Hd / 525Ip / 625Ip Panel White Balance - Panasonic TH-65PHD8BK Service Manual

TH-65PHD8BK / TH-65PHD8EK / TH-65PHD8UK

11.2. HD / 525ip / 625ip panel white balance

INPUT
1 Color
HD
(YUV2_HD) Analyzer
Gray Scale
Pattern
High light 75%
Low light 15%
2
3
· YUV1_525ip
4
· YUV3_625ip
Equipment Setting
Picture menu:
Standard
Picture:
25
Color temperature:
Cool
Aspect:
Full
POS./Sise:
Normal
Component/
RGB-IN Select:
COMPONENT
IIC mode:
Panel W/B Adj
Picture menu:
Standard
Picture:
25
Color temperature:
Normal
Aspect:
Full
POS./Sise:
Normal
Picture menu:
Standard
Picture:
25
Color temperature:
Warm
Aspect:
Full
POS./Sise:
Normal
Alignment menu
Note: · Before adjustment, color signal has not been displayed
on panel.
· The pedestal adjustment has been done.
· The signal root must be A side.
PANEL W/B
G cut off 1) Set G cut off to " 80 ".
2)Find 75% (amplitude) of white area by color sensor.
PANEL W/B
G Drive 3) Set G Drive to " E0 ".
PANEL W/B
B Drive 4) Adjust B and R Drive to set the High color temperature
R Drive as shown Table 1.
PANEL W/B
R,G,B Drive 5) Increase equaly R, G and B Drive to get the
largest level of 3 color drive to "FC".
Color Temp.
Cool(Hi)
Normal(Mid)
Warm(Low)
1) Change color temperature to "Normal".
PANEL W/B
G cut off 2) In Mid color temperature, repeat the procedures 1) to 5) of
Cool mode.
PANEL W/B
R,G,B Drive
1) Change color temperature to "Warm".
PANEL W/B
G cut off 2) In Low color temperature, repeat the procedures 1) to 5) of
Cool mode.
PANEL W/B
R,G,B Drive
1) Copy the R drive, G drive and B drive data obtained in above
steps into YUV1_525ip, YUV3_625ip area.
34
Procedure
x y
0.276 0.276
0.288 0.296
0.313 0.329
Table 1 W/B adjustment values