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Band

Channel

Freq.

Attenuation RX

Freq.

Attenuation TX

WCDMA Band V

Low

871.6

-8.8

826.6

-11.6

Mid

880

-8.3

835

-10.7

High

891.4

-7.8

846.4

-9.7

TX attenuation tolerance is +/- 1.0 dB
RX attenuation tolerance is +/- 1.0 dB

RM-277 attenuation values with SA-130

Band

Channel

Freq.

Attenuation RX

Freq.

Attenuation TX

GSM 850

Low

869.2

-12.2

824.2

-15.5

Mid

881.6

-11.4

836.6

-14.6

High

893.8

-10.8

848.8

-13.6

GSM 900

Low

925.2

-10.5

880.2

-11.5

Mid

942.6

-10.6

897.6

-10.7

High

959.8

-10

914.8

-10.4

GSM 1800

Low

1805.2

-8.9

1710.2

-10.1

Mid

1842.6

-8.5

1747.6

-9.7

High

1879.8

-7.6

1784.8

-9.1

GSM 1900

Low

1930.2

-7.1

1850.2

-8.3

Mid

1960.0

-7.4

1880.0

-7.6

High

1989.8

-8.4

1909.8

-7.2

WCDMA Band

Low

1932.6

-7.1

1852.6

-8.3

Mid

1960

-7.4

1880

-7.6

High

1987.4

-8.4

1907.4

-7.2

WCDMA Band V

Low

871.6

-12.2

826.6

-15.5

Mid

880

-11.4

835

-14.6

High

891.4

-10.8

846.4

-13.6

TX attenuation tolerance is +/- 1.0 dB
RX attenuation tolerance is +/- 1.0 dB

Attenuation values for CA-57RS

Band

Channel

Freq.

Attenuation RX

Freq.

Attenuation TX

GSM 850

Low

869.2

0.3

824.2

0.3

Mid

881.6

0.3

836.6

0.3

High

893.8

0.3

848.8

0.3

RM-257; RM-270; RM-277

Service Tools and Service Concepts

Issue 1

COMPANY CONFIDENTIAL

Page 2 –17

Содержание 3555

Страница 2: ...mendment Record Sheet Amendment No Date Inserted By Comments Issue 1 08 2007 MHa RM 257 RM 270 RM 277 Amendment Record Sheet Page ii COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 3: ...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 ar...

Страница 4: ...ECTIONS 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 all com...

Страница 5: ...oved 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 257 RM 270 RM 277 For your safety Issue 1 COMPANY CONFIDENTIAL Page v Copyright 2007 Nokia All rights reserved ...

Страница 6: ...ies 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 the m...

Страница 7: ...maged 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 information ...

Страница 8: ...vailable 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 when you...

Страница 9: ...IA 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 257 RM 270 RM 277 Company Policy Iss...

Страница 11: ... Service Tools and Service Concepts 3 BB Troubleshooting and Manual Tuning Guide 4 RF troubleshooting 5 System Module Glossary RM 257 RM 270 RM 277 Nokia 3555 Service Manual Structure Issue 1 COMPANY CONFIDENTIAL Page xi Copyright 2007 Nokia All rights reserved ...

Страница 15: ...r GSM850 900 1800 1900 and WCDMA V 850 and WCDMA I 2100 phones RM 270 1 10 Main RF characteristics for GSM850 900 1800 1900 and WCDMA V 850 and WCDMA II 1900 phones RM 277 1 11 List of Tables Table 1 Battery and chargers 1 7 Table 2 Car accessories 1 7 Table 3 Headsets 1 7 Table 4 Data 1 8 Table 5 Memory cards 1 8 Table 6 Normal and extreme voltages 1 9 List of Figures Figure 1 RM 257 270 277 phon...

Страница 17: ...8x160 pixel 262k color primary TFT display 1 96x68 pixel BW FSTN secondary display VGA camera with 4x digital zoom portrait mode Bluetooth version 2 0 supporting SAP SIM Access Profile OPP Object Push Profile FTP File Transfer Profile DUN Dial up Networking Profile HSP Headset Profile HFP Hands Free Profile SDP Service Discovery Application Profile GAP Generic Access Profile SPP Serial Port Profil...

Страница 18: ...l Right Management OMA MMS 1 2 MMS Conformance 3 0 AMR and SMIL OMA Client Provisioning v1 1 Java APIs MIDP2 0 JSR139 CLDC1 1 JSR75 file connection and PIM JSR135 JSR184 3D JSR82 BT 3GPP H 263 playback streaming and MPEG4 video and playback Video MP3 AAC eAAC and 64 polyphonic ringing tones WAP 2 0 XHTML browser over HTTP TCP IP stack SyncML local and remote Nokia E mail client with attachment for...

