Sharp LC-52LE920UN User Manual

LC-52LE920UN/LC-60LE920UN
LED flashing timing chart at the time of an error
100ms 400ms 1.6sec
oe —————>
1) Inverter/Lamp failure details (Flashes slowly once and flashes fast) Note
Error type Center icon LED operation Pins are monitor microcomputer pins unless other-
wise specified.
Lamp failure H: On ERR_PNL(4Opin): Hi failure. Confirmed after 8 consecu-
Flashes fast once tive detections at 64msec intervals (detected only when
PLE the backlight is on).
L: Of 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.
2) Power failure details (Flashes slowly twice and flashes fast) Note
Main 13V failure
Flashes fast twice
Error type Center icon LED operation Pins are monitor microcomputer pins unless other-
wise specified.
SM_POW H: On 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.
Panel 12V failure
Flashes fast 5 times
L: Off
D_POW H: On DET_D3V3(36pin) failure (L). Digital 3.3V is not applied.
Digital 3.3V failure
Flashes fast 3 times Pr Lt 1 FLL If error is detected during start-up or operation, the power
L: Of is turned on again by polling.
PANEL_POW H: On 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.
3) Communication failure details (Flashes slowly 3 times and flashes fast) Note
Error type Center icon LED operation Basically, debug print logs are analyzed or commu-
nication logs are analyzed by a bus monitor.
Initial communica-
tion reception failure
Flashes fast once
H: On
L: Off
Initial communication from the main CPU is not
received. (Request for the monitor model No. is not
received.)
— Communication line failure or main CPU start-up fail-
ure
Start-up confirma-
tion reception failure
Flashes fast twice
H: On Start-up reason confirmation from the main CPU cannot
be received. (Start-up communication until start-up rea-
son notification command is not received.)
— Main CPU start-up failure or monitor microcomputer
reception failure
tion failure
Flashes fast 5 times
Regular communica- | H: On Regular communication that is performed at 1 second
tion failure intervals in the normal operation is interrupted.
Flashes fast3times | [ LJ LJ 1 Mt — Main CPU operation failure or monitor microcom-
L: Of puter reception failure
Other communica- H: On When a request (PM_REQ=H) is sent from the main
microcomputer, the request command is not output
from the main CPU, etc.
— Main CPU operation failure or monitor microcom-
puter reception failure
6-16

Sharp LC-52LE920UN Specifications

General

Brand	Sharp
Model	LC-52LE920UN
Category	TV
Language	English