Power Supply During Repairs; How To Take A Cassette Out When The Main Power Cannot Be Turned On - Sony DCR-TRV5 Service Manual

DCR-TRV5/TRV5E
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.
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 CN3106 of VC-207 board.
2) Apply +4.5 V directly to the FP-594 flexible board as shown to
drive the loading motor that ejects a cassette.
Disconnect CN3106
of VC-207 board.
SERVICE NOTE
Loading motor
— 6 —
(DC power supply)
(+ 4.5V)
: loading
: unloading