Sharp LC-90LE740X User Manual

LC-90LE740X
6 – 1
LC-90LE740X
Service Manual
CHAPTER 6. 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.
• After recovering from an error, if the same error cannot be generated again, refer to MONITOR ERR CAUSE on the adjustment process mode.
2. LED flashing method
Error flashing
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

Sharp LC-90LE740X Specifications

General

Brand	Sharp
Model	LC-90LE740X
Category	LCD TV
Language	English