Chapter 6. Troubleshooting Table; Failure Diagnosis By Led In Front Of Cabinet; Led Flashing Specification At The Time Of An Error (Center Icon Led Used) - Sharp LC-60LE831U Service Manual

CHAPTER 6.
LC-40LE830U TROUBLESHOOTING TABLE

[1] Failure diagnosis by LED in front of cabinet

START
Is the Center Icon flashing?
No
Is the Center Icon lighting
When AC plug on?
Yes
Is the Backlight lighting?
Yes
Check " Picture does not display.".

[2] LED flashing specification at the time of an error (Center icon LED used)

1. Display method
• Since only the center icon LED can be used, slow flashing and fast flashing are combined.
• Refer to Table 1.
• The Start from the detail display. (No outline display)
• After recovering from an error, if the same error cannot be generated again, refer to MONITOR ERR CAUSE on the process screen.
• During version upgrade, the brightness of the flashing LED changes smoothly.
• When completing version upgrade, the brightness of the LED changes in a staircase pattern.
2. LED flashing method
Error flashing
<Detail display example>
Center icon
400ms
400ms
• Flashing during Verup
Center icon
500ms
500ms
• Flashing when completing Verup
Center icon
1000ms
1000ms
Yes
Check "[2] LED flashing specification at the time of an error (Center icon LED used)".
No
Check Power-Unit and AC-cable.
No
Check " LED Backlight does not turn on.".
1600ms
300ms
100ms
1000ms 1000ms
LC-40/46/52/60LE835U/830U/832U/LC-60LE831U
Service Manual
1600ms
ON
OFF
ON
OFF
6 – 1
ON
OFF