Sharp LC-40LE820UN Service Manual page 81

4) Other failure details (Flashes slowly 4 times and flashes fast)
Error type
Monitor temperature H: On
failure
Flashes fast once
L: Off
Main failure H: On
Flashes fast 3 times
L: Off
4. Monitor ERR STBY table
Outline: Communication/Power failure detected by the monitor microcomputer is stored on EEPROM, and the last 4 abnormal states can be
confirmed in the process mode A.
Location: Page 1 of the process mode A: MONITOR ERR CAUSE
"0" if there is no error. It is cleared to 0 on the last page of the process mode A.
Display
02 Start-up communication error 2
03 Start-up communication error 3
04 Start-up communication error 4
05 Start-up communication error 5
06 Start-up communication error 6
07 Start-up communication error 7
08 Start-up communication error 8
09 Start-up communication error 9
0A Communication error A
0B Communication error B
0C Communication error C
0D Communication error D
0E Communication error E
0F Communication error F
11 Communication error H
16 Panel-related error
1A Other error 2
1E Power supply error 2
1F Power supply error 3
21 Power supply error 5
23 Other error 3
Center icon LED operation
Initial communication from the main CPU is not received.
Only the initial communication is received.
Until panel information request reception
Until initialization completion reception
Until version notification transmission
Until start-up information notification transmission
Until start-up information response reception
Until time-out setting reception
REQ time-out
Restart time-out during the beginning of time acquisition start-up
Ending sequence time-out
Preset start-up time-out during completion
download, start-up time-out
Time acquisition time-out
Regular communication time-out
Lamp failure
Monitor temperature failure
D_POW (DET_13V) failure
D_POW (DET_D3V3) failure
Panel power failure
Error standby request from the main CPU
7 – 17
Note
Pins are monitor microcomputer pins unless other-
wise specified.
If the panel temperature is 60°C or more for 15 seconds
or more in a row, CAUTION appears on the OSD
(flashes in red in the lower right screen).
If the panel temperature is 60°C or more for 25 seconds
or more in a row, error standby is activated.
(MONITOR MAX TEMP on page 23 of the process A:
Change of temperature failure AD value): Thermistor
Main microcomputer detection error (CPU temperature
error, etc.)
The details are displayed on page 1 of the process A of
the main microcomputer.
Error description
LC-40/46/52/60LE820UN