Страница 19: ... Ion Table 2 Car accessories Type Name HF 6W Wireless plug in handsfree HF 9W Wireless plug in handsfree CK 20W Wireless carkit Table 3 Headsets Type Name HS 40 Wired headset HS 47 Wired headset BH 601 Wireless headset BH 602 Wireless headset BH 800 Wireless headset BH 900 Wireless headset HS 21W Wireless headset BH 600 Wireless headset BH 200 Wireless headset BH 201 Wireless headset HS 36W Wirele...

Страница 20: ...i ion GSM up to 3h20min WCDMA up to 3h GSM up to 270h WCDMA up to 270h Note Variation in operation times will occur depending on SIM card network settings and usage Talk time is increased by up to 30 if half rate is active and reduced by 5 if enhanced full rate is active Environmental conditions Temperature Temperature range Min oC Max oC Operational all specs met 5 55 Functional reduced performan...

Страница 21: ... 0 1 Off to on x 2 8 0 1 On to off a ADC settings in the SW might shutdown the phone above this value b During fast charging of an empty battery this voltage might exceed this value Voltages between 4 20 and 4 60 might appear for a short while Main RF characteristics for GSM850 900 1800 1900 and WCDMA IV 1700 phones RM 257 Parameter Unit Cellular system GSM850 EGSM900 GSM1800 1900 WCDMA IV 1700 Rx...

Страница 22: ...teristics for GSM850 900 1800 1900 and WCDMA V 850 and WCDMA I 2100 phones RM 270 Parameter Unit Cellular system GSM850 EGSM900 GSM1800 1900 WCDMA V 850 and WCDMA I 2100 Rx frequency band GSM850 869 894 MHz EGSM900 925 960 MHz GSM1800 1805 1880 MHz GSM1900 1930 1990 MHz WCDMA V 850 871 892 MHz WCDMA I 2100 2110 2170 MHz Tx frequency band GSM850 824 849 MHz EGSM900 880 915 MHz GSM1800 1710 1785 MHz...

Страница 23: ... of Tx power levels GSM850 15 GSM900 15 GSM1800 16 GSM1900 16 WCDMA V 850 75 WCDMA I 2100 75 Main RF characteristics for GSM850 900 1800 1900 and WCDMA V 850 and WCDMA II 1900 phones RM 277 Parameter Unit Cellular system GSM850 EGSM900 GSM1800 1900 WCDMA V 850 and WCDMA II 1900 Rx frequency band GSM850 869 894MHz EGSM900 925 960 MHz GSM1800 1805 1880 MHz GSM1900 1930 1990 MHz WCDMA V 850 871 892 M...

Страница 24: ...00 0 30dBm 1 0mW 1W WCDMA V 850 50 24 dBm 0 01μW 251 2mW WCDMA II 1900 50 24 dBm 0 01μW 251 2mW Number of RF channels GSM850 124 GSM900 174 GSM1800 374 GSM1900 299 WCDMA V 850 108 WCDMA II 1900 289 Channel spacing GSM 200 kHz WCDMA 4 8 MHz Number of Tx power levels GSM850 15 GSM900 15 GSM1800 16 GSM1900 16 WCDMA V 850 75 WCDMA II 1900 75 RM 257 RM 270 RM 277 General information Page 1 12 COMPANY C...

Страница 27: ...s 2 13 CA 101 2 13 CA 31D 2 14 CA 35S 2 14 CA 57RS 2 14 DAU 9S 2 14 PCS 1 2 15 XCS 4 2 15 XRS 6 2 15 Attenuation values for SA 130 2 15 Attenuation values for CA 57RS 2 17 Service concepts 2 19 POS Point of Sale flash concept 2 19 Flash concept with FPS 10 2 20 Flash concept with FPS 10 and SS 62 2 21 RF testing concept with RF coupler 2 22 Module jig service concept with smart card reader 2 23 Mo...

Страница 28: ...List of Figures Figure 2 Basic flash concept with FPS 10 2 20 RM 257 RM 270 RM 277 Service Tools and Service Concepts Page 2 4 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 29: ...SB Caution To insert phone in fixture place battery connector end of phone on fixture first and secure battery compartment in notches on that end of the fixture Then pivot the other end of the phone down until latch engages Due to tolerance variation on latch pin setting it is advised to push release lever to allow phone to seat Release latch lever and verify phone is seated and remains on fixture...

Страница 30: ...ng and calibration For Bluetooth 2500 MHz band use instructions for SB 6 or JBT 9 Multiplexing between USB and FBUS media controlled by Vusb MMC interface Duplicated SIM connector Connector for control unit Access for AV and USB connectors For RF attenuation values see Attenuation values for CA 57RS page 2 17 RJ 177 Soldering jig RJ 177 is a soldering jig used for soldering and as a rework jig for...

