LG-TM250
8. When PCS Tx carrier isn't transmitted.
No
(ANT100)?
No
No
Yes
Change the Duplexer
(DP101).
Tx RF freq. appears at
C153?
No
Yes
Change the RF
switch (U100).
Tx RF freq. appears
C502?
No
No
No
Change the RF SAW Filter (F152).
Change the RFT6100 (U155).
Change the Tx LDO (U401).
Change the PLL LDO (U402).
Change the Main Board.
Yes
Change the SPDTswitch
(U521).
Yes
Tx RF freq. appears at
C571?
Change the Power
Amplifier (U415).
Change the Tx LDO
(U401).
Tx RF freq. appears at
R572?
Yes
Yes
Change the SP3T switch
(U520).
Tx RF freq. appears at
C507?
Change the stubby
antenna or antenna
bushing.
Tx RF freq. appears at
antenna pad
Setup HHP mode with Joyphone.
>Mode Offline-d
>Band Select (Mode : PCS)
>Channel (600)
>TX ON
>TX AGC (350)
START
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