Sharp Aquos LC-60LE600U, Service Manual

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LC-60/70LE600U
6 – 11
1) Center Icon illumination
LED flashing timing chart for error notification.
Error type Center Icon illumination operation (1 cycle) Pins are microprocessor pins.
Lamp error
Flashes once: Fast [Center Icon illumination]
H: On
L: Off
Judged by the ERR_PNL port. Confirmed after 10 consecutive
detections at 500 ms intervals (detected only when the backlight is
on).
[Released]
• Execute AC_ON with [INPUT] and [VOL-DOWN] on the unit
down. Then execute the function of “L ERR RESET” in the
adjustment process mode menu.
• Continuous illumination for 15 minutes.
NOTE: After five detection counts, the lamp cannot be activated.
Temperature error
Flashes 4 times [Center Icon illumination]
H: On
L: Off
Judged by monitoring temperature with the temperature sensor.
When the panel temperature is 63
°
C or more, caution is dis-
played. If the panel temperature is 65
°
C or more, error standby is
activated.
[Released]
Reduce the value of TEMP CAUTION (temperature caution
threshold) and TEMP SHUTDOWN (temperature protection
threshold) in the adjustment process mode menu.
Error Type
Panel power error
Flash 2 times
H: On
L: Off
Judged panel power supply by the DET_POW_port.
Conformed after 2 consecutive detections at 16mS intervals.
400ms 1600ms