User Guide

CCS Technical Documentation 7 - Troubleshooting Instructions
RH-26
Issue 1 02/04 ©Nokia Corporation Page 35
• ACI accessory detection/removal & controlling.
• Standard FBUS.
All lines are connected to engine through series components and if the connector itself
and solderings are OK, check those components.
If Vout voltage to accessories is missing, check regulator N100 located under the UEM
shielding. Vout 2.78V is switched on when GENIO(0) is 1.8V.
Figure 16: Pop-Port
TM
system connector
PWB
Fbus TX
Fbus RX
XMIC N XMIC P
ACI Charge GND
N
C
N
C
Shielding
GND HSEAR P HSEAR N Shielding GND HSEAR R P HSEAR R N
Charge Vout
114