Nokia 3500 classic RM-272 Service Manual Download Page 49

Page: 49 / 152

Baseband troubleshooting overview

This section is intended to be a guide for localising and repairing electrical faults.
The table below tells you what troubleshooting to go to.

Problem

Troubleshooting

Abnormal current consumption

General power checking (page 3–6)

Battery current measuring fault (page 3–6)

Flashing does not work or the problem is not clearly

defined

Flashing (page 3–15)

Clocking (page 3–9)

Combo memory (page 3–14)

Charging does not work

Charging (page 3–8)

Display does not work

Display fault (page )

Backlights do not work

Backlight (page 3–23)

LED driver (page 3–8)

USB does not work

USB (page 3–42)

Audio (mic, earpiece, IHF) does not work

Audio (page 3–25)

Acoustics (page 3–25)

Camera does not work

Camera baseband hardware (page 3–11)

Camera viewfinder (page 3–12)

Bad image quality (page 3–13)

Bluetooth does not work

Bluetooth (BT) (page 3–36)

FM radio does not work

FM radio (page 3–17)

MicroSD card does not work

MicroSD card (page )

RM-272; RM-273

BB Troubleshooting and Manual Tuning Guide

Issue 1

COMPANY CONFIDENTIAL

Page 3 –5

Summary of Contents for 3500 classic RM-272

Page 2: ...Amendment Record Sheet Amendment No Date Inserted By Comments Issue 1 09 2007 Y Liu RM 272 RM 273 Amendment Record Sheet Page ii COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Page 3: ...er no circumstances shall Nokia be responsible for any loss of data or income or any special incidental consequential or indirect damages howsoever caused The contents of this document are provided as is Except as required by applicable law no warranties of any kind either express or implied including but not limited to the implied warranties of merchantability and fitness for a particular purpose...

Page 4: ...OR THE MANUFACTURER OF THE MEDICAL DEVICE IF YOU HAVE ANY QUESTIONS OTHER ELECTRONIC EQUIPMENT MAY ALSO BE SUBJECT TO INTERFERENCE BEFORE MAKING ANY TEST CONNECTIONS MAKE SURE YOU HAVE SWITCHED OFF ALL EQUIPMENT Cautions Servicing and alignment must be undertaken by qualified personnel only Ensure all work is carried out at an anti static workstation and that an anti static wrist strap is worn Ens...

Page 5: ...approved accessories and batteries Do not connect incompatible products CONNECTING TO OTHER DEVICES When connecting to any other device read its user s guide for detailed safety instructions Do not connect incompatible products RM 272 RM 273 For your safety Issue 1 COMPANY CONFIDENTIAL Page v Copyright 2007 Nokia All rights reserved ...

Page 6: ...tteries and warp or melt certain plastics Do not store the phone in cold areas When it warms up to its normal temperature moisture can form inside which may damage electronic circuit boards Do not drop knock or shake the phone Rough handling can break internal circuit boards Do not use harsh chemicals cleaning solvents or strong detergents to clean the phone Do not paint the phone Paint can clog t...

Page 7: ...e damaged by static electricity discharge All ESD sensitive parts must be packed in metallized protective bags during shipping and handling outside any ESD Protected Area EPA Every repair action involving opening the product or handling the product components must be done under ESD protection ESD protected spare part packages MUST NOT be opened closed out of an ESD Protected Area For more informat...

Page 8: ...ory available for the product Do not attempt to discharge the battery by any other means Use the battery only for its intended purpose Never use any charger or battery which is damaged Do not short circuit the battery Accidental short circuiting can occur when a metallic object coin clip or pen causes direct connection of the and terminals of the battery metal strips on the battery for example whe...

Page 9: ... NOKIA MOBILE PHONES Business Group should be notified in writing e mail Please state Title of the Document Issue Number Date of publication Latest Amendment Number if applicable Page s and or Figure s in error Please send to NOKIA CORPORATION Nokia Mobile Phones Business Group Nokia Customer Care PO Box 86 FIN 24101 SALO Finland E mail Service Manuals nokia com RM 272 RM 273 Company Policy Issue ...

Page 11: ...Tools and Service Concepts 3 BB Troubleshooting and Manual Tuning Guide 4 RF Troubleshooting and Manual Tuning Guide 5 System module Glossary RM 272 RM 273 Nokia 3500c Service Manual Structure Issue 1 COMPANY CONFIDENTIAL Page xi Copyright 2007 Nokia All rights reserved ...

Page 15: ...ures 1 6 UI features 1 6 Mobile enhancements 1 8 List of Tables Table 1 Power 1 8 Table 2 Car 1 8 Table 3 Audio 1 9 Table 4 Data 1 9 Table 5 Imaging 1 9 List of Figures Figure 1 RM 272 273 product picture 1 5 RM 272 RM 273 General information Issue 1 COMPANY CONFIDENTIAL Page 1 3 Copyright 2007 Nokia All rights reserved ...

Page 17: ...deo player recorder a stereo FM radio and a music player and it supports Bluetooth and microSD card The XHTML WAP browser in RM 272 273 is compatible with the version 2 0 specifications and it supports HTTP TCP IP stack In addition the RM 272 273 is a Java enabled phone JavaTM 2 Platform Micro Edition for embedded devices It supports MIDP Java 2 0 with additional APIs The supported user interface ...

