Nokia RM-626 Service Manual Download Page 47

Page: 47 / 244

Table of Contents

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3–7

Power and charging troubleshooting

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3–11

Battery current measuring fault troubleshooting

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3–11

General power checking troubleshooting

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3–11

Dead or jammed device troubleshooting

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3–13

Clocking troubleshooting

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3–14

USB charging troubleshooting

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3–15

Interface troubleshooting

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3–16

USB flashing fault troubleshooting

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3–16

USB data interface troubleshooting

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3–17

SIM card troubleshooting

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3–17

Memory troubleshooting

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3–20

External memory eMMC troubleshooting

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3–20

NOR troubleshooting

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3–21

SDRAM troubleshooting

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3–22

IVE troubleshooting

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3–23

Introduction to IVE troubleshooting

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3–23

IVE troubleshooting

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3–24

TV out troubleshooting

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3–25

Introduction to HDTV and SDTV troubleshooting

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3–25

HDTV out troubleshooting

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3–27

SDTV out troubleshooting

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3–27

Display module troubleshooting

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3–30

General instructions for display troubleshooting

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3–30

Introduction to display troubleshooting

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3–31

Display fault troubleshooting

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3–33

Touch panel troubleshooting

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3–33

Illumination troubleshooting

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3–35

Charging illumination troubleshooting

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3–35

Menu key lights troubleshooting

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3–36

Qwerty keys backlight troubleshooting

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3–37

Keyboard troubleshooting

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3–38

Keys troubleshooting

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3–38

Qwerty keyboard troubleshooting

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3–38

Power key troubleshooting

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3–40

Sensors troubleshooting

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3–41

Slide sensor troubleshooting

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3–41

Accelerometer troubleshooting

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3–42

Magnetometer troubleshooting

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3–43

Proximity sensor troubleshooting

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3–46

ALS technical description and troubleshooting

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3–47

Proximity sensor and ambient light sensor (ALS)

.................................................................................

3–47

Proximity tuning

......................................................................................................................................

3–47

ALS troubleshooting

................................................................................................................................

3–49

Audio troubleshooting

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3–49

Audio troubleshooting test instructions

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3–49

External earpiece troubleshooting

..............................................................................................................

3–51

External microphone troubleshooting

........................................................................................................

3–52

Internal earpiece troubleshooting

..............................................................................................................

3–53

Internal handsfree (IHF) troubleshooting

...................................................................................................

3–54

RM-626

BB Troubleshooting and Manual Tuning Guide

Issue 1

COMPANY CONFIDENTIAL

Page 3 – 3

Summary of Contents for RM-626

Page 2: ...Amendment Record Sheet Amendment No Date Inserted By Comments Issue 1 01 2011 MT RM 626 Amendment Record Sheet Page ii COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 3: ... Under 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 pur...

Page 4: ...ST 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 Ensure solder wire or foreign matter does not enter the telephone as damage may result Use only approved components as specified in the parts list Ensure ...

Page 5: ...ly 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 626 For your safety Issue 1 COMPANY CONFIDENTIAL Page v Copyright 2011 Nokia All rights reserved ...

Page 6: ...an be 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 info...

Page 7: ... batteries 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 clo...

Page 8: ...er 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 626 Company policy Page viii C...

Page 9: ...essory 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 ...

Page 11: ... and Service Concepts 3 BB Troubleshooting and Manual Tuning Guide 4 Cellular RF troubleshooting 5 Camera Module Troubleshooting 6 System Module Glossary RM 626 Nokia E7 00 L3 4 Service Manual Structure Issue 1 COMPANY CONFIDENTIAL Page xi Copyright 2011 Nokia All rights reserved ...

Page 15: ...1 Main RF characteristics for GSM850 900 1800 1900 and WCDMA VIII V IV II I phones 1 11 Battery endurance 1 13 Environmental conditions 1 13 List of Tables Table 1 Audio 1 9 Table 2 Car 1 10 Table 3 Data 1 11 Table 4 Messaging 1 11 Table 5 Power 1 11 List of Figures Figure 1 View of RM 626 1 5 RM 626 General Information Issue 1 COMPANY CONFIDENTIAL Page 1 3 Copyright 2011 Nokia All rights reserved...

Page 17: ...nly mode RM 626 supports MSC 33 max 5 Rx 4 TX sum 6 timeslots resulting in maximum download speed of up to 296 kbit s with EGPRS and up to 107 kbit s with GPRS RM 626 has a large AMOLED nHD 4 640 x 360 pixels display active area 49 14 mm x 87 36 mm with 16 million colors It also has an 8 megapixel EDOF camera 2 x digital zoom and an integrated dual LED flash The device supports two way video calls...

Page 18: ...lour tone normal sepia B W vivid negative Zoom digital 3x Video recording indicator Photo Still image resolutions up to 8 megapixel 3280 x 2464 Aspect ratio 16 9 or 4 3 View finder full screen view finder 6MPix Still image file format JPEG EXIF Auto exposure center weighted AE Image orientation automatic Automatic red eye removal Face tracking Exposure compensation 2 2EV at 0 5 step White balance ...

Page 19: ...C Nokia Lifeblog mobile PC Music Digital music player supports MP3 AAC eAAC eAAC WMA AMR NB AMR WB with playlists equalizer and album art Synchronise music with Microsoft Windows Media Player 10 11 One click CD ripping converting and transferring music to your device using Nokia Music Manager Stereo FM radio 87 5 108 MHz 76 90 MHz with Visual Radio support Bluetooth speakers Integrated handsfree s...

Page 20: ... Finder WLAN IEEE802 11 g b n with UPnP support HDMI type C connector Micro USB interface with USB 2 0 high speed Bluetooth wireless technology 3 0 Nokia 3 5 mm AV connector Add on software framework Symbian 3 for Nokia devices Java MIDP2 1 C and Java SDKs Flash Lite 4 0 Additional technical specifications Vibrating alert 3GPP Rel 5 6 WCDMA Rel 4 EGSM compliant Speech codecs supported AMR NB AMR W...

Page 21: ...B 3EQ UI flex module 3ES Qwerty flex module 3ET Mobile enhancements Table 1 Audio Enhancement Type Music headset WH 205 inbox Nokia Wireless Stereo Gateway AD 42W Mini speakers MD 8 MD 9 Hearing aids HDA 12 LPS 5 Wired headsets WH 502 WH 700 WH 701 WH 800 WH 900 RM 626 General Information Issue 1 COMPANY CONFIDENTIAL Page 1 9 Copyright 2011 Nokia All rights reserved ...

Page 22: ... BH 902 BH 904 BH 905 Bluetooth speakers MD 5W MD 7W Table 2 Car Enhancement Type Nokia Universal Mobile Holder CR 122 Speakerphone HF 310 HF 510 Car kit CK 100 Multimedia car kit CK 300 Display car kit CK 600 Mobile charger DC 6 DC 10 DC 11 RM 626 General Information Page 1 10 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 23: ...ttery 1200 mAh Li ion BL 4D Travel charger AC 6 AC 10 inbox Technical specifications Transceiver general specifications Unit Dimensions L x W x T mm Weight g Volume cm3 Transceiver with BL 4D 1200 mAh Li ion battery pack 123 7 x 62 4 x 13 6 175 97 8 Main RF characteristics for GSM850 900 1800 1900 and WCDMA VIII V IV II I phones Parameter Unit Cellular system GSM850 EGSM900 GSM1800 1900 WCDMA VIII...

