Preparations; How To Make The Dc Cable - Sony DSR-250 Service Manual

1-1-2.

Preparations

Note 1: For details of how remove the cabinet and boards, refer to "2.
DISASSEMBLY".
Note 2: When performing only the adjustments, the lens block and boards
need not be disassembled.
1) Connect the equipment for adjustments according to Fig. 5-1-4.
Note 3: As removing the cabinet (R) (removing the VI-156 board CN014)
means removing the lithium 3V power supply (SW-343 board
BT501), data such as date, time, user-set menus will be lost. After
completing adjustments, reset these data. If the cabinet (R) has
been removed, the self-diagnosis data, data on history of use (total
drum rotation time etc. ) will be lost. Before removing, note down
the self-diagnosis data and the data on history use (data of page:
2, address: A2 to AA). (Refer to "SELF-DIAGNOSIS
FUNCTION" for the self-diagnosis data, and to "5-4.Service
Mode" for the data on the history use.)
Note 4: Setting the "Forced Camera Power ON" Mode
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: 10, set data: 01, and press the PAUSE
button of the adjustment remote commander.
The above procedure will enable the camera power to be turned
on with the cabinet (R) assembly removed. After completing
adjustments, be sure to exit the "Forced Camera Power ON
Mode".
Note 5: Exiting the "Forced Camera Power ON" Mode
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: 10, set data: 00, and press the PAUSE
button of the adjustment remote commander.
3) Select page: 0, address: 01, and set data: 00.
1-1-3.

How to make the DC cable

Cut the connecting cable (1-783-189-11), and connect
the regulated power supply to the circular connector
(receptacle) as shown in the following figure.
Regulated
power supply
(12V)
GND
Need not
connected
Fig. 5-1-3.
Circular connector (Receptacle)
Red
Black
Shield
Black
Black
Pattern box
Front of the protection glass
5-6
95cm
Fig. 5-1-2.