Page 18: ... Full screen view finder PictBridge printing via USB cable Video recording in QCIF quality supported Multimedia contents can be sent via MMS Multimedia MP3 player supporting formats including MP3 Midi AAC AAC enhanced AAC WMA FM stereo radio Visual Radio and music player 3GPP video player recorder MP3 ringing tones True tones and MIDI tones with support of 64 polyphony Memory functions Combo memor...

Page 19: ...enter Connectivity Nokia PC Suite with USB Bluetooth and Infrared connectivity SIM access profile and handsfree profile Nokia AV connector interface with USB Active standby FOTA Flashing over the air Local remote SyncML data synchronization E mail client with support for attachments Browsing Integrated XHTML browser Smart content download OMA DRM 2 0 Data transfer EDGE EGPRS Class 10 download up t...

Page 20: ...Suite Call management Speed dialling Speaker independent number name dialing for easy call handling Logs Keeps lists of your dialled received and missed calls Automatic answer works with headset or car kit only Call waiting call hold call divert call timer Mobile enhancements Mobile enhancements for RM 272 273 Table 1 Power Type Name Note This phone is charged through the smaller Nokia standard in...

Page 21: ...1W HS 24W HS 25W HS 26W HS 34W HS 36W HS 37W HS 57W HS 58W Wireless stereo headsets Table 4 Data Type Name DKE 2 Mini USB connectivity cable MU 22 1 GB µSD card MU 26 128 MB µSD card MU 27 256 MB µSD card MU 28 512 MB µSD card MU 37 2 GB µSD card Table 5 Imaging Type Name PT 6 Remote camera RM 272 RM 273 General information Issue 1 COMPANY CONFIDENTIAL Page 1 9 Copyright 2007 Nokia All rights rese...

Page 25: ...Sale flash concept 2 15 Flash concept with FPS 10 2 16 CU 4 flash concept with FPS 10 2 17 Module jig service concept 2 18 RF testing concept with RF coupler 2 19 Service concept for RF testing and RF BB tuning 2 20 List of Figures Figure 2 POS flash concept 2 15 Figure 3 Basic flash concept with FPS 10 2 16 Figure 4 CU 4 flash concept with FPS 10 2 17 Figure 5 Module jig service concept 2 18 Figu...

Page 27: ...g testing tuning and flashing on the engine level CU 4 supported It can only be used in conjunction with the SS 116 adapter The jig includes an RF interface for GSM and Bluetooth The following table shows the attenuation values for galvanic RF connetion Band Tuning channel Attenuation RX Attenuation TX GSM850 190 0 1 0 1 GSM900 37 0 1 0 1 GSM1800 700 0 15 0 15 GSM1900 661 0 15 0 15 RJ 148 Solderin...

Page 28: ...RX TX Att dB Tolerance TX EGSM 900 Low 4 1 5 9 1 Mid 4 4 3 High 6 3 7 GSM 1800 Low 6 1 6 3 1 Mid 7 6 5 High 6 6 5 GSM 1900 Low 6 1 7 3 1 Mid 6 6 9 High 6 7 Nokia 3500c RM 273 Band Channel RX Att dB Tolerance RX TX Att dB Tolerance TX EGSM 850 Low 6 1 7 4 1 Mid 6 6 8 High 6 6 4 GSM 1800 Low 8 1 6 3 1 Mid 8 6 8 High 7 6 4 GSM 1900 Low 5 1 7 5 1 Mid 5 7 High 5 6 4 RM 272 RM 273 Service Tools and Serv...

Page 29: ...g to the transceiver type that it can be used with Remove the existing adaptor frame and replace with SS 116 to enable MJ 122 re use with RM 237 272 273 274 phone General tools The table below gives a short overview of service tools that can be used for testing error analysis and repair of product RM 272 RM 273 refer to various concepts RM 272 RM 273 Service Tools and Service Concepts Issue 1 COMP...

Page 30: ...or Hub FBUS and USB connections supported When using CU 4 note the special order of connecting cables and other service equipment Instructions 1 Connect a service tool jig flash adapter to CU 4 2 Connect CU 4 to your PC with a USB cable 3 Connect supply voltage 12 V 4 Connect an FBUS cable if necessary 5 Start Phoenix service software Note Phoenix enables CU 4 regulators via USB when it is started...

Page 31: ...sh adapter Smart card FPS 10 flash prommer features Flash functionality for BB5 and DCT 4 terminals Smart Card reader for SX 2 or SX 4 USB traffic forwarding USB to FBUS Flashbus conversion LAN to FBUS Flashbus and USB conversion Vusb output switchable by PC command FPS 10 sales package includes FPS 10 prommer Power Supply with 5 country specific cords USB cable Note FPS 21 is substitute FPS 10 if...

Page 32: ...ace To use this USB dongle for security service functions please register the dongle in the same way as the PKD 1 series dongle PKD 1 SW security device SW security device is a piece of hardware enabling the use of the service software when connected to the parallel LPT port of the PC Without the device it is not possible to use the service software Printer or any such device can be connected to t...

Page 33: ... covers SS 45 Front camera removal tool The front camera removal tool SS 45 is used to remove attach the front camera module from to the socket SS 46 Interface adapter SS 46 acts as an interface adapter between the flash adapter and FPS 10 RM 272 RM 273 Service Tools and Service Concepts Issue 1 COMPANY CONFIDENTIAL Page 2 11 Copyright 2007 Nokia All rights reserved ...

