Samsung Galaxy Grand 2, Руководство по ремонту

Страница: 44 / 69

Service Excellence Beyond Imagination
SWA-CS Content Innovation
RF (GSM,WCDMA)
Step Check point Result value Defect point
1
Confirm the defect symptom
(Make a call, check the debug screen *#0011# )
- -
2
Check the settings
(airplane mode, Mobile networks)
Abnormal Settings
Normal Go to the next step
3 Check the status main ANT
Broken, dust, corrosion
No insert
Main ant
Normal Go to the next step
4
Power on with a power supply
(power supply voltage : 3.8V)
- -
5
Check the status(crack, missing, Corrosion..etc)
of RF components.
ANT101 (ANT contact)
U106 (Tx module, PAM)
U101 (B1,B8 PAM)
F102,F104 (B1,B8 DUF)
U104 (B2,B5 PAM)
U610,F105 (B2,B5 DUF)
F101(Saw Filter)
U102 (Transceiver)
Abnormal status
(compared with a good PBA)
RF components.
Normal status
(compared with a good PBA)
CP(Call Processor)
(UCP300)