User Guide

Nokia Customer Care Baseband Description and Troubleshooting

6235/6235i/6236i (RM-60)

Flashing Phoenix Interface

Run EZ Flash in Phoenix to flash the phone.

Figure 5: EZ Flash in Phoenix

Audio

How the Audio Works

The baseband supports three microphone inputs and two earpiece outputs. The

microphone inputs are MIC1, MIC2, and MIC3:

• MIC1 input is used for the phone's internal microphone,

• MIC2 input is used for headsets (HDB-4),

• MIC3 input is used for the Universal Headset.

Every microphone input can have either a differential or single ended ac connection to

UEMEK circuit. In the Nokia 6235/6235i/6236i, the internal microphone MIC1 and

external microphone MIC2 for Pop-Part™ accessory detection are both differential.

However, the Universal Headset interface is single ended. The microphone signals from

different sources are connected to separate inputs at UEMEK. Inputs for the microphone