Page 34: ...4 is a BB5 security device used to protect critical features in tuning and testing SX 4 is also needed together with FPS 10 when DCT 4 phones are flashed Cables The table below gives a short overview of service tools that can be used for testing error analysis and repair of product RM 272 RM 273 refer to various concepts CA 31D USB cable The CA 31D USB cable is used to connect FPS 10 or FPS 11 to ...

Page 35: ...serial port and module jigs flash adapters or docking station adapters Note Docking station adapters valid for DCT4 products DKE 2 Mini USB cable USB to mini USB connector cable PCS 1 Power cable The PCS 1 power cable DC is used with a docking station a module jig or a control unit to supply a controlled voltage RM 272 RM 273 Service Tools and Service Concepts Issue 1 COMPANY CONFIDENTIAL Page 2 1...

Page 36: ...he module jig to the bluetooth test box JBT 9 XRS 6 RF cable The RF cable is used to connect for example a module repair jig to the RF measurement equipment SMA to N Connector approximately 610 mm Attenuation for GSM850 900 0 3 0 1 dB GSM1800 1900 0 5 0 1 dB WLAN 0 6 0 1dB RM 272 RM 273 Service Tools and Service Concepts Page 2 14 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserv...

Page 37: ...uct specific devices BL 4C Battery Other devices ACP 8 Power adapter FLS 4S or FLS 5 POS flash dongle PC with Phoenix service software Cables DKE 2 USB connectivity cable RM 272 RM 273 Service Tools and Service Concepts Issue 1 COMPANY CONFIDENTIAL Page 2 15 Copyright 2007 Nokia All rights reserved ...

Page 38: ...h adapter Other devices FPS 10 Flash prommer box PKD 1 PK 1 SW security device SS 46 Interface adapter PC with Phoenix service software Cables XCS 4 Modular cable CA 35S Power cable USB cable RM 272 RM 273 Service Tools and Service Concepts Page 2 16 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Page 39: ...CU 4 Control unit FPS 10 Flash prommer box PKD 1 PK 1 SW security device SS 62 Flash adapter base SX 4 Smart card PC with Phoenix service software Cables PCS 1 Power cable XCS 4 Modular cable Standard USB cable USB cable RM 272 RM 273 Service Tools and Service Concepts Issue 1 COMPANY CONFIDENTIAL Page 2 17 Copyright 2007 Nokia All rights reserved ...

Page 40: ...rol unit FPS 10 Flash prommer box PKD 1 PK 1 SW security device SX 4 Smart card PC with VPOS and Phoenix service software Measurement equipment Cables PCS 1 DC power cable XCS 4 Modular cable XRF 1 RF cable USB cable RM 272 RM 273 Service Tools and Service Concepts Page 2 18 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Page 41: ...ash adapter SA 123 RF coupler Other devices CU 4 Control unit SX 4 Smart card FPS 10 Flash prommer box PKD 1 PK 1 SW security device SS 62 Flash adapter base Measurement equipment PC with Phoenix service software Cables PCS 1 Power cable RM 272 RM 273 Service Tools and Service Concepts Issue 1 COMPANY CONFIDENTIAL Page 2 19 Copyright 2007 Nokia All rights reserved ...

Page 42: ...esting and RF BB tuning Type Description Product specific devices MJ 122 Module jig Other devices CU 4 Control unit PKD 1 PK 1 SW security device SX 4 Smart card Measurement equipment Smart card reader PC with Phoenix service software RM 272 RM 273 Service Tools and Service Concepts Page 2 20 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Page 43: ...Cables DAU 9s MBUS cable PCS 1 DC power cable XRS 6 RF cable GPIB control cable USB cable RM 272 RM 273 Service Tools and Service Concepts Issue 1 COMPANY CONFIDENTIAL Page 2 21 Copyright 2007 Nokia All rights reserved ...

Page 47: ...4 Audio troubleshooting 3 25 Introduction to acoustics troubleshooting 3 25 Audio troubleshooting test instructions 3 25 Earpiece troubleshooting 3 28 Internal earpiece troubleshooting 3 29 External headset earpiece troubleshooting 3 30 IHF troubleshooting 3 31 IHF troubleshooting 3 32 Microphone troubleshooting 3 33 Internal microphone troubleshooting 3 34 External headset microphone troubleshoot...

Page 48: ...J3206 3 19 Figure 12 Single ended output waveform of the Ext_in_HP_out measurement when earpiece is connected 3 26 Figure 13 Differential output waveform of the Ext_in_IHF_out out loop measurement when speaker is connected 3 27 Figure 14 Single ended output waveform of the HP_in_Ext_out loop when microphone is connected 3 27 Figure 15 BER test result 3 37 Figure 16 Bluetooth self tests in Phoenix ...

Page 49: ...ing does not work Charging page 3 8 Display does not work Display fault page Backlights do not work 1 Backlight page 3 23 2 LED driver page 3 8 USB does not work USB page 3 42 Audio mic earpiece IHF does not work 1 Audio page 3 25 2 Acoustics page 3 25 Camera does not work 1 Camera baseband hardware page 3 11 2 Camera viewfinder page 3 12 3 Bad image quality page 3 13 Bluetooth does not work Bluet...

