2. Pick up Pin Assignment

No.

Signal Name

I/O

Signal Description

 

 

 

 

 

1

GND(OEIC,TEMP)

 

Ground for OEIC

 

 

 

 

 

2

Vcc(OEIC)

I

Power supply for OEIC

 

 

 

 

3

Vc(OEIC)

I

Reference voltage input for OEIC

 

 

 

 

4

GAINSW

I

OEIC output gain control (High:Low gain, Middle:Middle gain, Low:High gain)

 

 

 

 

5

E3+F3

O

Single OEIC output EF3

 

 

 

 

6

B

O

Single OEIC output B

 

 

 

 

7

D

O

Single OEIC output D

 

 

 

 

8

E4+F4

O

Single OEIC output EF4

 

 

 

 

9

E1+F1

O

Single OEIC output EF1

 

 

 

 

10

A

O

Single OEIC output A

 

 

 

 

11

C

O

Single OEIC output C

 

 

 

 

12

E2+F2

O

Single OEIC output EF2

 

 

 

 

13

RF+

O

Single OEIC RF positive differential output

 

 

 

 

14

RF-

O

Single OEIC RF negative differential output

 

 

 

 

15

GND(OEIC.TEMP)

O

Ground for OEIC and TEMP

 

 

 

 

16

TEMP

O

Output voltage for controlling temperature

 

 

 

 

17

VSO

I

Supply voltage for the output drivers only

 

 

 

 

18

SEN

I

Serial control enable (H=enable, L=disable)

 

 

 

 

 

19

BUSY

O

Goes high when

serial transfer to timing menory is active

 

 

 

 

20

SCLK

I

Serial control clock

 

 

 

 

21

SDIO

I/O

Serial data for parameters and control ; in/out

 

 

 

 

22

RWB

I

Write enable for NRZ laser data (L=write, H=read)

 

 

 

 

 

23

MONITOR

O

Monitor output

 

 

 

 

 

24

GND(LDD)

 

Ground connection for LD Driver-IC

 

 

 

 

25

NRZ

I

NRZ laser data (H=mark, L=space) (LVDS+)

 

 

 

 

26

NRZB

I

NRZ laser data (H=mark, L=space) (LVDS-)

 

 

 

 

27

GND(LDD)

 

Ground connection for LD Driver-IC

 

 

 

 

28

CLKB

I

CLOCK for NRZ code input (LVDS-)

 

 

 

 

29

CLK

I

CLOCK for NRZ code input(LVDS+)

 

 

 

 

30

VSL25

I

Supply voltage for 2.5V logic

 

 

 

 

31

VSA5

I

Supply voltage for PLL only

 

 

 

 

32

SLG

I

Land/groove input serects the power register set (H=land, L=groove)

 

 

 

 

33

IAPC

I

A low inpedance current input ; 100xIAPC frow to the output

 

 

 

 

34

ENA

I

Fast chip enable input

 

 

 

 

35

VCC(FM)

I

Power supply for FM

 

 

 

 

 

36

SEL

I

Low: selects

DVDFMOUT

 

 

 

High: selects

CDFMOUT

 

 

 

 

37

VREF

I

APC amplifier reference voltage input

 

 

 

 

38

FM

O

APC amplifier output

 

 

 

 

39

GND(FM)

 

Ground connection for FM

 

 

 

 

40

AF+

I

Focusing Actuator drive signal+

 

 

 

 

41

AF-

I

Focusing Actuator drive signal-

 

 

 

 

42

TR+

I

Tracking Actuator drive signal+

 

 

 

 

43

TR-

I

Tracking Actuator drive signal-

 

 

 

 

44

Tilt+

I

Tilting Actuator drive signal+

 

 

 

 

45

Tilt-

I

Tilting Actuator drive signal-

 

 

 

 

 

45

Page 41
Image 41
LG Electronics GSA-4167B, GSA-4168B, GSA-4165B service manual Pick up Pin Assignment, Signal Name Signal Description

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.