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I will definitely be back for more information when I need it.
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The service manual when downloaded and printed out was clear and easy to read. I would have liked to have been able to enlarge some details, but this was not possible as the file permissions did not allow this. The service was very good. The time taken from placing my order to downloading the document was only a few minutes.
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The manual is useful for trouble shooting for an old instrument. It saved money,and let me enjoy DIY.
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Perfect source of information for replacing the HDD and performing general diagnostics.
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Perfect source of information for replacing the HDD and performing general diagnostics.
CIRCUIT OPERATIONAL DESCRIPTION
4) SDRAM : HY57V660ET-7 (DV-000S/DV-00S/DV-200S/DV-300S/DV-400S/DV-70S) This sends and receives data with MPEG decoder and performs the video signal processing. Every video signal output from DVD player is once stored in SDRAM and then encoded in MPEG decoder and finally output into the analog signal. SDRAM applied to DVD module has the capacity of 6MBit(048576 x 6bit x Bank), sends and receives data with MPEG decoder by 6 bit. Description THE Hynix HY57V660E is a 6,777,26 bits CMOS Synchronous DRAM, ideally suited for the main memory and graphic appli-cations which require large memory density and high bandwidth. HY57V660E is organized as 2banks of 524,288x6. HY57V660E is offering fully synchronous operation referenced to a positive edge clock. All inputs and outputs are synchronizedwith the rising edge of the clock input. The data paths are internally pipelined to achieve very high bandwidth. All input and outputvoltage levels are compatible with LVTTL. Programmable options include the length of pipeline (Read latency of ,2 or 3), the number of consecutive read or write cycles initi-ated by a single control command (Burst length of ,2,4,8 or full page), and the burst count sequence(sequential or interleave). Aburst of read or write cycles in progress can be terminated by a burst terminate command or can be interrupted and replaced by anew burst read or write command on any cycle. (This pipeline design is not restricted by a `2N` rule.)
3
Sm(DAEWOO_1389C)060109.indd
13
2006-1-13
15:42:03
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