Страница 31: ...ed tools The table below gives a short overview of service tools that can be used for testing error analysis and repair of product RM 257 RM 270 RM 277 refer to various concepts RM 257 RM 270 RM 277 Service Tools and Service Concepts Issue 1 COMPANY CONFIDENTIAL Page 2 7 Copyright 2007 Nokia All rights reserved ...

Страница 32: ...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 Re...

Страница 33: ...able 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 FPS 10 has not been set up JXS 1 RF shield box Because the WCDMA network disturbs the RX side testing of the WCDMA phone and the Tx signal of the WCDMA phone can severely disturb the WCDMA network a shield box is needed in all testing tuning and f...

Страница 34: ...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 the PC through the device if needed RJ 157 Rework jig RJ 157 is a jig used for soldering and as a rework jig for the engine module It is used together with the ST 55 stencil RJ 160 Rework jig RJ 160 is a jig used for sol...

Страница 35: ...est box is a generic service device used to perform Bluetooth bit error rate BER testing and establishing cordless FBUS connection via Bluetooth An ACP 8x charger is needed for BER testing and an AXS 4 cable in case of cordless interface usage testing Sales package includes SB 6 test box Installation and warranty information SPS 1 Soldering Paste Spreader The SPS 1 allows spreading of solder to th...

Страница 36: ...connection using galvanic connector or coupler multiplexing between USB and FBUS media controlled by VUSB SS 88 Camera removal tool The camera removal tool SS 88 is used to remove attach the front camera module from to the socket SS 93 Opening tool SS 93 is used for opening JAE connectors ST 40 Rework stencil ST 40 is a rework stencil and used with RJ 93 RM 257 RM 270 RM 277 Service Tools and Serv...

Страница 37: ...d 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 257 RM 270 RM 277 refer to various 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 RM 257 RM 270 RM 277 Service Tools and Service Conce...

Страница 38: ...able that is used for RF tuning with product specific module jig For RF attenuation values see Attenuation values for CA 57RS page 2 17 DAU 9S MBUS cable The MBUS cable DAU 9S has a modular connector and is used for example between the PC s serial port and module jigs flash adapters or docking station adapters Note Docking station adapters valid for DCT4 products RM 257 RM 270 RM 277 Service Tools...

Страница 39: ...mple 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 Attenuation values for SA 130 RM 257 attenuation values with SA 130 Band Channel Freq Attenuation RX Freq Attenuation TX GSM 850 Low 869 2 9 5 824 2 13 5 Mid 881 6 9 3 836 6 12 2 High 893 8 9 848 8 10 5 RM 257 RM 270 RM 277 Se...

Страница 40: ... 1 0 dB RM 270 attenuation values with SA 130 Band Channel Freq Attenuation RX Freq Attenuation TX GSM850 Low 869 2 8 8 824 2 11 6 Mid 881 6 8 3 836 6 10 7 High 893 8 7 8 848 8 9 7 GSM900 Low 925 2 7 7 880 2 8 2 Mid 942 6 7 6 897 6 7 8 High 959 8 7 5 914 8 7 7 GSM1800 Low 1805 2 9 2 1710 2 10 6 Mid 1842 6 8 3 1747 6 10 3 High 1879 8 7 8 1784 8 9 8 GSM1900 Low 1930 2 7 8 1850 2 8 2 Mid 1960 0 8 4 1...

Страница 41: ...10 2 10 1 Mid 1842 6 8 5 1747 6 9 7 High 1879 8 7 6 1784 8 9 1 GSM 1900 Low 1930 2 7 1 1850 2 8 3 Mid 1960 0 7 4 1880 0 7 6 High 1989 8 8 4 1909 8 7 2 WCDMA Band II Low 1932 6 7 1 1852 6 8 3 Mid 1960 7 4 1880 7 6 High 1987 4 8 4 1907 4 7 2 WCDMABandV Low 871 6 12 2 826 6 15 5 Mid 880 11 4 835 14 6 High 891 4 10 8 846 4 13 6 TX attenuation tolerance is 1 0 dB RX attenuation tolerance is 1 0 dB Atte...

Страница 42: ...w 2110 0 0 5 1920 0 0 5 Mid 2140 0 0 5 1950 0 0 5 High 2170 0 0 5 1980 0 0 5 WCDMA Band II Low 1932 6 0 5 1852 6 0 5 Mid 1960 0 5 1880 0 5 High 1987 4 0 5 1907 4 0 5 WCDMABandV Low 871 6 0 3 826 6 0 3 Mid 880 0 3 835 0 3 High 891 4 0 3 846 4 0 3 WLAN or Bluetooth Low 2402 0 6 2402 0 6 Mid 2450 0 6 2450 0 6 High 2480 0 6 2480 0 6 GPS 1559 0 5 N A Test Frequency 1575 52 0 5 N A 1610 0 5 N A RM 257 R...