Page 50: ...ging troubleshooting General power checking troubleshooting Troubleshooting flow RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Page 3 6 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Page 51: ...attery current measuring fault troubleshooting Troubleshooting flow RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 7 Copyright 2007 Nokia All rights reserved ...

Page 52: ...Charging troubleshooting Troubleshooting flow RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Page 3 8 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Page 53: ...Clocking troubleshooting Troubleshooting flow RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 9 Copyright 2007 Nokia All rights reserved ...

Page 54: ...ing a test picture remember the following Avoid bright fluorescent light 50 60Hz electrical network or high artificial illumination levels If the phone is hot let it rest for a while before taking the picture Make sure the optical system is clean Use highest possible resolution Make sure the light is suffiecient bright office lightning Do not take the picture towards light source Be as still as po...

Page 55: ...Camera hardware troubleshooting Troubleshooting flow RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 11 Copyright 2007 Nokia All rights reserved ...

Page 56: ...Camera viewfinder troubleshooting Troubleshooting flow RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Page 3 12 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Page 57: ...Camera Bad image quality troubleshooting Troubleshooting flow RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 13 Copyright 2007 Nokia All rights reserved ...

Page 58: ...COMBO memory troubleshooting Troubleshooting flow RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Page 3 14 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Page 59: ...Flash programming fault troubleshooting Part 1 RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 15 Copyright 2007 Nokia All rights reserved ...

Page 60: ...ment for the rise of the BSI signal Figure 9 Flashing pic 2 Take single trig measurement for the rise of the BSI signal RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Page 3 16 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Page 61: ...FM radio troubleshooting Troubleshooting flow RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 17 Copyright 2007 Nokia All rights reserved ...

Page 62: ... the microSD card reader is located under the battery cover Figure 10 Location of the microSD card reader in RM 272 273 RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Page 3 18 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Page 64: ...enu Table 6 Display module troubleshooting cases Display blank There is no image on the display The display looks the same when the phone is on as it does when the phone is off The backlight can be on in some cases Image on the display not correct Image on the display can be corrupted or a part of the image can be missing If a part of the image is missing change the display module If the image is ...

Page 65: ...that are within 5 mm of each other should be interpreted as combined dot defect Steps 1 Verify with a working display that the fault is not on the display module itself The display module cannot be repaired 2 Check that the cellular engine is working normally i To check the functionality connect the phone to a docking station ii StartPhoenix service software iii Read the phone information to check...

Page 66: ...Display troubleshooting Troubleshooting flow RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Page 3 22 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Page 67: ...be adjusted manually and it affects both the display and keypad Keyboard backlights can be turned ON OFF separately but not without switching on the display lights Display and keyboard backlight troubleshooting RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 23 Copyright 2007 Nokia All rights reserved ...

Page 68: ...LED driver troubleshooting LED driver troubleshooting RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Page 3 24 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Page 69: ...ed against the ground Internal handsfree output is measured using a current probe if a special low pass filter designed for measuring a digital amplifier is not available Note also that when using a current probe the input signal frequency must be set to 2kHz The input signal for each loop test can be single ended Required equipment The following equipment is needed for the tests Oscilloscope Func...

Page 70: ...L and GND External Mic to Internal Earpiece XMICP and GND EarP and GND 4 0 750 490 1 2 NA EarN and GND External Mic to Internal handsfree XMICP and GND E2101 pad 8 5 920 2520 0 25mA calc E2102 pad Internal Mic to External Earpiece B2100 OUT GND HSEAR R and GND 22 7 100 1360 1 2 NA HSEAR L and GND Measurement data Figure 12 Single ended output waveform of the Ext_in_HP_out measurement when earpiece...

Page 71: ...p measurement when speaker is connected Figure 14 Single ended output waveform of the HP_in_Ext_out loop when microphone is connected RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 27 Copyright 2007 Nokia All rights reserved ...

Page 72: ...Earpiece troubleshooting Troubleshooting flow RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Page 3 28 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Page 73: ...Internal earpiece troubleshooting Troubleshooting flow RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 29 Copyright 2007 Nokia All rights reserved ...

Page 74: ...External headset earpiece troubleshooting Troubleshooting flow RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Page 3 30 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Page 77: ...Microphone troubleshooting Troubleshooting flow RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 33 Copyright 2007 Nokia All rights reserved ...

Page 78: ...Internal microphone troubleshooting Troubleshooting flow RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Page 3 34 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Page 79: ...External headset microphone troubleshooting Troubleshooting flow RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 35 Copyright 2007 Nokia All rights reserved ...

Page 80: ...ayouts section Bluetooth settings for Phoenix Steps 1 Start Phoenix service software 2 From the File menu choose Open Product and then choose the correct type designator from the Product list 3 Place the phone to a flash adapter in the local mode 4 Choose Testing Bluetooth LOCALS 5 Locate JBT 9 s serial number 12 digits found in the type label on the back of JBT 9 In addition to JBT 9 also SB 6 JB...

Page 81: ... adapter 4 From the Mode drop down menu set mode to Local 5 Choose Testing Self Tests 6 In the Self Tests window check the following Bluetooth related tests ST_LPRF_IF_TEST ST_LPRF_AUDIO_LINES_TEST ST_BT_WAKEUP_TEST RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 37 Copyright 2007 Nokia All rights reserved ...

