LG H990ds - TD-SCDMA Rx Signal Path (Bands B34, B39)

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3. TROUBLE SHOOTING
Image Checking Flow
3.6.5 TD-SCDMA PART – B34/B39 PRx
TOP
Checking Rx signal path(TD-SCDMA B34/39)
Check
TP1
Signal exist?
START
Check next step
Check Component
above RF signal
path and
FEMiD Block
YES
NO
Check
Transceiver
physical damage
or soldering
condition
OK
NOT GOOD
Replace U1101
TOP
U1101
(M499)
TP1(B34/B39 RX)
45