3-3. Camera Adjustment

3-3-11. CCD Output Level Adjustment

m

.Usually, this adjustment is not required.

Only when the output level of CCD unit is largely different from the specification, make the adjustment.

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

.It is advisable to use a reflection type grayscale chart for this adjustment. Further more, before adjustment, setting of the luminance (or brightness) on the chart surface and the color temperature setting are required. For details, refer to Section 3-1-5, “Maintaining the Grayscale Chart”.

Lightening:

3200K, 2000 lux

 

(When using the pattern box, set to

 

Auto mode.)

Object:

Grayscale chart

Equipment:

Oscilloscope

To be extended: VA-165 board (for DXC-D35/D35P) VA-185 board (for DXC-D35WS/D35WSP)

Preparation:

.OUTPUT/DL/DCC+ switch: CAM/DCC +

.W. BAL switch: PRESET

.Select a large lens iris to shoot the gray scale chart covering fully the underscanned frame.

(Refer to Section 3-1-4.)

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

Trigger: HD (TP72/EX-490 board)

3-12

Adjustment Procedure

1.

Test point:

TP15/EX-490 board

 

Adjusting point:

1RV1/PA-254 board

 

Specification:

A = 165 ± 5 mV

2.

Test point:

TP21/EX-490 board

 

Adjusting point:

1RV1/PA-256 board

 

Specification:

A = 165 ± 5 mV

RV1 (PA-254 board)

RV1 (PA-256 board)

DXC-D35/D35WS(UC)

DXC-D35P/D35WSP(CE) V1

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Sony DXC-D35 service manual CCD Output Level Adjustment, Lightening, Adjustment Procedure Test point