Sharp LC-60LE920UN Service Manual page 61

Table 1. Concrete flashing pattern
Item
Inverter/Lamp system failure
Power PWB
failure
(Power failure, etc.)
Main PWB
failure
(Communication
failure, etc.)
Others
Detail display
Slow flashing Fast flashing
Flashes once Flashes once
Flashes twice Flashes twice
Flashes 3 times
Flashes 4 times
VerUP executing Flashes smoothly
VerUP succeeded Flashes in a staircase pattern
VerU P failed None
ROM data failure None
Flashes 3 times
Flashes 5 times
Flashes once
Flashes twice
Flashes 3 times
Flashes 5 times
Flashes once
Flashes twice
Flashes 3 times
None
None
Flashes continuously
Flashes continuously
*2: They depend on the system. Power supply error is defined from product to product.
*3: For details, refer to ERROR STANDBY CAUSE on the adjustment process screen.
*4: If the boot section is abnormal, there is no flashing (flashing impossible).
3. New method
LC-52LE920UN/LC-60LE920UN
Cause
Lamp error
Power supply error 2 (*2) UR+13V error
Power supply error 3 (*2) D3.3V error
Panel power supply error
Initial communication error
Start-up confirmation communication error
Regular communication error
Other communication error
Temperature error
Sync error
Notification from the main microcomputer (*3)
Version upgrading
Version upgrade succeeded
Version upgrade failed
Start-up after failing version upgrade (*4)
Center icon
rL_A.JIJ!
, , ,
i
1600ms ' ' ', ', 1600ms
400ms
400ms 300ms
lOOms
,r-q.j-q
• Flashing during Verup
Center icon
'F 5ooms
500ms
• Flashing when completing Verup
Center icon _ _
1000ms 1000ms 1000ms 1000ms
6-15