Tc-L37U22 Power Led Diagnostic Codes - Panasonic TC-L42D2 Technical Manual

TC-L37U22 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 board where the abnormality is detected.
Blinking times
1
3
4
7
9
13
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.
Contents
BACK LIGHT_SOS
PANEL POWER_SOS
DTV12V_SOS
SUB 3.3V_SENSE
SOUND SOS
EMERGENCY_SOS
BOARD
P BOARD
LCD Panel
A BOARD
P/A BOARD
A BOARD
A BOARD
A BOARD
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