Checking Gps Block - LG TracFone LG840G Service Manual

4.7 Checking GPS Block

Change the Main board
LGE Internal Use Only
Start
TP1,TP2
Signals exist?
Yes
TP3,TP4
Signals exist?
Yes
TP5
Is clock ok?
19.2MHz
Yes
No
Change the main board
No
Change the main board
No
Change the X302
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4. TROUBLE SHOOTING
Only for training and service purposes