Introduction to acoustics troubleshooting
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EANC error microphone troubleshooting
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EANC reference microphone troubleshooting
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Uplink microphone troubleshooting
Bluetooth and FM radio troubleshooting
Bluetooth and FM radio introduction
Bluetooth and FM radio component placement
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Bluetooth and FM radio module troubleshooting
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Certificate restoring for BB5 products
List of Tables
Table 9 Display module troubleshooting cases
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Table 11 Calibration value limits
List of Figures
Figure 14 Flashing pic 1. Take single trig measurement for the rise of the BSI signal
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Figure 15 Flashing pic 2. Take single trig measurement for the rise of the BSI signal
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Figure 18 GPS layout and basic test points
Figure 19 GPS antenna test pads, top side
Figure 20 GPS layout and basic test points
Figure 21 GPS Control dialog box
Figure 22 Simple Tests – Oscillator Test & Receiver Self Test
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Figure 23 Simple Tests – Oscillator Test
Figure 24 Simple Tests – Receiver Self Test
Figure 26 GPS Quick Test window for GPS troubleshooting
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noise from the signal. The filter is optional.
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noise from the signal. The filter is optional.
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Figure 29 Ext microphone in Int handsfree out, single-ended loop measurement without filter.
The signal is measured differentially between the pads of B2102 or B2103.
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Figure 31 EANC error microphone
Figure 32 EANC reference microphone
Figure 33 Audio uplink microphones
Figure 34 Test points in Bluetooth-FM ASIC circuit
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RM-424; RM-564
BB Troubleshooting and Manual Tuning Guide
Page 3 –4
COMPANY CONFIDENTIAL
Issue 1
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