LG GD510 Service Manual page 75

5. Trouble shooting
GD510 Operational Description Revision A
MMC-DETECT PIN
TP1,2,3,4
MMC_DETECT SIGNAL
VMME_2V9
Card insert Card Deject
START
Check Micro SD card voltage
(VMME_2V9)
Resolder it
No
(check data line
TF socket pins
TP 1~4 is 2.9V
are well soldered
Signal)
Yes
Yes Replace Main PCB
Check proper
uSD?
Assemble
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