System Connector - Nokia 6275 Baseband Description And Troubleshooting

6275/6275i (RM-154)
Baseband Description and Troubleshooting

System Connector

The system connector is the Pop-port connector as shown in
terminal supports Pop-port (differential) and Universal Headset (single-ended)
accessories. The ACI signal detects the Pop-port accessory, while TIKU_GENIO(4) detects
the Universal Headset.
There are 14 circuits connected through the system connector:
• Charge = Connects to the charging system
• Charge GND = Grounds the charging system
• ACI = Accessory Control Interface
• Vout = External accessory power supply
• USB Vbus = USB power supply (5V)
• USB D+ = USB data line (positive)
• USB D- = USB data line (negative)
• XMIC N = Differential connection to the MIC for the external microphone
• XMIC P = Differential connection to the MIC for the external microphone
• HSEAR N = Differential headset connection to the external EAR
• HSEAR P = Differential headset connection to the external EAR
• HSEAR R N = Differential headset connection to the external stereo
• HSEAR R P = Differential headset connection to the external stereo
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Figure 39: System Connector
Company Confidential
Nokia Customer Care
Figure 39. The mobile
Issue 1 - September 2006