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  No Disc Fault in DVD Player

Identification of the No Disc Fault and Operation of a DVD Player:

To rectifying the no disc fault of in a DVD player and rectify.

Components Needed:

S. No.

Name of the Component/Apparatus

Quantity

1.

2.

3.

4.

DVD Player

MP3 disc

Television

Multimeter

1

1

1

1

Identification of the fault in a given DVD player:

1. Connect a needed power supply with DVD player and television.

2. Build the connection with appropriate probes between DVD and with television.

3. Switch ON both of the T.V and DVD.

4. Open the door of the DVD disc and keep a MP3 disc.

5. DVD and TV display "No-disc" in the screen.

6. Thus confirm the fault is "No-disc".

Common reason for this type of fault:

1. In DVD player the disc is in incorrect position (up and down).

2. Driver (or) motor speed is not sufficient.

3. The laser beam is not fall on the disc, In DVD player.

4. The optical lens in the player does not focus the laser beam that falls on the disc.

5. Thus it is confirm the optical lens is fault.

Process of rectifying the faults:

1. It is found that just only the optical lens is fault.

2. Thus replace the fault lens with new (same power) lens.

3.  Now the disc is playing and the screen displays the picture.

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