Camera System Electrical Alignment (Only For Dvw-790Ws/790Wsp/709Ws/709Wsp); General Information For Electrical Adjustment; Note For Adjustment; Equipment/Fixtures - Sony DIGITAL BETACAM DVW-707 Maintenance Manual

(Only for DVW-790WS/790WSP/709WS/709WSP)
4-1. General Information for Electrical
Adjustment
This section describes adjustments that are required when
lens is attached or replaced.

4-1-1. Note for Adjustment

Before adjustment, set the main POWER switch to on and
the VTR switch to SAVE, then warm up the camcorder for
about 10 minutes.
Be sure to turn off the power before extending the plug-in
board using the extension board.
Indication at the Top Right on the Viewfinder Screen
In adjustment on the setup menu, bars sometimes appear at
the top right on the viewfinder screen. The bars indicate the
current setting state and adjustable range for the selected item.
Screen Mode Setting
Sets the screen mode as follows before performing the
adjustment of the each page.
1. Setup menu
PAGE : E14*WIDE SCREEN
ITEM : 16:9/4:3 MODE
2. Sets the screen mode as in the each page.
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Some adjustment steps do not give the description of
screen mode. In this case, you can select either 16:9 or
4:3 mode during adjustment.
Screen mode
4:3 : Perform adjustment after switched to
the 4:3 mode.
16:9 : Perform adjustment after switched to
the 16:9 mode.
16:9 and 4:3 : Perform adjustment after switched first
to the 16:9 mode. Upon completion of
adjustment in the 16:9 mode, perform
adjustment in the 4:3 mode.
Example:
6-4. VA Gain Adjustment
Note
DVW-790WS/709WS/707
DVW-790WSP/709WSP/707P P1
Section 4
Camera System Electrical Alignment
Screen mode
16:9 mode

4-1-2. Equipment/Fixtures

. Oscilloscope
Tektronix 2465 or equivalent
. Waveform/Vector monitor
Tektronix 1780R/1751 or equivalent
. Color Monitor
Sony BVM-1410/1411P or equivalent
. Black and white monitor
. Pattern box (PTB-500, 90 - 240 Vac)
J-6029-140-B
. Grayscale chart (4:3)
Transparent type : J-6026-130-A
Reflective type : Commercially available on market
(Refer to section 4-1-4.)
. Grayscale chart (16:9)
Transparent type : J-6394-080-A

4-1-3. Initial Setting for Switches

Execute the camera system alignment by entering the
engineer mode of the setup menu. When the engineer
mode is entered, set switches as follows.
For details on the setup menu, refer to Section 3.
1. Set the POWER switch to off.
2. While holding down the rotary encoder, turn the power
ON.
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When an item is adjusted in the engineer mode, the value
of this item adjusted in the user mode is reset to 0.
4-1