Sony DVW-709WS/709WSP manual General Information for Electrical Adjustment, Equipment/Fixtures

Section 7

Camera System Electrical Alignment

(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 n

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.

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.

n

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.

Example:

Screen mode

7-9. VA Gain Adjustment

16:9 mode

Note

DVW-790WS/709WS/707 7-1

DVW-790WSP/709WSP/707P P2V1