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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.
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Excellent printing quality. A complete and very useful manual with all details.
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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.
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Mi spiace per non poter scrivere in inglese... ma sono veramente soddisfatto del servizio offerto. Grazie..!!
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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.
Diagnostic Software, Trouble Shooting and Test Instructions
5.3.5 No Digital Audio Out
DVD640 /xx1
5.
EN 21
No Digital audio out from coaxial
Put the Mains switch to ON and play a DVD disc. Ensure that SPDIF set-up in the Setup Menu is set to PCM.
� Check waveform at Pin 41 / 7101 Mpeg Board
Check / Replace Decoder IC 7101
ch1
PM3380B
SPDIF
NO
1
YES
� Check waveform at output of buffer IC 7202 Check +5VAV supply to buffer IC 7202 Check / Replace buffer IC 7202
2.00 V / DC 0.0 ns / div
NO
�
YES
� � Check continuity from output of IC 7202 to pin 3 of con 1203A Check /Replace R3253,R3254 and C2242
CL 26532068_022.eps 030702
Figure 5-5 No Digital audio out
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