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Nokia 616 Service Manual: Block Diagram; Electrical Module Description

Carkit phone (tfe-4/rv-1).
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Functional Description

Block Diagram

COPYRIGHT(C) NOKIA MOBILE PHONES. ALL RIGHTS RESERVED
THIS DRAWING IS PROTECTED BY COPYRIGHT AS AN UNPUBLISHED WORK
UNAUTHORIZED REPRODUCTION OF THIS DRAWING IS NOT PERMITTED
THIS DRAWING CONTAINS PROPRIETY AND CONFIDENTIAL INFORMATION
THIS DOCUMENT IS THE PROPERTY OF NOKIA MOBILE PHONES
Flash
BT202
UPP
"BB Supplies"
EB
(TF4)
23
Power Connector
19
18
17
15 13 11
JB
B2BHFMUTEX
B2BHDMUTEX
(TF5)
B2BUIPOWERON
B2BPOWEROFFX
RS232POWEROFFX
B2BIGNS
CRMX
B2BCRM
Signal Conditioning
VEBPWR
CDa19_BB_Block_Diagram_v1_3.vsd

Electrical Module Description

The Nokia 610/616 RU consist of two PWBs, one large board, designated TF5 and known
as the JB, carries on it all the cable connector sockets and baseband electronics. It has
six external cable connectors for connection of RF antenna, power, audio (2x) and user
interface (2x). It also has several electrical connections to the GSM module (mentioned
below).
Mounted on top, and connected to the JB, is the smaller GSM PWB which is a modified
NPL-1 (6310i) GSM phone module. The GSM PWB is designated TF4 and is known as the
Engine Board (EB). The EB has connections to the JB for control, power, ground and RF
antenna and one connection to the real world for the SIM card interface.
Power supply to the RU is directly from the car battery via an external fuse. There is also
a requirement to monitor the ignition sense (IGNS) signal in the car loom and to have
the ability to mute the car radio.
Issue 2.0 Mar/2005
P1421 CDa19 RAN Radio Unit
BT
antenna
(on PWB)
VBATTRF
Clock
RF PA
RF RX/TX
SIM IF
VWAKE (to VBACK)
MIC3P
SleepClk
32 kHz
MIC3N
CBus
UEM
HFCM
FBus
HF
MBus
MIC2P
DBus
MIC2N
SIM IF
SIM
B2B Connector
21
25 24
27
12
22
16
B2BPOWERONX
B2BBSI
SMPSON
B2BPOWEROFFX
IGNS5V
B2BMBUS
B2BFBUSRD
B2BFBUSDR
RS232
Doc Number : DHA00048-EN-1.3
Copyright © 2005 Nokia Corporation.
Company Confidential
Company Confidential
Radio Unit
TFE-4
FLASHIMEI
SMPS
VEBPWR
VCARSW
4 V
GND
GND
LDO
10 V
VWAKE
20
-0.4 dB
B2BHFMICP
8
B2BHFMICN
9
B2BXEARP
2
B2BXEARN
3
-4.6 dB
B2BHDMICP
AUDIOV10
5
B2BHDMICN
6
B2BHFMUTEX
VMIC
5.1 dB
B2BHDMUTEX
VWAKE
SENSE
IGNS5V
Voltage Watchdog
Wakeup
VCAR
POWEROK
and
VWAKE
Power
BSI
Logic
RTS
1
RI
DSR
E
CTS
RS232
DCD
M
DTR
Connector
RXD
C
TXD
10
GND
RS-232 is only used in N810
TFE-4/RV-1
TF5 Technical Information
Antenna
Connector
SMPSON
VCAR
E
IGNS
M
LDO
CRMX
5 V
C
CRMX
SMPSON
SENSE
VMIC
E
HFMICP
25 dB
M
HFMICN
C
E
HFSPKRP
M
30 dB
HFSPKRN
C
VEBPWR
HDEARP
6 dB
HDEARN
E
M
HDMICP
C
HDMICN
VIDDU
IDCH1
Overload
IDCH2
protection
GND
B2BUIPOWERON
FLASHIMEI**
1
B2BMBUS
MBUS**
VIDDU
B2BFBUSRD
FBUSRD
E
B2BFBUSDR
FBUSDR
M
IDCH1
IDCH2
C
GND
BSI
BSI**
nc
10
** Signals for
Flashing Only
GSM
antenna
PCU-4
2A
+VB
1A
IGNS
13.5 V
CRM(X)
-VB
Handsfree Microphone
HFM-8
Handsfree Speaker
HFS-12
Input Device
CUW-3
or
HSU-4
Handset
+492349843674
Display Unit
XDW-1
Page 8a-7

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