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Samsung gt s7562 Samsung Galaxy S Duos S7562 GSM 850 Rx Network not Working solution

Samsung gt s7562 Samsung Galaxy S Duos S7562 GSM 850 Rx not Working solution 
Samsung gt s7562 Samsung Galaxy S Duos S7562 GSM 850 Rx Network not Working solution Step By Step
Step 1

Continuous Rx ON
Channel : 190 CH
Cell power : -60dBm
Step 2

U100 PIN30 ≥ -65dBm?
(L141 using spectrum analyzer)
Resolder L141 or RFS100
Check RFcable
Step 3

U100 PIN22, L110, L115
≥ -68dBm?
Check the U100`s
Ant. selection diagram
Check Main chip(UCP300)
Resolder L110, L115
or Change U100
Step 4

PIN6,7
L112, L118, L119 ≥ -75dBm?
Resolder L112, L118, L119
Step 5

Change U100
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Samsung Galaxy GT S  Duos S7562 GSM 850 Rx Network Solution
Samsung Galaxy GT S Duos S7562  GSM 850 Rx Network Not Working Solution
Samsung Galaxy GT S Duos S7562 GSM 850 Rx  Network Receave solution

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