PANASONIC - TH42PX75U TH-42PX77U TH-50PX75U TH-50PX77U
STANDBY LED BLINKING CODES
LED blinking times
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Contents
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Check point
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1
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STB5V sense time out
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A Board
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2
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15V line abnormality
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D Board [15V SOS]
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3
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3.3V line abnormality
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D Board [3.3V SOS]
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4
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Power supply abnormality
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P Board [Power SOS]
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5
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5V line abnormality
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D board [5V SOS]
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6
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Scan drive-1 abnormality | DRV_RST
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SC, SU, SD Board [SC Energy recovery circuit] C and D board
connections.
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7
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Scan Driver-2 abnormality
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SC,SU,SD board [SC Floating voltage area]
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8
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Sustain driver abnormality
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SS Board [SS energy recovery circuit] | Panel.
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9
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Panel status abnormality
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D Board [Panel Status DET]
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10
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REG. Voltage abnormality
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A Board [A SOS, Tuner SOS] | SC | SS.
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11
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==============
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12
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VOLTAGE FOR SOUND ABNORMALITY
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A board [Sound SOS]. C boards connections
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Checking:
A board is defective. To confirm this, unplug the TV and disconnect connectors [A-5, A-6 & A-7] from the A Board. The TV should Turn ON automatically, and display a White Screen.
A Board.
