Loading | LG Electronics GSA-4165B, GSA-4168B, GSA-4167B specification

Block Diagram

LOADING

4.5-5.5V

7-13.2V

GND

5ohm.1 Ron OUTPUT -LO M

LO+ VM3

DSP

H Bridge

+ -

TEST

TEST mode

SPGS Gain Select (SPM)

DSP	DSP
EN 2	EN 1
ENABLE

For

DSP

For /FO/TR/TILT

		P	gain
		M
	-TL	A
		A
				x 12
		L
		T
		B
5ohm.1	TL+		Voltage
5ohm.1	TL+
Ron OUTPUT	TLIN
DSP	TLIN
DSP
		P	gain
		M
	-TR	A		x 12
		A

		L
		T
		B
5ohm.1			Voltage
5ohm.1	TR+
Ron OUTPUT	TR+
Ron OUTPUT
DSP
	TRIN
4.5-5.5V	5VCC
4.5-5.5V	GND
	GND		gain
		P
		M
	-FO	A		x 12
	-FO
		L
		T
		B
			Voltage
5ohm.1	FO+
Ron OUTPUT	FOIN

	Protect Pickup
		ACTFLG
		ACTFLG
		ACTRST
		ACTRST

M

SLLIM

W

Currentgain

0.88A/V

CTL

Frequency 75KHz

P

PWM

CIRCUIT

u

r

e

p

p

o

h

SL1 -

c

t

n

e

r

r

+

-

C

SL1+

M

sense

GND

W

Current

converter V/V

P

SLIDE2

SL1IN

r

CIRCUIT

Currentgain

A/V0.88

CTL

Frequency 75KHz

PWM

e

p

p

o

h

-SL2

c

t

n

e

r

+

-

r

SL2+

u

C

sense

converter V/V

Current

SLIDE1

SL2IN

DSP

ohm 8.1
Ron OUTPUT
DSP	STM
DSP

ohm 8.1
Ron OUTPUT
DSP	13.2V
	13.2V

DSP

gain
Current		3A/V 0.6A/V
SPLIM

		sense
		Current

W

M	V
1ohm	U
1ohm
Ron OUTPUT

COMMON	VM1

		converter V/V
				SPM
						Frequency 150KHz
-				PWM	CIRCUIT	Frequency 150KHz		TSD
+
CTL
	WM


		P
		r
		pe			Commutation		commutation
		p
		ho
		ho
		c
			nt
				e
				r SWICHING
				ur
				C

				N
				I
				S
GND

FG(x3)	Reverse detect

DETECTER EMF BACK

STARTER

STTH

VM2

REF SPIN

FG 6.4MHz

CLK

			7-

DSP			SLIDE
			SLIDE
DSP			For
			For
	DSP

For SPINDLE	7-13.2V

71

Image 67

LG Electronics GSA-4165B, GSA-4168B, GSA-4167B service manual Loading

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.

Contents

Model GSA-4165B/GSA-4167B/GSA-4168B Super Multi DVD Drive Table of Contents 4167B Support feature and writable discIntroduction 4165B Supported write method FeaturesGeneral Supported disc formats Audio Performance Writing method SpecificationsOperating System Recording tool Applicable disc formats Data capacity RPC Regional Playback Control Phase2, No RegionRead/Write & Rotational speed CLV Access time 1/3 strokeData transfer rate Pcav Quality and Reliability DimensionsAcoustic noise Stop/Eject button Drive activity indicatorLocation of Customer Controls Disc tray Emergency Eject Hole IDE Interface Connector Power Connector Jumper ConnectorAnalog Audio Output Connector Cabinet and Circuit Board Disassembly Disassembly Pick-up Exploded View Glossary ~0.5 um Disc SpecificationRecording Layer CD-R and CD-RW Disc Pigment Reflective Layer Color Disc MaterialsCD-ROM disc CD-R disc Itop Laser Spot Position Time CD-RW Disc Amorphous Crystal phaseWriting Process of CD-R Disc Writing process of CD-RW Disc Layout 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 area Recording Capacity of CD-R/RW 74Minute Recording media Writing Process of DiscPCA Test Area Lead-In Area PCA C ount Area Lead -out Area Differences of DVD-R/RW, DVD+R/RW discs and DVD-ROM Dual Layer Single LayerDVD-ROM DVD-RW DVD+R DVD+RW Laser beam Recording format using organic dye material DVD-R/DVD+RDisc structure DVD-R DVD+R High reflection coefficient Low reflection coefficient Recording principlesDVD-RW DVD+RW Crystalline status Amorphous status 2Tw Writing Pulse Wave Form of DVD+R Shall be 0.1mW 2st Method Using Blocked Write Strategy Ttop 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 Media Encoder PowerCIrcuit Processor Optical Encoder Unit MD Assy For LightScribe OFG Optical Encoder AssyCodewheel GND CD Data Processing DVDData Processing Flow Regional Code for DVD Disc Block Diagram R8J32007Copy Protection and Regional Code Management Block KEY Management Control Brief Process Case 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 Code Internal Structure of the PICK-UP Block Diagram of the PICK-UPHOP-7632TS Pick 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+D Pick-up Block Diagram Alpc Automatic Laser Power Control Circuit Focus Servo Focus Circuit Tracking & Sled Circuit Block Diagram Tracking Following Unit Block Diagram SeekHOP-7632TS Sled Servo Tracking Servo FG CAV Servo Spindle CircuitOptical Pick-up Disc HOP-7632TS Motor unit Block Diagram Wobble CLV Servo Pin Assignment IC101 R2S35002 RF AMP Analog Signal Processor Pick Pin Name Pin No Type Pin FunctionsFunction IP1/LPPOUT BlankWobsig IP2/MIRR Pin Name Pin No Type Max. voltage Function Pin Layout IC301 R8J32007FPV Encoder, Decoder & DSP Singal Processor Vinp ADC Pin no Pin Name Pin Table Wpll Pin List Pin Name Pin No Destination Function Data PLL/PRML Pin List Pin Name Pin No Destination Function Servo Pin List Pin Name Pin No Destination Function 5IO Atapi Hrstb AtapiDA2 Atapi DA1 DA0 Lowzb IP1LPPINIP2MIRR Wobsig Pin 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 diagram Circuit Offset Adjust Troubleshooting GuideLaser Power Adjust using RD Power/WR Power/Erase Power High Frequency/NRZI skew Adjust Tracking Amp. Adjust Focus Amp. and Total Amp. AdjustServo Loop Gain 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 Amp Focus 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 Adjust Focus Offset Adjust for DVD-R/RW, DVD+R/RWDID Lens Sensitivity AdjustSpindle Offset Adjust Adip BPF/Read Timing Adjust for DVD+R/RW Focus Servo/Tracking Servo Fail RTZ TimeOut FailSlider Spindle SSB Byte8,9 Detail Error Code & Fail Analysis Laser Power Initial Adjust SSB Byte21,22 Adjusting Error during Disc Load Sequence Lead in Error DVD-R/RW, +R/RW DVD-ROM,CD-R/RW SSB Byte21,22 SSB Byte21,22 Loading Sequence Error Lead in Error 8586 XRD PCB Poor Analysis Check listDSP Page Is the clock of MPU in DSP oscillated correctly? Does the power supply circuit operate normally?CS0B WCK RCK Motor & actuator and its correspondence pin Control mode setup by the control terminalMotor, Abnormalities in Actuator System IC601R2S30202FP 7ch driver DVD/CD DSP Block DiagramMBM29LV160BE Fujitsu