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【安卓終端】主板上電,屏點(diǎn)不亮?
供電方式為單12V,請(qǐng)確認(rèn):
A.若電源燈不亮,確認(rèn)主板電源正負(fù)極接線(xiàn)正確,J41位置電源供電切換跳帽插上(單12V或12V+5V);
B.若電源燈亮、背光亮無(wú)圖像,確認(rèn)JMP1跳帽屏壓與屏電壓匹配、主板分辨率與屏分辨率匹配、LVDS屏線(xiàn)接線(xiàn)正確;
C.若電源燈亮、背光不亮,確認(rèn)主板背光ON引腳與屏背光板ON腳接線(xiàn)正確;
說(shuō)明:5186/5159/5180/5166/5168/5119型號(hào)都可以參照上述3點(diǎn)排查,其中5166沒(méi)有電源燈,5119/5119無(wú)需插電源供電切換跳帽;
舉例下圖5186(詳情見(jiàn)各個(gè)規(guī)格書(shū)):