BBK DK1410SI - Chapter Three Principle and Servicing; Section One Principle of the Player; Function Introduction; Block Diagram Principle of the Player

3.1.1 Function introduction
This players adopts new-generation DVD decode chip with built-in Dolby decoder, and the vivid
surround system brings you to taste the living cinema effect. It has the following features:
Progressive scanning output to produce steadier and clearer pictures without flickering
Composite video, S-video and component video output
Digital picture adjustment to sharpness, brightness, contrast, chroma and saturation of pictures,
gamma correction
Built-in Dolby digital decoder
Hi-FI stereo headphone output
FM/AM digital tuning function, capable of storing (memorizing) 20 FM/AM radio stations
respectively
Compatible with DIVX, MPEG4 format movie
3.1.2 Block diagram principle of the player
The player is composed of decode & servo board, power amplifier board, input/output board, panel,
headphone board, tuner, power board and loader. Shown in the figure 3.1.2.1, except that power board
is not shown, other signal flow is basically shown in the figure. The main function of loader is to read disc
information and send to MT1389, MT1389 finishes servo function through D5954 on decode board and
other supplementary circuit, other circuits are used to guarantee the normal working of loader. FLASH
on decode board is to store system program, SDRAM is to store program and information of sound and
picture read from disc when the machine is working and guarantee their normal output. The main
function of power amplifier board is to perform audio DA conversion and amplification of analog signal to
output 5.1CH to guarantee the normal working of external speaker. The main function of AV board is to
output various audio and video signals. This player is attached with headphone and microphone to meet
requirements from customers. In addition, there is external sound input, and you may use the power
amplifier board of this player to perform power amplifying to it to facilitate to output to speaker. The tuner
of this player also makes it have tuning function, and it also equipped with SAA6558 chip, so it may
realize RDS function of Europe and RBDS function of US.
Chapter Three Principle and Servicing
Section One Principle of the Player
- 14 -