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There are currently no product reviews.
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The manual is well organized and is easy to read. The chapters are following normal way to proceed.
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This scanned manual is well done in that most all the pages except for one is straight and clear- the way I would do them. One page was upside down but that happens. For the money that is charged on this site you get a pretty good deal. Now with complex repairs, I still prefer to us paper manuals which I have to buy at stereomanuals but the one I got here was much less than the $45 he was charging but this is a larger than normal manual for three different units. I am a picky manual user because I have used original manuals from Sony and Teac.
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Very useful service manual, was exactly what i needed.Good quality,reasonable price.Thank you.
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Acurate informations inside the SM and I could repair my old Sansui SC-3330 without any problems. Thanks.
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I used it to repair a NAD 7030, but unfortunately, the 7045 is different !
But documentation was useful.
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2. SERIAL DOWNLOAD
[Purposes]
A
1. When the main board is replaced, the firmware versions for the system control computer, drive, and the TUFL microcomputer do not match, and operations of the unit may be destabilized. In such a case, the versions for the above three must be matched. 2. This method is used when disc downloading fails.
[Tools to be used]
� PC with serial port � RS-232C cross cable � RS-232C I/F jig (GGF1348) � 7P FFC (VDA1681) � Download program (Image Updater) (*) � Firmware (*) This program must be installed in advance.
[Connection]
Connect as follows:
PC
RS-232C cable
RS-232C I/F
7P FFC
This unit
B
[Install Procedures of the Download Program]
1 Expand the compressed data of SLoader zip. 2 The folder of Image Tools is created, and then double-click on Setup. Exe of that file.
C
3 When the selection screen of the driver is appeared, search from C drive as the driver is installed by default for windows 2000/XP.) 4 When the installation is finished, confirm that the Image Updater can select as [start] [Program] [EMMA2RL Turnkey Image Tools] [Image Updater].
[Download Procedures]
1 Connect the 232C I/F jigs above way.
D
2 Connect the FFC cable of the download jig to CN1402 of MAIN ASSY and the power cable to the unit. 3 Turn on the PC and set the communication baud rate of 232C to 115, 200 bps. 4 Initiate the Image Updater by selecting [Start] [Program] [EMMA2RL Turnkey Image Tools]
[Image Updater].
5 When the Image updater is initiated, select the port to the connecting port (COM1, etc). 6 Click [���] of the "Main Board" line on the extream right, and select the download program "DVR_231M.***file".
E
7 After selecting the download program, push the "Start" button. 8 When the status screen is displayed, turn the DVD recorder on. The writing of the firmware begins. (It's takes about 5 minutes for updating the firmware.) 9 After finishing the update, push "OK" button, and then finish the Image Updater by pushing "Stop" button. 0 Unplug the power cable first, and then the FFC cable. (Be sure tp keep this order.)
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DVR-231-S
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