Alignment; Pc / Rgb Panel White Balance - Panasonic TH-37PHD8GK Service Manual

12 Alignment

12.1. PC / RGB panel white balance

INPUT Equipment
1 PC (VGA) Color
Gray Scale Analyzer
Pattern
High light 75%
Low light 15%
2
3
· NTSC
4
· PAL
· DVI
Setting Alignment menu
Picture menu:
Standard
Picture:
PANEL W/B
25
G cut off
Color temperature:
Cool
Aspect:
Full
PANEL W/B
POS./Size:
G Drive 3) Set G Drive to " E0 ".
PANEL W/B
Normal
B Drive 4) Adjust B and R Drive to set the High color temperature
Component/
R Drive
RGB-IN Select:
RGB
IIC mode:
Panel W/B Adj
PANEL W/B
R,G,B Drive 5) Increase equaly R, G and B Drive to get the
Picture menu:
Standard
PANEL W/B
G cut off 2) In Mid color temperature, repeat the procedures 1) to 5) of
Picture:
25
PANEL W/B
Color temperature: R,G,B Drive
Normal
Aspect:
Full
POS./Size:
Normal
Picture menu:
Standard PANEL W/B
G cut off 2) In Low color temperature, repeat the procedures 1) to 5) of
Picture:
25
PANEL W/B
Color temperature: R,G,B Drive
Warm
Aspect:
Full
POS./Size:
Normal
TH-37PHD8GK / TH-37PHD8GS / TH-37PHD8UK / TH-42PHD8GK / TH-42PHD8GS / TH-42PHD8UK
Note: · Before adjustment, color signal has not been displayed
on panel.
· The pedestal adjustment has been done.
· The signal root must be A side.
1) Set G cut off to " 80 ".
2)Find 75% (amplitude) of white area by color sensor.
as shown Table 1.
largest level of 3 color drive to "FC".
Color Temp. x
Cool(Hi) 0.276
Normal(Mid) 0.288
Warm(Low) 0.313
Table 1 W/B adjustment values
1) Change color temperature to "Normal".
Cool mode.
1) Change color temperature to "Warm".
Cool mode.
1) Copy the R drive, G drive and B drive data obtained in above
steps into NTSC, PAL and DVI area.
45
Procedure
y
0.276
0.296
0.329