Sharp LC-70LE632U User Manual

LC-70LE632U/633U
4 – 1
LC70LE632U
Service Manual
CHAPTER 4. TROUBLESHOOTING TABLE
[1] Failure diagnosis by LED in front of cabinet
[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
• Flashing during Verup
• Flashing when completing Verup
No
Yes
No
Yes
No
Yes
Is the Center Icon flashing?
START
Is the Center Icon lighting
When AC plug on?
Is the Backlight lighting?
Check "[2] LED flashing specification at the time of an error (Center icon LED used)".
Check Power-Unit and AC-cable.
Check "࡮LED Backlight does not turn on.".
Check "࡮Picture does not display.".
1600ms
300ms
100ms
400ms
400ms
1600ms
OFF
ON
Center icon
500ms
500ms
OFF
ON
Center icon
1000ms
1000ms 1000ms 1000ms
OFF
ON
Center icon

Sharp LC-70LE632U Specifications

General

Brand	Sharp
Model	LC-70LE632U
Category	LCD TV
Language	English