Page 82: ...Context Basic encoding rules BER is a self identifying and self delimiting encoding scheme which means that each data value can be identified extracted and decoded individually RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Page 3 38 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Page 83: ...Part 1 Bluetooth self test passed but BER test failed RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 39 Copyright 2007 Nokia All rights reserved ...

Page 85: ...etooth audio and UI activation troubleshooting Troubleshooting flow RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 41 Copyright 2007 Nokia All rights reserved ...

Page 86: ...USB interface troubleshooting Troubleshooting flow RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Page 3 42 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Page 87: ...fic Phoenix data package PKD 1 dongle SX 4 smart card Enables BB5 testing and tuning features External smart card reader Note The smart card reader is only needed when FPS 20 is used FPS 10 has an integrated smart card reader Activated FPS 20 flash prommer OR FPS 10 flash prommer Flash update package 007 007 016 or newer for FPS 20 or FPS 10 flash prommers CU 4 control unit USB cable from PC USB P...

Page 88: ...lashing Firmware Update and wait until Phoenix reads the product data as shown in the following picture v To continue click Start Progress bars and messages on the screen show actions during phone programming please wait RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Page 3 44 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Page 89: ...ndow and then choose File Close Product 2 Create a Request file For this procedure you must supply 12 V to CU 4 from an external power supply i To connect the phone with Phoenix choose File Scan Product ii Choose Tools Certificate Restore RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 45 Copyright 2007 Nokia All rights reserved ...

Page 90: ...for certificate restore has been created send it to Nokia as an e mail attachment 3 Restore certificate For this procedure you must supply 12 V to CU 4 from an external power supply i Save the reply file sent by Nokia to your computer ii Start Phoenix service software iii Choose File Scan Product RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Page 3 46 COMPANY CONFIDENTIAL Issue 1 Copyri...

Page 91: ...ame of the file and the path where it is located are shown vii To write the file to phone click Start Next actions After a successful rewrite you must retune the phone completely by using Phoenix tuning functions Important Perform all tunings RF BB and UI RM 272 RM 273 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 47 Copyright 2007 Nokia All rights reserved ...

Page 92: ...formed before other item s However if all calibrations are selected at the same time there is no need to perform the ADC calibration first 8 Click Calibrate The calibration of the selected item s is carried out automatically The candidates for the new calibration values are shown in the Calculated values column If the new calibration values seem to be acceptable please refer to the following Calib...

Page 95: ...n GSM 4 24 Rx band filter response compensation GSM 4 27 GSM transmitter tunings 4 30 Tx IQ tuning GSM 4 30 Tx power level tuning GSM 4 32 List of Tables Table 9 Rf channel filter calibration tuning limits 4 23 Table 10 RF tuning limits in Rx calibration 4 26 List of Figures Figure 17 RF key components bottom side main board 4 6 Figure 18 RF block 4 8 Figure 19 The visual differences between BOM1 ...

Page 97: ...ing irons The RF ASIC and FEM are moisture sensitive so parts must be pre baked prior to soldering In addition to key components there are lot of discrete components resistors inductors and capacitors which troubleshooting is done mainly by checking if the soldering of the component is done properly Capacitor can be checked for shorts and resistors for value by means of an ohmmeter but be aware in...

Page 98: ... also identical However it is not possible to mix BOM1 and BOM3 parts Therefore during troubleshooting you must identify whether you are working on a BOM1 or BOM3 PWB and only use components which belong to that particular BOM BOM1 or BOM3 You must not use BOM3 parts to repair BOM1 or BOM1 parts to repair BOM3 RM 272 RM 273 RF Troubleshooting and Manual Tuning Guide Page 4 6 COMPANY CONFIDENTIAL I...

Page 99: ...J Q28 800MHz 3646007 27nH J Q27 800MHz L7505 3646063 CHIP COIL 22N J Q28 800MHZ 0402 3646097 CHIP COIL 39N J Q24 800MHZ 0402 N7520 4355929 PA RF9282E6 5 GSM EDGE 850 900 1800 1900 4355976 POW AMP RPF89002B GSM EDGE QUAD BAND Z7501 4511597 DUAL RX SAW FILTER 1800 1900 MHz 2016 4511821 SAW FILT DUAL 1800 1900 MHz 2016 Z7503 4000041 SAW MODULE TX GSM 850 900MHz 4 5x3 2 4000065 TX SAW MODULE GSM 850 9...

Page 100: ...F block which is highlighted in the figure above The figure below aids identifying BOM1 and BOM3 RM 272 RM 273 RF Troubleshooting and Manual Tuning Guide Page 4 8 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Page 101: ... with 12 V supply The DC supply voltage is set to 3 7 V by default in Phoenix 3 Connect an RF cable between the RF connector of the module test jig MJ 122 and measurement equipment or alternatively use a 50 Ω at least 2 W dummy load in the module test jig RF connector otherwise the RF part may be damaged Note Make sure that all connections are made to the correct RF connector 4 Set Rx on i Set the...

