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MicroSD Check Points
-Power is working
-Socket soldering
-Card detect is working
MicroSD_DETECT SIGNAL
Card insert
START
Check Micro SD card voltage
(VMMC, 2.9V-TP5)
MicroSD socket
Detect pins(TP4)
works well
Yes
Check proper
MicroSD?
Assemble
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Only for training and service purposes
Card eject
Resolder it
No
(check data line
MicroSD D0~D3 is
2.9V Signal)
Yes
Replace Main Board
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5. TROUBLE SHOOTING
LGE Internal Use Only
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Table of Contents
Troubleshooting
