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CMD-J6/J26

 

 

 

 

 

 

SERVICE MANUAL        

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

     

E Model 

 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
 

______________________________________________________________________________________________________________ 

SPECIFICATIONS 

 

 

Signalling format 

Dual-Band 

 

Frequency range 

E-GSM 900 MHz,  Transmit:  880 ~ 915 MHz 

 

 

 

Receive:  925 ~ 960 MHz 

 

 

DCS 1800 MHz,  Transmit:  1710 ~ 1785 MHz 

 

 

 

Receive:  1805 ~ 1880 MHz 

 

GSM power class 

Class 4 (2W) 

 

DCS  power class  

Class 1 (1W) 

 

SIM chip 

3V and 5V Pluggable mini SIM card 

 

Display 

High resolution full graphics display 

 

 

4 Grey-scale type 

 

 

Resolution: 96 x 92 pixels 

 

 

9 lines, proportional font 

 

Channel spacing 

200 kHz 

 

Number of channels 

E-GSM:  174 

 

 

DCS: 

374 

 

Frequency stability 

Transmit frequency drift (synchronized) 

 

 

±

 0,1 p.p.m 

 

RF output power 

GSM:  2W 

 

 

DCS :  1W 

 

Battery life 

Standby :  30h -150h  standard battery 

 

 

 

41h -206h  extended battery 

 

 

Talk time :   2h15 - 6h  standard battery 

 

 

 

3h00 - 8h  extended battery 

 

Dimensions 

123 mm x 42 mm x 15 mm

³

 

 

Weight  

82 g 

 

Volume  

79 cm

³

  

 

 

PORTABLE DIGITAL CELLULAR TELEPHONE

 

WITH ACCESSORIES 

 
 

 

 

 

Summary of Contents for CMD-J26

Page 1: ...1 1W SIM chip 3V and 5V Pluggable mini SIM card Display High resolution full graphics display 4 Grey scale type Resolution 96 x 92 pixels 9 lines proportional font Channel spacing 200 kHz Number of channels E GSM 174 DCS 374 Frequency stability Transmit frequency drift synchronized 0 1 p p m RF output power GSM 2W DCS 1W Battery life Standby 30h 150h standard battery 41h 206h extended battery Talk...

Page 2: ...K Main Unit QN 3HFK HFK Cradle QN J5CH Cigar Lighter Charger QN 3CC Data Cable RS QN 3RS Data Cable USB QN 3USB Mobile Data Software QN 3DS Headset QN 3HS Travel Charger QN 3TC NOTE This device contains electrostatically sensitive components Damage can occur to these components if the appropriate handling is not adhered to ESD Handling precautions A working area in which Digital Cellular Telephone...

Page 3: ...embling Testing 4 1 Disassembly 11 12 4 2 Interface to GSM Tester 13 4 3 Jigs and Tools 14 SECTION 5 Programming Instructions 5 1 Requirement 15 5 2 Hardware Set up 15 5 3 Software Set up 15 5 3 1 Software Download to Mobile 15 16 5 3 2 Save Personal Data in Mobile 16 5 3 3 Reset of Personal Data 16 5 3 4 Reset of Security Lock 16 SECTION 6 Diagrams 6 1 Block Diagram Radio Frequency 17 6 1 1 Gener...

Page 4: ...nds is given The user does not need any special action to use the multi band functionality of the phone Users are able to manually roam between PLMN s operating in GSM 900 and DCS 1800 bands E GSM With the further development of the GSM standard an additional range of frequencies has been made available to the Global system for mobile communications For each of the two duplex frequency ranges one ...

Page 5: ...concerning speech quality and availability of radio channel resources two further standards were introduced the Half Rate HR Codec and the Enhanced Full Rate EFR Codec The Half Rate HR Codec requires only half the channel capacity of a Full Rate FR Channel The Enhanced Full Rate EFR Codec requires the same radio channel resources as a Full Rate FR Codec but offers Fixed Line quality with superior ...

Page 6: ...y and in addition a microprocessor unit which manages RTC information by reading out the binary counter value in the microprocessor The charging circuitry and the safety circuitry together guarantee a double fail safe battery pack This means that each component can be either short or open and still all the safety requirements will not be violated The safety concept protects against Over voltage Th...

Page 7: ...tionality can be assigned on an accessory by accessory basis to be input output or interrupt Charge The Charge pin represents the positive contact for the charging funtionality GND The Ground pin represents the digital interface and charger return current ID This pin shows the presence of an accessory and is also an analog ID for the accessory Accessories which provide charger functionality only d...

Page 8: ...e hand Operation Function Function Rotate Scrolls through menu options Opens Phonebook in Standby Mode Press Opens Menu in Standby Mode click Selects an option highlighted in the display Press and Hold Dials the phone number selected 1 Antenna 2 Display 3 On Off Key Call End Key Clear Key 4 Voice Mail Key 5 Microphone 6 Keypad alphanumeric keys 7 Centre Key 8 Send Key 9 Ear piece 10 External conne...