Page 24: ...55 MHz WCDMA II 1900 1850 1910 MHz WCDMA I 2100 1920 1980 MHz Output power GSM850 5 33 dBm 3 2 mW 2 W GSM900 5 33 dBm 3 2 mW 2 W GSM1800 0 30 dBm 1 0 mW 1 W GSM1900 0 30 dBm 1 0 mW 1 W WCDMA VIII 900 50 24 dBm 0 01 μW 251 mW WCDMA V 850 50 24 dBm 0 01 μW 251 mW WCDMA IV 1700 2100 50 24 dBm 0 01 μW 251 mW WCDMA II 1900 50 24 dBm 0 01 μW 251 mW WCDMA I 2100 50 24 dBm 0 01 μW 251 mW EDGE output power...

Page 25: ...II 1900 75 WCDMA I 2100 75 Battery endurance Battery Capacity mAh Talk time Stand by Music playback Video playback H 264 720p 30fps BL 4D 1200 Up to 9 h GSM Up to 5 h WCDMA Up to 430 h GSM Up to 470 h WCDMA Up to 50 h Up to 7 h Environmental conditions Temperature conditions Environmental condition Ambient temperature Notes Normal operation 15oC 55oC Specifications fulfilled Reduced performance 25...

Page 26: ...cause malfunction Any submersion of the phone will cause permanent damage Long term high humidity with condensation will cause permanent damage because of corrosion Vibration The module should withstand the following vibrations 5 10 Hz 10dB octave 10 50 Hz 5 58 m2 s3 0 0558 g2 Hz 50 300 Hz 10 dB octave ESD strength Conducted discharge is 8 kV 10 discharges and air contact 15 kV 10 discharges The s...

Page 29: ...e concepts 2 13 POS Point of Sale flash concept 2 13 Flashing certificate restore and product code change option 2 2 14 Module jig service concept 2 15 RF testing and BB RF tuning concept with module jig 2 16 List of Figures Figure 2 POS flash concept 2 13 Figure 3 Flashing certificate restore and product code change 2 14 Figure 4 Module jig service concept 2 15 Figure 5 RF testing and BB RF tunin...

Page 31: ...ides galvanic connection to all needed test pads in module Connector for control unit Access for AV and USB connectors CA 158RS cable is used together with this jig for RF testing Attenuation values for CA 158RS cable Band Default f MHz RX Att RX Default f MHz TX Att TX GSM 850 881 6 0 1 836 6 0 1 GSM 900 942 4 0 1 897 4 0 1 GSM 1800 1842 8 0 2 1747 8 0 2 GSM 1900 1960 0 0 2 1880 0 0 2 WCDMA I 214...

Page 32: ...e of the service devices and the best effort of workbench setup please refer to various concepts AC 35 Power supply Universal power supply for FPS 21 included in the FPS 21 sales package Input 100V 230V 50Hz 60Hz output voltage of 12 V and output current up to 3 A ACF 8 Universal power supply The ACF 8 universal power supply is used to power FLS 5 RM 626 Service Tools and Service Concepts Page 2 6...

Page 33: ...nector 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 sta...

Page 34: ...ing the external power supply AC 35 Two USB A type ports USB1 USB3 Can be used for example for connecting external storage memory devices or mobile devices One USB B type device connector USB2 For connecting a PC Phone connector Service cable connection for connecting Flashbus FLA Ethernet RJ45 type socket LAN For connecting the FPS 21 to LAN Inside Four SD card memory slots For internal storage m...

Page 35: ... a series interface To use this USB dongle for security service functions please register the dongle in the same way as the PKD 1 series dongle RJ 230 Soldering jig RJ 230 is a soldering jig used for soldering and as a rework jig for the engine module SB 6 Bluetooth test and interface box sales package The SB 6 test box is a generic service device used to perform Bluetooth bit error rate BER testi...

Page 36: ...ove attach the camera module from to the socket SS 93 Opening tool SS 93 is used for opening JAE connectors Note The SS 93 is included in Nokia Standard Toolkit SX 4 Smart card SX 4 is a BB5 security device used to protect critical features in tuning and testing SX 4 is also needed together with FPS 21 when DCT 4 phones are flashed RM 626 Service Tools and Service Concepts Page 2 10 COMPANY CONFID...

Page 37: ...rious concepts CA 101 Micro USB cable The CA 101 is a USB to microUSB data cable that allows connections between the PC and the phone CA 158RS RF tuning cable Product specific adapter cable for RF tuning CA 31D USB cable The CA 31D USB cable is used to connect FPS 21 to a PC It is included in the FPS 21 sales package RM 626 Service Tools and Service Concepts Issue 1 COMPANY CONFIDENTIAL Page 2 11 ...

Page 38: ...he PC s serial port and module jigs flash adapters or docking station adapters Note Docking station adapters valid for DCT4 products 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 626 Service Tools and Service Concepts Page 2 12 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 39: ...0 900 0 3 0 1 dB GSM1800 1900 0 5 0 1 dB WCDMA WLAN 0 6 0 1dB Service concepts POS Point of Sale flash concept Figure 2 POS flash concept Type Description Product specific tools BL 4D Battery Other tools FLS 5 POS flash dongle PC with service software RM 626 Service Tools and Service Concepts Issue 1 COMPANY CONFIDENTIAL Page 2 13 Copyright 2011 Nokia All rights reserved ...

Page 40: ... product code change Type Description Product specific devices BL 4D Battery Other devices FPS 21 Flash prommer box AC 35 Power supply PK 1 SW security device SX 4 Smart card PC with service software Cables CA 101 Micro USB cable RM 626 Service Tools and Service Concepts Page 2 14 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 41: ...dule jig Other devices CU 4 Control unit FPS 21 Flash prommer box PK 1 SW security device SX 4 Smart card PC with service software Measurement equipment Cables CA 101 Micro USB cable PCS 1 DC power cable XRS 6 RF cable RM 626 Service Tools and Service Concepts Issue 1 COMPANY CONFIDENTIAL Page 2 15 Copyright 2011 Nokia All rights reserved ...

Page 42: ... BB RF tuning concept with module jig Type Description Product specific tools MJ 271 Module jig Other tools CU 4 Control unit PK 1 SW security device SX 4 Smart card PC with service software Smart card reader Cables DAU 9S MBUS cable PCS 1 Power cable RM 626 Service Tools and Service Concepts Page 2 16 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 43: ...pe Description XRS 6 RF cable USB cable CA 158RS Product specific RF adapter cable RM 626 Service Tools and Service Concepts Issue 1 COMPANY CONFIDENTIAL Page 2 17 Copyright 2011 Nokia All rights reserved ...

Page 47: ...0 Introduction to display troubleshooting 3 31 Display fault troubleshooting 3 33 Touch panel troubleshooting 3 33 Illumination troubleshooting 3 35 Charging illumination troubleshooting 3 35 Menu key lights troubleshooting 3 36 Qwerty keys backlight troubleshooting 3 37 Keyboard troubleshooting 3 38 Keys troubleshooting 3 38 Qwerty keyboard troubleshooting 3 38 Power key troubleshooting 3 40 Sens...

Page 48: ...7 Certificate restoring 3 77 Product code change 3 80 Energy management calibration 3 84 List of Tables Table 6 Display module troubleshooting cases 3 30 Table 7 Pixel defects 3 31 Table 8 Defects table 3 31 Table 9 Calibration value limits 3 85 List of Figures Figure 6 SIM power on sequence on X2700 3 19 Figure 7 SIM connector X2700 contacts 3 19 Figure 8 Expected Crystal clock input to BCM2727B ...

Page 51: ...hoenix self tests If a test fails please follow the diagrams below If the phone is dead and you cannot perform the self tests go to Dead or jammed device troubleshooting RM 626 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 7 Copyright 2011 Nokia All rights reserved ...

