3-3-10. VF SYNC/BLKG Level Adjustment

3-3-11. CCD Output Level Adjustment

Equipment: Oscilloscope

To be extended: ES-22 board

Preparation: OUTPUT/DL/DCC+switch/camera side BARS

Trigger: HD (TP84/extension board)

Adjustment Procedure

1.SERVICE menu “PAGE 7”

VF SYNC

VF BLKG

Note: For the adjustment procedure, at the first “VF BLKG” adjustment is done, and next, “VF SYNC” adjustment is done.

2.Adjust the following items by UP 4 switch or DOWN $ switch.

Extension board (GND : TP81/ES-22 board)

Item

Test Point

Specification

VF BLKG

TP82

NTSC

: A = 50 ±10 mV

 

 

PAL

: A = 50 ±10 mV

 

 

 

 

VF SYNC

TP82

NTSC

: B = 286 ±10 mV

 

 

PAL

: B = 300 ±10 mV

[for NTSC]

 

[for PAL]

A

 

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Note : • Use a reflection type with chart for this adjustment, therefore, control the light so that the white area of chart is exactly 3200K of color temperature.

If use the pattern box, make sure that the color temperature must be 3200K.

Usually, this adjustment is not required. Only when the output level of CCD unit is large different from the specification.

When the new CCD unit of spare parts is replaced, this adjustment is not required because of the correct adjustment at the factory.

Object:

Grayscale chart

Equipment:

Oscilloscope

To be extended: VA-185 board

Preparation:

OUTPUT/DL/DCC+switch/camera side

CAM/DCC+

• WHITE BAL switch/camera side

PRESET

Chart frame = Underscanned monitor frame

Adjust the lens iris so that the video level at TP27/ extension board (VA-185 board) is 165 ±5 mV.

Trigger: HD (TP72/extension board)

Adjustment Procedure

1.Test point: TP15/extension board (VA-185 board) 1RV1/PA-219 (B) board

Specification : A = 165 ±5 mV

2. Test point: TP21/extension board (VA-185 board)

1RV1/PA-221 (R) board

Specification : A = 165 ±5 mV

CN2

RV1

CN1

CN3

PA-219 (B) BOARD - A SIDE -

PA-221 (R) BOARD - A SIDE -

DXC-D30WS/P(E)/V1

3-9

 

Page 85
Image 85
Sony DXC-D30WSP service manual VF SYNC/BLKG Level Adjustment, VF Sync → VF Blkg, → Cam/Dcc+, Specification a = 165 ±5 mV

DXC-D30WS, DXC-D30WSP specifications

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