Sony DCRTRV900 - MiniDV Handycam Digital Video Camcorder, Service Manual, Page: 134 / 215

5-31
3-1-2. Precautions on Adjusting
1) The adjustments of this unit are performed in the VTR mode
or camera mode.
To set to the VTR mode, set the power switch to “VTR” (or
“PLAYER”) or set the “Forced VTR Power ON mode” using
the adjustment remote commander (Note 1).
To set to the Camera mode, set the power switch to “CAMERA”
or set the “Forced Camera Power ON mode” using the
adjustment remote commander (Note 2).
After completing adjustments, be sure to exit the “Forced VTR
Power ON Mode” or “Forced Camera Power ON Mode”. (Note
3)
2) The front panel block (MA-333 board, microphone unit, focus
ring, focus switch) need not be connected except during
“Battery End Adjustment”, “IR Transmitter Adjustments” and
“Audio adjustments”. To remove, disconnect the following
connectors.
1. MA-333 board CN7304 (26P, 0.5mm)
3) The viewfinder (VF-121 board, LB-55 board) and upper cabinet
(LCD window, ED-48 board) are need be connected except
during “Battery End Adjustment”. 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)
4) Cabinet (R) (Camera function switch (CK-80 board), LCD
block, memory card slot) need not be connected except during
“Battery End Adjustment”. But 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 the 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.)
To remove the cabinet (R) and DC IN jack, disconnect the
following connectors.
1. VI-151 board CN2906 (60P, 0.5mm)
2. VC-208 board CN761 (60P, 0.5mm)
3. VI-151 board CN3201 (3P, 1.0mm)
5) For extension between the memory card slot(CK-80 board
CN7208) and VC-208 board (CN761), use the following
extension cable.
J-6082-431-A (60P, 0.5mm)
6) The lens block (CD-202 board) need not be connected except
during “Battery End Adjustment”. To remove, disconnect the
following connectors.
1. VC-208 board CN200 (40P, 0.5mm)
2. VC-208 board CN351 (8P, 0.5mm)
3. VC-208 board CN500 (26P, 0.5mm)
7) SE-75 board need not be connected except during “Battery End
Adjustment”. To remove, disconnect the following connectors.
VC-208 board CN400 (6P, 0.5mm)
8) When opening the VC-208 board, use the following extension
cable between the VC-208 board CN900 and VI-151 board
CN2901.
J-6082-432-A (100P, 0.5mm)
9) When opening the cabinet (L), use the following extension cable
between the JK-163 board CN7102 and VI-151 board CN2903.
J-6082-433-A (39P, 0.3mm)
Note 1:
Setting the “Forced VTR Power ON” mode (VTR mode)
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: 10, set data: 02, and press the PAUSE
button of the adjustment remote commander.
The above procedure will enable the VTR power to be turned
on with the power switch block (FK-4880) removed.
After completing adjustments, be sure to exit the “Forced Power
ON mode”.
Note 2: Setting the “Forced Camera Power ON” mode (Camera 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 power switch block (FK-4880) removed.
After completing adjustments, be sure to exit the “Forced Power
ON mode”.
Note 3: Setting the “Forced Memory Power ON” mode (Memory mode)
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, address: 10, set data: 05, and press the PAUSE
button of the adjustment remote commander.
The above procedure will enable the memory power to be turned
on with the power switch block (FK-4880) removed.
After completing adjustments, be sure to exit the “Forced Power
ON mode”.
Note 4:
Exiting the “Forced 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.