Страница 43: ...roduct specific tools BL 5C Battery Other tools FLS 5 POS flash dongle PC with Phoenix service software Cables CA 101 Micro USB cable RM 257 RM 270 RM 277 Service Tools and Service Concepts Issue 1 COMPANY CONFIDENTIAL Page 2 19 Copyright 2007 Nokia All rights reserved ...

Страница 44: ...dapter 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 257 RM 270 RM 277 Service Tools and Service Concepts Page 2 20 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 45: ...unit FPS 10 Flash prommer box PKD 1 PK 1 SW security device SS 62 Flash adapter base PC with Phoenix service software Cables PCS 1 Power cable XCS 4 Modular cable Standard USB cable USB cable RM 257 RM 270 RM 277 Service Tools and Service Concepts Issue 1 COMPANY CONFIDENTIAL Page 2 21 Copyright 2007 Nokia All rights reserved ...

Страница 46: ...rt 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 XCS 4 Modular cable XRS 6 RF cable GPIB control cable RM 257 RM 270 RM 277 Service Tools and Service Concepts Page 2 22 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 47: ...e jig Other tools CU 4 Control unit PKD 1 SW security device SX 4 Smart card PC with Phoenix service software Smart card reader Cables DAU 9S MBUS cable PCS 1 Power cable XRS 6 RF cable USB cable RM 257 RM 270 RM 277 Service Tools and Service Concepts Issue 1 COMPANY CONFIDENTIAL Page 2 23 Copyright 2007 Nokia All rights reserved ...

Страница 48: ...mer box PKD 1 PK 1 SW security device SX 4 Smart card PC with Phoenix service software Measurement equipment Cables PCS 1 DC power cable XCS 4 Modular cable XRS 6 RF cable USB cable GPIB control cable RM 257 RM 270 RM 277 Service Tools and Service Concepts Page 2 24 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 50: ...RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide This page left intentionally blank Page 3 2 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 51: ...ra module troubleshooting 3 33 Introduction to camera troubleshooting 3 33 Taking and evaluating test pictures with main camera 3 34 Camera troubleshooting 3 35 Camera and HWA hardware troubleshooting 3 35 Audio troubleshooting 3 37 Audio troubleshooting test instructions 3 37 Internal earpiece troubleshooting 3 40 Internal microphone troubleshooting 3 41 Internal handsfree IHF troubleshooting 3 4...

Страница 52: ...g pic 2 Take single trig measurement for the rise of the BSI signal 3 19 Figure 8 SIM power up sequence 3 24 Figure 9 External input Ear out 3 38 Figure 10 External input HS_EAR_L out 3 39 Figure 11 External input IHF out 3 39 Figure 12 Vibra signals 3 46 Figure 13 GPS Control dialog box 3 47 Figure 14 GPS antenna test pads 3 49 Figure 15 GPS RF probe points 3 49 Figure 16 Bluetooth component layo...

Страница 53: ...ts Context Always start the troubleshooting procedure by running the Phoenix self tests If a test fails please follow the diagram below If the phone is dead and you cannot perform the self tests go to Dead or jammed device troubleshooting RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 5 Copyright 2007 Nokia All rights reserved ...

Страница 55: ...ST_CURRENT_CONS_TEST troubleshooting Troubleshooting flow RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 7 Copyright 2007 Nokia All rights reserved ...

Страница 56: ...ST_SLEEPCLK_FREQ_TEST troubleshooting Troubleshooting flow RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Page 3 8 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 57: ...ST_SLEEP_X_LOOP_TEST troubleshooting Troubleshooting flow RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 9 Copyright 2007 Nokia All rights reserved ...

Страница 58: ...Figure 3 Signal at J2217 Figure 4 Signal at W2803 RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Page 3 10 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 59: ...ST_UEM_CBUS_IF_TEST troubleshooting Troubleshooting flow RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 11 Copyright 2007 Nokia All rights reserved ...

Страница 60: ... troubleshooting Dead or jammed device troubleshooting Troubleshooting flow RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Page 3 12 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 62: ...e VREF AVILMA ON ON 1 35 RF reference VCORE BETTY ON ON 1 05 1 25 1 35 1 40 RAP3G digital VOUT BETTY OFF OFF 2 5 Not used Accessory connected V2 8 TK63128B G OFF OFF 2 850 Camera Disabled in sleep VDIG LM3677 OFF OFF 1 800 Camera Disabled in sleep VSD LP3929TMEX OFF OFF 2 850 MicroSD card Disabled in sleep VLED1 TK11891F G OFF OFF 6 0 Main LCD Backlight Disabled in sleep VLED2 TK11891F G OFF OFF 6...

