Nokia E62 Service Manual page 105

RM-88
BB Troubleshooting and Manual Tuning Guide
Introduction to baseband troubleshooting.........................................................................................................6-5
Baseband main troubleshooting..........................................................................................................................6-6
General power checking troubleshooting...........................................................................................................6-7
Battery current measuring fault troubleshooting..............................................................................................6-8
Flash programming fault troubleshooting..........................................................................................................6-9
Keyboard troubleshooting....................................................................................................................................6-9
USB interface troubleshooting............................................................................................................................6-11
Charging troubleshooting...................................................................................................................................6-12
Dead or jammed troubleshooting......................................................................................................................6-13
IrDA troubleshooting...........................................................................................................................................6-14
Vibra troubleshooting..........................................................................................................................................6-15
MiniSD troubleshooting.......................................................................................................................................6-16
SIM troubleshooting.............................................................................................................................................6-17
Display module troubleshooting........................................................................................................................6-18
General instructions for display troubleshooting........................................................................................6-18
Display fault troubleshooting........................................................................................................................6-20
Display and keyboard backlight troubleshooting........................................................................................6-21
EL backlight fault troubleshooting................................................................................................................6-24
ALS troubleshooting........................................................................................................................................6-25
LED driver troubleshooting............................................................................................................................6-28
Bluetooth troubleshooting..................................................................................................................................6-29
Introduction to Bluetooth troubleshooting.................................................................................................6-29
Bluetooth settings for Phoenix......................................................................................................................6-29
Bluetooth self tests in Phoenix......................................................................................................................6-30
Bluetooth BER failure troubleshooting.........................................................................................................6-32
BT audio failure troubleshooting..................................................................................................................6-33
Audio troubleshooting.........................................................................................................................................6-34
Audio troubleshooting test instructions......................................................................................................6-34
Internal earpiece troubleshooting................................................................................................................6-37
Internal microphone troubleshooting..........................................................................................................6-38
IHF troubleshooting........................................................................................................................................6-39
External microphone troubleshooting..........................................................................................................6-40
External earpiece troubleshooting................................................................................................................6-41
Introduction to acoustics troubleshooting..................................................................................................6-42
Earpiece troubleshooting...............................................................................................................................6-43
Acoustics IHF troubleshooting.......................................................................................................................6-44
Microphone troubleshooting.........................................................................................................................6-45
Baseband manual tuning guide.........................................................................................................................6-46
Energy management calibration...................................................................................................................6-46
List of Tables
Table 9 Display module troubleshooting cases................................................................................................6-18
Table 10 Pixel defects..........................................................................................................................................6-19
Table 11 Calibration value limits........................................................................................................................6-46
List of Figures
Figure 34 Flashing pic 1. Take single trig measurement for the rise of the BSI signal...................................6-9
Figure 35 Flashing pic 2. Take single trig measurement for the rise of the BSI signal...................................6-9
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