Page 55: ...ng troubleshooting Battery current measuring fault troubleshooting Troubleshooting flow RM 626 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 11 Copyright 2011 Nokia All rights reserved ...

Page 56: ...General power checking troubleshooting Troubleshooting flow RM 626 BB Troubleshooting and Manual Tuning Guide Page 3 12 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 57: ...Dead or jammed device troubleshooting Troubleshooting flow RM 626 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 13 Copyright 2011 Nokia All rights reserved ...

Page 60: ...face troubleshooting USB flashing fault troubleshooting Troubleshooting flow RM 626 BB Troubleshooting and Manual Tuning Guide Page 3 16 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 61: ...USB data interface troubleshooting Troubleshooting flow RM 626 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 17 Copyright 2011 Nokia All rights reserved ...

Page 63: ...ure 6 SIM power on sequence on X2700 Figure 7 SIM connector X2700 contacts RM 626 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 19 Copyright 2011 Nokia All rights reserved ...

Page 64: ...ry troubleshooting External memory eMMC troubleshooting Troubleshooting flow RM 626 BB Troubleshooting and Manual Tuning Guide Page 3 20 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 65: ...nterface between the memory and the digital ASIC It is used for accessing the memory IC for SW instructions and data Troubleshooting flow RM 626 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 21 Copyright 2011 Nokia All rights reserved ...

Page 66: ...terface between the memory and the digital Asic It is used for accessing the memory IC for SW instructions and data Troubleshooting flow RM 626 BB Troubleshooting and Manual Tuning Guide Page 3 22 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 67: ...E BCM2727B IC The following test points on the PWB help in the effective debugging and troubleshooting Sr No Signal name Measuring point Description 1 VIVE_2V5_FILT L1403 C1453 2 5V supply to BCM2727B 2 VIVE_2V8_FILT L1404 C1455 2 8V supply to BCM2727B 3 VIVE_1V8_FILT L1402 1 8V supply to BCM2727B 4 VBAT L1403 C1466 VBAT supply to BCM2727B 5 RUN J1425 Enable signal to IVE This needs to be High for...

Page 69: ...e PWB help in the effective debugging and troubleshooting of HDTV Out Sr No Reference Description 1 X1650 HDMI connector 2 N1653 HDMI connector ASIP on HDMI bus 3 N1654 HDMI bus ASIP on control bus 4 Z1650 to Z1653 Common mode choke on HDMI bus 5 N1651 HDMI 5V regulator 6 D1400 BCM2727B IC 7 D1653 HPD signal buffer 8 V1657 HDMI 5V ESD protection RM 626 BB Troubleshooting and Manual Tuning Guide Is...

Page 70: ... X1650 16 X1650 I2C signals for HDMI SDTV The phone has SDTV capability The phone can be connected to an analog TV through a TV Out cable The following references on the PWB help in the effective debugging and troubleshooting of SDTV Out Sr No Reference Description 1 R1419 DAC termination resistor Resistor value 15 OHMS 2 D1400 BCM2727B IC 3 N2001 Analog switch 4 L2001 Ferrite bead on the CVBS sig...

Page 73: ...Figure 9 Expected SDTV CVBS PAL signal on Oscilloscope RM 626 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 29 Copyright 2011 Nokia All rights reserved ...

Page 74: ...ormally you should be able to read the APE ID After these checks proceed to the display troubleshooting flowcharts Use the Display Test tool in Phoenix to find the detailed fault mode Pixel defects 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 Image on the display not corr...

Page 75: ...mm to each other Temporal sub pixels sometimes called blinking defects exhibit temporal variations not related to any steady state video input Temporal sub pixel defects may be intermittent exhibit a sudden change of state or be flickering Table 8 Defects table Item Bright dot sub pixel defect Dark dot sub pixel defect Total 1 Defect counts Not allowed 2 Combined sub pixel defect Not allowed 3 Tem...

Page 76: ...27B IC The following test points on the PWB help in the effective debugging and troubleshooting Sr No Signal name Measuring point Description 1 VIO L8002 C8005 1 8V supply to display 2 VBAT L8003 C8007 VBAT supply to display 3 TE0 J1429 Tearing effect signal from display module RM 626 BB Troubleshooting and Manual Tuning Guide Page 3 32 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights ...

Page 79: ...tion troubleshooting Charging illumination troubleshooting Troubleshooting flow RM 626 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 35 Copyright 2011 Nokia All rights reserved ...

Page 80: ...Menu key lights troubleshooting Troubleshooting flow RM 626 BB Troubleshooting and Manual Tuning Guide Page 3 36 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 81: ...Qwerty keys backlight troubleshooting Troubleshooting flow RM 626 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 37 Copyright 2011 Nokia All rights reserved ...

Page 82: ...Keyboard troubleshooting Keys troubleshooting Troubleshooting flow RM 626 BB Troubleshooting and Manual Tuning Guide Page 3 38 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 83: ...Qwerty keyboard troubleshooting Troubleshooting flow RM 626 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 39 Copyright 2011 Nokia All rights reserved ...

Page 85: ...ensors troubleshooting Slide sensor troubleshooting Troubleshooting flow RM 626 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 41 Copyright 2011 Nokia All rights reserved ...

Page 87: ...wood or plastic PC with Phoenix Preparation of phone Set the rotating platform to the table Set the phone and reference compass to the rotating platform Connect the phone to the PC and start Phoenix Tests General troubleshooting test Self test ST Azimuth check test RM 626 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 43 Copyright 2011 Nokia All rights reserved ...

Page 88: ...table No disturbing elements near the table such as motors coils electric currents or similar Calibrate the phone as described in the user manual The indicator must be GREEN RM 626 BB Troubleshooting and Manual Tuning Guide Page 3 44 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 89: ... Read the phone value ACT angle Calculate for every step 24 steps Result angle REF angle ACT angle The result is the real angle difference of angles in a 360 degrees continuous round Criteria If the Result angle value 15 degrees GO otherwise NOGO RM 626 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 45 Copyright 2011 Nokia All rights reserved ...

Page 90: ...Proximity sensor troubleshooting Troubleshooting flow RM 626 BB Troubleshooting and Manual Tuning Guide Page 3 46 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 91: ...cts face and turns off the display and touch to prevent false key pressing The ambient light sensor detects the level of ambient light and adjusts the display and key brightness accordingly whenever the display is active Covering this sensor results in dimmed display and key lights Figure 11 DiPro proximity sensor and ambient light sensor Proximity tuning Prerequisites Note Tuning should be done o...

Page 92: ...lue is 100 the result is PASS Skip Step 8 8 If the Irradiance value is 100 the result is FAIL Lower the reflector min 30 mm and repeat Step 6 until the value is 100 105 9 The proximity sensor is tuned RM 626 BB Troubleshooting and Manual Tuning Guide Page 3 48 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 93: ...piece and differential internal earpiece outputs can be measured either with a single ended or a differential probe When measuring with a single ended probe each output is measured against the ground RM 626 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 49 Copyright 2011 Nokia All rights reserved ...

Page 94: ...dset Each audio loop sets routing from the specified input to the specified output enabling a quick in out test Loop path gains are fixed and they cannot be changed using Phoenix Correct pins and signals for each test are presented in the following table Phoenix audio loop tests and test results The results presented in the table apply when no accessory is connected and battery voltage is set to 3...

Page 95: ...External earpiece troubleshooting Troubleshooting flow RM 626 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 51 Copyright 2011 Nokia All rights reserved ...

