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)
7-1. General Information for Electrical
Adjustment
This section describes adjustment items that are required af-
ter this unit repair is repaired or its board is replaced.

7-1-1. 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.
Screen mode
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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.
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:
7-9. VA Gain Adjustment
Note
DVW-790WS/709WS/707
DVW-790WSP/709WSP/707P P2V1
Section 7
Camera System Electrical Alignment
Screen mode
16:9 mode

7-1-2. 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
. Multiburst chart : J-6026-110-A
. Grayscale chart (4:3)
Transparent type : J-6026-130-B
Reflective type : Commercially available on market
(Refer to Section 7-1-4.)
. Grayscale chart (16:9)
Transparent type : J-6394-080-A

7-1-3. Initial Switch Settings

Some adjustments of the Camera System Electrical
Alignment require the service mode of the setup menu to
be used. Enter the service mode as follows.
Refer to Section 2 for details of the setup menu.
1. Turn off the POWER switch.
2. Set switch S4-1 on the DCP-17 board to the ON
position.
3. Turn the POWER switch back on.
4. Set the switch MENU ON/OFF/PAGE on the inside
panel to the ON position.
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When any item is adjusted in the service mode, the values
of the adjusted item in the engineer mode and user mode
are re-set to 0.
7-1