機(jī)型:55E660G 機(jī)芯:8S53 故障現(xiàn)象:黑屏 故障分析與解決辦法: 出現(xiàn)這種問(wèn)題屬于eeprom配屏參數(shù)據(jù)不正確導(dǎo)致,整機(jī)啟動(dòng)會(huì)去加載eeprom配屏數(shù)據(jù),正常產(chǎn)線下機(jī),eeprom數(shù)據(jù)都會(huì)按照對(duì)應(yīng)的屏燒錄好了的,跟整機(jī)主程序沒(méi)關(guān)系。維修或更改配屏參數(shù)時(shí)只需修改eeprom數(shù)據(jù)就可以了。 使用串口輸入
進(jìn)入mboot模式(開(kāi)機(jī)按住回車) << MStar >># panelinfo get
mmc change mount : tvservice
Size of file "/config/board.ini" from mmc device 0 partition tvservice: 805 bytes
Loading file "/config/board.ini" at offset 0x0 from mmc device 0 partition tvservice
805 bytes read
sizeof( boot ini script ) --------> 805 bytes
1 = 01_MZ_SD_RDL320HY_LD0-401
2 = 02_SKY_HD_SDL420FY_LD0-110
3 = 03_SKY_HD_SDL550FY_LD0-000
4 = 04_MZ_HD_RDL490FY_LD0-100
5 = 05_SKY_HD_SDL550FY_LD0-010
6 = 06_SKY_SD_SEL320HY_CD0-311
eeprom read curret panel_id=2
<< MStar >># panelinfo set 3 重新開(kāi)機(jī)重啟即可!
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