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EB-GD55
EB-GD55C

ORDER NO. OMTD020801C8

C

2 0 0 2     M a t s u s h i t a   C o m m u n i c a t i o n   I n d u s t r i a l   C o . ,   L t d .

A l l   r i g h t s   r e s e r v e d .   U n a u t h o r i z e d   c o p y i n g   a n d
d i s t r i b u t i o n   i s   a   v i o l a t i o n   o f   l a w .

Personal  Cellular  Telephone

This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a
product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to
service or repair the product or products dealt with in this service information by anyone else could result in serious injury or
death.

WARNING

900 MHz

1800 MHz

Frequency Range

Tx/Rx frequency Separation

45 MHz

95 MHz

80 MHz

 

RF Channel Bandwidth

200 KHz

200 KHz

200 KHz

Number of RF channels

174

374

300

Speech coding

FR & EFR

FR & EFR

FR & EFR

Operating temperature

–10 

°

C – 55 

°

C

–10 

°

C – 55 

°

C

–10 

°

C – 55 

°

C

Type

Class 4 Handheld

Class 1 Handheld

Class 1 Handheld

RF Output Power

Max. 32 dBm

Max. 29 dBm

Max. 29 dBm

Modulation

GMSK

GMSK

GMSK

WAP

WAP1.2.1

Connection

8ch / TDMA 

Voice digitizing

13 kbps RPE-LTP / 13 k

Transmission speed

270.833 KBPS

Signal Reception

Direct conversion

Antenna Impedance

50 

 

(External Connector)

Dimensions

Height: 77 mm x Width: 43 mm x Depth: 16.9 mm

(excluding antenna)

Volume

< 50 cc

Weight

65g with Battery, 41g without Battery

Display

Resolution 112 x 64 <width 

 height>

Illumination

2 LED for the LCD (Blue Light)

6 LED for the keypad (Blue Light)

Keys

 16-Key keypad, Navigation key

SIM

3V plug-in

External DC Supply Voltage

3.8 V

Battery

Standard Li-Ion 720 mAh

Standby Time

Up to 250 hr

Talk Time

Up to 150 min

Specifications

Tx 880 – 915 MHz

Rx 925 – 960 MHz

Tx 1710 – 1785 MHz

Rx 1805 – 1880 MHz

1900 MHz

Tx 1850 – 1910 MHz

Rx 1930 – 1990 MHz

Summary of Contents for EB-GD55C

Page 1: ...paration 45 MHz 95 MHz 80 MHz RF Channel Bandwidth 200 KHz 200 KHz 200 KHz Number of RF channels 174 374 300 Speech coding FR EFR FR EFR FR EFR Operating temperature 10 C 55 C 10 C 55 C 10 C 55 C Type Class 4 Handheld Class 1 Handheld Class 1 Handheld RF Output Power Max 32 dBm Max 29 dBm Max 29 dBm Modulation GMSK GMSK GMSK WAP WAP1 2 1 Connection 8ch TDMA Voice digitizing 13 kbps RPE LTP 13 k Tr...

Page 2: ...ments 3 3 3 5 2 Editing Alpha Entry 3 3 3 6 Features Menu Structure Main Menu Options 3 4 3 7 Incoming Call Line Identification CLI 3 10 3 8 Public Man Machine Interface MMI 3 10 3 8 1 General 3 10 3 8 2 Reading the Phonebook Memory Location 3 10 3 8 3 Presentation of IMEI 3 10 3 8 4 Security 3 10 3 8 5 Call Hold 3 10 3 8 6 Call Waiting 3 10 3 8 7 Call Line Identification 3 11 3 8 8 Telecomunicati...

Page 3: ...cs 5 1 5 1 1 Frequency Error 5 1 5 1 2 Modulation Phase Error 5 1 5 1 3 Output RF Spectrum due to Modulation 5 1 5 1 4 Outout RF Spectrum due to Switching Transients 5 1 5 1 5 Spurious Emissions at Antenna Connector 5 2 5 1 6 Residual Peak Power 5 2 5 2 Rx Characteristics 5 2 5 2 1 Sensitivity 5 2 6 REPLACEMENT PARTS LIST 6 1 6 1 Exploded View 6 1 6 2 Replacement Parts List 6 2 ...

Page 4: ...Mobile Telephone system operating on GSM Digital Cellular Networks 1 2 Structure of the Manual 1 3 Servicing Responsibilities The manual is structured to provide service engineering personnel with the following information and procedures 1 General and technical information provides a basic understanding of the equipment kits and options together with detailed information for each of the major comp...

