Check Ihf Function Using "Ext Microphone In Ihf Speaker Out" Loop; Check Vibra Function Using "Vibra Control - Nokia RH-99 Service Manual

RH-99; RH-100; RH-105; RH-106
Baseband troubleshooting
2. Open "audio test" window from "Testing -> Audio test", as shown in
above.
3. Select "Ext microphone in Hp speaker out"
4. Select "Loop" as "On"
5. Input signal to XMic/GND pads, as shown in
1kHz.
6. Check if sound is heard in earpiece.
Troubleshooting flow

Check IHF function using "Ext microphone in IHF speaker out" loop

Steps
1. Connect phone with Phoenix.
2. Open "audio test" window from "Testing -> Audio test", as shown in
above.
3. Select "Ext microphone in IHF speaker out"
4. Select "Loop" as "On"
5. Input signal to XMic/GND pads, as shown in
1kHz.
6. Check if sound is heard in IHF.
Figure 25 Checking IHF function by using "Ext microphone in IHF speaker out" loop

Check vibra function using "Vibra control"

Steps
1. Connect phone with Phoenix.
2. Open "Vibra control" window from "Testing -> Vibra control", as shown in the figure below.
Issue 2
Figure PWB audio test points above, for example 100mVpp,
Figure 24 Test arrangement for earpiece
Figure PWB audio test points above, for example 100mVpp
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Figure Phoenix audio test window
Figure Phoenix audio test window
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