Sony DVW-790WS/790WSP, DVW-709WS/709WSP manual Video OUT, GEN SC Lock OUT

8-2. VCO CONT Frequency Check

8-3. AD Clock Phase Adjustment

8-2. VCO CONT Frequency Check

Note

.Conduct this check when the TG-206/206P, ES-23/23P boards or CCD block is only replaced.

.Before measurement, turn the power ON and warm up the camcorder for about 10 munites.

8-3. AD Clock Phase Adjustment

Note

Conduct this check when the CCD block or DCP-17 board is only replaced.

Preparation

Preparation

.Connect as follows.

VIDEO

OUT

DVW-707/707P

GEN SC LOCK OUT

SG

IN

Frequency counter

.On the setup menu, set as follows.

PAGE	: S12*FUNCTON 1/2
ITEM	: TEST OUT → ENC

.OUTPUT/DCC switch (inside panel) → CAM/ON

.WHITE BAL switch (inside panel) → A

.AUTO W/B BAL switch (front panel) → WHT (Perform the automatic white balance adjustment.)

.Shoot a multiburst chart in the underscanned monitor frame.

.On the setup menu, set as follows.

PAGE	: S12*FUNCTON 1/2
ITEM	: TEST OUT → ENC
Adjustment Procedure
1. Equipment	: Frequency counter, Oscilloscope
Test point	: VIDEO OUT connector
GND	: E1 (DCP-17 board)
Spec.	: 3,579,545	± 10 Hz (NTSC)
	4,433,618	± 5 Hz (PAL)

If the measured value is out of the specification, adjust it as follows.

2. On the setup menu, adjust as follows.
PAGE	: S40*ENC ADJ.
ITEM	: INT SC FREQUENCY
Spec.	: 3,579,545 ± 10 Hz (NTSC)

4,433,618 ± 5 Hz (PAL)

C D E F

B

1

A

2

E1

3

4

5

6

Equipment	: Waveform monitor
Test point	: TEST OUT connector
setting point	: 1Lens IRIS
Spec.	: A (white level) = 90 ± 2 IRE (NTSC)

A = 630 ± 10 mV (PAL)

A

5 MHz

.Pan the camera so that the 5 MHz signal portion of the multiburst chart is positioned at the center of the monitor screen. (Do not change the camera zoom.)

Adjustment Procedure

1. On the setup menu, adjust as follows.

PAGE	: S54*AD ADJ.
ITEM	: AD CLOCK PHASE
Spec.	: Maximize the 5 MHz signal portion.
2. On the setup menu, adjust as follows.
PAGE	: S54*AD ADJ.
ITEM	: R/B CLOCK PHASE
Spec.	: Adjust the 5 MHz signal portion to
	nearly horizontal.

NG OK

5 MHz

8-4

DCP-17 board (A side)

DVW-790WS/709WS/707

DVW-790WSP/709WSP/707P P2V1