Read Panasonic TX-R20LA80 Service Manual online
6 Setting Inspection
6.1. Voltage Confirmation
Confirm the following voltages:
A board
Normal mode
Test point
Position
Voltage
Description
TP025
C888
5V ± 0.25V
5V
TP024
C891
8.2V ± 0.5V
8V
TP031
R874
30V ± 2V
30V
Standby mode
TP029
C868 +pin
3.3 ± 0.2 V
STBY3.3V
TP030
C864 +pin
1.8 ± 0.15
STBY1.8V
TP025
C888
<2V
5V
P board
Normal mode
TP842
Q843
23.8V ± 1V
24V switched
TP840
Connector P2, pin12
9.8V ± 1
12V
TP3802
IC3802, pin1
15V ± 1V
15V
TP3800
IC3801, pin4
4.3V ± 0.3V
REG2
TP3801
IC3801, pin21
4.5V ± 0.3V
REG3
Standby mode
TP842
Q843
<10V
24V switched
8
TX-R20LA80
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