Страница 63: ... may take up to 1 ms 4 RF clock is stable 5 After 16 ms Vilma releases PURX Digital ASICs start their boot sequence RAP3G can switch SW controlled regulators on off RAP3G controls sleeping by SleepX signal 6 RAP3G is powered up Note SleepX signal is raised at the beginning of start up procedure and it does not go to zero before system is really ready to go to sleep This differs from behaviour in p...

Страница 64: ...Hall sensor troubleshooting Troubleshooting flow RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Page 3 16 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 65: ...Charging troubleshooting Troubleshooting flow RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 17 Copyright 2007 Nokia All rights reserved ...

Страница 66: ...bleshooting Flash programming fault troubleshooting Troubleshooting flow RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Page 3 18 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 67: ...r the rise of the BSI signal Figure 7 Flashing pic 2 Take single trig measurement for the rise of the BSI signal RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 19 Copyright 2007 Nokia All rights reserved ...

Страница 68: ...Combo memory troubleshooting Troubleshooting flow RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Page 3 20 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 69: ...SD card troubleshooting Troubleshooting flow RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 21 Copyright 2007 Nokia All rights reserved ...

Страница 70: ...USB interface troubleshooting Troubleshooting flow RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Page 3 22 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 71: ...SIM card troubleshooting Troubleshooting flow RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 23 Copyright 2007 Nokia All rights reserved ...

Страница 72: ...is pressed This kind of failure is caused by mechanical reasons dirt or corrosion Malfunction of several keys at the same time this happens when one or more rows or columns are failing shortcut or open connection If the failure mode is not clear start with the Keyboard test in Phoenix RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Page 3 24 COMPANY CONFIDENTIAL Issue 1 Copyright 2...

Страница 75: ...Power end key troubleshooting Troubleshooting flow RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 27 Copyright 2007 Nokia All rights reserved ...

Страница 76: ...ght power source in the main engine of the phone This means that in case the display is working image OK the backlight is faulty Visual defects pixel Pixel defects can be checked by controlling the display with Phoenix Use both colours black and white on a full screen The display may have some random pixel defects that are acceptable for this type of display The criteria when pixel defects are reg...

Страница 77: ...embling the phone all grounding contacts between different levels display display flex display frame hinge flex connector must be checked in order to have them properly connected RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 29 Copyright 2007 Nokia All rights reserved ...

Страница 81: ...ure quantitatively and the difference between a good and a bad picture can be small Some training or experience may be needed to detect what is actually wrong When checking for possible errors in camera functionality knowing what error is suspected significantly helps the testing by narrowing down the amount of test cases The following types of image quality problems are common RM 257 RM 270 RM 27...

Страница 82: ...at infinity 2m and at macro distance 10 15 cm in order to verify auto focus functionality When evaluating a test picture remember the following The center of the picture is sharper than the edges If phone has auto focus Remember that the white focussing frame which appears when the camera button is pressed halfway down must turn green for auto focus lock If the frame turns red the camera is not fo...

Страница 83: ...Camera troubleshooting Troubleshooting flow RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 35 Copyright 2007 Nokia All rights reserved ...

Страница 84: ...amera and HWA hardware troubleshooting Troubleshooting flow RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Page 3 36 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 85: ...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 7V Earpiece internal microphone a...

Страница 86: ...el V Output current mA External Mic to Internal handsfree XMICP and GND B2101 pads N A 1000 Square with amplitude equal to VBAT 1 9 N A Measurement data Figure 9 External input Ear out RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Page 3 38 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 87: ... 10 External input HS_EAR_L out Figure 11 External input IHF out RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 39 Copyright 2007 Nokia All rights reserved ...

Страница 88: ...Internal earpiece troubleshooting Troubleshooting flow RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Page 3 40 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 89: ...Internal microphone troubleshooting Troubleshooting flow RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 41 Copyright 2007 Nokia All rights reserved ...

Страница 90: ...nternal handsfree IHF troubleshooting Troubleshooting flow RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Page 3 42 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 91: ...External microphone troubleshooting Troubleshooting flow RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 43 Copyright 2007 Nokia All rights reserved ...

Страница 92: ...External earpiece troubleshooting Troubleshooting flow RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Page 3 44 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 93: ...Vibra troubleshooting Troubleshooting flow RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 45 Copyright 2007 Nokia All rights reserved ...

Страница 94: ...GPS layout and basic test points VBat ASIC internal LDO voltages and clocks are available as shown in figure above RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Page 3 46 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 95: ...h and Vdd_Dig Vcc_TCXO Vcc_PLL VCO will be present Receiver On turns on all RF sections of the ASIC and so all LDOs will be on These checks are part of GPS basic checks troubleshooting flow page 3 50 Quick Test window The Quick Test window has all the necessary functionality for GPS troubleshooting Ensure the test setup is correct and click Start Test Select Help for further information Thistestwi...

