Panasonic TH-50PHD8BK / TH-50PHD8BS / TH-50PHD8EK / TH-50PHD8ES Service Manual ▷ View online
11 Alignment
11.1. PC / RGB panel white balance
1 PC (VGA)
Color
Gray Scale
Analyzer
Pattern
IIC mode:
Panel W/B Adj
Component/
RGB-IN Select:
RGB-IN Select:
RGB
Cool
Picture menu:
Standard
Color temperature:
Normal
POS./Size:
Picture:
Aspect:
Full
25
1) Set G cut off to " 80 ".
Note: · Before adjustment, color signal has not been displayed
on panel.
· The pedestal adjustment has been done.
· The signal root must be A side.
· The pedestal adjustment has been done.
· The signal root must be A side.
High light 75%
Low light 15%
2)Find 75% (amplitude) of white area by color sensor.
PANEL W/B
G cut off
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.
x
y
Cool(Hi)
0.276
0.276
Normal(Mid)
0.288
0.296
Warm(Low)
0.313
0.329
Table 1 W/B adjustment values
2
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
3
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
4
1) Copy the R drive, G drive and B drive data obtained in above
steps into NTSC, PAL and DVI area.
INPUT
Alignment menu
Procedure
Equipment
Setting
· NTSC
· PAL
· DVI
· PAL
· DVI
Warm
Picture menu:
Standard
Color temperature:
Normal
POS./Size:
Picture:
Aspect:
Full
25
Normal
Picture menu:
Standard
Color temperature:
Normal
POS./Size:
Picture:
Aspect:
Full
25
29
TH-50PHD8BK / TH-50PHD8BS / TH-50PHD8EK / TH-50PHD8ES
R
A0-11AD
A0-11B0
A0-11B3
G
A0-11AE
A0-11B1
A0-11B4
B
A0-11AF
A0-11B2
A0-11B5
Color temperature
High
Medium
Low
Table 2 Drive data addresses (PC/RGB)
R
A0-1180
A0-1183
A0-1186
G
A0-1181
A0-1184
A0-1187
B
A0-1182
A0-1185
A0-1188
Color temperature
High
Medium
Low
Table 3 Drive data addresses (NTSC)
R
A0-1189
A0-118C
A0-118F
G
A0-118A
A0-118D
A0-1190
B
A0-118B
A0-118E
A0-1191
Color temperature
High
Medium
Low
Table 4 Drive data addresses (PAL)
R
A0-11B6
A0-11B9
A0-11BC
G
A0-11B7
A0-11BA
A0-11BD
B
A0-11B8
A0-11BB
A0-11BE
Color temperature
High
Medium
Low
Table 5 Drive data addresses (DVI)
30
TH-50PHD8BK / TH-50PHD8BS / TH-50PHD8EK / TH-50PHD8ES
11.2. HD / 525ip / 625ip panel white balance
HD
(YUV2_HD)
Gray Scale
Pattern
(YUV2_HD)
Gray Scale
Pattern
High light 75%
Low light 15%
1
Color
Analyzer
Analyzer
IIC mode:
Panel W/B Adj
Component/
RGB-IN Select:
RGB-IN Select:
COMPONENT
Picture menu:
Standard
Color temperature:
Picture:
Cool
POS./Sise:
Normal
Aspect:
Full
25
1) Set G cut off to " 80 ".
Note: · Before adjustment, color signal has not been displayed
on panel.
· The pedestal adjustment has been done.
· The signal root must be A side.
· The pedestal adjustment has been done.
· The signal root must be A side.
2)Find 75% (amplitude) of white area by color sensor.
PANEL W/B
G cut off
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.
x
y
Cool(Hi)
0.276
0.276
Normal(Mid)
0.288
0.296
Warm(Low)
0.313
0.329
Table 1 W/B adjustment values
2
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
3
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
4
1) Copy the R drive, G drive and B drive data obtained in above
steps into YUV1_525ip, YUV3_625ip area.
INPUT
Alignment menu
Procedure
Equipment
Setting
· YUV1_525ip
· YUV3_625ip
· YUV3_625ip
Picture menu:
Standard
Color temperature:
Picture:
Warm
POS./Sise:
Normal
Aspect:
Full
25
Picture menu:
Standard
Color temperature:
Picture:
Normal
POS./Sise:
Normal
Aspect:
Full
25
31
TH-50PHD8BK / TH-50PHD8BS / TH-50PHD8EK / TH-50PHD8ES
R
A0-119B
A0-119E
A0-11A1
G
A0-119C
A0-119F
A0-11A2
B
A0-119D
A0-11A0
A0-11A3
Color temperature
High
Medium
Low
Table 2 Drive data addresses (YUV2_HD)
R
A0-1192
A0-1195
A0-1198
G
A0-1193
A0-1196
A0-1199
B
A0-1194
A0-1197
A0-119A
Color temperature
High
Medium
Low
Table 3 Drive data addresses (YUV1_525ip)
R
A0-11A4
A0-11A7
A0-11AA
G
A0-11A5
A0-11A8
A0-11AB
B
A0-11A6
A0-11A9
A0-11AC
Color temperature
High
Medium
Low
Table 4 Drive data addresses (YUV3_625ip)
32
TH-50PHD8BK / TH-50PHD8BS / TH-50PHD8EK / TH-50PHD8ES
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