Sharp LC-60LE810UN Service Manual - Page 67

If it is not an error of power supply/LED driver, It is start-up in the lamp error disregard mode.

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Page 67 highlights

LC-40/46/52/60LE810UN (1st Edition) If it is not an error of power supply/LED driver, It is start-up in the lamp error disregard mode. Do you start? Does all LED of one line are not lighting? YES NO It doesn't light in 1 piece. All LED boards including LED that doesn't light are exchanged. YES TP1 of LED board on the power supply side is confirmed. Does the voltage hang? YES Is the LED board connected with CN2? NO harness exchange YES TP1 of the next LED board connected with CN2 is confirmed. Does the voltage hang? NO Even if the short-circuit connector is exchanged, do not you light? YES The next LED board is seen. NO LED board exchange. YES NO THE END. If it is not an error of power supply/LED driver, It is start-up in the lamp error disregard mode. Do you start? NO Is connected connector (LA1) with the first high LED board of the power supply board removed and do it start? YES All LED boards and the harness connected with LA1 are exchanged. NO Is connected connector (LA2) with the LED board second on the power supply board removed and do it start? YES All LED boards and the harness connected with LA2 are exchanged. NO Is connected connector (LA3) with the LED board third on the power supply board removed and do it start? YES All LED boards and the harness connected with LA3 are exchanged. NO All LED boards are exchanged. 6 - 13

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LC-40/46/52/60LE810UN (1st Edition)
6 – 13
If it is not an error of power supply/LED driver,
It is start-up in the lamp error disregard mode.
Do you start?
YES
Does all LED of one line are not lighting?
YES
NO
It doesn't light in 1 piece.
All LED boards including LED that doesn't light are exchanged.
TP1 of LED board on the power supply side is confirmed.
Does the voltage hang?
YES
NO
harness exchange
Is the LED board connected with CN2?
YES
NO
TP1 of the next LED board connected with CN2 is confirmed.
Does the voltage hang?
Even if the short-circuit connector is exchanged, do not you
light?
YES
NO
YES
NO
The next LED board is seen.
LED board exchange.
THE END.
If it is not an error of power supply/LED driver,
It is start-up in the lamp error disregard mode.
Do you start?
NO
Is connected connector (LA1) with the first high LED board of the power supply board removed and do it start?
YES
NO
All LED boards and the harness connected with LA1 are exchanged.
Is connected connector (LA2) with the LED board second on the power supply board removed and do it start?
YES
NO
All LED boards and the harness connected with LA2 are exchanged.
Is connected connector (LA3) with the LED board third on the power supply board removed and do it start?
YES
NO
All LED boards and the harness connected with LA3 are
exchanged.
All LED boards are exchanged.