Страница 96: ...r to probe GPS RF test points inject 1575 52 MHz tone 50dBm at the GPS antenna test connector and select Receiver On then probe the GPS RF test points as shown in figure GPS RF probe points Compare RF levels with a known reference phone RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Page 3 48 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 97: ...ken down into two parts general GPS failure GPS basic checks The GPS failure troubleshooting flow can be followed and where applicable will feed into the Basic checks troubleshooting flow RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 49 Copyright 2007 Nokia All rights reserved ...

Страница 99: ...GPS basic checks troubleshooting flow Troubleshooting flow RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 51 Copyright 2007 Nokia All rights reserved ...

Страница 100: ...s unpredictable and could have many causes i e SW or HW related The main issue is to find out if the problem is related to the BT antenna or related to the BT system or the phone s BB and then replace fix the faulty component Figure 16 Bluetooth component layout Bluetooth settings for Phoenix Steps 1 Start Phoenix service software 2 From the File menu choose Open Product and then choose the correc...

Страница 101: ...ults Bit Error Rate test result is displayed in the Bit Error Rate BER Tests pane in the Bluetooth LOCALS window Figure 17 BER test result Bluetooth self tests in Phoenix Steps 1 Start Phoenix service software 2 ChooseFile Scan Product 3 Place the phone to a flash 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 Blu...

Страница 102: ...lick Update Data 9 Click Run Self Test 10 To run the tests click Start Figure 18 Bluetooth self tests in Phoenix RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Page 3 54 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 103: ...Bluetooth troubleshooting Part 1 Bluetooth troubleshooting RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 55 Copyright 2007 Nokia All rights reserved ...

Страница 104: ...Part 2 Bluetooth self test failed RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Page 3 56 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 105: ...ngs RF Baseband UI must be done after performing the certificate restoring procedure The procedure for certificate restoring is the following Flash the phone with the latest available software using FPS 10 Note USB flashing does not work for a dead BB5 phone Create a request file RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 57 Copyright 2007 N...

Страница 106: ... cable from PC USB Port to CU 4 control unit Phone model specific adapter for CU 4 control unit PCS 1 cable to power CU 4 from external power supply XCS 4 modular cable between flash prommer and CU 4 Note CU 4 must be supplied with 12 V from an external power supply in all steps of certificate restoring Steps 1 Program the phone software i Start Phoenix and login Make sure the connection has been ...

Страница 107: ...en show actions during phone programming please wait Programming is completed when Flashing Completed message is displayed RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 59 Copyright 2007 Nokia All rights reserved ...

Страница 108: ... connect the phone with Phoenix choose File Scan Product ii Choose Tools Certificate Restore iii To choose a location for the request file click Browse iv Name the file so that you can easily identify it and click Open The name of the file and its location are shown v To create the Request file click Start RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Page 3 60 COMPANY CONFIDENTI...

Страница 109: ...i Start Phoenix service software iii Choose File Scan Product iv From the Tools menu choose Certificate Restore and select Process a response file in the Action pane v To choose the location where response file is saved click Browse vi Click Open The name of the file and the path where it is located are shown RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENT...

Страница 110: ...vice software 3 Choose File Scan Product 4 Choose Tuning Energy Management Calibration 5 To show the current values in the phone memory click Read and check that communication between the phone and CU 4 works 6 Check that the CU 4 used check box is checked 7 Select the item s to be calibrated Note ADC calibration has to be performed before other item s However if all calibrations are selected at t...

Страница 111: ...ick Read and confirm that the new calibration values are stored in the phone memory correctly If the values are not stored to the phone memory click Write and or repeat the procedure again 10 To end the procedure close the Energy Management Calibration window RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide Issue 1 COMPANY CONFIDENTIAL Page 3 63 Copyright 2007 Nokia All rights reser...

Страница 112: ...RM 257 RM 270 RM 277 BB Troubleshooting and Manual Tuning Guide This page left intentionally blank Page 3 64 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 115: ...t 4 13 WCDMA RSSI measurement 4 14 Transmitter troubleshooting 4 14 Introduction to transmitter TX troubleshooting 4 14 GSM transmitter troubleshooting 4 14 GSM transmitter troubleshooting flowchart 4 17 WCDMA transmitter troubleshooting 4 17 WCDMA transmitter troubleshooting flowchart 4 19 Additional information on WCDMA testing and tuning 4 19 List of Figures Figure 19 Auto tuning concept with C...

Страница 117: ...ommended probe 10 1 10Mohm 8pF A radio communication tester including RF generator and spectrum analyser for example Rohde Schwarz CMU200 Alternatively a spectrum analyser and an RF generator can be used Some tests in this guide are not possible to perform if this solution is chosen Note A mobile phone WCDMA transmitter should never be tested with full TX power only it possible to perform the meas...

