Wcdma Part - LG H990ds Service Manual

3.6.1 WCDMA PART – WCDMA B1/B2/B3/B4/B5/B8 Rx
Checking Rx signal path(B1/B2/B3/B4/B5)
START
Check
TP1/2/3/4/5
Signal exist?
Check
Transceiver
physical damage
or soldering
condition
Check next step
LGE Internal Use Only
Checking Flow
Check Component
above RF signal
path and
NO
FEMiD Block
YES
NOT GOOD
Replace U1101
OK
Image
TOP
TP5(B8 RX)
TP4(B5 RX)
36
3. TROUBLE SHOOTING
TP2(B2 Rx)
TP3(B3 RX)
TP1(B1/B4 RX)
U1101
(M499)
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