RM-25
Nokia Customer Care
Baseband troubleshooting
Figure 85 No charging.................................................................................................................................................................6–16
Figure 86 ADC reading window in Phoenix..........................................................................................................................6–18
Figure 87 USB interface troubleshooting..............................................................................................................................6–19
Figure 88 UPP_WD2 and UEME SIM connections (simplified)..........................................................................................6–20
Figure 89 SIM power up waveform.........................................................................................................................................6–21
Figure 90 SIM answer to reset waveform.............................................................................................................................6–22
Figure 91 "Insert SIM Card" in device display although card is inserted....................................................................6–23
Figure 92 Troubleshooting keypad interface......................................................................................................................6–24
Figure 93 Display troubleshooting..........................................................................................................................................6–25
Figure 94 Troubleshooting display and keyboard backlight..........................................................................................6–26
Figure 95 Troubleshooting MMC interface............................................................................................................................6–28
Figure 96 Troubleshooting internal microphone...............................................................................................................6–29
Figure 97 Troubleshooting external microphone..............................................................................................................6–30
Figure 98 Troubleshooting internal earpiece......................................................................................................................6–31
Figure 99 Troubleshooting external earpiece.....................................................................................................................6–32
Figure 100 Troubleshooting IHF..............................................................................................................................................6–33
Figure 101 Troubleshooting IHF (continued)......................................................................................................................6–34
Figure 102 Troubleshooting accessory detection..............................................................................................................6–35
Figure 103 Troubleshooting accessory detection (continued)......................................................................................6–36
Figure 104 Troubleshooting IrDA............................................................................................................................................6–37
Figure 105 Troubleshooting FM radio....................................................................................................................................6–39
Figure 106 EM calibration window.........................................................................................................................................6–40
Page 6–4
Company Confidential
9235618 (Issue 2)
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