Preparations - Sony DCR-TRV890E 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-
3.
2) The front panel block (MA-333 board, focus ring, focus switch,
ND filter switch, microphone unit) must be assembled because
the focus ring and ND filter switch are used for adjustments.
3) The viewfinder (VF-121 board, LB-55 board) and upper cabinet
(LCD window, ED-48 board) are need be connected. To remove
them, disconnect the following connectors.
1. VI-151 board CN2905 (20P, 0.5mm)
2. CK-80 board CN7207 (24P, 0.5mm)
3. CK-80 board CN7203 (5P, 0.5mm)
Note 3: As removing the cabinet (R) (removing the VI-151 board CN2906)
means removing the lithium 3V power supply (BT7200), 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 operation switch block (FK-4880) 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.
Pattern box
Front of the lens
5-2
95 cm
Fig. 5-1-2.