Accessory Detection - Nokia 6235 Baseband Description And Troubleshooting

Nokia Customer Care

Accessory Detection

Figure 42 provides a diagram that display how the phone detects accessories. Dummy
accessories pull down to GND ACI Line. Smart accessories pull down ACI line with a 56K
Ohm resistor allowing communication between accessory and UEMEK.
Issue 1 04/2005
VFlash1 (2.78V)
Figure 42: Accessory Detection Diagram
©2005 Nokia Corporation
6235/6235i/6236i (RM-60)
Baseband Description and Troubleshooting
VAUX2 (2.78V)
Smart accessories detection
Company Confidential Page 39