
LC-52LE920UN/LC-60LE920UN 
| I | If it is not an error of power supply/LED | driver, | ||
| 
 | It is  | error | disre_lard | mode, | 
| I | Do you | start? | 
 | 
 | 
_' YES
I Does all LED of one line are not lighting?
_' NO
I It doesn't light in 1 piece.
i
I 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?
_' NO
I
I
I
YES
I Is the LED board connected with CN2?
I
_' YES
TP1 of the next LED board connected with CN2 is confirmed. Does the voltage hang?
I harnessexchange
_' NO
Even if the 
I
I
| ; YEs | 
 | ; .o | ; YEs | 
 | ; .o | 
| I The next LED board is seen. | I | I LED board exchange. | 
 | I | I THE END. | 
| I | If it is not | an error | of power | supply/LED | driver, | 
 | ||
| 
 | It is  | lamp | error | disre_lard | 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
| I All | LED | boards | and | the harness | connected | with LA1 are exchanged. | 
 | I | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | NO | 
 | 
| 
 | 
 | 
 | 
 | I Is connected | connector | (LA2) with the LED | board | second on the power supply board removed and do it start? | I | |
| 
 | 
 | ; YES | 
 | 
 | 
 | 
 | 
 | 
 | 
 | |
| I All | LED | boards | and | the harness | connected | with LA2 are exchanged. | 
 | I | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | NO | 
 | 
| 
 | 
 | 
 | 
 | I Is connected | connector | (LA3) with the LED | board | third on the power supply board removed and do it start? | I | |
J' YES
All LED boards and the harness connected with LA3 are
exchanged.
NO
| All LED boards are exchanged. | ] | 
