Philips DVD763SA/021, DVD763SA/001, DVD763SA/051 manual Audio/Video A/V Board, Reset Circuit

Page 58

Circuit Descriptions and List of Abbreviations

DVD763SA

 

9.

 

EN 73

The SACD DSD/DST decoder Furore 2 uses 1.8V for its core and analogue portion, and 3.3V for its interface. The on-board 1.8V linear regulator LF18ABDT and 3.3V linear LD1117DT33 are used to generate 1.8V and 3.3V power supply respectively. The back-end section mainly uses the 1.8V or 2.5V and 3.3V, which depend on which back-end processor is used. The on- board linear regulators LF25ABDT or LF18ABDT are used to generate the 2.5V (or 1.8V) required by the STi55xx.

The front-end section mainly uses the 5V and 12V. An on- board linear regulator LD1117DT33 can be used to generate the 3.3V required by the front-end. The 12V is used by the motor and servo drivers.

Reset Circuit

9.4

Audio/Video (A/V) Board

 

 

 

A

 

 

S

 

 

 

 

1403

1300

 

 

 

 

 

STATUS

 

 

 

 

 

RGB

 

P50

 

 

 

P50

 

 

 

 

 

 

SCART

 

7431/32/33

 

 

Y/C

 

 

 

 

 

 

 

 

 

AUDIO L / R

L / R

 

 

 

 

 

 

 

 

 

 

CVBS

 

 

7420/22/24

7421/23

7425

 

 

 

1421

 

 

 

 

 

 

 

7435

1

2

 

 

 

 

CVBS

 

 

 

 

CVBS

 

 

 

7436/37

 

VIDEO OUT

Y-IN

 

 

 

 

 

 

 

SVHS

C-IN

 

 

 

 

 

 

 

 

Low Voltage Detection 4.5V

STi55xx

Power On

 

Reset

RESETn

Circuit

 

Delay 1

 

Furore 2

 

 

7440/41/42

Y

U

V

 

 

 

 

 

RGB/YUV

 

 

 

 

 

 

 

7220

 

 

 

 

 

 

CENTER ON

 

 

 

 

 

BOARD

7201

7202

7321/23

R

 

 

 

 

L

 

STEREO

 

 

 

 

AUDIO

 

 

 

 

AUDIO OUT

 

 

 

 

 

 

 

 

 

 

 

MONO

1400

 

 

 

 

 

 

7300

7325/27

 

 

 

FROM

 

 

 

 

 

VIDEO

L

R

 

 

 

 

 

 

 

Low Voltage Detection 4.5V

RSTN

Power On

Reset

Circuit

Delay 2

CLK_STBCTRL

Clock Factory

RES_P

Basic Engine

 

CL 26532053_018.eps 260402

 

 

FILTER

 

FRONT

 

 

BUFFER

 

 

 

7200

 

CENTER

 

DCM data

 

 

 

 

 

7301

 

 

 

7331

SW

 

 

VIDEO

C

DSD data

DAC

FILTER

 

C / SW

 

 

BUFFER

 

 

Control

 

 

 

MULTI CHANNEL

 

 

 

 

AUDIO

 

 

 

 

OUT

384* FS

7100/01/03

 

 

 

 

 

 

 

 

CLOCK

 

 

 

 

GEN.

 

 

 

 

 

7302

7333/35

R

 

 

VIDEO

L

 

 

 

 

PCM_CLK

 

FILTER

 

SURROUND

 

 

BUFFER

 

 

Figure 9-10 Block diagram of reset circuit

This reset circuit takes care that booting the different devices on the mono board takes place in the correct order. The correct reset order is:

1.The Power On Reset circuit (delay t1) creates a reset signal 'RESETn' to reset the STi55xx and Furore .

2.In the meantime, the Power On Reset circuit (delay t1) creates a reset signal 'CLK_STBCTRL', which is inverted to 'RESETn', to enable the Clock Factory.

3.Then, the Power On Reset circuit (delay t2) generates a reset signal 'RES_P' to reset the Basic Engine.

4.The STI55xx can now reset the Basic Engine via 'RSTN'.

