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Now downloading free:Vestel 4250D

Vestel 4250D free download

DVD player, DVD recorder, digital recorder, DVD R - Sony, Panasonic, LG - service manual and repair information

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File name:DVD4250D_servis_manual.part1.rar
[preview 4250D]
Size:1953 kB
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Mfg:Vestel
Model:4250D 🔎
Original:
Descr:Service manual
Group:Electronics > Consumer electronics > DVD
Uploaded:18-08-2010
User:zvasile
Multipart: 0  1

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Extracted files:1
File name DVD4250D_servis_manual.pdf

DVD4250D DVD PLAYER SERVICE MANUAL 1 1. G ENERAL DESCRIPTION 1.1 ES66x8 The ES66x8 Vibratto II processor is a highly integrated single-chip DVD solution that integrates read channel, ECC, Servo DSP, MCU, and MPEG-2/MPEG-4/DivX decoder that has a state-of-the-art 480p/576p progressive-scan video feature to provide brilliant and sharp, flicker-free video output to the display, and with built-in gamma correction and S/PDIF input and output support. The 66x8 performs audio/video stream data processing, TV encoding, Macrovision copy protection, DVD system navigation, system control, and housekeeping functions. The Vibratto II DVD processor is built on the ESS proprietary dual CPU Programmable Multimedia Processor (PMP) core consisting of 32-bit RISC and 64-bit DSP processors and offers the best DVD feature set. These features can be listed as follows: General Features: - - - - - - - - - Single -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, EFM/EFM+ demodulation, and EDC circuit. Direct interface of 16-bit DRAM up to 128-Mb capacity. Direct interface of 8- or 16-bit SDRAM up to 128-Mb capacity. Direct interface for up to 4 banks of 8-bit EPROM or Flash EPROM for up to 4 MB per bank. Direct interface to the ES6603 servo AFE chip. Video Related Features: - - - - - - - - - Integrated NTSC/PAL encoder with pixel-adaptive de-interlacer and five 10-bit 54 MHz video DACs . DivX and MPEG-4 Advanced Simple Profile at full screen. Media playback with CD-ROM, CD-R/RW, DVD-R/RW and DVD+R/RW. Macrovision 7.1 for NTSC/PAL interlaced video. Macrovision NTSC/PAL (480p/576p) progressive scan video. Simultaneous composite, S-video and YUV outputs. CCIR656/601 YUV 4:2:2 output. OSD controller supports 256 colors in 8 degrees of transparency. JPEG digital photo CD support ( Kodak Picture CD and Fujifilm FujiColor CD ). 2 Audio Related Features: - - - - - - - - Full DVD-Audio support including MLP and LPCM decode, CPPM decryption, and watermark detection. Up to 7.1 channel audio outputs . Bass management. Dolby Digital ( AC-3 ), Dolby Pro Logic, and Pro Logic II. DTS surround ( ES6698 only ). S/PDIF digital audio input and output. SRS TruSurround. Professional karaoke with full scoring scheme. 1.2 M EMORY 1.2.1 System SRAM Interface The system SRAM interface controls access to optional external SRAM, which can be used for RISC code, stack, and data. The SRAM bus supports four independent address spaces, each having programmable bus width and wait states. The interface can support not only SRAM, but also ROM/EPROM and memory-mapped I/O ports for standalone applications are supported. 1.2.2 DRAM Memory Interface The Vibratto II provides a glueless 16-bit interface to DRAM memory devices used as video memory for a DVD player. The maximum amount of memory supported is 16 MB of Synchronous DRAM (SDRAM). The memo



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