Panasonic TH-37PV7F / TH-37PV7P / TH-37PX7B / TH-37PX7E / TH-42PV7F / TH-42PV7P / TH-42PX7B / TH-42PX7E Service Manual ▷ View online
11.4. Adjustment Volume Location
11.5. Test Point Location
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TH-37PV7F / TH-37PV7P / TH-37PX7B / TH-37PX7E / TH-42PV7F / TH-42PV7P / TH-42PX7B / TH-42PX7E
12 Adjustment
12.1. Sub-Contrast adjustment
Name of measuring instrument
Connection
Remarks
RF generator
Base Band generator
Base Band generator
Preparation (AV)
Remarks
1.
Receive AV1 (PAL 100% Full White or Split Colour bar shown as below) .
2.
Goes into service mode.
3.
Push “1” or “2” key, and goes into service mode for “Sub-Contrast”.
Adjustment of AV system
Remarks
1.
The colour key yellow button of remote control is pushed.
2.
The OSD character of sub-contrast becomes red.
(Inside under automatic adjustment)
3.
The OSD character of sub-contrast returns to black.
4.
End.
Preparation (RF)
Remarks
1.
Receive RF (PAL 100% Full White or Split Colour bar shown as below.)
2.
Goes into service mode.
3.
Push “1” or “2” key, and goes into service mode for “Sub-Contrast”.
Adjustment of RF system
Remarks
1.
The colour key yellow button of remote control is pushed.
2.
The OSD character of sub-contrast becomes red.
(Inside under automatic adjustment)
3.
The OSD character of sub-contrast returns to black.
4.
End.
Preparation (HD)
Remarks
1.
Receive Component
(1080i/ 60Hz or 1080i/ 50Hz, 100% Full White or Split colour bar as shown below.)
2.
Goes into service mode.
3.
Push “1” or “2” key, and goes into service mode for “Sub-Contrast”.
Adjustment of HD system
Remarks
1.
The colour key yellow button of remote control is pushed.
2.
The OSD character of sub-contrast becomes red.
(Inside under automatic adjustment)
3.
The OSD character of sub-contrast returns to black.
4.
End.
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TH-37PV7F / TH-37PV7P / TH-37PX7B / TH-37PX7E / TH-42PV7F / TH-42PV7P / TH-42PX7B / TH-42PX7E
12.2. PAL panel white balance adjustment
Instrument Name
Connection
Remarks
·
·
·
· W/B pattern
·
·
·
· Color analyzer (Minolta CA-100 or equivalent)
RF input
Panel surface
Panel surface
User setting: Normal
Procedure
Remarks
·
·
·
· Asing time is longer than 15min.
·
·
·
· Make sure the front panel to be used on the final set is fitted.
·
·
·
· Make sure a color signal is not being shown before adjustment.
·
·
·
· Put the color analyzer where there is little colour variation.
Complete the adjustment within 10 minutes after the turn on electricity.
Turn on the power supply again when it is not possible to complete it by aging etc.
1.
Display the white balance pattern.
2.
Enter the Service mode.
3.
A number key “1” and “2” are operated and “WB-ADJ” is displayed.
Check that the color balance is “HIGH”.
4.
Select “G-CUTOFF” item, using the number-key “3” or “4”, and set to “80”, using the volume-
key “+” or “-”.
key “+” or “-”.
Also, “B-CUTOFF” and “R-CUTOFF” set to “80”.
5.
Set “G-DRIVE” at “E0”.
6.
Touch the signal receiver of color analyzer to the highlight window’s center, and adjust B
drive and R drive so x, y become the “COLOR TEMP HIGH” in the below table.
drive and R drive so x, y become the “COLOR TEMP HIGH” in the below table.
7.
All RGB drive increase so that the maximum drive value of RGB may become “FC”.
(“ALL-DRIVE” set to “FC”.)
8.
Set color balance to “NORMAL” using “7” key.
9.
Fix G cutoff , B cutoff and R cutoff at “80”.
10. Fix G drive at “E0”.
11. Adjust B drive and R drive so the highlight window’s x, y become the “COLOR TEMP
NORMAL” in the below table.
12. All RGB drive increase so that the maximum drive value of RGB may become “FC”.
(“ALL-DRIVE” set to “FC”.)
13. Set color balance to “LOW” using “7” key.
14. Fix G cutoff, B cutoff and R cutoff to “80”.
15. Fix G drive to “E0”.
16. Adjust B drive and R drive so the highlight window’s x, y become the “COLOR TEMP LOW”
shown in the below table.
17. All RGB drive increase so that the maximum drive value of RGB may become “FC”.
(“ALL-DRIVE” set to “FC”.)
Picture menu : Dynamic
ASPECT : 16:9
ASPECT : 16:9
·
·
·
· Highlight section
Signal amplitude 75%
31
TH-37PV7F / TH-37PV7P / TH-37PX7B / TH-37PX7E / TH-42PV7F / TH-42PV7P / TH-42PX7B / TH-42PX7E
12.3. HD white balance adjustment
Instrument Name
Connection
Remarks
·
·
·
· 1080i W/B Pattern
·
·
·
· Color analyzer(Minolta CA-100 or equivalent)
·
·
·
· RF input
·
·
·
· Panel surface
User setting: Normal
Procedure
Remarks
·
·
·
· Asing time is longer than 15min.
·
·
·
· Make sure the front panel to be used on the final set is fitted.
·
·
·
· Make sure a color signal is not being shown before adjustment.
·
·
·
· Put the color analyzer where there is little colour variation.
Complete the adjustment within 10 minutes after the turn on electricity.
Turn on the power supply again when it is not possible to complete it by aging etc.
1.
Display the white balance pattern.
2.
Enter the service mode.
3.
A number key “1” and “2” are operated and “WB-ADJ” is displayed.
Check that the color balance is “HIGH”.
4.
Select “G-CUTOFF” item, using the number-key “3” or “4”, and set to “80”, using the volume-
key “+” or “-”.
key “+” or “-”.
Also, “B-CUTOFF” and “R-CUTOFF” set to “80”.
5.
Set “G-DRIVE” at “E0”.
6.
Touch the signal receiver of color analyzer to the highlight window’s center, and adjust B
drive and R drive so x, y become the “Color balance Cool” in the below table.
drive and R drive so x, y become the “Color balance Cool” in the below table.
7.
All RGB drive increase so that the maximum drive value of RGB may become “FC”.
(“ALL-DRIVE” set to “FC”.)
8.
Set color balance to “NORMAL” using “7” key.
9.
Fix G cutoff , B cutoff and R cutoff at “80”.
10. Fix G drive at “E0”.
11. Adjust B drive and R drive so the highlight window’s x, y become the “Color balance
“Normal” in the below table.
12. All RGB drive increase so that the maximum drive value of RGB may become “FC”.
(“ALL-DRIVE” set to “FC”.)
13. Set color balance to “LOW”.
14. Fix G cutoff, B cutoff and R cutoff to “80”.
15. Fix G drive to “E0”.
16. Adjust B drive and R drive so the highlight window’s x, y become the “Color balance Warm”
shown in the below table.
17. All RGB drive increase so that the maximum drive value of RGB may become “FC”.
(“ALL-DRIVE” set to “FC”.)
Picture menu: Dynamic
ASPECT:16:9
ASPECT:16:9
·
·
·
· Highlight section
Signal amplitude 75%
* The Color balance COOL differs from
Japanese model values.
Japanese model values.
32
TH-37PV7F / TH-37PV7P / TH-37PX7B / TH-37PX7E / TH-42PV7F / TH-42PV7P / TH-42PX7B / TH-42PX7E
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