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

n

Use the vectorscope conforming to setup “7.5 IRE”. (for NTSC)

Equipment: Verctorscope

To be extended: ES-32 board (for DXC-D35/D35P) ES-33 board (for DXC-D35WS/D35WSP)

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: BARS

Test point: VIDEO OUT connector

Adjustment Procedure

1.[for NTSC]

SERVICE menu “PAGE 7” B-Y BST

Adjust by the UP switch or DOWN switch so that burst spot is located at 75 % scale mark on the vector- scope screen.

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

[for PAL]

SERVICE menu “PAGE 7”

3-3. Camera Adjustment

2.Adjust the adjusting volume controls below to enter the beam spot of each color within the area “ 4” specified for each color on the vectorscope screen.

1RV503 (B-Y LEV)

/ES-32 board (DXC-D35/D35P) /ES-33 board (DXC-D35WS/D35WSP)

1FL502 (PHASE)

/ES-32 board (DXC-D35/D35P) /ES-33 board (DXC-D35WS/D35WSP)

1RV504 (CHROAMA VBS LEV)

/ES-32 board (DXC-D35/D35P) /ES-33 board (DXC-D35WS/D35WSP)

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

 

 

 

 

R-Y BST B-Y BST

Adjust “R-Y BST” and “B-Y BST” alternately by UP switch or DOWN switch so that burst spot is

located at 75 % scale mark on the vectorscope screen.

1

2

3

4

5

6

AB

FL502

CN501

CD

RV501 RV502 RV505 RV504 RV503

TP501

E501

DXC-D35/D35WS(UC)

ES-32 board (A side) (DXC-D35/D35P) ES-33 board (A side) (DXC-D35WS/D35WSP)

3-9

DXC-D35P/D35WSP(CE) V1

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Image 109
Sony DXC-D35 service manual Chroma VBS Level Adjustment, RV504 Chroama VBS LEV, → R-Y Bst B-Y Bst