DVD-R/-RW DRIVE MODEL SD-R5112 BLOCK DIAGRAM

 

Figure 3

11/29

Configuration

SD-R5112 Rev.1.0

TA1365AF

 

 

 

Wobble Filter

 

 

 

Laser Contrl

 

Disc Motor

PUH

RF Amp EQL

 

Tracking Amp

 

 

 

Loading

 

 

Focus Amp

Motor

Feed Motor

Command Dec.

 

 

Position

 

 

BD7908

 

 

Detector

 

 

 

Power Driver

Power Driver

Power Driver

Power Driver

Power Driver

 

 

 

 

 

 

 

Disc Motor Driver

 

 

 

 

 

 

 

 

 

 

 

 

 

Comparator

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6379

 

 

 

 

 

 

 

 

 

 

 

FV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Eject Switch

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Clock

Converter

 

 

Control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Tray

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Timer

 

 

Micro

 

 

 

 

 

 

 

 

 

 

 

 

 

Open/Close

 

 

 

 

GPIO

 

 

 

 

Processor

BUS

 

 

 

 

 

 

Int.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Detector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RAM

 

 

 

 

 

 

LED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FLASH ROM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TC94A38F

Data Slicer

 

PLL

SRAM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Demodulator

ECC

 

EDC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

De-Scramble

 

 

 

 

 

 

 

Memory

Controller

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A/D

Converter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D/A

Track EQL

Audio D/A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D/A

Focus EQL

Digital Audio Decoder

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D/A

Feed EQL

Digital Audio Encoder

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D/A

Disc EQL

IDE / ATAPI

 

 

 

Interface Control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Servo

BCA Decoder

 

 

 

Controller

 

 

 

 

 

 

 

 

 

 

Sync/ID Detect

Authenticator

 

 

 

 

 

 

 

 

 

De-Scramble

CD/DVD Encoder

 

 

 

 

 

 

 

 

 

Header detect

CLV Controller

 

 

 

 

 

 

 

 

ATIP Demodulator

LPP Demodulator

 

 

 

 

 

 

 

 

ATIP Decoder

LPP Decoder

 

 

 

 

 

 

 

 

 

Error Correct

Write Strategy

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Clock

DRAM

Interface

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22.5792 MHz

 

 

 

 

 

 

 

 

 

 

 

 

 

DRAM (16M)

Headphones (Option)

Digital

Audio

Muting

Analog

Audio

+5V

+12V

Page 18
Image 18
Toshiba SD-R5112 specifications 11/29, Configuration

SD-R5112 specifications

The Toshiba SD-R5112 is a versatile optical disc drive that has garnered attention for its solid performance and wide compatibility. Released during a time when the demand for reliable CD and DVD solutions was surging, the SD-R5112 has ingrained itself as a notable product in the world of optical drives.

One of the main features of the Toshiba SD-R5112 is its ability to read and write multiple formats, including CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-R, and DVD-RW. This broad compatibility makes it an excellent choice for users who require flexibility in their media handling, whether for data storage, software installation, or multimedia playback.

The SD-R5112 employs Advanced Digital Format (ADF) technology, which enhances the data storage capability of CDs, allowing users to utilize more of the disc's surface for data. This feature is particularly beneficial for those who need to maximize space when archiving data or creating backups.

Speed is another crucial aspect of the Toshiba SD-R5112. The drive is capable of achieving impressive read and write speeds that cater to both novice users and professional applications. For instance, it can write DVD-R discs at speeds of up to 4x, which facilitates quicker data transfer for larger files.

In terms of design, the SD-R5112 features a compact and sleek structure, making it suitable for various computer setups, whether in desktops or laptops. Its installation process is user-friendly, thus appealing to both tech-savvy individuals and those who prefer plug-and-play solutions.

Furthermore, the SD-R5112 supports various buffer underrun protection technologies, which significantly reduce the likelihood of errors during the writing process. This ensures better reliability and consistency when creating discs, which is essential for professional tasks where data integrity is paramount.

Cooling technology integrated into the design helps maintain optimal operating temperatures, which not only prolongs the lifespan of the drive but also contributes to stable performance during intensive data operations.

The Toshiba SD-R5112 stands out as a well-rounded optical drive that combines advanced technology with user-friendly features, making it an excellent choice for anyone needing a dependable solution for their optical media needs. Its blend of speed, compatibility, and innovative technologies underline its value in the competitive landscape of optical drives, appealing to a diverse range of users.