Customer Service
Service Manual
26
/
44
CANNOT POWER ON-LARGE CURRENT
Check if the phone
leakage (current 0mA is
normal)
Check and replace
RF IC, BT IC, WiFi
IC, FM IC, CPU
END
Check and
replace RF PA,
Audio PA, PM IC
Check if the
capacitance,
varistor, LDO tube
leakage
Use the touch
method to check and
replace the heat
spare parts
Make the phone connect the power
supply and then press power key
find large current make the phone
heat
Summary of Contents for Studio 5.0 II
Page 1: ...Customer Service Service Manual 1 44 BLU STUDIO 5 0 II SERVICE MANUAL...
Page 10: ...Customer Service Service Manual 10 44 Finished Install the Battery cover 14...
Page 13: ...Customer Service Service Manual 13 44 Side A layout Side B layout...
Page 16: ...Customer Service Service Manual 16 44 5 1 2 Baseband CPU circuit introduction for Modem...
Page 22: ...Customer Service Service Manual 22 44 5 1 9 Four in one MT6627...
Page 41: ...Customer Service Service Manual 41 44 6 the software is upgrading 7 Finished Choose Download...
Page 43: ...Customer Service Service Manual 43 44 CHAPTER 8 TEST...