Measurements And Adjustments; Voltage Chart Of A-Board; Voltage Chart Of P-Board - Panasonic TX-LR42U20 Service Manual

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 IP-Board to a dummy set and check the satisfaction with the specified voltage as following table.
Power Supply Name
P24V
17V
DTV12V
TUNER6V
DC390V
Power Supply Name Measurement Point
SUB1.8V
SUB1.2V
SUB3.3V
SUB5V
SUB9V
STB5V
Measurement Point Normal Condition
TP7503 24 ± 1.2 V
TP7502
TP7501 12 ± 0.6 V
TP7601 6.1 ± 0.3 V
TP7201 390 ± 10 V
Specification (V)
TP5601 1.74 - 1.90
TP5600 1.18 - 1.32
TP5602 3.19 - 3.46
TP5200 4.9 - 5.1
TP5220 8.82 - 9.18
TP5400 4.9 - 5.1
Stby Condition (V)
NO CARE
18 ± 2 V NO CARE
NO CARE
NO CARE
NO CARE
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TX-LR42U20
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