Adjustments; B Set-Up; Confirmation - Panasonic TH-42PX20U Service Update Information

Adjustments

If the power supply board is replaced the following adjustments are required.

+B Set-up

Item / Preparation
• Input a 100% white signal.
• Set the picture mode to Normal and the White Balance to Normal
• Adjustments/Confirmation
Adjust and confirm the indicated test point below for the specified voltage.
Adjustment
Name
Vsus P11 pin 2
Vda P12 pin 1

Confirmation

Name
15V
15V
12V
Audio 12V
5V
STB 5V
Fan 15V
Fan 5V
PFC
Test Point
Test point
P23 pin 1
P7 pin 1
P25 pin 1
P5 pin 7
P25 pin 5
P27 pin 4
P10 pin 1
P10 pin 4
C468 (+), C468 (-)
52
Voltage Potentiometer
Vsus ± 1V R605
67.0 ± 0.5V R590
Voltage
15.4V ± 0.5V
15.2V ± 0.5V
11.8V ± 0.5V
12.5V ± 0.8V
5.1V± 0.3V
5.0V ± 0.3V
15.4V ± 0.5V
5.1V± 0.3V
380V ± 15V