Nokia 616 - B2 B-System Connectors; Block Diagram

TFE-4/RV-1 Company Confidential
TF4 Technical Information Nokia Customer Care
Page 8b-34 Copyright © 2005 Nokia Corporation. Issue 2.0 Mar/2005
Company Confidential
B2B-System connector
Block Diagram
Figure 17: Block Diagram of B2B-Connection
B2B System Connector
UEM
UPP
B2B Power/
RS232
-
1
B2B Power/
RS232
-
2
RS-232
Filter
Vback2V7
Vback5V
Poweronx
Flashbus
Voltage
Devider
Poweronx
Filter
Flashbus
Filter
Engine Audio
Filter
Control IO
Filter
HF/HDAudi
Control-
Lines
RS232
VBAT
*** Note: RS232 facility is only utilised in the N810 ***
TF-4
Car
conne
ctor
HS/ID
conne
ctor
4.2V DC/DC
≥
1
HF-
MIC
HF-
Spkr
B2B System Connector
TF-5
R
VCAR
VIDD
CRM
IGNS
VBAT
B2BPoweroffx (Output 1.8V)
B2BIgnition (Input 1.8V
B2BCRM (output 1.8V)
B2BUI_POWERON
B2BHSMUTEX
B2BHFMUTEX
Audio
DU
connector