LC-40/46/52/60LE810UN (1st Edition)
6 – 16
LED flashing timing chart at the time of an error
1) Slow flashing Note
2) Inverter/Lamp failure details (Flashes slowly once and flashes fast) Note
3) Power failure details (Flashes slowly twice and flashes fast) Note
Error type Center icon LED operation Pins are monitor microcomputer pins.
Inverter/
Lamp failure
Flashes slowly once
H: On
L: Off
Refer to “Inverter/Lamp failure details”. Flashes slowly
and fast by pressing the [MENU] key on the remote con-
trol (refer to 2 below).
Power failure
Flashes slowly twice
H: On
L: Off
Refer to “Power failure details”. Flashes slowly and fast
by pressing the [MENU] key on the remote control (refer
to 3 below).
Main CPU to main CPU
communication failure
Flashes slowly 3 times
H: On
L: Off
Refer to “Communication failure details”. Flashes slowly
and fast by pressing the [MENU] key on the remote con-
trol (refer to 4 below).
Communication line failure or main CPU communication
failure. → Check debug statements for the main CPU.
Others
Flashes slowly 4 times
H: On
L: Off
Refer to “Other failure details”. Flashes slowly and fast by
pressing the [MENU] key on the remote control (refer to 5
below).
Error type Center icon LED operation Pins are monitor microcomputer pins unless other-
wise specified.
Lamp failure
Flashes fast once
H: On
L: Off
ERR_PNL(40pin): Hi failure. Confirmed after 8 consecu-
tive detections at 64msec intervals (detected only when
the backlight is on).
Note that after five detection counts, the lamp cannot be
activated except in the monitor process.
Accumulated counts are cleared to 0 by the setting in the
process A.
Error type Center icon LED operation Pins are monitor microcomputer pins unless other-
wise specified.
PS_ON
AC_DET failure
Flashes fast once
H: On
L: Off
AC_DET(72pin) failure (L).
If error is detected during start-up or operation, the power
is turned on again by interrupt (instantaneous blackout
processing).
SM_POW
Main 13V failure
Flashes fast twice
H: On
L: Off
DET_13V(38pin) failure (L). Main 13V is not applied.
If error is detected during start-up or operation, the power
is turned on again by polling.
D_POW
Digital 3.3V failure
Flashes fast 3 times
H: On
L: Off
DET_D3V3(36pin) failure (L). Digital 3.3V is not applied.
If error is detected during start-up or operation, the power
is turned on again by polling.
PANEL_POW
Panel 12V failure
Flashes fast 5 times
H: On
L: Off
DET_PNL12V(35pin) failure (L). Panel power is not
applied.
Detection is started after turning on the panel power and
receiving command; the power is turned off by polling.
100ms 400ms 1.6sec
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