Page 9: ...During an incoming call stop the ringer by sliding the side switch up During a game stop start the backround sound by sliding the side switch up 3 2 Security Codes CODE TYPE NUMBER OF DIGITS DESCRIPTION PIN Personal Identification Number 4 to 8 Controls SIM security Supplied by the Service Provider PIN 2 4 to 8 Controls memory security Supplied by the Service Provider PIN PIN 2 Personal Unblocking...

Page 10: ...d calls Incoming call barring Outgoing call barring Incoming Outgoing call barring Conditional Divert Unconditional Divert Active call Call hold Mute Microphone Headset connected Handsfree Kit connected Loudspeaker on Incomming Calls Outgoing Calls Missed Calls Delete All Read message Create message Settings Local area info Ringer Set Sound Calendar Phonebook menu Voicemail Search Clock Calculator...

Page 11: ...cy between the number on the sticker and the number within the set memory allowed In case of replacing the lower cabinet it is to make sure that the IMEI Sticker mounted on the lower case visible from the battery compartment will be replaced to the new housing part as well Follow the disassembly procedure in the numerical order given CABINET UPPER MAIN BOARD ASS Y ...

Page 12: ...12 LCD CABINET LOWER Re assembly procedure To re assemble the unit apply the reverse order of the above mention disassembly procedure IMPORTANT Do not detach the shield case from the main board ...

Page 13: ...is unit acts as a base station providing all the necessary GSM signalling requirements and provides GSM signal measuring facilities as well CMD J 6 J 26 Battery Pack Test SIM Card RF input Connector STC 03 Part No 3 224 391 01 RF output SMA jack Use special RF Adapter for connection of STC 03 to your GSM Tester ...

Page 14: ...For Connection To GSM Measure Equipment Level Test Procedure with GSM TESTER recommendation Simulate GSM call processing to check the functionality of transmitting and receiving audio signals of loudspeaker and microphone Basic GSM transmission reception parameter testing to ensure that handset s performance compiles with standard GSM specification DATA TRANSFER CABLE HOOK RELEASE JIG SERVICE TEST...

Page 15: ...re the Flash Loader will attempt to perform data control operations which are not generally permitted by original SIMs The test SIM is not absolutely necessary for a generally software update although it is useful Attach battery pack to CMD J6 J26 the CMD J6 J26 is powered up from the battery pack The initial settings of the flash exe program may not correspond with the normally correct settings I...

Page 16: ...n When the message write user data complete appears disconnect the Data Transfer Cable and make sure that the attached battery pack will be removed do not switch off the terminal with the ON OFF key 5 3 3 Reset of User Data Erase Data Check if the settings for the Com Port and Speed are correct Switch on the CMD J26 Click on Erase Data Now the program runs automatically all individual settings suc...

Page 17: ...means of an IQ modulator and the subsequenting sum loop All RF and IQ signals are balanced signals in order to suppress crosstalk effects According to GSM recommendations transmitter and receiver are never active at the same time TDMA system Time Division Multiple Access 2 1 ϕ 3 5 1 ϕ M 1 ϕ N 1 N 1 LO2 IF PLL 1 MHz step N N 1 1 LO1 RF PLL 200 kHz step PLL Antenna RF Connector with mechanical switc...

Page 18: ...ultiactor BL I F 6 2 Baseband Block Diagram 6 2 1 General The Baseband part consists of two chips a digital chip IC 1 and an analog one IC 2 The CMD J6 J26 external memory size is 32 Mbits Flash ROM and 4 Mbit SRAM IC 1 The application of IC 1 is the management of the GSM baseband processes through the GSM layer 1 2 and 3 protocols as described in the ETSI standard with a specific attention to the...

Page 19: ...he digital baseband device through a set of digital interfaces dedicated to the main functions of IC 1 1 A baseband serial port BSP and a voiceband serial port VSP to communicate with the DSP 2 A micro controller serial port USP to communicate with the micro contoller core of IC 1 3 A time serial port TSP to communicate with the processing unit for real time control 6 3 Audio Block Diagram 6 3 1 G...

Page 20: ... 794 665 11 CONNECTOR HOUSING 9 1 793 605 22 SIM CONNECTOR 10 A 3622 529 A FLEX MOUNT 11 3 228 344 01 PLATE JACK 12 1 418 426 21 ROTARY ENCORDER 13 1 529 799 21 MULTIACTOR 14 X 3380 306 2 CABINET LOWER ASSY SILVER 14 X 3381 222 1 CABINET LOWER ASSY WHITE 14 X 3381 223 1 CABINET LOWER ASSY BLUE 15 3 228 343 01 CAP RF 16 3 228 342 01 CAP JACK 17 1 756 202 11 LI ION BATTERY PACK SILVER 17 1 756 202 2...

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