Denon DVD-900, Руководство по обслуживанию

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FLOW CHART NO.17
[No Disc] is indicated. (When the focus servo is not functioning.)
FLOW CHART NO.18
[No Disc] is indicated. (When the laser beam does not light up.)
FLOW CHART NO.19
Both functions of picture and sound do not operate normally.
Replace the DVD Main CBA Unit.
Replace the DVD Mecha.
No
Yes
Replace the DVD Main CBA Unit.
Replace the DVD Mecha.
No
Yes
Replace the DVD Main CBA Unit.
Replace the DVD Mecha.
No
Yes
No improvement can be found.
The malfunction of the original DVD Main CBA Unit.
No improvement can be found.
The malfunction of the original DVD Main CBA Unit.
No improvement can be found.
The malfunction of the original DVD Main CBA Unit.