Complete manual with clear schematic diagrams and printed circuit board layouts of two variants of the headset and the transmitter an old and a new version.
Also shows how the headset and the transmitter is opened and how transmitter and receivers can be adjusted and where to measure.
I had no problems to repair the headset using this service manual.
This is a great site. I placed my order and by the next am it was available for download. Had some problems with some missing copy on some pages. Once I brought the error to the OMC's attention, the issue was resolved. I'll come back again.
The quality of this manual is good. It has all schematics and setup information for both the MDS-B3 and the MDS-B4. The scan quality is quite good, all pages are readable, This service manual also contains scans of the operating instructions from the User manual.
Text excerpt from page 9 (click to view)
2. DISASSEMBLY
NOTE FOR REPAIR
� Make sure that the flat cable and flexible board are not cracked of bent at the terminal. Do not insert the cable insufficiently nor crookedly. � When remove a connector, don�t pull at wire of connector. It is possible that a wire is snapped. � When installing a connector, don�t press down at wire of connector. It is possible that a wire is snapped. Cut and remove the part of gilt which comes off at the point. (Be careful or some pieces of gilt may be left inside)