Table 1. Concrete flashing pattern

Item

Detail display

LC-52LE920UN/LC-60LE920UN

Cause

Inverter/Lamp system failure Power PWB

failure

(Power failure, etc.) Main PWB

failure (Communication failure, etc.) Others

VerUP executing

VerUP succeeded

VerU P failed

ROM data failure

Slow flashing

Flashes once

Flashes twice

Flashes 3 times

Flashes 4 times

Flashes smoothly

Flashes in a staircase pattern None

None

Fast flashing

Flashes once Flashes twice 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

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)

*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

Center icon

rL_A.JIJ!,r-q.j-q

,

,

,

i

1600ms

' ' ',

',

1600ms

400ms

400ms300ms lOOms

• Flashing during Verup

Center icon

'F 5ooms

500ms

• Flashing when completing Verup

Center icon

_

_

1000ms 1000ms 1000ms 1000ms

6-15

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Image 61
Sharp 52LE920UN, 60LE920UN service manual RLA.JIJ!,r-q.j-q, New method