comment réparer EMMC
(KMVYL000LM-B503
REPAIR KMVYL000LM:
DEAD EMMC:
DISCONNECT ALL EMMC LINES [POWER, CLK, CMD, DAT0] AND MAKE SHORT TP to GND
THEN CONNECT ALL EMMC LINES AND REMOVE SHORT TP to GND:
SELECT FIRMWARE UPDATE AND CLICK CUSTOM OPERATION:
CONFIRM EMMC PART NUMBER:
FIRMWARE UPDATE START:
WHEN LOG SHOWS 'Repairing eMMC CID...' AND PROGRESS START MOVING,
RECONNECT ALL EMMC LINES [POWER, CLK, CMD, DAT0], YOU HAVE 20 SEC FOR THAT:
FIRMWARE UPDATE DONE:
RECONNECT ALL EMMC LINES [POWER, CLK, CMD, DAT0]
AND CHECK EMMC FUNCTIONALITY:
DEAD EMMC:
DISCONNECT ALL EMMC LINES [POWER, CLK, CMD, DAT0] AND MAKE SHORT TP to GND
THEN CONNECT ALL EMMC LINES AND REMOVE SHORT TP to GND:
SELECT FIRMWARE UPDATE AND CLICK CUSTOM OPERATION:
CONFIRM EMMC PART NUMBER:
FIRMWARE UPDATE START:
WHEN LOG SHOWS 'Repairing eMMC CID...' AND PROGRESS START MOVING,
RECONNECT ALL EMMC LINES [POWER, CLK, CMD, DAT0], YOU HAVE 20 SEC FOR THAT:
FIRMWARE UPDATE DONE:
RECONNECT ALL EMMC LINES [POWER, CLK, CMD, DAT0]
AND CHECK EMMC FUNCTIONALITY: