Nokia 6680 RM-36 Service Manual page 132

Mobile terminal
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RM-36
Nokia Customer Care
BB Troubleshooting and Manual Tuning Guide
Figure 44 SysCLK from C7528 & C7531...................................................................................................................................6–10
Figure 45 SleepCLK from J2217.................................................................................................................................................6–11
Figure 46 Flash programming fault troubleshooting 1/2...............................................................................................6–14
Figure 47 Flash programming fault troubleshooting 2/2...............................................................................................6–15
Figure 48 Flashing pic 1. Take single trig measurement for the rise of the BSI signal..........................................6–16
Figure 49 Flashing pic 2. Take single trig measurement for the rise of the BSI signal..........................................6–16
Figure 50 CMT SDRAM CLK from pin J2806.............................................................................................................................6–17
Figure 51 NOR CLK from J2813..................................................................................................................................................6–18
Figure 52 COMBO NAND in boot pic 1. ...................................................................................................................................6–20
Figure 53 USB 1: D-TXD (POP-PORT pin6) and D+RXD (POP-PORT pin7) voltage levels when USB connected..6–22
Figure 54 USB 2: Take single triggered measurement on the rising edge of the Helen usb0_txen line...........6–23
Figure 55 SIM interface signals.................................................................................................................................................6–24
Figure 56 MMC card initialization............................................................................................................................................6–26
Figure 57 Data transfer...............................................................................................................................................................6–27
Figure 58 Antenna element.......................................................................................................................................................6–43
Figure 59 Phoenix settings for Bluetooth troubleshooting............................................................................................6–45
Figure 60 Bluetooth self tests in Phoenix.............................................................................................................................6–46
Figure 61 Single-ended output waveform of the Ext_in_HP_out measurement when earpiece is connected.6–52
Figure 62 Differential output waveform of the Ext_in_IHF_out out loop measurement when speaker is
connected........................................................................................................................................................................................6–52
Figure 63 Single-ended output waveform of the HP_in_Ext_out loop when microphone is connected...........6–53
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Company Confidential
Issue 1
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