Page 102: ...he values in the Service tools section Apply a signal to the RF connector remember to compensate for cable attenuation See values in the table below Band Channel RX and TX Input frequency MHz Offset kHz Power level dBm GSM850 190 881 66771 67 710 90 GSM900 37 942 46771 67 710 90 GSM1800 700 1842 86771 67 710 90 GSM1900 661 1960 06771 67 710 90 RM 272 RM 273 RF Troubleshooting and Manual Tuning Gui...

Page 103: ...art with the lowest band and end with GSM1900 Receiver troubleshooting Apply a signal according to the table in General instructions for RX troubleshooting page 4 9 RM 272 RM 273 RF Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 4 11 Copyright 2007 Nokia All rights reserved ...

Page 106: ...sure that the tester is set to continuous mode not to burst mode 4 In the RSSI Reading window select the appropriate band and channel Figure 21 RSSI Reading window 5 To start the measurement activate GSM Rx chain click Start Results RSSI reading values of the selected band and channel are displayed The RSSI level must be the same value as that which is set at the signal generator 80 dBm Transmitte...

Page 107: ...oad in the module test jig RF connector otherwise GSM may be damaged Note There are two antenna connectors in the module jig one for GSM one for Bluetooth Make sure that all connections are made to the correct RF connector Normally a spectrum analyser is used as measurement equipment Note The maximum input power of a spectrum analyser is 30 dBm To prevent any damage it is recommended to use 10 dB ...

Page 108: ...ault Set Tx PA mode to High Default Set power level see table below Band Channel RX and TX TX power level GSM850 190 5 GSM900 37 5 GSM1800 700 0 GSM1900 661 0 Figure 22 RF Controls window RM 272 RM 273 RF Troubleshooting and Manual Tuning Guide Page 4 16 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Page 109: ...Transceiver TX troubleshooting Troubleshooting flow RM 272 RM 273 RF Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 4 17 Copyright 2007 Nokia All rights reserved ...

Page 110: ...WB and the antenna is visually intact BT antenna The BT antenna is as the GSM antenna placed on the flex foil on the antenna module It has one feed and one short contact The antenna is functioning normally if the contact pads hit the antenna C clips on the PWB and the antenna is visually intact Figure 23 Location of the GSM and BT antenna C clips on the PWB RM 272 RM 273 RF Troubleshooting and Man...

Page 111: ...ips When checking the antenna functionality you can also check that the antenna C clips are intact that is there are no cracks bends in them RM 272 RM 273 RF Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 4 19 Copyright 2007 Nokia All rights reserved ...

Page 113: ...Synthesizer troubleshooting Synthesizer troubleshooting RM 272 RM 273 RF Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 4 21 Copyright 2007 Nokia All rights reserved ...

Page 114: ... setup For RF attenuations of the module jig please refer to the Service tools section Auto tuning for BB5 0 This phone can be tuned automatically Autotune is designed to align the phone s RF part easier and faster It performs calibrations tunings and measurements of RX and TX The results are displayed and logged in a result file if initiated Hardware set up Hardware requirements for auto tuning P...

Page 115: ... calibration tunes the internal low pass filters of the RF ASIC that limit the bandwidth of BB IQ signals Table 9 Rf channel filter calibration tuning limits Min Typ Max Tx filter 0 10 31 RX mixer 0 13 31 Rx filter 0 16 31 Steps 1 From the Operating mode drop down menu set mode to Local 2 Choose Tuning Rf Channel Filter Calibration 3 Click Tune 4 To save the values to the PMM Phone Permanent Memor...

Page 116: ...to the actual chips on the board 5 To end the procedure click Close GSM receiver tunings Rx calibration GSM Context Rx Calibration is used to find out the real gain values of the GSM Rx AGC system and tuning response of the AFC system AFC D A init value and AFC slope Steps 1 Connect the GSM connector of the module jig to a signal generator 2 Start Phoenix service software 3 From the Operating mode...

Page 117: ...n with band EGSM900 step 1 3 pop up window Important The calibration uses a non modulated CW signal Increase the signal generator level by cable attenuation and module jig probe attenuation RM 272 RM 273 RF Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 4 25 Copyright 2007 Nokia All rights reserved ...

Page 118: ...50 AFC Value init 200 80 40 200 AFC slope 0 108 121 200 RSSI AGC 0 106 107 110 114 dB GSM900 AFC Value init 200 105 62 200 AFC slope 0 122 200 RSSI AGC 0 106 107 110 114 dB GSM1800 RSSI AGC 0 105 105 109 114 dB GSM1900 RSSI AGC 0 105 105 109 114 dB RM 272 RM 273 RF Troubleshooting and Manual Tuning Guide Page 4 26 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Page 119: ...t of the RF ASIC front end The amplitude ripple caused by these filters causes ripple to the RSSI measurement and therefore calibration is needed The calibration has to be repeated for each GSM band Steps 1 Connect the GSM connector of the module jig to a signal generator 2 Start Phoenix service software 3 From the Operating mode drop down menu set mode to Local RM 272 RM 273 RF Troubleshooting an...

