LG KE970 Service Manual page 98
Lg cell phone service manual
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Also See for KE970:
- User manual (289 pages) ,
- Instructions (3 pages) ,
- User manual (109 pages)
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5.11.6 Checking RX I/Q Signals
R422
0
R423
0
R424
0
C447
NA
R425
0
R426
0
C449
NA
R427
0
Checking Points
I
Q
RF_CLK
RF_DA
QX
C448
NA
Q
IX
C450
NA
I
I
Q
- 99 -
5. Trouble shooting
Checking Flow
Check RX I/Q Signals
No
Signals are
Normal ?
Yes
RX Part is OK.
Check Base Band Circuit
or
Re-Download S/W and Cal
RX
I
Q
I
Q
Replace
Transceiver
PMB6272(U403)
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Troubleshooting
