Color Reproduction Adjustment - Sony CCD-TRV32 Service Manual

11. Color reproduction adjustment

Purpose : Adjust the three primary color matrix
coefficients for correct color reproduction.
Adjustment error : Poor color reproduction.
Subject Color bar chart standard picture frame
Measurement Point VIDEO output terminal
(Terminated in 75Ω)
Measuring Instrument Vectorscope
Adjustment Page F
Adjustment Address 43, 44, 45, 46
Specification Value Each spot must be located within the
specified color reproduction zone on a
vectorscope display.
Note 1 : Confirm that the "Camera-shaking" correction to OFF.
(EXCEPT TRV14E MODEL)
Note 2 : Confirm that the "Digital Zoom" is turned OFF.
(EXCEPT TRV14E MODEL)
Adjustment procedure:
Order Page Address
1 6 00
2 6 42
3 6 03
4 F 80
5 F 80
6 6 01
43, 44
7 F
45, 46
Burst position
R-Y
R
MG
Y
L
G
PAL (510H/760H) MODEL
Processing after Adjustments:
Order Page Address
1 6 42
2 6 01
3 F 80
4 6 03
5 6 00
Related Adjustments:
"Auto white balance reference data input"
"Auto white balance adjustment"
Data
01 After setting the data, press the PAUSE button. (Preparation)
02 After setting the data, press the PAUSE button.
00 After setting the data, press the PAUSE button. (Setting)
Take note of the data.
00 After setting the data, press the PAUSE button.
37 After setting the data, press the PAUSE button.
Change the data so that red, yellow, magenta, green, cyan and blue
spot must be located within the specified color reproduction zone
on a vectorscope display. Press the PAUSE button for each address.
Burst position
B-Y
B
CY
Data
00 After setting the data, press the PAUSE button.
00 After setting the data, press the PAUSE button.
Set the data which is noted in step 4, then press the PAUSE
button.
10 After setting the data, press the PAUSE button. (Setting)
00 After setting the data, press the PAUSE button. (End)
Procedure
R-Y
R
MG
Y
L
B
CY
G
NTSC (510H) MODEL
Procedure
6-19
Condition
Weighting OFF mode.
R-Y
43, 44 : red
45, 46 : yellow
B-Y
43, 45
44, 46
B-Y