Page 96: ...External microphone troubleshooting Troubleshooting flow RM 626 BB Troubleshooting and Manual Tuning Guide Page 3 52 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 97: ...Internal earpiece troubleshooting Troubleshooting flow RM 626 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 53 Copyright 2011 Nokia All rights reserved ...

Page 98: ...Internal handsfree IHF troubleshooting Troubleshooting flow RM 626 BB Troubleshooting and Manual Tuning Guide Page 3 54 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 99: ...Internal microphone troubleshooting Troubleshooting flow RM 626 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 55 Copyright 2011 Nokia All rights reserved ...

Page 100: ...le is shared between WLAN and BT blocks When either system requires a clock this signal will be active The CLK_REQ is connected to ExtSysClkReq pin of RAPU The SLEEPCLK input of 32 768 KHz clock from EM ASIC is used for power management and for FM in low power mode The internal SMPS supplies the whole BOB1 0M b solution from the phone battery supply VBAT apart from VIO which is needed for interfac...

Page 101: ...a is used The FM receiver RF signal is routed through a product specific FM antenna matching circuit to the phone headset connector The FM radio audio signal is routed to the headset connector through the BB ASIC shared by the phone audio functions The antenna positions are presented in the following figure Figure 13 WLAN Bluetooth and GPS antennas RM 626 BB Troubleshooting and Manual Tuning Guide...

Page 102: ... Bluetooth and FM radio hardware Symptom Problem Repair solution Unable to switch on Bluetooth on phone user interface Open circuit solder joints or component failure of BOB module or SMD components Replacement of BOB module Able to send data file to another Bluetooth device but unable to hear audio through functional Bluetooth headset Open circuit solder joints or component failure of BOB module ...

Page 103: ...r audio path between Bluetooth FM ASIC and headset Repair of FM audio circuit Users may experience the following problems resulting in functional phones being returned to the repair centre Symptom Problem Repair solution Bluetooth feature does not operate as desired with another Bluetooth device Bluetooth Profile implemented in Bluetooth accessory not supported in Nokia phone Use Bluetooth accesso...

Page 104: ...tion to WLAN troubleshooting The following problems can occur with the WLAN hardware Symptom Problem Repair solution Unable to switch on WLAN on phone user interface Open circuit solder joints or component failure of BOB module Replacement of BOB module or Host Able to turn on WLAN via phone user interface but unable to detect any WLAN APs or other WLAN devices Open circuit solder joints or compon...

Page 105: ...The self tests run from Phoenix software are used for fault diagnosis If Phoenix software is not available the functional tests with phone accessories are sufficient to verify the functionality of WLAN Bluetooth and FM radio self tests in Phoenix Prerequisites A flash adapter or phone data cable connected to a PC with Phoenix service software is required Steps 1 Place the phone in the flash adapte...

Page 106: ...menu set mode to Local 5 Choose Testing Self Tests 6 In the Self Tests window check the following WLAN test ST_WLAN_TEST 7 To run the test click Start Bluetooth BER test in Phoenix Prerequisites JBT 9 or SB 6 Bluetooth test box BT box is required to perform a BER test If a BT box is not available Bluetooth functionality can be checked by transferring a file to another Bluetooth phone Steps 1 Conne...

Page 107: ...dress line 7 Place the BT box near within 10 cm of the phone and click Start BER Test Figure 16 Bluetooth BER test in Phoenix FMRX radio receiver testing Steps 1 Set signal generator parameters FM modulation on Frequency 100MHz FM deviation 22kHz Modulation frequency 1kHz RF level should be varied during the test to obtain good audio signal quality RM 626 BB Troubleshooting and Manual Tuning Guide...

Page 108: ...ne the WLAN TX The other recommended procedure is described in chapter WLAN TX BiP testing procedure in Testing and Tuning Tool page 3 66 Note No external measurement equipment is required as the calibration is completely handled internally RF cable and adapter losses do not need to be taken into account while WLAN TX tuning is proceeded WLAN TX has been BiP Build in Prduction line testing tuned c...

Page 109: ... following figure 7 Type the correct tuning values The values are circled in the figure above 8 Click Write and Close 9 Click Start Power Calibration and read the result from the Result box 10 If TXPowerCal response returns Passed results the WLAN TX BiP test is successful RM 626 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 65 Copyright 2011 Nokia All rights reser...

Page 110: ... to do re calibration unless the Bob1 0M b N6300 is changed or memory D3000 is corrupted WLAN TX can be tuned automatically with Testing and Tuning Tool It performs calibrations tunings and measurements of WLAN TX The results are displayed and logged in a result file if initiated Steps 1 Make sure the phone is connected to the PC 2 Start Nokia Care Suite application 3 To open the application doubl...

Page 111: ...connected phone the following view will open 5 Click on the RF Tuning button and select from the drop down menu RM 626 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 67 Copyright 2011 Nokia All rights reserved ...

Page 112: ...l window and no errors occur 7 If errors do happen failed tuning testing steps are marked with a red color and more detailed results are shown on the screen RM 626 BB Troubleshooting and Manual Tuning Guide Page 3 68 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 114: ...FMRX receiver troubleshooting Troubleshooting flow RM 626 BB Troubleshooting and Manual Tuning Guide Page 3 70 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 115: ...ti master mode and the REF clock is requested via AGPS_CLK_REQ signal connected to RAPU genio46 REFOUT_EXT2 single ended 38 4 MHz analog clock from Linko RF is provided to GPSCost4 1D The GPS components are located on the bottom side of the PWB Satellite signals are picked up by the GPS antenna in the top end cap The signal is then processed by the GPS5350 receiver ASIC RM 626 BB Troubleshooting a...

Page 116: ...e 17 Component layout bottom side Figure 18 GPS layout and basic test points RM 626 BB Troubleshooting and Manual Tuning Guide Page 3 72 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 117: ...ieved with the reference unit A good starting point is to set up the signal generator to 50 dBm These checks are part of GPS failure troubleshooting Figure 19 GPS Quick Test window GPS control Prerequisites A flash adapter with RF connector connected to a PC with Phoenix service software is required The GPS signal should be connected to the RF connector Calibrate the signal level with a known good...

Page 118: ...XO Vcc_PLL VCO will be present Receiver On turns on all RF sections of the ASIC and so all LDOs will be on GPS failure troubleshooting Context GPS troubleshooting is broken down into two parts general GPS failure troubleshooting and GPS basic checks troubleshooting The GPS failure troubleshooting flow can be followed and where applicable will feed into the GPS basic checks troubleshooting flow RM ...

Page 120: ...GPS basic checks troubleshooting Troubleshooting flow RM 626 BB Troubleshooting and Manual Tuning Guide Page 3 76 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 121: ... refer to Technical Bulletins for IP addresses Connection to Tucson online server All requests are handled online That means a permanent Internet connection is required Previously used e mail based system is no longer in use Phoenix when contacting Tucson server is using IP address 147 243 3 169 port 443 Terms in Tucson When certificate restoring for BB 5 products or IMEI rebuild for DCT 4 product...

Page 122: ... the UI does not matter because during restoring it will be replaced by the product code which is the latest one stored in Nokia system 6 It is recommended to perform Restore function without selecting Flash Product option to avoid possible SW downgrade which causes the phone to die RM 626 BB Troubleshooting and Manual Tuning Guide Page 3 78 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All ri...

Page 123: ... and connection to Tucson server is established 8 Information from Nokia system is retreived and programmed in the phone RM 626 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 79 Copyright 2011 Nokia All rights reserved ...

Page 124: ...ant and it can be used for e g certificate restoring If you perform several product code changes Nokia system will always be up to date with the latest successful event Failed incomplete actions will not change the phone specific information in Nokia systems This function can be performed with or without flashing the phone with correct software selection can be made by checking unchecking the tick...

