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Содержание DVD4250D

Страница 1: ...1 DVD4250D DVD PLAYER SERVICE MANUAL...

Страница 2: ...chip DVD processor incorporating all front end and back end functions Unified memory architecture Built in ADCs and DACs for servo control signals DVD Video DVD VR VCD 1 1 and 2 0 and SVCD Proven ECC...

Страница 3: ...t 128 Mb addressing The memory interface controls access to both external SDRAM or EDO memories which can be the sole unified external read write memory acting as program and data memory as well as va...

Страница 4: ...4 2 System Block Diagramand ES66x8 Pin Description 2 1 ES66x8 Pin Description...

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Страница 9: ...9 2 1 SYSTEM BLOCK DIAGRAM A sample system block diagram for the ES66x8 Vibratto II DVD player board design is shown in the following figure...

Страница 10: ...ent within frame and MSB or LSB first is possible using the ES66x8 internal configuration registers The I2 S format uses four stereo data lines and three clock lines The I2 S data and clock lines can...

Страница 11: ...er bank for accurate non integer interpolations Vertical scaling is achieved by repeating and dropping lines in accordance with the applicable scaling ratio Video Timing The video bus can be clocked e...

Страница 12: ...28 192 256 384 and 512 sampling frequency formats where sampling frequency Fs is usually 32 kHz 44 1 kHz 48 kHz 96 kHz or 192 kHz The audio samples for the I2 S transmit interface can be 16 18 20 24 a...

Страница 13: ...become essential Scart Signals Audio signals 0 5V RMS 1K output impedance 10K input impedance Red Green Blue 0 7Vpp 2dB 75R input and output impedance Note that the Red connection pin 20 can alternati...

Страница 14: ...front panel 3 15A fuse F1 is used to protect the device against short circuit Voltage is rectified by using diodes D1 D2 D3 and D4 Using capacitor C33 47 f a DC voltage is produced 310 320VDC The curr...

Страница 15: ...ally designed for DVD The scanned keys are transmitted via PT6311 to U1 on the mainboard IR remote control receiver module sends the commands from the remote control directly to U1 13 3 BACK PANEL The...

Страница 16: ...g the SAP code of the product then burn the already renamed file with nero program as it is shown below 4 Burn the renamed files by Nero program with below set up 5 After burning process is completed...

Страница 17: ...and 25xx and 26xx are called Mini VFD Each character in the file name is an abbreviation of a description as illustrated below C2M1AS__ Progressive Option with progressive P without progressive _ DMR...

Страница 18: ...18 Pay attention the left side Select CD and CD_ROM ISO on the upper left side of screen...

Страница 19: ...19 Select No Multisession...

Страница 20: ...20 Format is Mode 1...

Страница 21: ...21...

Страница 22: ...22 Leave the dates as it is...

Страница 23: ...23 Leave it as it is...

Страница 24: ...24 Click the New on the upper right corner of the screen...

Страница 25: ...file browser then you will see your file in the Name section on the right side and then copy the files to under Name section on the left side this is just an example you will see your file name when y...

Страница 26: ...26 Click the Burns the current compilation...

Страница 27: ...27 Then you will see this screen and click the Burn on the right upper side of screen...

Страница 28: ...28 You will see this screen and tray will open itself on computer then place the CD in CD ROM And it will start writing At the end you will see burn complited...

Страница 29: ...15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 A15 A14 A13 A12 A11 A10 A9 A8 NC NC W RP VPP DU WP NC NC A17 A7 A6 A5 A4 A3 A2 A1 A0 E GND G DQ0...

Страница 30: ...5 0 01U RR107 0 OPEN DD5 OPEN 1 RR41 0 RR85 R RR83 10K RR59 0 CC67 0 01U CC82 C RR80 R LL6 FB 1 2 CC53 2200P CC68 100U 16V RR51 33K CC75 0 1U RR81 0 CC69 100U 16V CC43 470P RR67 1 0805 RR66 1 0805 RR7...

Страница 31: ...VCC20 VCC33 GND MVCC RFGND RFGND RFGND GND GND GNDV RFGND VCCA GNDA GNDA VCCA GNDA VCCA GNDA GNDA GNDA U38 CS4392 7 6 5 12 8 19 20 1 2 14 15 18 17 16 3 4 9 10 13 11 M3 MCLK LRCK CMOUT M2 AUTA AMUTEC...

Страница 32: ...3C2 1 2 3 VIN VCC GND R410 680 1 C262 10UF C189 open C298 100uF 25 1 R161 100K 1 R12 10K 1 C184 680PF C191 0 1UF R178 330 OHM 1 Q23 2SC3327 2 1 3 R399 680 1 C223 22PF R425 1K8 1 R402 10K 1 R397 680 1...

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