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6-40 Troubleshooting Waveforms: Bluetooth Troubleshooting Waveforms

These are the Bluetooth-related conducted signals that can be measured from test points on the keypad and

main board. (See “Keypad Board Layout – Bottom Side” on page 8-390 for measurement locations):

Table 6-6. Bluetooth Test Points

TP TP Name Net Name Description Voltage Measured

4 TP2416 BT_AVR_VBUS USB VBUS 5 4.96

5 TP2413 BT_AVR_RESET BT AVR Reset 1.85 1.73

9 TP2005 VCC_1.85 VCC 1.85 1.85 1.86

10 TP2417 USB_BOOT_1.8V USB Boot 1.8V 1.8 1.81

11 TP2466 ATMEL_BOOT Atmel Boot 3.3 3.04

12 M1 GND Ground 0 –

13 TP2008 V_2.755D VCC 2.775 2.775 2.74

14 TP2414 BT_AVR_USB_DP USB+ 3.3 3.43

15 TP2415 BT_AVR_USB_DM USB- 3.3 3.47

16 TP2007 VSW_3.6 VSW 3.6 3.51 3.49

17 R1318, R2407 32KHZ 32 kHz clock 1.85 1.87

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