Page 125: ... case sensitive 4 Select product code of new variant from list If the product code you want is not shown please install correct data package including the variant 5 Select OK and SWAP RM 626 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 81 Copyright 2011 Nokia All rights reserved ...

Page 126: ...d connection to Tucson server is established 7 If Flash Product option was selected phone SW is programmed RM 626 BB Troubleshooting and Manual Tuning Guide Page 3 82 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 127: ...kia system is programmed in the phone 9 Confirmation about successful event is sent to Nokia system RM 626 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 83 Copyright 2011 Nokia All rights reserved ...

Page 128: ...4 hours Energy management calibration Prerequisites Energy Management EM calibration is performed to calibrate the setting gain and offset of AD converters in several channels that is battery voltage BSI battery current to get an accurate AD conversion result Hardware setup RM 626 BB Troubleshooting and Manual Tuning Guide Page 3 84 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights rese...

Page 129: ...ion 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 Calibration value limits table click Write to store the new calibration values to the phone permanent memory Table 9 Calibration value...

Page 133: ... General instructions for transmitter TX activation 4 26 GSM transmitter activation 4 26 WCDMA transmitter activation 4 29 Manual receiver RX testing with Phoenix 4 30 General instructions for manual receiver testing 4 30 GSM RX chain activation for manual measurements GSM RSSI measurement 4 31 WCDMA RX chain activation for manual measurement 4 31 WCDMA RSSI measurement 4 32 Antenna 4 33 Antenna o...

Page 135: ...ld be performed in an RF shielded environment because nearby base stations can disturb sensitive receiver measurements If there is no possibility to use an RF shielded environment testing at frequencies of nearby base stations should be avoided Note All communication test set screen dumps are from CMU 200 Other testers are different RF auto tune Cellular RF parameters should always be re tuned by ...

Page 136: ...KO N7510 Power amplifier PA QuBBE Z7513 Front end module Linko RF has separate RF shielding cans for Älli N7512 surroundings Shield C QuBBE Z7513 Ukko PA N7510 Shield B Aura N7509 surroundings Shield A Figure 21 Linko shields RM 626 Cellular RF troubleshooting Page 4 6 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 137: ... service centers The maximum height of the shields is 1 70 mm Cellular RF main troubleshooting Cellular RF main troubleshooting Context Always start the cellular RF related troubleshooting procedure by following the diagram below RM 626 Cellular RF troubleshooting Issue 1 COMPANY CONFIDENTIAL Page 4 7 Copyright 2011 Nokia All rights reserved ...

Page 140: ...programming of the N7512 and all of the following tests cannot give correct data 2 ST_CDSP_RF_SUPPLY_TEST ID hex 53 Tests the functionality of N7512 bias block regulators reference voltage line and supply connections as well as almost all Aura N7509 regulator voltages If this test fails all other N7512 tests can will fail 3 ST_CDSP_DIGI_RXTX_IF_TEST ID hex 7D Test checks that the digital RX and TX...

Page 143: ...be the same as the battery voltage and always on VIO level Check the VIO level 1 8V at C2806 The signal is always on when the phone is in local mode RM 626 Cellular RF troubleshooting Issue 1 COMPANY CONFIDENTIAL Page 4 13 Copyright 2011 Nokia All rights reserved ...

Page 144: ...voltage can be measured Follow the instructions given in chapter Manual transmitter TX testing with Phoenix GSM transmitter activation or WCDMA transmitter activation VHIA Vhi level Check the VHIA level 2 6 V at L7509 RM 626 Cellular RF troubleshooting Page 4 14 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 145: ...measured Follow the instructions given in chapter Manual transmitter TX testing with Phoenix WCDMA transmitter activation Note The VDCDCA signal is continuously on when WCDMA TX is activated VPA level The GSM or WCDMA transmitter has to be activated before the VPA supply voltage can be measured Follow the instructions given in chapter Manual transmitter TX testing with Phoenix GSM transmitter acti...

Page 146: ... tunings RM 626 cellular RF engine has been tuned correctly in production There is no reason to do re calibration unless one or more of the RF components are changed or memory D3000 is corrupted RM 626 can be tuned automatically Auto tuning is designed to align the phone s RF part easily and faster It performs calibrations tunings and measurements of RX and TX The results are displayed and logged ...

Page 147: ...ication to Nokia Care Suite Automatic RF testing and tuning is not possible without this application There is no more support in Phoenix to auto tune RM 626 product Install the phone specific data package for example Nokia_firmware_RM 626_EUROPE_10 014_v41 0 exe This defines phone specific settings RF auto tuning procedure Note If RF splitter is in use skip steps 10 11 and 12 1 Make sure the phone...

Page 148: ...re Care Suite add on applications The list is different if there are different add on applications installed 4 To open the application double click Testing And Tuning Tool icon 5 If the application is able to find a connected phone the following view will open RM 626 Cellular RF troubleshooting Page 4 18 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 149: ...ndTuning Tool versions 7 Select Cellular RF Tunings and Tests from the drop down menu 8 Select the RF cable used and possible RF splitter RF shield box from the drop down menu CA 158RS attenuation values are always taken automatically into account when RM 626 product is connected to Nokia Care Suite tool 9 Click the Run button RM 626 Cellular RF troubleshooting Issue 1 COMPANY CONFIDENTIAL Page 4 ...

Page 150: ... PWB 12 Click OK and RF tunings will automatically be performed for high cellular bands 13 RF tunings will be ready when all the tunings and measurements are green in the tool window and no errors occur 14 If errors do happen failed tuning testing steps are marked with a red color and more detailed results are shown on the screen An example fail case is shown below RM 626 Cellular RF troubleshooti...

Page 151: ...d on application can be used also for non signalling RF tests The automatic RF testing procedure is the same as explained in the chapter RF auto tuning procedure but RF Testing should be selected in the Testing And Tuning Tool main window instead of RF Tuning RM 626 Cellular RF troubleshooting Issue 1 COMPANY CONFIDENTIAL Page 4 21 Copyright 2011 Nokia All rights reserved ...

Page 152: ...Template GSM Phase Error WCDMA RSSI WCDMA SNR WCDMA TX Power Range WCDMA TX Max Output Power WCDMA ACP WCDMA EVM Troubleshooting with Testing And Tuning Tool Context If limit fails occur while RF tests are performed with Testing And Tuning Tool the user has to be very careful to understand the measurement results Fails may occur because of many reasons 1 RF attenuation between the phone and the co...

Page 153: ...ments in an RF shielded environment in an RF shield box or room 4 The phone is really broken and needs more specific troubleshooting Typical for these cases is that RF Testing gives measurement results which are far from the test limits Note Start the more specific troubleshooting always from the chapter Cellular RF main troubleshooting The troubleshooting flow below may be misleading if followed ...

Page 156: ...testing is RF Controls in WCDMA transmitter testing the best tool is TX Control Note Never activate the GSM or WCDMA transmitter without a proper antenna load Always connect a 50 Ω load to the RF connector antenna RF measurement equipment or at least a 2 W dummy load otherwise the power amplifier PA may be damaged GSM transmitter activation Steps 1 Set the phone to local mode 2 Activate the RF con...

Page 157: ...SM TX activation only required Check the basic TX parameters i e power phase error modulation and switching spectrum manually using a communication analyzer for example CMU 200 Change power level in RF Controls tool and make sure the power reading follows accordingly RM 626 Cellular RF troubleshooting Issue 1 COMPANY CONFIDENTIAL Page 4 27 Copyright 2011 Nokia All rights reserved ...