A MUTE

7604

 

OPTICAL

 

DIGITAL

5413

AUDIO OUT

 

1410

S/P DIF

DIGITAL OUT

COAXIAL

 

 

CL 26532053_019.eps

 

010502

Figure 9-11 Block diagram A/V board

This board is the interface panel between the DVD-player and its peripherals. See also block diagram in Chapter 6.

9.4.1Control

The control of the A/V board is done by the I2C-decoder IC7104 (see table below):

Table 9-2 Control lines overview IC7104

Description

Pin

Hi

Lo

CLK_SEL

12

Internal clock

External clock

 

 

 

 

DAC_RESET

10

Normal

Reset

 

 

 

 

CENTER_ON

9

?

?

 

 

 

 

9.4.2Video

The analogue video signals from the Mono Board are buffered before they are fed to the several output connectors (SCART, Cinch, and SVHS). The video output from the A/V Board is RGB/YUV, YC, and CVBS.

9.4.3Audio

The digital audio signals are fed to a 6-channel DAC CS4362 (item 7200, 48-pin LQFP) for the audio output. This DAC accepts both DSD and PCM data streams.

There is a control line from the STi55xx, called CENTRE_ON, which is used to switch between the centre channel and front channels for both SACD- and DVD modes.

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Contents DVD-Video Player ContentsDVD763SA /001 /021 /051 Specifications Technical Specifications and Connection FacilitiesLaser Device Unit Safety Instructions, Warnings and NotesSafety Instructions DolbyService Positions Service HintsSwitched Mode Power Supply ComPairDVD Module 145 Remove flex connections to A/V board MechanicalTopCover 300 Remove 4 screws 310 Lift module up slightly and moveMechanical- and Dismantling Instructions Dealerscript Diagnostic Software, Trouble Shooting and Test InstructionsNucleus Contents of Dealer Script Purpose of Dealer ScriptPurpose of Player Script Contents of Player ScriptPlayer Script Structure of Player ScriptDisplay Test Remote Control TestDisplay PCB LED Test162037.eps 5 P50 Loop-Back TestPicture Test Sound 2 Test Sound 1 & Scart DVD TestBasic Engine Error Bits Loop Test See Table BelowSlph Error Codes Uart Error CodesBe Errors SSM Error CodesReprogramming of New Mono Boards SMA Error CodesCL 26532053056.eps Command Overview of Nuclei Menu and Command Mode InterfaceSet-up Physical Interface Components Hardware required Components Ref. # Reference Name Remark Basic diagnostic nuclei Ref. # Reference Name RemarkProcessor and peripherals Ref. # Reference Name Remark Audio Ref. # Reference Name RemarkDisplay slave processor Ref. # Reference Name Remark Log Error logging in Nvram Ref. # Reference Name RemarkVideo Ref. # Reference Name Remark Miscellaneous Ref. # Reference Name RemarkMenus Layout of Menu and SubmenuActivation First Level SubmenusSecond Level Submenus Third Level SubmenusError Code Error text Nuclei Error CodesAudio Nuclei Error Code Error text Basic Engine Nuclei Error Code Error text Display PWB Nuclei Error Code Error text Processor & Peripherals Nuclei Error Code Error textVideo Nuclei Error Code Error text Log Nuclei Error Code Error textMiscellaneous Nuclei Error Code Error text Furore Nuclei Error Code Error textClock Check Test Instruction Front Display and Audio/ Video BoardSupply Check Audio Mute CheckKill Circuit Command Ref.# Name Remarks Audio outputCommand Ref.# Name Remarks Killlr signal Digital SilencePersonal Notes Block and Wiring Diagram Block Diagram DVD763SA EUWiring Diagram DVD763SA EU CL 26532053011.eps AV Board Testpoint Overview170502 Electrical Diagrams Power Supply Unit DVD763SA EUAV-Board Clock & Control 200mV / div AC AV-Board Video DACI200 I201 I221 10ms / divAV-Board Audio I403 I406 I407 AV-Board VideoI231 I234 I421 I422 I423 I480CL 26532053009.eps Layout AV-Board Overview Top Side260402 Layout AV-Board Part 1 Top Side Layout AV-Board Part 2 Top Side Part Layout AV-Board Overview Bottom SideCL 26532053010.eps Layout AV-Board Part 1 Bottom Side CL 2653205310a.epsLayout AV-Board Part 2 Bottom Side CL 2653205310b.epsDVD763SA 30521-Front Board Display Panel CL 26532039021.eps Layout DVD763SA 30521-Front Board Top SideLayout DVD763SA 30521-Front Board Overview Bottom Side 200302CL 2653203921a.eps Layout DVD763SA 30521-Front Board Part 1 Bottom Side210302 Layout DVD763SA 30521-Front Board Part 2 Bottom Side CL 2653203921b.eps6200 1202 1200 1201 DVD763SA 30521-Front Board Standby PanelLayout DVD763SA 30521-Front Board Standby Panel 1200 1201 1202 6200Switching Panel TP14 Cvbs out Scart PanelTP1A Bvid out TP2A Gvid out 500mV/div ACLayout Scart Board Overview Top Side Layout Scart Board Part 1 Top Side Layout Scart Board Part 2 Top Side Circuit Descriptions and List of Abbreviations Power Supply UnitAlignments IntroductionUnder-voltage Protection Loader/Mono BoardPrimary Current Sensing Over-voltage ProtectionInterface/Program Memory Loader InterfaceServo Processor/Decoder DVD Back-end ProcessorBasic Engine Interface Sacd DSD processorAudio data input/output Interface Audio Output Video OutputClock Factory Power Supply diagram M7Miscellaneous Reset Circuit Audio/Video A/V BoardKey Matrix Control and DisplayStandby LED IR ReceiverAbbreviation list IC Data Diagram Power Supply TY72011P2 Block Diagram itemTY72011P2 Pinning item SD 4.00SACH Module Spare Parts ListVarious VariousFront PWB RC22H RST SMScart PWB

