Sony DVW-790WS/790WSP manual Power System Adjustment, Battery End Detection Voltage Adjustment

: 11.28 ± 0.02 V DC

: 11.28 ± 0.02 V DC

6-2. Power System Adjustment

6-2. Power System Adjustment

6-2-1. Battery End Detection Voltage Adjustment

Preparation

.Connect as follows.

DIGITAL

VOLTMETER

DC IN	REGULATED
	DC POWER SUPPLY

DVW-790WS/709WS/707

DVW-790WSP/709WSP/707P

.Supply +12 V DC to the DC IN connector.

Adjustment Procedure

1.Insert a work tape*1 (BCT-D40) and enter the recording mode.

*1 : A work tape that is not used so many times is desired.

The already recorded tape can be used. However, note that the previous signals will be erased during adjustment.

Check Procedure

1.Enter the STOP mode.

2.Turn the POWER switch off and back on.

3.Enter the REC mode.

4.Measurement point : DC IN connector

Adjust the output voltage of the external regulated DC power supply until the following specification is satis- fied:

Spec.

5. Check the display window.

BATT level meter : The three indicators on the left turn on.

6.Increase the output voltage of the external regulated DC power supply gradually until seven indicators (FULL) of the BATT level meter turn on. Measure the output voltage of the external regulated DC power and confirm that the following specification is now satisfied:

Spec. : 11.98 ± 0.02V

2.Measurement point : DC IN connector

Adjust the output voltage of the external regulated DC power supply until the following specification is satis- fied:

Spec.

3. Press the DIAG button (inside panel) to enter the DIAG

menu.

BATT level meter

DIAG PB VITC NDF EXT-LK HOLD

V

H

H MIN SEC FRM

TAPE E B

BATT E F

RF SERVO HUMID SLACK

OVER EMPH OVER

0

10

20

30

40

.

1 PEAK dB 2

4. Keep pressing the HOLD button (inside panel) and con-

firm that the WARNING indicator turns on momentari-

ly.

If not, repeat the adjustment from step 1.

Display window

6-2	DVW-790WS/709WS/707
	DVW-790WSP/709WSP/707P P2V1