3-3-6. Chroma (VBS) Level Adjustment

Equipment: Verctorscope

To be extended: ES-22 board

Preparation:

GAIN switch/Verctorscope 75 % CAL

Adjust the PHASE control on the vectorscope so that the burst spot is overlapped to the 75 % axis.

OUTPUT/DL/DCC+switch/camera side BARS

Test point: VIDEO OUT connector/camera side

Adjustment Procedure:

1.[for NTSC]

SERVICE menu “PAGE 7”

B-Y BST :

Note: In case of NTSC, make sure that “R-Y BST” must be “0”.

Adjust the UP 4switch or DOWN $ switch so that burst spot is located at 75 % scale mark on the vectorscope screen.

[for PAL]

• SERVICE menu “PAGE 7”

R-Y BST :

B-Y BST :

Adjust “R-Y BST” and “B-Y BST” alternately by UP 4 switch or DOWN $ switch so that burst spot is located at 75 % scale mark on the vectorscope screen.

2.Adjust the following controls alternately so that each beam spot stays inside the reference frame “ 4”.

1RV503 (B-Y LEV)/ES-22 board

1FL502 (PHASE)/ES-22 board

1RV504 (CHROMA VBS LEV)/ ES-22 board

3.Then, perform above procedure item 1 again.

[for NTSC]

 

[for PAL]

 

 

MG

 

R

 

 

R

 

MG

 

 

 

 

 

 

 

75%

 

YL

 

YL

100%

 

 

 

 

 

B

 

 

B

G

CY

G

CY

 

 

 

 

3-3-7. Y (VBS) Level Adjustment

Equipment: Waveform monitor

To be extended: ES-22 board

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

Test point: VIDEO OUT connector/camera side

Adjustment Procedure

1.[for NTSC]

• SERVICE menu “PAGE 9”

SET UP : ON MAT DEST : SMPTE

• SERVICE menu “PAGE 5”

S-UP LVL :

Adjust the UP 4 switch or DOWN $ switch. Specification : A = 7.5 ±0.5 IRE (See below

waveform) ---- NTSC only

[for PAL]

SERVICE menu “PAGE 9”

COMP LVL : 525 (not 700)

2.Adjusting point: 1RV501 (Y LEVEL)/ES-22 board

Specification:

[for NTSC]

B = 100

±2 IRE

 

[for PAL]

B = 700

±10 mV

[for NTSC]

 

[for PAL]

FL501

 

 

 

 

 

 

 

 

 

DL503

CN501

 

 

 

 

 

 

 

FL502

 

 

 

DL501

 

 

 

 

 

 

 

 

 

DL504

 

 

 

FL503

 

 

DL502

 

RV503

RV505

RV501

E1

B-Y LEV

C (Y-C)

Y (VBS)

TP1

 

 

 

 

 

 

RV504

RV502

 

 

C (VBS)

Y (Y-C)

ES-22 BOARD -A SIDE-

 

 

 

 

DXC-D30WS/P(E)/V1

3-7

 

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Sony DXC-D30WSP Chroma VBS Level Adjustment, To be extended ES-22 board Preparation, → SET UP on MAT Dest Smpte

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