Page 159: ...TX If settings are changed e g new channel or power level you have to click RF Stop and Send again Aura N7509 supply voltages are on for measurement purposes after this step is completed 6 Optional step not needed if WCDMA TX activation only required Check the basic TX parameters using a communication analyzer for example CMU 200 RM 626 Cellular RF troubleshooting Issue 1 COMPANY CONFIDENTIAL Page...

Page 160: ...he most important RX measurement in local mode is RSSI reading This test measures the signal strength of the received signal For GSM RSSI measurements see chapter GSM RX chain activation for manual measurements GSM RSSI measurement For a similar test in WCDMA mode see chapter WCDMA RSSI measurement RM 626 Cellular RF troubleshooting Page 4 30 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All r...

Page 161: ...190 37 700 661 RF frequency 881 6 MHz 942 4 MHz 1842 8 MHz 1960 0 MHz Signal generator frequency 881 66771 MHz 942 46771 MHz 1842 86771 MHz 1960 06771 MHz Signal generator RF level CW signal 60dBm 60dBm 60dBm 60dBm Results The RSSI level reading should reflect the level of the signal generator losses 5 dB When varying the level in the range of 30 to 102 dBm the reading should follow within 5 dB WC...

Page 162: ...ual measurement Connect a signal generator to a proper RF connector on the phone PWB note there are two antenna connectors for cellular RF on the phone PWB one for low bands and one for high bands Steps 1 Use the following frequencies and RF levels in RF generator for different WCDMA bands Setting WCDMA I WCDMA II WCDMA IV WCDMA V WCDMA VIII Phoenix Channel 10700 9800 1637 4408 3012 RX frequency 2...

Page 163: ... tool does not work as it should In these cases the result is something really small for example 8387684 9 Antenna Antenna overview RM 626 has four internal antennas GSM WCDMA low and high band antennas are located under the lower end cap of the phone GPS antenna is located under the upper end cap of the phone Combined WLAN and Bluetooth antenna is also located under the upper end cap of the phone...

Page 164: ...MA antenna performance should be normal if the antenna contact pads take a proper contact to the corresponding C clips on the small adapter PWB see the figure below the antenna flex assembly is visually intact both coaxial cables are properly connected both ends and the cables are undamaged Check that the C clips are clearly open and the matching capacitor C7000 12pF has been soldered to the PWB R...

Page 165: ...ld be normal if the antenna contact pads take a proper contact to the corresponding C clips on the main PWB see the following figure and the WLAN BT antenna flex assembly is visually intact Check that the C clips are clearly open RM 626 Cellular RF troubleshooting Issue 1 COMPANY CONFIDENTIAL Page 4 35 Copyright 2011 Nokia All rights reserved ...

Page 166: ...s a proper contact to the corresponding C clips on the main PWB see the following figure and the GPS antenna flex assembly is visually intact Check that the C clips are clearly open Figure 27 GPS antenna contacts RM 626 Cellular RF troubleshooting Page 4 36 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 169: ...ng images from a moving vehicle 5 7 Figure 30 Noisy image taken in 70 degrees Celsius 5 7 Figure 31 Image taken against light 5 8 Figure 32 Flicker in an image object illuminated by strong fluorescent light 5 8 Figure 33 A lens reflection effect caused by sunshine 5 9 Figure 34 Good image taken indoors 5 9 Figure 35 Good image taken outdoors 5 9 Figure 36 Effects of dust on optical path 5 10 Figur...

Page 171: ...irst cropping the image by the zoom ratio and then upscaling it to the output resolution This will decrease the image quality especially with high zoom ratios Dynamic range Camera s ability to capture details in dark and bright areas of the scene simultaneously Exposure time Camera modules use silicon sensor to collect light and for forming an image The imaging process roughly corresponds to tradi...

Page 172: ... addition image noise level grows The maximum exposure time in the night mode is seconds Therefore images need to be taken with extreme care and by supporting the phone when the amount of light reflected from the target is low Because of the longer exposure time and larger gain value noise level increases in low light conditions Sometimes blurring may even occur in daytime if the image is taken ve...

Page 173: ...ontrast is set too dark the image quality degrades the images may be very dark depending on the setting If the display contrast is set too bright image contrast appears bad and faint This problem is solved by setting the display contrast correctly This is normal behaviour do not change the camera module Basic rules of photography especially shooting against light Because of dynamic range limitatio...

Page 174: ...rs also under high artificial illumination level Flickering only occurs when the rolling shutter is used This is normal behaviour do not change the camera module Figure 32 Flicker in an image object illuminated by strong fluorescent light Bright light outside of image view Especially the sun can cause clearly visible lens glare phenomenon and poor contrast in images This happens because of undesir...

Page 175: ...caused by sunshine Examples of good quality images Figure 34 Good image taken indoors Figure 35 Good image taken outdoors RM 626 Camera Module Troubleshooting Issue 1 COMPANY CONFIDENTIAL Page 5 9 Copyright 2011 Nokia All rights reserved ...

Page 176: ...king the test image In case flickering happens try to reduce illumination level Use JPEG image format for analysing and set the image quality parameter to High Quality Black spots in an image are caused by dirt particles trapped inside the optical system Clearly visible and sharp edged black dots in an image are typically dust particles on the image sensor These spots are searched for in the manuf...

Page 177: ...ell illuminated typical indoor scene such as the one in Figure Good image taken indoors can be used as a target The main considerations are The protection window has to be clean The amount of light 300 600 lux bright office lighting is sufficient The scene should contain for example small objects for checking sharpness Their distance should be 1 2 meters If possible compare the image to another im...

Page 178: ...e flares around the light source if the protection window is dirty A smeared fingerprint may be hard to see on the protective window but if will affect the image quality These flares can be avoided by cleaning the window with a suitable cloth RM 626 Camera Module Troubleshooting Page 5 12 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 179: ...emains always saturated to its maximum value it is stuck Stuck pixels may appear as red green blue or white spots in all lightning conditions Camera modules producing images with one or more stuck pixels should be replaced Hot pixels are pixels that easily saturate in dim light conditions It is normal to get a lot of noise and hot pixels in night conditions or otherwise dark conditions The hot pix...

Page 180: ...r temperature and ambient lightning This is unwanted but normal feature Dust reflections Dust or water drops in front of the flash unit may reflect strongly to the camera sensor See the following figure Figure 42 Light from the flash has reflected on particles in front of the camera RM 626 Camera Module Troubleshooting Page 5 14 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved...

Page 181: ...ack camera troubleshooting flowcharts No recognizable viewfinder image Troubleshooting flow RM 626 Camera Module Troubleshooting Issue 1 COMPANY CONFIDENTIAL Page 5 15 Copyright 2011 Nokia All rights reserved ...

Page 182: ...ull up resistors on primary camera I2C lines Resistor value 4 7 KOHMS 3 N1515 VCAM_1V8 regulator 4 N1517 VCAM_2V8 regulator The following test points on the PWB help in the effective debugging and troubleshooting Sr No Signal name Measuring point Description 1 VCAM_1V8 L1476 C1477 1 8V supply to primary camera 2 VCAM_2V8 L1485 C1483 2 8V supply to primary camera RM 626 Camera Module Troubleshootin...

Page 183: ...ator 4 VANA_ENABLE J1516 Enable signal for VCAM_2V8 regulator This signal needs to be high for enabling the regulator 5 PRI_CAM_CLK R1430 External clock signal to primary camera 6 PRI_CAM_I2C 1 0 R1477 R1478 I2C signals for primary camera RM 626 Camera Module Troubleshooting Issue 1 COMPANY CONFIDENTIAL Page 5 17 Copyright 2011 Nokia All rights reserved ...

