45
TC-L37DT30 Power LED Diagnostic Codes
When an abnormality is detected, the protection circuit resets the unit to the standby mode.
The (A) board microprocessor causes the power LED to blink a number of times. The number
of blinks points to the circuit where the abnormality is detected.
Protection circuits are incorporated in the unit to prevent the failure of a single circuit or
component from creating catastrophic damage. A shutdown condition occurs when a there is
an over voltage, a short or a drop in any of the voltage lines.
Blinking times Contents Check Point
1 BACKLIGHT_SOS P BOARD
LCD Panel
7 SUB 3.3V SOS A-BOARD
9 SOUND SOS A-BOARD
SPEAKER
10 LP1 SOS LCD PANEL
13 EMERGENCY SOS A-BOARD
14 IROM SOS A-BOARD
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