Page 120: ...ck Start 8 Connect the signal generator to the phone and set frequency and amplitude as instructed in the Rx Band Filter Response Compensation for EGSM850 EGSM900 pop up window step 1 3 RM 272 RM 273 RF Troubleshooting and Manual Tuning Guide Page 4 28 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Page 121: ...140 871 66771 MHz 3 0 2 dB Ch 172 878 06771 MHz 2 0 2 dB Ch 190 881 66771 MHz 2 0 2 dB Ch 217 887 06771 MHz 2 0 2 dB Ch 241 891 86771 MHz 3 0 2 dB Ch 251 893 86771 MHz 3 0 2 dB Ch 261 895 86771 MHz 6 1 2 dB GSM900 Ch 965 923 26771 MHz 6 1 2 dB Ch 975 925 26771 MHz 3 0 2 dB Ch 987 927 66771 MHz 3 0 2 dB Ch 1009 932 06771 MHz 2 0 2 dB RM 272 RM 273 RF Troubleshooting and Manual Tuning Guide Issue 1 ...

Page 122: ...z 3 0 2 dB Ch 586 1945 06771 MHz 3 0 2 dB Ch 661 1960 06771 MHz 3 0 2 dB Ch 736 1975 06771 MHz 3 0 2 dB Ch 794 1986 66771 MHz 3 0 2 dB Ch 810 1989 86771 MHz 3 0 2 dB Ch 835 1994 86771 MHz 6 1 2 dB 12 If the values are within the limits click Next to continue to the next band Next actions Repeat the steps 8 to 12 for GSM1800 and GSM1900 GSM transmitter tunings Tx IQ tuning GSM Context The Tx path b...

Page 123: ...ick Next to start GSM1900 band TX IQ tuning 8 ClickFinish and then Close Next actions Tuning sliders should be close to the center of the scale after the tuning and within the limits specified in the following table If they are not within the limits check Tx IQ quality manually Min Typ Max Unit GSM850 I DC offset Q DC offset 6 4 6 Ampl 1 0 1 dB Phase 85 90 95 GSM900 RM 272 RM 273 RF Troubleshootin...

Page 124: ...smitter output power to fulfill the specifications For EDGE transmission the bias settings of the GSM PA are adjusted in order to improve linearity This affects the PA gain and hence the power levels have to be aligned separately for EDGE transmission Tx power level tuning has to be performed on all GSM bands Steps 1 Connect the phone to a spectrum analyzer 2 Start Phoenix service software 3 From ...

Page 125: ... Channel frequency 836 6 MHz GSM850 897 4MHz GSM900 1747 8MHz GSM1800 1880MHz GSM1900 Span 0 Hz Sweep time 2ms Trigger Video triggering 10dBm RM 272 RM 273 RF Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 4 33 Copyright 2007 Nokia All rights reserved ...

Page 126: ...Target dBm column by pressing or keys 8 If all bold power levels are adjusted click Next to continue with GSM850 EDGE 9 Adjust power for all bold power levels to correspond the Target dBm column by pressing or keys Next actions Continue tuning the bold power levels of the GSM900 GSM1800 and GSM1900 bands You will see this message if finished successfully RM 272 RM 273 RF Troubleshooting and Manual...

Page 129: ...tions 5 16 Electrical characteristics 5 16 Main RF characteristics 5 17 List of Tables Table 11 Normal and extreme voltages 5 16 Table 12 Channel numbers and frequencies 5 17 Table 13 Main RF characteristics 5 17 Table 14 Transmitter characteristics 5 18 Table 15 Receiver characteristics 5 19 List of Figures Figure 28 System block diagram 5 7 Figure 29 Board and module connections 5 8 Figure 30 Ol...

Page 131: ... processor RAPGSM D2800 Memory Combo 128 Mbit SDRAM 256 Mbit NOR flash D3000 RF ASIC Ahne N7505 Front end module Power amplifier and Antenna Switch N7520 Antenna Antenna module assembly RM 272 900 1800 1900 MHz RM 273 850 1800 1900 MHz System connector AV connector mini USB connector X2030 X2002 Battery BL 4C 3 7 V 860 mAh Bluetooth BC4 ROM N6030 FM radio TEA5760 N6100 IHF Speaker Donau or Aura in...

Page 134: ...ons Engine Engine modules The engine contains RF module with Ahne ASIC Main processor with integrated memory Baseband Energy management Retu and Tahvo Baseband RM 272 RM 273 System module Page 5 8 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Page 135: ...e power control loop VCTCXO control and for the modulated waveforms Main processor The main processor in this device is RAPGSM a BB5 0 ASIC Some of its interfaces processors and controllers are General purpose UARTs Processor modules I2C between ICs interface GSM coder Interfaces to user interface SIM and MMC Accessory interface Handling of RF BB interface I O voltage 1 8 V Core voltage 1 8 V Ener...

Page 136: ...temperature is measured on the NTC on the main board Battery connector The battery connector has three poles BSI Battery size indicator GND Ground VBAT Battery voltage The BSI line is used to recognize the battery capacity by a battery internal pull down resistor Charging This phone is charged through the smaller Nokia standard interface 2 0 mm plug The old standard charger 3 5 mm can be used toge...

Page 137: ...and transient frequency deviation Interfaces FM radio This phone uses a single chip electronically tuned FM stereo radio with low voltage application Figure 31 FM radio interface Camera Camera interface The RM 272 273 has a 2 0 Megapixel camera supported by a hardware accelerator RM 272 RM 273 System module Issue 1 COMPANY CONFIDENTIAL Page 5 11 Copyright 2007 Nokia All rights reserved ...

