Denon 2815 - DVM DVD Changer Service Manual download pdf (Page 17)

DVM-2815

FLOW CHART NO.17

[No Disc] indicated. (When the focus error occurs.)

Replace the DVD Main CBA.

No improvement can be found.

Original DVD Main CBA is poor.

Replace the DVD Mecha.

Ye s

FLOW CHART NO.16

The disc tray cannot be opened and closed.

Replace the DVD Main CBA.

Original DVD Main CBA is poor.

Replace the DVD Mecha.

No improvement can be found.

Ye s

FLOW CHART NO.15

The disc tray cannot be opened and closed. (It can be done using the remote control unit.)

Is the normal control voltage inputted to Pin(40) of

IC3001?

Refer to "FLOW CHART NO.16" <The disc tray

cannot be opened and closed.>

Replace the "OPEN/CLOSE" button (SW2209).

FLOW CHART NO.14

No operation is possible from the remote control unit.

Operation is possible from the DVD, but no

operation is possible from the remote control unit.

Replace the infrared remote control receiver (RM2001

Or replace the remote control unit.

Check the line between Pin(20) of IC2002 and

Pin(22) of CN1001, and service it if defective.

Is the "L" pulse sent out Pin(1) terminal of receiver

(RM2001) when the infrared remote control is activated?

Is the "L" pulse supplied to the Pin(22) of CN1001?

Replace DVD Main CBA.

Ye s

Is 5V voltage supplied to the Pin(3) terminal of

the infrared remote control receiver (RM2001)?

Ye s

Check P-ON+5V line and service it if defective.

Ye s

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Denon 2815 - DVM DVD Changer Service Manual Page 17