Page 5: ...nd GSM1800 operation 3 Tegic T9 Text Entry 4 Voice Ringer 5 Desktop Handsfree function comprising integral echo cancellation and noise suppression 6 Wireless Application Protocol WAP Browser 7 Backup Battery 8 Downloadable polyphonic melody ring tones 9 Clock Calculator and Currency Converter 2 3 Handportable Main Kit Figure 2 1 Handportable Main Unit Kit Content ITEM DESCRIPTION 1 Main Unit Silve...

Page 6: ...s are available Figure 3 1 Crystal Display Icon Description Displayed when the user is registered to a non home network roaming Displayed when call divert is enabled Displayed when phone lock is enabled Display when an unread message is store or lights when message area is full Indicates the received signal strength Indicates the battery level Indicates alarm is set Displayed when vibration alert ...

Page 7: ...splay area Cancel key this key is mainly used to cancel the current operation and return to the previous menu level or jump back to idle Ends a call or Hold enables the user to switch the phone on off Perform the functions indicated by text shown on the LCD screen In idle mode long press to enter a Long press in idle to activate WAP browser Long press in idle to switch the vibrator on and off 3 3 ...

Page 8: ...splay a list of call records 8 T9 Input Mode to switch between Input method Power End Key 8 Press and hold this key to turn on off the phone 8 End a call or reject an incomming call 1 Synbol 1 table 2 a b c 2 ä à 3 d e f 3 é è 4 g h i 4 ì 5 j k l 5 6 m n o 6 ö ñ 7 p q r s 7 β 8 t u v 8 ü ù 9 w x y z 9 æ ø å T9 input mode 0 0 _ T9 on off mode Key 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 Synbol 1 table 2 ...

Page 9: ...s Silent Ring Type Melody Composer Key Tone On Off Beep Warning Tone Display Setting Idle Screen Wall paper Greeting Animation Power on off Contrast 10 degrees 3 options Back Light On Off List Mode On Off Vibration Alert Ring Only View Ring Tone Ring Vibration Vibration Only Profile Mode User Msg Auto Answer Defaults Own Menu STK or Game Phone Book Browse View Edit Delete Create MFE Group Setting ...

Page 10: ...te Server Setting IP Port Linger Time Login name Call Type Dial Number IP Address Password Messages Received List options RSK Read LSK Options Forward Reply Send List List of contents List of contents options Send Save Save Edit Edit Delete Delete Create Editor Send Picture Sound User Msg User Msg Review Parameters Message Centre UE Protocol 1 of N list ...

Page 11: ...C Currency Max Cost Personal Rate on off Auto Display Page Display on off All Un answer SCC All Calls SCC Not Reachable SCC No Reply SCC Busy SCC Receiving Fax SCC Receiving Data SCC Security Call Bar Call Divert SCC Outgo internat SCC Out int x home SCC All Incoming SCC When Roaming SCC Status Check Cancel All Cancel All Call Waiting Cellular s ID Withhold ID Charge Settings Status Check Phone Lo...

Page 12: ...rm only Network Configuration Automatic Manual info home netw ork UE list Applications Game Schedule Clock Function Select City Time Date UE Date Format DD MM YYYY DD MM YYYY MM DD YYYY YYYY MM DD YYYY MM DD Time Format 12 hr 24 hr 2nd Clock Display On Off Alarm Set Power Off Time on off UE Calculator Currency Melody Manager Picture Manager Records Press Send key in Idle Mode Last Dialled Answered...

Page 13: ...ce No Service Indication Country PLMN Indication Service Provider Indication Roaming Indication SMS Arriving Indication SMS Overflow Indication Vibration Mode Status Indication Show Time Date Line Service Indication Clock Alarm Indication Power On Off Animations PIN Greating Animation Greating Message Editing Lock Status Indication Keypad Phone Lock Back lighting LCD Backlight Keypad Backlight Bac...

Page 14: ... Switch On Off Ring Only Vibration Only Vibration and Ring Network Found Warning Tones Phone Parameters Greeting Message Own Number Language Any key Answer On Off Auto Answer On Off Illumination On Off Redial Reset Settings To Default Fast Access Key FDK in idle screen Key 1 to 9 assigned to the Phone number in SIM records from 1 to 9 Clock Settings Set Time Set Date Display Format Languages Fonts...

Page 15: ...e following procedures should be replaced by and respectively Also SND and END should be replaced with and keys MEMORY LOCATION Leading zeros can be left out of the location number e g 007 can be 7 Press key Change PIN 0 4 OLD PIN NEW PIN NEW PIN Change PIN2 0 4 2 OLD PIN2 NEW PIN2 NEW PIN2 Unblock PIN 0 5 PIN UNBLOCKING KEY NEW PIN NEW PIN Unblock PIN2 0 5 PIN2 UNBLOCKING KEY NEW PIN2 NEW PIN2 Pl...

