INTERNAL STRUCTURE OF THE PICK-UP

1. Block Diagram of the PICK-UP(HOP-7632TS)

IC2(FM)

CD-VR

5

6

7

DVD-VR

8

 

R14

4

 

3

Rd

 

2

C12

 

1

 

 

C13

45Tilt-

44Tilt+

43TR-

42TR+

41AF-

40AF+

39 GND(FM)

38

FM

37

VREF

36

SEL

35

VCC(FM)

34

ENA

 

 

 

 

 

C3

 

 

 

 

R2

 

 

 

 

 

 

 

 

 

 

 

 

R4

 

 

 

 

 

 

 

 

R1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16 15 14 13 12 11 10

IC2(LDD)

 

 

 

 

 

 

 

17

VSORSET

EN

AGND

ISLOP

IAPC

Rfreq

SLGVSA 9

 

DVD-LD

 

 

 

 

 

 

 

 

 

FB2

 

 

 

 

 

 

 

 

 

 

 

 

18

OUT2

 

 

 

 

 

 

C2

 

 

 

 

 

 

 

VSL 8

 

 

19

OUT2

 

 

 

 

 

 

C1

FB1

 

 

 

 

 

 

CLK 7

 

 

20

VSO

 

 

 

 

 

CLKB 6

R7

 

21

VSO

 

 

 

 

 

GND 5

 

 

 

 

 

 

 

 

22

GND

 

 

 

 

 

GND 4

R8

 

23

OUT1

 

 

 

 

 

NRZB 3

 

CD-LD

24 OUT1

NC

BUSY

SEN

SDIO

SCLK

NRZ 2

 

 

25

NC

MON1

 

 

 

VSO

 

 

 

 

 

RWB 1

 

 

 

 

26 27 28 29 30 31 32

 

 

C6

 

 

C5 FB3

 

 

 

C9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C10

 

 

 

 

 

 

IC3(OEIC)

 

 

 

 

 

 

 

 

 

 

Rth

 

 

 

 

 

 

 

 

 

 

 

 

7

GND

F4

 

F1

 

EF4

8

 

 

 

 

 

 

 

 

 

 

C14

6

VD

F3

 

F2

 

EF1

9

 

5

VCC

 

 

VA 10

C15

VS

D

A

VB 11

4

 

 

3

VC2

C

B

VEF2 12

 

 

2

VEF3

E4

E1

VREP 13

1

SW

E3

E2

VRFN 14

33

IAPC

32

SLG

31

VSA5

30

VSL25

29

CLK

28

CLKB

27

GND(LDD)

26

NRZB

25

NRZ

24

GND(LDD)

23

MONITOR

22

RWB

21

SDIO

20

SCLK

19

BUSY

18

SEN

17

VSO

16

Vcc(FM)

15

GND(OEIC,TEMP)

14 RF-

13RF+

12E2+F2

11C

10A

9E1+F1

8E4+F4

7D

6B

5E3+F3

4GAINSW

3Vc(OEIC)

2Vcc(OEIC)

1GND(OEIC,TEMP)

Behind View

DVD-LD : 1st Vendor : Rd = 82k

DVD-LD : 2nd Vendor : Rd = 5.6k

44

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Image 40
LG Electronics GSA-4165B, GSA-4168B, GSA-4167B Internal Structure of the PICK-UP, Block Diagram of the PICK-UPHOP-7632TS

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.