Power Supply During Repairs; How To Take A Cassette Out When The Main Power Cannot Be Turned On - Sony DCR-TRV9 Service Manual

DCR-TRV9/TRV9E
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 following battery switch using adhesive tape, etc.
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 (R) assembly. Apply +4.5
V power from an external power supply to the FP-594 flexible board
that is removed from CN3106 of the VC-206 board, as shown below.
Refer to sections 2-1 and 2-2 for the procedure to remove the cabinet
(R) assembly.
Procedure:
1) Open the cassette lid.
2) Apply +4.5 V directly to the FP-594 flexible board as shown to
drive the loading motor that ejects a cassette.
SERVICE NOTE
Battery terminal '
Battery switch
Battery SIG terminal
— 6 —
Battery terminal '
FP-594
flexible
1
Pins-24/-25
(wide pattern)
Pin-26/-27
(wide pattern)
: unloading
: loading
board
27