Page 16: ...ification 3 1 TELEPHONE NUMBER SND 3 8 8 Telecommunication Services used for Public MMI Teleservice Service MMI Service Code Service Code All teleservices 10 Telephony 11 All data teleservices 12 Facsimile services 13 Short Message Services SMS 16 All teleservices except SMS 19 Voice group services 17 Bearer Service Service MMI Service Code All bearer services 20 All asynchronous services 21 All s...

Page 17: ...ICE CODE TELECOMMUNICATION SERVICE SND Clear all Call Divert 002 3 8 10 Call Bar 3 8 9 Call Divert All outgoing calls 33 Outgoing International Calls 331 Outgoing International Calls except those to the PLMN 332 All incoming calls 35 Incoming international calls when roaming 351 Set PASSWORD TELECOMMUNICATION SERVICE SND Clear TELECOMMUNICATION SERVICE SND Status TELECOMMUNICATION SERVICE SND Clea...

Page 18: ...isable the outgoing call barring Menu Security Call Bar Calls cannot be made The telephone is not registered to a network Move to a coverage area and operate the telephone after it has registered with a network Calls cannot be made from Fixed Dial Store Check that SIM supports Fixed Dial Check if the Fixed Dial is switched on Menu Security Fixed Dial Check the telephone number is shorted in the Fi...

Page 19: ... to Service Provider Message Rejected Store A message has been received but the message store is full To receive messages Full delete some of the currently stored messages or set messages to automatically clear Menu Message Parameters Auto Delete Code Type Number of Digits Description Personal Identification Number PIN 4 to 8 Controls SIM security Supplied by the service provider PIN 2 4 to 8 Cont...

Page 20: ...he PIN PIN 2 Supplied by the service provider Registration The act of locking on to a GSM network This is usually performed automatically by the telephone Roaming The ability to use the telephone on networks other than the Hone network Service Dial Numbers Service Dial Numbers are predefined numbers that allow the user to access a set of special services provided by the Service Provider For exampl...

Page 21: ...5 8 Slide in the black stick to the both side of hooks on the LCD Then remove the shield cover 4 1 4 1 Disassembly Instructions Step 1 8 Pull up the Battery Knob 8 Remove the Battery Step 2 8 Remove two screws by using T5 screw driver Battery knob Battery Two screws 4 DISASSEMBLY REASSEMBLY INSTRUCTIONS Slide in the black stick to the both side of hooks on the LCD Shield Cover ...

Page 22: ... 8 Narrow the gap between hook by using the tweezers Then remove the battery knob Do not lose the spring 4 2 Step 6 8 Remove the receiver gasket Step 7 8 Pull out the MIC holder and MIC unit from the PCB Ass y Step 8 8 Remove the vibrator unit Receiver gasket MIC holder MIC Unit Vibrator unit Speaker unit Battery knob Spring ...

Page 23: ... the Antenna top to antenna hole Step 3 8 Put the speaker vibrator on the base case by using the tweezers Step 4 8 Insert the MIC unit and MIC cover to main board Step 5 8 Put the receiver gasket on the receiver Step 6 8 Put the Shield cover on the PCB 1 3 2 Speaker Vibrator Keep flat side facing down Receiver gasket Shield cover ...

Page 24: ...p 7 8 Tighten a screw on the left hand of the LCD Step 8 8 Put the keypad on the upper case Step 9 8 Assemble upper base case Step 10 8 Tighten two screws Step 11 8 Assemble has been completed Keypad Two screws ...

Page 25: ...y Please be informed that all the measured values here are only for demo and not accurate PC Power Supply Data Cable RF Cable Aglint 8960Test Set 3 8 V Download Testing Jig 4 3 Adjustment Procedure 4 3 1 Equipment Setting Power Control level Nominal output power dBm Tolerance dB for conditions normal extreme 0 2 39 2 2 5 3 37 3 4 4 35 3 4 5 33 3 4 6 31 3 4 7 29 3 4 8 27 3 4 9 25 3 4 10 23 3 4 11 2...

Page 26: ...0 10 4 5 11 8 4 5 12 6 4 5 13 4 4 5 14 2 5 6 15 0 5 6 16 21 Reserved Reserved Reserved PCS 1900 Power Control Levels 4 3 5 TX Power Scaling Factors 2 1 Select the test band mode setp 2 Enter the middle ARFCN of each band click APPLY tab step W ex EGSM 37 8 Set tester in the same channel 3 Enter Scaling Factor step E PL 5 value is the reference step R click APPLY 8 Read the TX output power value on...

Page 27: ...Click WRITE tab step T if all bands are completed 4 3 7 RX Power Scaling Factors 1 1 Click RX TEST tab step Q 2 Click READ tab step W to get the default values of each band step E Note There are 2 parts on this TEST RX Calibration RX Frequency Compensation Set Tester to a Operating Mode Test b Test Function CW c RF Gen Power 60 ddm d Ms TX Level 5 4 3 8 RX Power Scaling Factors 2 1 Select the test...

