Color Reproduction Adjustment - Sony DCM-M1 Service Manual

8 Color Reproduction Adjustment

Adjust the primary color separation matrix factor so that colors are reproduced correctly.
If deviated, colors are not reproduced correctly.
Color bar chart (PTB-450)
Subject
(Color reproduction adjusting frame)
VIDEO terminal of VIDEO/AUDIO terminals
Measuring point
(Camera-through screen)
Measuring instrument Vectorscope
Adjustment page 0F
Adjustment address 2E, 30, 44, 45
All color luminance points must fall in respective
Adjustment value
color reproduction frame
Adjusting method
Steps Page Address
1 06 00
2 06 01
3 0F 16
4
5 0F 5E
2E
30
6 0F
44
45
Processing after completion of adjustment
Steps Page Address
1 0F 5E
2 0F 16
3 06 00
4 06 01
Data
01 Press the y key.
Press the y key.
3D
Press the y key.
37
Adjusting the GAIN and PHASE of the vectorscope, adjust the burst luminance point to
the burst position of the color reproduction adjusting frame.
29 Press the y key.
Change the data so that each color luminance point falls within each color reproducible
area.
Note: Each time the data is changed, press the y key.
Unless this key is pressed, new data is not written.
Data
Press the y key.
2E
Press the y key.
33
Press the y key.
00
Press the y key.
00
R
Y
E
G
Burst position
Fig. 7-3-14
Work Description
Work Description
R-Y
M
G
B-Y
B
C
Y
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