Read Panasonic TX-LR50B6 Service Manual online
TX-LR50B6
29
8 Measurements and Adjustments
8.1.
Voltage chart of A-board
Set A-Board to a dummy set and check the satisfaction with the specified voltage as following table.
8.2.
Voltage chart of P-board
Set P-Board to a dummy load and check the satisfaction with the specified voltage as following table.
Power Supply Name
Measurement Point
Specification
PNL12V
TP4097
12.1 ± 0.8V
SUB3.3V
TP5400
3.32 ± 0.165V
SUB1.1V
TP8101
1.14 ± 0.07V
SUB1.5V
TP8100
1.52 ± 0.05V
SUB5V
TP5420
5.0 ± 0.25V
HDMI3.3V
TP8000
3.3 ± 0.16V
Output
Test Point
Step 1
Step 2
24V (PANEL)
TP7407 or TP7408
<1V
24 ± 1.2V
16V
TP7410 or TP7412
<1V
15.7 ± 0.6V
5VS
TP7501
5.3 ± 0.2 V
5.3 ± 0.2V
PFC
TP7201
<340V
390 ± 15V
*HOT
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