Service Manuals, User Guides, Schematic Diagrams or docs for : ONKYO Audio rdc7-supp-sm

<< Back | Home

Most service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.




Image preview - the first page of the document
rdc7-supp-sm


>> Download rdc7-supp-sm documenatation <<

Text preview - extract from the document
                                                                                                                     Ref: RDC7-DSP-2



RDC-7 With THX-ULTRA-2                       Addition or omission of parts.

When servicing the DSP of RDC-7 with the
optional THX ULTRA-2 upgrade, make sure
to refer to this page as well.

Do Not attempt to modify the hardware of a none




                                                                                                                                Preprocess DSP
THX-ULTRA-2 unit assuming THX-Ultra will work. The
upgrade requires software also. Since the upgrade is sold
separately as an option, this information must be treated as
supplemental technical information for those units having such                                 Q721
an upgrade already in place.


Parts location ID listings in Blue block at the top are for Q721 corresponding to PIN 1~6
and 40 ~ 44. The parts location listings within the yellow block correspond to the SM
components associated to Q721 pin# 18 ~ 28. As the arrow indicates, a wire from a
removed R768 solder landing that connects to IC Q761 pin #22 location (below) is
connected to R745 which is also connected to pin#3 of IC Q721.



Note: All connections at Q761 are in direct relation to the IC pins while at Q721
connection will be through the referenced resistor which is in series to the IC pin.


                    Jumper wire from Q761 Pin#22 to Q721 pin R745 of Pin
                    mostly black in color.


                           Post processing DSP IC Q761

                                                                                                Q761
      R768, R769 and R770 may be found to have been removed following the
      optional THX ULTRA-2 upgrade. Jumpers are in place as illustrated in the
      picture with Red and Yellow lines.



                                                                                            R768 Removed   R769 Removed   R770 Removed



◦ Jabse Service Manual Search 2020 ◦ Jabse Pravopis ◦ Other service manual resources online : FixyaeServiceinfo