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Only for training and service purposes
LGE Internal Use Only
4. TROUBLE SHOOTING
LG Electronics
87/147
LGE Property
uSD Check Points
-Power is working
-Socket soldering
-Card detect is working
MMC-DETECT PIN
START
TF socket pins
are well soldered
Check proper
uSD?
Assemble
Resolder it
(check data line
TP 1is low Signal)
Replace Main Board
Yes
Yes
No
Check Micro SD card voltage
(2V8_VMME)
MMC Detect
TP1