Rx Flow Chart & Solution - LG -600 Series Repair Manual

Appendix.
Rx Flow Chart & Solution
Setting : After Initialize Agilent 8960, Test in EGSM or DCS Mode
START
PIF Power On
Block 2
RF2V8
O.K?
U207 Check!!
Pin 1. 4.2V
Yes
Pin 5. 2.8V
Block 3
Ref. Clock 13MHz O.K?
U212 Check!!
Pin 4. 2.7V
Yes
Pin 3. 13MHz
Block 4
RF Main Chip O.K?
Yes
Block 4
RF LNA & Filter O.K?
Yes
Block 6
Antenna Part
RX O.K?
Yes
RX Path Working !
GSM Handsets Lab.
No
No
No
U203, U204,U201 Check!!
No
FL1, U202 Check!!
No
U107 & U103 Check!!
Goto Block 2 Test
.
Goto Block 3 Test
Goto Block 4 Test
Goto Block 5 Test
Goto Block 6 Test
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