Page 184: ...eshooting Context The following references on the PWB help in the effective debugging and troubleshooting of the secondary camera RM 626 Camera Module Troubleshooting Page 5 18 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 185: ...a 2 VCAM_2V8 L1488 C1491 2 8V supply to secondary camera 3 VDIG_ENABLE J1515 Enable signal for VCAM_1V8 regulator This signal needs to be high for enabling the regulator 4 VANA_ENABLE J1516 Enable signal for VCAM_2V8 regulator This signal needs to be high for enabling the regulator 5 SEC_CAM_CLK R1429 External clock signal to secondary camera 6 SEC_CAM_SHUTDOWN J2404 Reset signal to secondary came...

Page 187: ...er The following test points on the PWB help in the effective debugging and troubleshooting of the flash Sr No Signal name Measuring point Description 1 VBAT L1500 L1502 VBAT supply to flash driver 2 FLASH_ENABLE J1502 Enable signal for flash driver This signal needs to be high for enabling regulator RM 626 Camera Module Troubleshooting Issue 1 COMPANY CONFIDENTIAL Page 5 21 Copyright 2011 Nokia A...

Page 191: ...ule 6 22 TV out interface 6 22 Cameras 6 23 Illumination 6 24 Keyboard interface 6 25 Slide sensor 6 25 Accelerometer 6 26 Magnetometer 6 26 Audio concept 6 27 Audio HW architecture 6 27 Internal earpiece 6 29 Internal handsfree IHF speaker 6 29 Internal microphones 6 29 External earpiece and microphone 6 30 Vibra 6 30 AV connector 6 30 Cellular RF technical description 6 31 RF block 6 31 QuBBE 6 ...

Page 192: ... 51 MicroUSB connector 6 20 Figure 52 Touch system block diagram 6 21 Figure 53 Proximity sensor and ALS 6 21 Figure 54 BCM2727B block diagram 6 22 Figure 55 Primary camera interface 6 23 Figure 56 Secondary camera interface 6 24 Figure 57 Illumination 6 25 Figure 58 Hall sensor 6 26 Figure 59 Accelerometer 6 26 Figure 60 Magnetometer 6 27 Figure 61 Audio block diagram 6 28 Figure 62 Internal earp...

Page 193: ...lators TCXO 16 368 MHZ Crystal 32 768KHZ Crystal 38 4 MHZ Crystal 19 2 MHZ G6200 B2200 B7500 B1400 CMT memory Combo POP4 2G DDR 8G M3 NAND stacked with RAPU D3000 WLAN Bluetooth FM radio BOB 1 0M b module N6300 GPS GPSCost4 1 N6200 Battery BL 4D Battery connector Tabby blade interface X2070 UI flex connector Board to board connector for UI flex module X2500 Display connector Board to board connect...

Page 194: ...elerometer 3 axis accelerometer Ahti N1103 Magnetometer 3 axis magnetic sensor N1001 on Qwerty flex Combined Ambient Light Sensor and Proximity Sensor DiPro N8001 on UI flex Hall sensor Hall2 N1000 on Qwerty flex USB charging circuit N3301 Camera socket X1476 Front camera Acme mini H8000 on UI flex RM 626 System Module Page 6 6 COMPANY CONFIDENTIAL Issue 1 Copyright 2011 Nokia All rights reserved ...

Page 200: ...tery size indicator GND Ground VBAT Battery voltage Figure 44 Blade battery connector Charging This phone is charged through the micro USB connector Charging is controlled by energy management and external components are needed to protect the baseband module against EMC reverse polarity and transient frequency deviation Normal and extreme voltages Energy management is mainly carried out in the EM ...

Page 201: ... presses the power key beyond 7 5 secs it generates a reset which is connected to EM ASIC s UserResetX line The UserResetX is entirely HW controlled so even when SW hangs the phone can be powered down by pressing the power key beyond 7 5 sec Modes of operation Mode Description NO_SUPPLY Dead mode means that the main battery is not present or its voltage is too low below N2200 master reset threshol...

Page 204: ...ed battery concept the SIM card can be removed and inserted without removing the battery For safe SIM card functionality SIM card removal detection is used with detection springs touching the SIM card tray Only pre warning signal is used which is connected to SimDetX input of Gazoo Pearl via inverter circuit The following figure shows the principle of SIM circuitry with the removable SIM tray Figu...

Page 205: ...ntroller and an MMC controller for I O interface It is a dual supply device which requires VCC of 2 9V for the NAND core and VCCQ of 1 8V for the MMC I O interface BOB1 0M b module The BOB1 0M b module provides full 802 11b g n WLAN BT 2 1 EDR and FM RDS connectivity BOB is the name given to a generic technology release that combines WLAN Bluetooth and FM Rx radio on a single monolithic IC The pho...

Page 206: ...1 0M b solution from the phone battery supply VBAT apart from VIO which is needed for interface signal reference levels Figure 48 BOB1 0M b interface GPS interface The phone includes an inbuilt single chip GPS receiver GPSCost4 1D comprising both RF and BB blocks integratedinasingledigitaldie GPSCost4 1DisconnectedtoRAPUASICviaI2C_1andsomeGENIOs GPSCost4 1 D operates in Multi master mode and the R...

Page 207: ...interface for USB Universal Serial Bus USB is a differential serial bus that provides a wired connectivity between a PC and peripheral devices as in this case a mobile phone RM 626 System Module Issue 1 COMPANY CONFIDENTIAL Page 6 19 Copyright 2011 Nokia All rights reserved ...

Page 208: ... 51 MicroUSB connector User interface Touch module This phone uses Atmel capacitive touch solution The Atmel touch module is interfaced to I2C0 bus of RAPU via level shifter N2500 RAPU s GenIO123 is used for Touch INT The Atmel touch module uses VAUX1 for its analogue supply and VIO for its digital supply Communication with RAPU is via Symbian I2C bus RM 626 System Module Page 6 20 COMPANY CONFIDE...

Page 209: ...ro and set using software The interrupt output of DiPro changes state when the infra red light from the LED is reflected back by a suitable reflective surface Note that when proximity is in use during a voice call the proximity sensor detects face and turns off the display and touch to prevent false key pressing The ambient light sensor detects the level of ambient light and adjusts the display an...

Page 210: ...ion of the display module is 53 76 mm x 97 16 mm x 2 21 mm The module interfaces to the phone via FPC with a 20 pins board to board connector The primary display is controlled by BCM2727B over DSI interface The DSI Interface is used for data transfer and control Other display signals RESET and TE are interfaced to BCM2727B TV out interface The phone has HDTV and SDTV capability The phone can be co...

Page 211: ...is 8 5 mm x 8 5 mm x 6 1 mm and it fits into the 14 pin camera socket on the phone The camera module is SMIA profile 2 compliant and is configured by the BCM2727B using I2C control bus Image data is transferred to the BCM2727B for furher processing over CSI 2 PRI_CAM_CSI Figure 55 Primary camera interface Secondary camera VGA Acme mini The secondary camera is a VGA fixed focus camera module It is ...

Page 212: ...el LED driver NJOY 3 2 white LEDS V2420 and V2422 are used for MENU key illumination These LEDs are connected in parallel to R output of NJOY 3 LED driver Charging illumination 2 white LEDs are used for charging indication One white LED V2505 is connected to EM ASIC ChInd pin and blinks only during dead battery USB charging in intervals of 1 5s This LED is OFF when the charging is taking place und...