Страница 118: ...placeable RF components The following RF components cannot be replaced because of their location on the PWB RM 257 RM 270 RM 277 RF troubleshooting Page 4 6 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 119: ...and logged in a result file if initiated Hardware set up Hardware requirements for auto tuning PC Windows 2000 XP with GPIB card Power supply Product specific module jig Cables RF cable USB cable GBIP cable and DAU 9S Signal analyser TX signal generator RX and RF splitter or one device including all RM 257 RM 270 RM 277 RF troubleshooting Issue 1 COMPANY CONFIDENTIAL Page 4 7 Copyright 2007 Nokia ...

Страница 120: ...ltage checking Steps 1 Set up the main board in the module jig The phone should be in local mode 2 Check the following Signal name Test point Voltage all bands 1 VCTCXO supply R7501 2 5 V 2 AHNEUS supply from DC DC conv L7502 3 2 V 3 TXFEM supply L7510 3 9 V 4 WCDMA PA supply from DC DC conv C7543 0 V When transmitting 1 3 V 3 1 V depending on output power 3 1 V with settings as in the note below ...

Страница 121: ...d WCDMA I use channel 9750 For band WCDMA IV use channel 1450 For band WCDMA V use channel 4183 RM 257 RM 270 RM 277 RF troubleshooting Issue 1 COMPANY CONFIDENTIAL Page 4 9 Copyright 2007 Nokia All rights reserved ...

Страница 122: ...Figure 20 General voltage checking test points main board top side RM 257 RM 270 RM 277 RF troubleshooting Page 4 10 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 124: ...SI measurement Prerequisites Make the following settings in Phoenix service software Setting GSM850 GSM900 GSM1800 GSM1900 Phoenix Channel 190 37 700 661 Signal generator to antenna connector 881 66771MHz 67 71KHz offset at 60dBm 942 46771MHz 67 71kHz offset at 60dBm 1842 86771MHz 67 71kHz offset at 60dBm 1960 06771MHz 67 71kHz offset at 60dBm Steps 1 Set the phone to local mode 2 Activate RSSI re...

Страница 125: ...700 For band WCDMA IV use channel 1637 For band WCDMA V use channel 4408 3 Click Start to activate the settings If the settings are changed later on for example change of channel you have to click Stop and Start again Note Clicking Stop also disables TX control if it was active RM 257 RM 270 RM 277 RF troubleshooting Issue 1 COMPANY CONFIDENTIAL Page 4 13 Copyright 2007 Nokia All rights reserved ...

Страница 126: ... transmit on frequencies that are in use The transmitter can be controlled in local mode for diagnostic purposes The most useful Phoenix tool for GSM transmitter testing is RF Controls in WCDMA transmitter testing the best tool is TX Control Remember that re tuning is not a fix Phones are tuned correctly in production Note Never activate the GSM or WCDMA transmitter without a proper antenna load A...

Страница 127: ...c TX parameters i e power phase error modulation and switching spectrum using a communication amalyser for example CMU200 Note Frequency error is common as there is no automatic AFC control It can be adjusted using the AFC input box RM 257 RM 270 RM 277 RF troubleshooting Issue 1 COMPANY CONFIDENTIAL Page 4 15 Copyright 2007 Nokia All rights reserved ...

Страница 128: ...al readings 4 Change power level RF controls and make sure the power reading follows accordingly RM 257 RM 270 RM 277 RF troubleshooting Page 4 16 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 129: ...ter troubleshooting flowchart Troubleshooting flow WCDMA transmitter troubleshooting Steps 1 Set the phone to local mode 2 In Phoenix select Testing WCDMA TX control 3 In the TX control window make settings like in the picture RM 257 RM 270 RM 277 RF troubleshooting Issue 1 COMPANY CONFIDENTIAL Page 4 17 Copyright 2007 Nokia All rights reserved ...

Страница 130: ...and WCDMA V use channel 4183 4 Click Send to enable the settings and activate TX If settings are changed e g new channel you have to click RF Stop and Send again RM 257 RM 270 RM 277 RF troubleshooting Page 4 18 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 131: ...sting and tuning please refer to the following Technical Bulletins Autotuning Function in Phoenix TB 001 WCDMA Tuning and Testing Instructions with Shield Box TB 003 Activation of New Autotuning Version in Phoenix for Willtek4400 TB 004 RM 257 RM 270 RM 277 RF troubleshooting Issue 1 COMPANY CONFIDENTIAL Page 4 19 Copyright 2007 Nokia All rights reserved ...

