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.
Das Service Manual war von der ersten bis zur letzten Seite sehr informativ und hilfreich. Die Darstellung aller Teile war klar und der Text gut lesbar.
Vielen Dank, das war nicht der letzte Download bei ownner-manuals.com.
Text excerpt from page 54 (click to view)
ELECTRICAL TROUBLESHOOTING -1/17 1. Power Circuit(SMPS) (1) No 5.3VA.
No 5.3VA. YES Is the F101 normal? YES Is the BD101 normal? YES Is the R101 normal? YES Does the oscillation waveform appear at the IC101 Pin 1? YES NO Is Vcc(about 15~19V) permittable at the IC101 Pin 4? NO Check or Replace the D103. NO Replace the R101. NO Replace the BD101. NO Replace the F101 (Use the same Fuse).
Is there DC voltage at the IC101 Pin 4? YES Is there about 2.5V at the IC103 Vref ? YES Is the D106 normal? YES Check the MAIN C.B 5.3VA/5.0V Line short?