DVD763SA/051, DVD763SA/021, DVD763SA/001 specifications

The Philips DVD763SA series, which includes models DVD763SA/001, DVD763SA/021, and DVD763SA/051, represents a sophisticated blend of technology and quality in the realm of home entertainment. These DVD players are designed to deliver an exceptional viewing experience, featuring a range of functionalities that cater to modern media consumption needs.

One of the standout features of the DVD763SA series is its compatibility with various disc formats. It supports not just standard DVDs, but also CD-R/RW, MP3, and JPEG formats, allowing users to enjoy a versatile selection of media. This versatility ensures that whether you're in the mood for a classic movie, listening to music, or viewing photos from a digital camera, the Philips DVD763SA delivers seamless playback.

Equipped with progressive scan technology, these DVD players enhance video quality significantly. This technology minimizes motion blur and improves image clarity, producing a sharper picture that enhances the viewing experience, especially on larger screens. The DVD763SA series also boasts an advanced video rendering capability, which ensures that even older discs are upscaled to near-HD quality, providing a more enjoyable viewing experience.

Another notable characteristic of the DVD763SA series is its user-friendly interface. The remote control is ergonomically designed for ease of use, incorporating intuitive buttons that allow for quick access to settings, playback options, and media navigation. The on-screen display further simplifies navigation, making it easy for users to browse through their media collections.

Audio quality is equally impressive, with support for Dolby Digital and DTS sound formats. This ensures that viewers can enjoy cinematic audio experiences from the comfort of their homes. The players also feature direct audio outputs, enabling users to connect them to external sound systems for enhanced sound performance.

The Philips DVD763SA series prioritizes energy efficiency, adhering to environmentally friendly standards. This not only helps reduce power consumption but also contributes to lower electricity bills for households. With a sleek and compact design, these DVD players fit seamlessly into any home entertainment setup, providing both functionality and style.

In summary, the Philips DVD763SA/001, DVD763SA/021, and DVD763SA/051 models combine advanced technology with practical features, making them an excellent choice for anyone looking to upgrade their home media experience. From impressive audio-visual capabilities to user-friendly design, these players are well-equipped to meet the demands of today's media consumers.
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