Benefon Twin TGP71EU Service Manual

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SERVICE MANUAL
Benefon Twin
TGP71EU
Benefon Twin DS (Dual SIM)
TGP73EU
Gp_71ugbTOC.fm
Product: TGP71EU & TGP73EU
08.02.2002
1

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Summary of Contents for Benefon Twin TGP71EU

  • Page 1 Product: TGP71EU & TGP73EU 08.02.2002 SERVICE MANUAL Benefon Twin TGP71EU Benefon Twin DS (Dual SIM) TGP73EU Gp_71ugbTOC.fm...
  • Page 2: Table Of Contents

    1.8 Accessories ......... . 1 - 2 1.9 Main features of Benefon Twin ......1 - 3 1.9.1 User changeable mask .
  • Page 3 Product: TGP71EU & TGP73EU 08.02.2002 4.3.6 Tuning menu ........4 - 7 4.3.7 Help menu .
  • Page 4: Product Feature Description

    MHz (base transmit, mobile receive). Benefon Twin does not support E-GSM band. Maximum output power on lower band is 2 W and on upper band 1 W. Thus Benefon Twin belongs to power class 4 on lower band and to power class 1 on higher band.
  • Page 5: Connectors

    1.6 Operating voltages Maximum operating voltage is 5.2 V, minimum voltage 3.3 V. Nominal voltage 4.0 V. 1.7 Battery packs and operating times Initially three battery packs are available for Benefon Twin, namely Battery type Talk time up to Stand-by time up to...
  • Page 6: Main Features Of Benefon Twin

    1.9.2 Location based services Benefon Twin has a capability to send information of the base stations it can receive. This information is wrapped into a SMS message including some service requests. Network can calculate the location of the mobile based on this network information.
  • Page 7: Manufacturer

    Product: TGP71EU & TGP73EU 08.02.2002 1.10 Manufacturer BENEFON OYJ P.O. Box 84 (Meriniitynkatu 11) FIN 24101 SALO FINLAND Telephone: + 358 2 77 400 Facsimile: + 358 2 332 633 2gp_71gb.fm...
  • Page 8: Product Family

    Product: TGP71EU & TGP73EU 08.02.2002 1.11 PRODUCT FAMILY - BENEFON TWIN HANDPORTABLE TGP71EU / TGP73EU - MAINS CHARGER - CIGARETTE LIGHTER CHARGER - LIGHT HOLDER - PORTABLE HANDS FREE - BENEWIN - BELT CLIP 2gp_71gb.fm...
  • Page 9 Product: TGP71EU & TGP73EU 08.02.2002 2gp_71gb.fm...
  • Page 10 Product: TGP71EU & TGP73EU 08.02.2002 2gp_71gb.fm...
  • Page 11: Owner's Manual

    2.0 OWNER’S MANUAL 1user_gb.fm...
  • Page 12: Light Car Installation

    Product: TGP71EU & TGP73EU 12.12.2000 3.0 LIGHT CAR INSTALLATION 6gp_71gb.fm...
  • Page 13: Tg Local Feature Description

    4.1 General 4.1.1 Scope This document briefly describes the TG Service software for Benefon products belonging to the Twin Generation, namely Benefon Twin, Benefon Twin DS, Benefon Q, Benefon Esc! and Benefon Track. 4.1.2 Hardware requirements of TG Service software The use of TG Service software requires a proper service adapter ( APD 70 ).
  • Page 14: List Of Features

    Product: TGP71EU & TGP73EU / Local Service 08.02.2002 To establish a connection between the TG Service software and the phone do fol- lowing 1. Switch the adapter to the Service mode. Connect the mobile phone to the service adapter and check that the phone starts up. NOTE! When the phone starts, wait until the text "Seeking emergency cover"...
  • Page 15: File Menu

    Product: TGP71EU & TGP73EU / Local Service 08.02.2002 4.3.1 File menu The file menu allows the user to handle the tuning parameter file. It contains the tun- ing parameters of an individual phone. 4.3.1.1 Load from mobile With this option user can read all the tuning parameters from the phone’s non-vola- tile memory.
  • Page 16: View Menu

    Product: TGP71EU & TGP73EU / Local Service 08.02.2002 4.3.3 View menu This menu item allows the user to adjust some TG Service software window set- tings. 4.3.3.1 Toolbar With this setting the user can toggle the toolbar on and off. With the visible Toolbar, the user can access the most often needed functions faster than through the menu.
  • Page 17: Device Menu

    Product: TGP71EU & TGP73EU / Local Service 08.02.2002 4.3.4 Device menu This menu item allows the user to initialise a connection between the PC and phone plus toggle the mode of the phone between Service (Local) mode and Normal Oper- ation mode.
  • Page 18: Service Menu

    Product: TGP71EU & TGP73EU / