In this unit, about 10 seconds after power is supplied (4.2V) to the battery terminal using the regulated power supply, 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.
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 cabinet (L) assembly. 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 CN2504 of the MR-40 board. 2) Apply +4.5 V directly to the loading motor as shown to drive the loading motor that ejects a cassette.