Blu Life Play X, Service Manual

Page: 10 / 27

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2.1.3.2 Maintenance Procedures of the Receiving Part
No receiving
Start the META software to connect the PC and the phone
，
making the phone into the receiving state.
Signal generator is also adjusted to the correspond CH. And signal lines connected to the phone.
Transceiver has
Check CPU
Y
Transceiver has received
signal?
N
Transceiver
CSO,SCLK,SDATA are
correct ?
Check CPU
N
Whether the voltage
of the transceiver is
normal ? Whether
26MHZ is normal?
Y
Check the
corresponding power
supply and 26MHZ
resulting circuit
N
Replace transceiver
Y
PA has received
signal?
N
Check to see if there has
signal in the matching circuit
between PA and ANT
N
Check to see if there has
signal in the matching
circuit between PA and
transceiver
Y
Y