Страница 135: ... concept 5 15 Audio concept 5 15 UHJ AV connector 5 16 Bluetooth 5 17 GPS interface RM 257 only 5 17 RF description 5 18 Receiver RX 5 18 Transmitter TX 5 19 List of Tables Table 9 Nominal voltages 5 10 List of Figures Figure 22 Battery pin order 5 9 Figure 23 Small left and wide right charger plugs 5 9 Figure 24 SIM interface 5 12 Figure 25 Keyboard layout 5 14 Figure 26 Side keys 5 14 Figure 27 ...

Страница 137: ...A BETTY N2200 N2300 RF ASIC Ahneus N7505 Processor RAP3GS D2800 PA GSM Front end module FEM quad band N7520 PA WCDMA N7540 Oscillators VCTCXO Balun GSM Balum WCDMA G7501 T7502 T7580 Memories 512 Mbit NOR 256 Mbit SDRAM Combo Stacked with RAP3GS D2801 Back up battery RTC back up battery 311 G2200 Bluetooth BTPerf 2 3 module N6030 Fold switch Hall IC switch position sensor N2400 Battery BL 5C Batter...

Страница 138: ...Key component placement top side Key component placement bottom side RM 257 RM 270 RM 277 System Module Page 5 6 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 141: ...onnector The battery connector is a 3 pole connector 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 wider standard charger 3 5 mm can be used together with the CA 44 charger adapter Figure 23 Small le...

Страница 142: ...power key is pressed the system boots up if an adequate battery voltage is present Power down can be initiated by pressing the power key again the system is powered down with the aid of SW The power key is connected to EM ASIC N2200 AVILMA via PWRONX signal 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 AVILM...

Страница 143: ...y RAP for low power operation SMPS Clk is 2 4 MHz clock line from RAP to EM ASIC N2300 In deep sleep mode when VCTCXO is off this signal is set to 0 state BT Clk is 38 4 MHz signal from Ahneus ASIC to BT module CLK600 The clock source is an internal RC oscillator in EM ASIC N2300 during the power up sequence or RAPIDO SMPS Clk USB SIM µSD USB USB UniversalSerialBus providesawiredconnectivitybetwee...

Страница 144: ...interface The EM ASIC handles the detection of the SIM card The detection method is based in the BSI line Because of the location of the SIM card removing the battery causes a quick power down of the SIM IF The SIM interface supports both 1 8 V and 3 0 V SIM cards The SIM interface voltage is first 1 8 V when the SIM card is inserted and if the card does not respond to the ATR a 3 V interface volt...

Страница 145: ...This phone has two displays one main display and one small display It does not require any tuning in service The interconnection between the LCD module and the engine is implemented with a 24 pin board to board connector Keyboard and other keys Most keys are placed on the main board Numeric keys Soft keys L R Navigation keys 4 with Select in the centre RM 257 RM 270 RM 277 System Module Issue 1 CO...

Страница 146: ...r key Also three volume up down and camera keys are placed on the top board Figure 25 Keyboard layout Figure 26 Side keys RM 257 RM 270 RM 277 System Module Page 5 14 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 147: ...the Hall sensor is fluxed by magnetic field Audio concept Audio concept The functional core of the audio hardware is built around RAP3GS and N2200 AVILMA N2200 provides an interface for the trancducers and the UHJ AV connector There are three audio transducers 2 dynamic speakers IHF and earpiece 1 microphone module N2200 also provides an output for the vibra motor All external audio accessories ar...

Страница 148: ...d other galvanic accessories are connected to the specific audio input The accessory mode is automatically enabled disabled when a dedicated accessory is connected disconnected Note When testing external audio through the audio connector make sure that the specific accessory can be used with this phone RM 257 RM 270 RM 277 System Module Page 5 16 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia A...

Страница 149: ...he regulated voltage VIO For audio applications the Bluetooth has a PCM data bus In addition a UART universal asynchronous receiver transmitter is used for data communication and controls GPS interface RM 257 only The device includes an inbuilt GPS receiver and it works as a stand alone positioning device The antenna is located below the main keypad in the bottom of the product The GPS system is c...

Страница 150: ...then transferred further to the baseband eg to the earpiece The receiver functions are implemented in the RF ASIC Signals with different frequencies take different paths therefore being handled by different components The principle of GSM and WCDMA is the same RM 257 RM 270 RM 277 System Module Page 5 18 COMPANY CONFIDENTIAL Issue 1 Copyright 2007 Nokia All rights reserved ...

Страница 151: ... of this signal can be tuned to match the bandwith of the system in use eg GSM900 The transmitter functions are implemented in the RF ASIC Even though the GSM and WCDMA signals are sent via different components the principles of the transmission is the same RM 257 RM 270 RM 277 System Module Issue 1 COMPANY CONFIDENTIAL Page 5 19 Copyright 2007 Nokia All rights reserved ...

Страница 155: ...h 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 Timin...

Страница 156: ... 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 Equipment I...

Страница 157: ...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 Po...

Страница 158: ...ver 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 Vp ...

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