Page 28: ...tep R No need to click the OFFSET 5 Click WRITE tab step T when the all channels and bands are completed 4 3 10 Battery 1 Click READ tab step Q 2 Adjust power supply to 4 2V DC and click ADC tab step W The ADC value will show 3 Enter the value in the corresponding cell step E 4 Adjust power supply to 3 2V DC and click ADC tab step W The ADC value will show 5 Enter the value in the corresponding ce...

Page 29: ...ble as the following figure 2 Pull the acrylic plate 3 Put the handset into the jig 4 Close the acrylic plate Then the handset will auto power on 5 Execute the download software 6 After finish the download pull the acrylic plate and take the handset DC Power Supply 3 8 V PC Data Cable Download Testing Jig ...

Page 30: ... Setup exe to install service package 2 Welcome Press Next to continue 3 User Information key in name and company then press next to continue 4 Choose Install directory then press next to continue 5 Choose program folder 6 Install progressing ...

Page 31: ...Step 2 Plug in the D L cable to the D L fix Step 3 Press the power on switch then release wait handset program loading until the screen chang from pressing switch to burning Please refer to next page Step 4 Wait for burning Step 5 When the successful appear on the screen the D L process was finished ...

Page 32: ... the handset into the jig 4 Close the acrylic plate Then the handset will auto power on 5 Rotate the knob to rise the RF probe connected with handset 6 Execute the download software 7 After finish the download rotate the knob to fall the RF probe separated with handset 8 Pull the acrylic plate and take the handset Case Separation Tool Case Opener T5 Screw driver DC Power Supply 3 8 V PC GMS Tester...

Page 33: ...e Error Offset from Centre Frequency kHz Maximum Level Relative to Carrier 9dB 100 0 5 200 30 250 33 400 60 600 to 1800 60 5 1 4 Output RF Spectrum due to Switching Transients Maximum Level dBm Offset from Centre Frequency kHz E GSM 900 GSM 1800 400 19 22 600 21 24 1200 21 24 1800 24 27 Measurement conditions for output RF spectrum measurements Frequency Span 0 Hz Measurement Bandwidth 30 kHz Vide...

Page 34: ...o of samples TCH FS FER Class lb RBER Class ll RBER 6 742 _ 0 42 _ 8 33 8900 1 000 000 120 000 7 5 24000 9 333 60000 0 122 _ 0 41 _ 2 439 164000 20 000 000 8200 The reference sensitivity level is 102 dBm 5 2 Rx Characteristics Note 1 α 1 6 The value of α can be different for each channel condition but must remain the same for FER and Class 1b RBER measurements for the same channel condition 100 kH...

Page 35: ...39 164 000 20 000 000 8 200 The reference sensitivity performance in terms of frame erasure bit error or residual bit error rates whichever is approproate is specified in the following table according to the propagation conditions Channels Propogation Conditions TUhigh Propogation Conditions RA Propogation Conditions HT Static Conditions Note 1 α 1 6 The value of α can be different for each channe...

Page 36: ...DE band 915 MHz 980 MHz FR 600 kHz to FR 800 kHz 70 70 FR 800 kHz to FR 1 6 MHz 70 70 FR 1 6 MHz to FR 3 MHz 80 80 915 MHz to FR 3 MHz 90 FR 3 MHz to FR 980 MHz 90 FR 600 kHz to FR 800 kHz 87 1785 MHz to FR 3 MHz 87 835 MHz to 915 MHz 113 980 MHz to 1000 MHz 113 100 kHz to 835 MHz 90 1000 MHz to 12 75 GHz 90 100 kHz to 1785 MHz 113 1705 MHz to 1785 MHz 101 1920 MHz to 1980 MHz 101 1980 MHz to 12 7...

Page 37: ... 6 1 1 2 3 4 4 4 8 7 6 20 22 21 23 24 25 26 27 5 16 14 19 9 10 11 12 13 17 18 15 6 REPLACEMENT PARTS LIST 6 1 Exploded View ...

Page 38: ...C 7 GBVE1002012 MIC Holder 8 FBVE1002012 Shield SIM Holder 9 DQ6CF003B01 Antenna Assy White DQ6CF003A03 Antenna Assy Gray 10 DN001308011 Speaker 11 AY010331011 Vibrator 12 FDVE1001018 Batt Knob Spring 13 EBVE1001016 Batt Konb Silver EBVE1001024 Batt Konb White 14 EAVE1002011 Base Case Silver EAVE1002020 Base Case Pearl White 15 AHL03707131 Battery Assy Silver AHL03707149 Battery Assy Pearl White 1...

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