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4. TROUBLE SHOOTING
㝘⪌HG 㵬㦤G 㠄⸬㡸G 㵲㡸G ㍌G 㛺㏩⏼␘UU㝘⪌HG 㵬㦤G 㠄⸬
㡸G 㵲㡸G ㍌G 㛺㏩⏼␘UG G
G
4.18.3 BLUETOOTH Trouble shooting
TP# TP description
TP1 VREG_MSMP_2.6V
TP2 VREG_MSME_1.8V
TP3 BT_CLK(26Mhz)
TP4 BT_ANT_OUT
START
Check TP1, TP2
Signal exist?
Change the main board
No
Yes
Change the main board
Check TP3
IS clock OK?
Check X700
No
Yes
Check TP4
Signal exist?
Check U700
No
Yes
4.18.3 BLUETOOTH Trouble shooting