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2021/07/13 22:44:19 (GMT+09:00)
トラブルシューティング
FLOW
1-3. LED BLINKING: 4X
Backlight Power Abnormal
LED 4x blinking
(BL error)
Tester Check
OK
12.0±2.4V
* Check Point:
J3,Pin no.2～5
OK
Tester Check
NG
12.0±0.6V
* Set exchange
* Output of AC-Adaptor
OK
Replace
NG
MAIN Board
MAIN Board
NG
NG
Replace
AC Adapter
Replace
OK
LCD panel ASSY
* Set exchange
AC Adapter
J3：Backlight Error
18
ELF-SR1(J)
SYS SET
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