Service Note; Power Supply During Repairs; To Take Out A Cassette When Not Eject - Sony GV-D200 Service Manual

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 code (J-6082-223-A), the power
is shut off so that the unit cannot operate.
These following two methods are available to prevent this. Take note of which to use during repairs.
Method 1:
Connect the adjustment remote commander RM-95 (J-6082-053-B) to the LANC jack, and set the HOLD switch to the "ADJ" side.
Method 2:
Use the DC IN terminal. (Use the AC power adaptor. (AC-L10, AC-VQ800 etc.))
2. TO TAKE OUT A CASSETTE WHEN NOT EJECT (FORCE EJECT) (1)
1 Remove the power supply (Battery or AC power adaptor).
2 Push the EJECT switch and open the cassette lid.
3 Refer to 2-2. to remove the cabinet (lid) assembly.
4 Refer to 2-2. to remove the cabinet (bottom) assembly.
5 Add 5V from the regulated power supply between Pin 5, 6 of CN4401 (ULD5V +) and Pin 7, 8 of CN4401 (ULD5V –), and unload
the cassette.

SERVICE NOTE

VC-250 board
— 6 —
CN4401
8 1
ULD
5V
Regulated
power supply (+5V)