Page 138: ...hifting The SIM interface can support 3V and 1 8V SIM cards SIM Power up down The SIM power up down sequence is generated in Retu This means that Retu generates the reset switch RST signal to the SIM In addition the SIMCardDet signal is connected to Retu The SIM interface is powered up when the SIMCardDet signal indicates card in RM 272 RM 273 System module Page 5 12 COMPANY CONFIDENTIAL Issue 1 C...

Page 139: ...p and down switch Display and keypad backlight There are two sets of LEDs illuminating the display and the keypads Display LEDs 4pcs Main keypad on PWB 4 pcs white colour All sets share the same driver None of the keypads can be illuminated without the LCD backlight being turned on Audio concept Audio concept The functional core of the audio hardware is built around two ASICs RAP engine and Retu R...

Page 140: ...cted to the specific audio connector Figure 33 Audio block diagram Internal audio The internal audio components are used in these modes Hand portable HP mode Internal hands free IHF mode Microphone X X Earpiece X Speaker X RM 272 RM 273 System module Page 5 14 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Page 141: ...tial serial bus USB 2 0 is supported with full speed 12 Mbps Hot swap is supported which means that USB devices may be plugged in out at any time This phone is provided with a specific connector for mini USB Bluetooth Bluetooth provides a fully digital link for communication between a master unit and one or more slave units This bluetooth solution is a single chip solution Bluetooth connects to RA...

Page 142: ...rational all specs met 5 55 Functional reduced performance 30 70 Storage 30 85 The HW module complies with the SPR4 Operating Conditions Humidity Relative humidity range is 5 95 The hardware module is not protected against water Condensed or splashed water might cause malfunction Any submerge of the phone will cause permanent damage Long term high humidity with condensation will cause permanent da...

Page 143: ...90 0 2 n 1024 F 935 0 2 n 1024 MHz GSM1800 512 n 885 F 1710 2 0 2 n 512 F 1805 2 0 2 n 512 MHz GSM1900 512 n 810 F 1850 2 0 2 n 512 F 1930 2 0 2 n 512 MHz Table 13 Main RF characteristics Parameter Unit and value Cellular systems RM 272 EGSM900 GSM1800 GSM1900 RM 273 GSM850 GSM1800 GSM1900 RX Frequency range GSM850 869 894 MHz EGSM900 925 960 MHz GSM1800 1805 1880 MHz GSM1900 1930 1990 MHz TX Freq...

Page 144: ...SK GSM850 12 EGSM900 12 GSM1800 14 GSM1900 14 Table 14 Transmitter characteristics Item Values Type Direct conversion nonlinear FDMA TDMA LO frequency range GSM850 3296 3576 MHz 4 x TX freq EGSM900 3520 3660 MHz 4 x TX freq GSM1800 3420 3570 MHz 2 x TX freq GSM1900 3700 3820 MHz 2 x TX freq Output power GSM850 EGSM900 GSM1800 GSM1900 GMSK 33 33 30 30 dBm 8 PSK 26 5 26 5 25 5 25 5 dBm Gain control ...

Page 145: ... 3760 MHz 2 x RX freq GSM1900 3860 3980 MHz 2 x RX freq Typical 3 dB bandwidth 91 kHz Sensitivity min 102 dBm normal condition Total typical receiver voltage gain from antenna to RX ADC 86 dB Receiver output level RF level 95 dBm 40 mVpp single ended I Q signals to RX ADCs RM 272 RM 273 System module Issue 1 COMPANY CONFIDENTIAL Page 5 19 Copyright 2007 Nokia All rights reserved ...

Page 149: ...ooth CBus MCU controlled serial bus connected to UPP_WD2 UEME and Zocus CCP Compact Camera Port CDSP Cellular DSP expected to run at low levels CLDC Connected limited device configuration CMOS Complimentary metal oxide semiconductor circuit low power consumption COF Chip on Foil COG Chip on Glass CPU Central Processing Unit CSR cambridge silicon radio CSTN Color Super Twisted Nematic CTSI Clock Ti...

Page 150: ...bus GPRS General Packet Radio Service GSM Group Special Mobile Global System for Mobile communication HF Hands free HFCM Handsfree Common HS Handset HSCSD High speed circuit switched data data transmission connection faster than GSM HW Hardware I O Input Output IBAT Battery current IC Integrated circuit ICHAR Charger current IF Interface IHF Integrated hands free IMEI International Mobile Equipmen...

Page 151: ...et Data Application PDA Personal digital assistant PDRAM Program Data RAM on chip in Tiku Phoenix Software tool of DCT4 x PIM Personal Information Management PLL Phase locked loop PM Phone Permanent memory PUP General Purpose IO PIO USARTS and Pulse Width Modulators PURX Power up reset PWB Printed Wiring Board PWM Pulse width modulation RC filter Resistance Capacitance filter RF Radio Frequency RF...

Page 152: ...eceiver transmitter UEME Universal Energy Management chip Enhanced version UEMEK See UEME UI User Interface UPP Universal Phone Processor UPP_WD2 Communicator version of DCT4 system ASIC USB Universal Serial Bus VBAT Battery voltage VCHAR Charger voltage VCO Voltage controlled oscillator VCTCXO Voltage Controlled Temperature Compensated Crystal Oscillator VCXO Voltage Controlled Crystal Oscillator...

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Nokia 3500 classic RM-272, Service Manual

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