DVP-NS72HP, DVP-NS77H, DVP-NS77HP, DVP-NS78H, DVP-NS78HP - Sony DVD Service Manual (repair manual). Page 5

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1) Open dust cover to access to a hole insert a tapering driver into the aperture of the unit bottom, and move the lever of chuck can in the direction

of the arrow A. (See Fig. 1)

2) Draw out the tray in the direction of the arrow B, and remove a disc. (See Fig. 1)
3) After removing the disc, push in the direction of arrow C until the tray fully in.
4) Move the lever of chuck cam in the direction of arrow D.

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When "TRAY LOCKED" appears on the front panel display, Tray Lock is activated. In order to disable it, press and hold x STOP, H PLAY
and A EJECT on the player during standby mode until "TRAY UNLOCKED" appears on the front panel display.

Note:
i. Tray Lock is set when you press x STOP, H PLAY and A EJECT on the player during standby mode until "TRAY LOCKED" appears

on the front panel display.

ii. Tray Lock can not be disabled by just disconnecting the player from the wall outlet (AC power source).
iii. The A and Z buttons on the player or the remote do not work while the Tray Lock is set.

When "LOCKED" appears on the front panel display, Child Lock is activated. In order to disable it, either

1) Press O RETURN, ENTER and then ?/1 on the remote when the player is in standby mode.

The player turns on and "UNLOCKED" appears on the front panel display; or

2) Disconnect the player from the wall outlet (AC power source).

Note:
i. Child Lock is set when you press O RETURN, ENTER, and then ?/1 on the remote during player in standby mode.
ii. The A and Z buttons on the player or the remote do not work while the Child Lock is set.

Tray

A

D

B

C

The lever of a chuck cam

Hole