SONY DCRTRV900
Manual de Servicio

DCR-TRV890E/TRV900/TRV900E SERVICE NOTE
1. POWER SUPPLY DURING REPAIRS

In this unit, about 10 seconds after power is supplied (8.4V) to the battery terminal using the service power cord (J-6082-223-A), the power is shut off so that the unit cannot operate. This following two methods are available to prevent this. Take note of which to use during repairs.

Method 1.
Connect the servicing remote commander RM-95 (J-6082-053-B) to the LANC jack, and set the remote commander switch to the �ADJ� side.

Method 2.
Press the battery switch of the battery terminal using adhesive tape, etc.

Method 3.
Use the AC power adaptor.

2.

HOW TO TAKE A CASSETTE OUT WHEN THE MAIN POWER CANNOT BE TURNED ON

Note: To take a cassette out forcibly as follows when the main power cannot be turned on, remove the cassette lid, cabinet (L) and cabinet (R). Apply +4.5 V power from an external power supply to the loading motor, as shown below. Refer to sections 2-1 and 2-2 for the procedure to remove the cabinet (L) assembly.

Procedure: 1) Disconnect the CN2913 of VI-151 board. 2) Apply +4.5 V directly to the loading motor as shown to drive the loading motor that ejects a cassette.

Disconnect CN2913 of VI-151 board. Loading motor

DC power supply (+4.5V)

: loading : unloading

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