Nokia RM-132 Service Manual & Parts Manual page 155

RM-132; RM-133
BB Troubleshooting and Manual Tuning Guide
Baseband troubleshooting....................................................................................................................................6-5
Dead or jammed device troubleshooting............................................................................................................6-8
General power checking troubleshooting - CMT...............................................................................................6-10
General power checking troubleshooting - application processor.................................................................6-11
CMT clocking troubleshooting.............................................................................................................................6-12
Application processor troubleshooting.............................................................................................................6-13
Charging troubleshooting...................................................................................................................................6-14
Battery current measuring fault troubleshooting............................................................................................6-15
Flash programming fault troubleshooting........................................................................................................6-16
CMT SDRAM memory troubleshooting................................................................................................................6-19
CMT NOR flash fault troubleshooting..................................................................................................................6-20
Application processor memory troubleshooting..............................................................................................6-21
Power key troubleshooting.................................................................................................................................6-22
USB interface troubleshooting............................................................................................................................6-23
SIM card troubleshooting....................................................................................................................................6-25
SD card troubleshooting......................................................................................................................................6-27
IrDA troubleshooting...........................................................................................................................................6-30
Display controller troubleshooting....................................................................................................................6-32
Keyboard troubleshooting..................................................................................................................................6-32
Slider switch troubleshooting.............................................................................................................................6-35
Certificate restoring for BB5.0 products............................................................................................................6-36
Display module troubleshooting........................................................................................................................6-41
General instructions for display troubleshooting........................................................................................6-41
Display fault troubleshooting........................................................................................................................6-43
Display and keyboard backlight troubleshooting........................................................................................6-44
ALS troubleshooting........................................................................................................................................6-44
LED driver troubleshooting............................................................................................................................6-47
Bluetooth troubleshooting..................................................................................................................................6-48
Introduction to Bluetooth troubleshooting.................................................................................................6-48
Bluetooth settings for Phoenix......................................................................................................................6-49
Bluetooth self tests in Phoenix......................................................................................................................6-50
Bluetooth BER failure troubleshooting.........................................................................................................6-52
BT audio failure troubleshooting..................................................................................................................6-54
Audio troubleshooting.........................................................................................................................................6-55
Audio troubleshooting test instructions......................................................................................................6-55
Internal earpiece troubleshooting................................................................................................................6-59
Internal microphone troubleshooting..........................................................................................................6-60
IHF troubleshooting........................................................................................................................................6-61
External microphone troubleshooting..........................................................................................................6-62
External earpiece troubleshooting................................................................................................................6-63
Vibra troubleshooting....................................................................................................................................6-64
Baseband manual tuning guide.........................................................................................................................6-65
Energy management calibration...................................................................................................................6-65
List of Tables
Table 13 Display module troubleshooting cases..............................................................................................6-41
Table 14 Pixel defects..........................................................................................................................................6-42
Table 15 Calibration value limits........................................................................................................................6-65
Issue 1
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