Nokia RM-57 Service Manual page 123

RM-57/58
BB Troubleshooting and Manual Tuning Guide
Baseband troubleshooting...........................................................................................................................................................6-5
Dead or jammed device troubleshooting...............................................................................................................................6-6
General power checking troubleshooting...............................................................................................................................6-7
Clocking troubleshooting.............................................................................................................................................................6-8
OMAP1710 troubleshooting.........................................................................................................................................................6-9
Charging troubleshooting..........................................................................................................................................................6-11
Battery current measuring fault troubleshooting.............................................................................................................6-12
Flash programming fault troubleshooting...........................................................................................................................6-13
CMT SDRAM memory troubleshooting....................................................................................................................................6-16
CMT NOR flash fault troubleshooting......................................................................................................................................6-17
OMAP1710 memory troubleshooting.....................................................................................................................................6-18
Power key troubleshooting.......................................................................................................................................................6-20
USB interface troubleshooting.................................................................................................................................................6-21
SIM card troubleshooting...........................................................................................................................................................6-23
MMC troubleshooting...................................................................................................................................................................6-25
Keyboard troubleshooting.........................................................................................................................................................6-26
Slider switch troubleshooting..................................................................................................................................................6-28
Certificate restoring for BB5.0 products................................................................................................................................6-29
Display module troubleshooting.............................................................................................................................................6-34
General instructions for display troubleshooting........................................................................................................6-34
Display fault troubleshooting.............................................................................................................................................6-36
Display and keyboard backlight troubleshooting........................................................................................................6-37
ALS troubleshooting...............................................................................................................................................................6-38
LED driver troubleshooting..................................................................................................................................................6-41
Bluetooth troubleshooting........................................................................................................................................................6-42
Introduction to Bluetooth troubleshooting...................................................................................................................6-42
Bluetooth settings for Phoenix..........................................................................................................................................6-44
Bluetooth self tests in Phoenix...........................................................................................................................................6-44
Bluetooth BER failure troubleshooting............................................................................................................................6-46
BT audio failure troubleshooting......................................................................................................................................6-48
Audio troubleshooting................................................................................................................................................................6-48
Audio troubleshooting test instructions.........................................................................................................................6-48
Internal earpiece troubleshooting....................................................................................................................................6-53
Internal microphone troubleshooting.............................................................................................................................6-54
IHF troubleshooting...............................................................................................................................................................6-55
External microphone troubleshooting.............................................................................................................................6-56
External earpiece troubleshooting....................................................................................................................................6-57
Vibra troubleshooting...........................................................................................................................................................6-58
Baseband manual tuning guide...............................................................................................................................................6-59
Energy management calibration.......................................................................................................................................6-59
List of Tables
Table 10 Display module troubleshooting cases................................................................................................................6-34
Table 11 Pixel defects..................................................................................................................................................................6-35
Table 12 Calibration value limits.............................................................................................................................................6-59
List of Figures
Figure 41 Main troubleshooting tree........................................................................................................................................6-5
Issue 1
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