 

 

 

173

 

 

 

 

IC301

 

 

 

 

 

R101

 

 

 

 

 

R8J32007

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TE1

 

 

 

 

 

 

Track Counter

 

 

 

 

 

 

 

 

 

IP2MIRR

and Timer

MIRR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

149

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Short

 

 

 

 

 

 

 

D

 

TRD

 

 

 

 

 

 

 

 

 

 

 

Tracking

 

 

M

 

 

A

 

 

 

Seek

 

 

 

 

 

A

 

 

181

 

 

 

 

 

 

 

 

 

Compensator

 

 

 

 

 

U

 

 

 

D

 

 

Algorithm

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X

 

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

SL2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Loog

 

 

 

Sled

 

 

D

183

 

 

 

 

 

 

 

 

 

Seek

 

 

 

 

 

A

 

 

 

 

 

 

 

 

 

 

 

 

Compensator

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Algorithm

 

 

 

 

 

C

182

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SL1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

51

Page 46 Page 48
Image 47
Page 46 Page 48
Contents Model GSA-4165B/GSA-4167B/GSA-4168B Super Multi DVD DriveTable of Contents 4167B Support feature and writable discIntroduction 4165BSupported write method FeaturesGeneral Supported disc formatsAudio PerformanceWriting method SpecificationsOperating System Recording tool Applicable disc formatsRead/Write & Rotational speed RPC Regional Playback Control Phase2, No RegionData capacity CLV Access time 1/3 strokeData transfer rate PcavAcoustic noise DimensionsQuality and Reliability Stop/Eject button Drive activity indicatorLocation of Customer Controls Disc tray Emergency Eject HoleAnalog Audio Output Connector Power Connector Jumper ConnectorIDE Interface Connector Cabinet and Circuit Board Disassembly DisassemblyPick-up Exploded View Glossary ~0.5 um Disc SpecificationRecording Layer CD-R and CD-RW DiscPigment Reflective Layer Color Disc MaterialsCD-ROM disc CD-R discItop Laser Spot Position Time CD-RW DiscAmorphous Crystal phaseWriting Process of CD-R Disc Writing process of CD-RW DiscLayout of CD-R/RW disc Organization of the PCA, PMA and Lead-in AreaLayout of CD-ROM disc OPC and Ropc Function of PCA and PMA areaRecording Capacity of CD-R/RW 74Minute Recording media Writing Process of DiscPCA Test Area Lead-In Area PCA C ount Area Lead -out AreaDifferences of DVD-R/RW, DVD+R/RW discs and DVD-ROM DVD-ROM DVD-RW DVD+R DVD+RW Single LayerDual Layer Laser beam Recording format using organic dye material DVD-R/DVD+RDisc structure DVD-R DVD+RHigh reflection coefficient Low reflection coefficient Recording principlesDVD-RW DVD+RW Crystalline status Amorphous status2Tw Writing Pulse Wave Form of DVD+RShall be 0.1mW 2st Method Using Blocked Write StrategyDTera Writing Pulse Wave Form of DVD+RWTtop OUT PSN Layout of DVD-ROM discLayout of DVD+R disc Layout of DVD+RW disc LightScribe Media LightScribe MediaEncoder PowerCIrcuit ProcessorOptical Encoder Unit MD Assy For LightScribeOFG Optical Encoder AssyCodewheel GNDData Processing Flow DVDCD Data Processing Regional Code for DVD Disc Block Diagram R8J32007Copy Protection and Regional Code Management Block KEY Management Control Brief ProcessIf you want to play the disc prevented from the copy About Prevention the DVD-ROM from to be copyCase of a disc enhanced movie of 3 titles 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 Description+D B+C kF+H E+G Signal detection of the P/UFocus Error Signal == A+C-B+D RF Signal == A+B+C+DPick-up Block DiagramAlpc Automatic Laser Power Control Circuit Focus Servo Focus CircuitTracking & Sled Circuit Block Diagram Tracking FollowingHOP-7632TS Block Diagram SeekUnit Sled Servo Tracking ServoOptical Pick-up Disc HOP-7632TS Motor unit Spindle CircuitFG CAV Servo Block Diagram Wobble CLV Servo Pin Assignment IC101 R2S35002 RF AMP Analog Signal ProcessorPick Function Pin FunctionsPin Name Pin No Type IP1/LPPOUT BlankWobsig IP2/MIRRPin 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 5IO Atapi Hrstb AtapiDA2 Atapi DA1 DA0Lowzb IP1LPPINIP2MIRR WobsigFlash/SRAM Pin List Pin Name Pin No Destination Function H8S Micro-Processor Pin ListPin Name Pin No Destination Function SEL30 Power Supply/GND Pin List Pin Name Pin No Function Pin name Function Package outline 42 PIN Power Ssop 42P9R-KPin Function Loading Spgs ACTFLG,FG Actrst Common Input/Output circuit diagramCircuit Offset Adjust Troubleshooting GuideLaser Power Adjust using RD Power/WR Power/Erase Power High Frequency/NRZI skew AdjustServo Loop Gain Adjust Focus Amp. and Total Amp. AdjustTracking Amp. Adjust Focus Offset Adjust for DVD-RAM Data Error pulse Unwritten Slice Level Adjust for DVD-RAMFocus Offset Adjust for DVD-ROM, CD-R/RW Focus Offset Adjust for DVD-RAM PID AmpFocus Offset Adjust for DVD-R/RW, DVD+R/RW, CD-R/RW Tilt Adjust for DVD-RAMTilt Adjust for DVD-R/RW, DVD+R/RW, CD-R/RW Focus Deviation AdjustFocus Offset Adjust for DVD-R/RW, DVD+R/RWDID Lens Sensitivity AdjustSpindle Offset Adjust Adip BPF/Read Timing Adjust for DVD+R/RWSlider Spindle RTZ TimeOut FailFocus Servo/Tracking Servo Fail 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 DSP PCB Poor Analysis Check listXRD Page Is the clock of MPU in DSP oscillated correctly? Does the power supply circuit operate normally?CS0B WCK RCKMotor & actuator and its correspondence pin Control mode setup by the control terminalMotor, Abnormalities in Actuator System IC601R2S30202FP 7ch driverDVD/CD DSP Block DiagramMBM29LV160BE Fujitsu

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.
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