Page 213: ... keys are connected to a direct 36 pin IO expander which is used in matrix mode Slide sensor Slide sensor is a Hall2 sensor which also uses magnets for state switching In this device it is used to detect the slide movement that reveals the Qwerty keyboard The sensor is located on the Qwerty flex module and the magnet is located in the tilt assembly The Hall sensor output generates interrupt to RAP...

Page 214: ... It has the following features 2 16V to 3 6V supply voltage 1 8V compatible IOs Low power consumption 2g 8g dynamically selectable scale I2C SPI digital output interface Embedded self test 10000g high shock survivability Pb free RoHS compliancy Figure 59 Accelerometer Magnetometer 3D magnetometer sensor N1105 is connected to RAPU via two GENIOs ie Genio40 and Genio41 and I2C_0 bus Power supply vol...

Page 215: ...hreshold The operating temperature is 20 C to 85 C The operating supply voltages are Analogue supply 2 4V to 3 6V Digital interface supply 1 70V to analogue supply voltage Figure 60 Magnetometer Audio concept Audio HW architecture TPA6140 N2000 BoostMono N2150 alongwithmixed signalASICGazoo Pearlprovidestheanalogueaudio output interfaces and RAPU provides the digital audio output interface support...

Page 217: ...ntegrated inductive boost converter Vallu s differential audio inputs are connected to EM ASIC Gazoo Pearl XEarL XEarLC and it can be enabled disabled by Genout105 from Rapu Figure 63 Internal handsfree IHF speaker diagram Internal microphones Digital microphones used are Knopfler and are connected to Rapu DigiMic CLK is connected to RAPU Genio72 and DigiMic DATA is connected to Rapu Genio39 RM 62...

Page 218: ...trolled via I2C_2 bus by RAPU The AV headset microphone line is connected to EM ASIC Gazoo Pearl Mic2 line via AV switch N2001 Vibra Vibra is connected to VibraN and VibraP lines of EM ASIC Gazoo Pearl Figure 65 Vibra diagram AV connector The AV connector handles both audio and video signals output It has audio left and right signals separately pins 4 and 5 and the microphone signal wired to pin 3...

Page 219: ...s of receive and transmit function of the cellular transceiver QuBBE The front end module called QuBBE contains the needed front end filters and the switches QuBBE contains 3 duplexers Band II V VIII 1 triplexer Band I IV 12 switches with the control Low and high band GSM TX low bass filters 50 ohms low and high and antenna interface The control signals for the switches come from Älli Receiver RX ...

Page 220: ...ator The 38 4 MHz crystal is outside of Älli DCXO delivers the internal clock to Älli differential clock signal to BB and two single mode clock signals to NCW modules Älli delivers a clk signal to diversity RX The oscillator is controlled via RFBus with AFC signal Temperature compensation of the oscillator is running by the SW in Älli The temperature sensor itself is outside of Älli Transmitter TX...

Page 221: ... of Älli is also slightly changed optimized in the highest power level to keep the PA compression level more constant which results in better overall efficiency and performance In WCDMA and EDGE mode the output power is tuned by output level of Älli The supply voltage in WCDMA mode is adjusted in power levels to optimize the current consumption RM 626 System Module Issue 1 COMPANY CONFIDENTIAL Pag...

Page 231: ...3720 2726 885 2 3540 8 2951 930 2 3720 8 2727 885 4 3541 6 2952 930 4 3721 6 2728 885 6 3542 4 2953 930 6 3722 4 2729 885 8 3543 2 2954 930 8 3723 2 2730 886 3544 2955 931 3724 2731 886 2 3544 8 2956 931 2 3724 8 2732 886 4 3545 6 2957 931 4 3725 6 2733 886 6 3546 4 2958 931 6 3726 4 2734 886 8 3547 2 2959 931 8 3727 2 2735 887 3548 2960 932 3728 2736 887 2 3548 8 2961 932 2 3728 8 2737 887 4 3549...

Page 232: ...892 3568 2985 937 3748 2761 892 2 3568 8 2986 937 2 3748 8 2762 892 4 3569 6 2987 937 4 3749 6 2763 892 6 3570 4 2988 937 6 3750 4 2764 892 8 3571 2 2989 937 8 3751 2 2765 893 3572 2990 938 3752 2766 893 2 3572 8 2991 938 2 3752 8 2767 893 4 3573 6 2992 938 4 3753 6 2768 893 6 3574 4 2993 938 6 3754 4 2769 893 8 3575 2 2994 938 8 3755 2 2770 894 3576 2995 939 3756 2771 894 2 3576 8 2996 939 2 3756...

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Page 234: ...906 3624 3055 951 3804 2831 906 2 3624 8 3056 951 2 3804 8 2832 906 4 3625 6 3057 951 4 3805 6 2833 906 6 3626 4 3058 951 6 3806 4 2834 906 8 3627 2 3059 951 8 3807 2 2835 907 3628 3060 952 3808 2836 907 2 3628 8 3061 952 2 3808 8 2837 907 4 3629 6 3062 952 4 3809 6 2838 907 6 3630 4 3063 952 6 3810 4 2839 907 8 3631 2 3064 952 8 3811 2 2840 908 3632 3065 953 3812 2841 908 2 3632 8 3066 953 2 3812...

Page 235: ...955 8 3823 2 2855 911 3644 3080 956 3824 2856 911 2 3644 8 3081 956 2 3824 8 2857 911 4 3645 6 3082 956 4 3825 6 2858 911 6 3646 4 3083 956 6 3826 4 2859 911 8 3647 2 3084 956 8 3827 2 2860 912 3648 3085 957 3828 2861 912 2 3648 8 3086 957 2 3828 8 2862 912 4 3649 6 3087 957 4 3829 6 2863 912 6 3650 4 3088 957 6 3830 4 RM 626 System Module Issue 1 COMPANY CONFIDENTIAL Page 6 47 Copyright 2011 Noki...

Page 239: ... Indicator BT Bluetooth CBus MCU controlled serial bus connected to UPP_WD2 UEME and Zocus CCP Compact Camera Port CDMA Code division multiple access 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 CSD Circuit switched...

Page 240: ...compensated super twisted nematic GMSK Gaussian Minimum Shift Keying GND Ground conductive mass GPIB General purpose interface bus GPRS General Packet Radio Service GSM Group Special Mobile Global System for Mobile communication HSDPA High speed downlink packet access HF Hands free HFCM Handsfree Common HS Handset HSCSD High speed circuit switched data data transmission connection faster than GSM ...

Page 241: ...TP Multipoint to point connection NFC Near field communication NTC Negative temperature coefficient temperature sensitive resistor used as a temperature sensor OMA Object management architecture OMAP Operations maintenance and administration part Opamp Operational Amplifier PA Power amplifier PCM Pulse Code Modulation PDA Pocket Data Application PDA Personal digital assistant PDRAM Program Data RA...

Page 242: ...iber Identity Module SMPS Switched Mode Power Supply SNR Signal to noise ratio SPR Standard Product requirements SRAM Static random access memory STI Serial Trace Interface SW Software SWIM Subscriber Wallet Identification Module TCP IP Transmission control protocol Internet protocol TCXO Temperature controlled Oscillator Tiku Finnish for Chip Successor of the UPP TX Radio Transmitter UART Univers...

Page 243: ...lator VF View Finder Vp p Peak to peak voltage VSIM SIM voltage WAP Wireless application protocol WCDMA Wideband code division multiple access WD Watchdog WLAN Wireless local area network XHTML Extensible hypertext markup language Zocus Current sensor used to monitor the current flow to and from the battery RM 626 Glossary Issue 1 COMPANY CONFIDENTIAL Page Glossary 7 Copyright 2011 Nokia All right...

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