Figure 94 PWB audio test points
Check microphone using "Hp microphone in Ext speaker out" loop
Steps
1. Connect phone with Phoenix.
2. Open “audio test” window from “Testing -> Audio test”, as shown in Figure Phoenix audio test window above.
3. Select “Hp microphone in Ext speaker out”
4. Select “Loop” as “On”
5. Input sound at microphone port, for example 94 dB SPL 1 kHz.
6. Check if signal is detected at XEARP/N pads, shown in Figure PWB audio test points above.
RH-64
Nokia Customer Care
Baseband troubleshooting
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Company Confidential
9243363 (Issue 1)
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