Sony DVW-709WS/709WSP, DVW-790WS/790WSP R/B AD Gain Adjustment, Knee → OFF, Test SAW → OFF Gamma

7-8. R/B AD Gain Adjustment

7-8. R/B AD Gain Adjustment

Note

.This adjustment is needed only when the AD board or

the VA board is replaced. Do not make any attempt to touch on this adjustment in any other cases.

.Never make any attempt to change the G AD gain data during this adjustment.

Preparation

.Connect a waveform monitor to the TEST OUT and

vector monitor to the VIDEO OUT connectors respec- tively.

.WHITE BAL switch (inside panel) → PRST

.On the setup menu, set as follows.

PAGE		: S12*FUNCTION 1/2
ITEM		: TEST SAW	→ ON
ITEM		: GAMMA	→ OFF
PAGE		: S21*LEVEL 4
ITEM		: KNEE	→ OFF
Adjustment Procedure
1. On the setup menu, adjust as follows.
PAGE		: S54*AD ADJ.
ITEM		: R AD GAIN
Spec.		: Adjust the illuminated spot at the center
		of the vector monitor.
	MG
	R		R		MG
YL			YL
		B			B
G	CY		G	CY
(For NTSC)			(For PAL)

4.Make sure that the carrier leakage at portion B is not observed.

B

Setting After Adjustment

.On the setup menu, set as follows.

PAGE	: S12*FUNCTION 1/2
ITEM	: TEST SAW	→ OFF
ITEM	: GAMMA	→ ON
PAGE	: S21*LEVEL 4
ITEM	: KNEE	→ ON

2. On the setup menu, adjust as follows.

PAGE	: S54*AD ADJ.
ITEM	: B AD GAIN
Spec.	: Adjust the illuminated spot at the center
	of the vector monitor.

3.Repeat steps 1 and 2 several times, adjust the illumi- nated spot at the center of the vector monitor.

DVW-790WS/709WS/707 7-13

DVW-790WSP/709WSP/707P P2V1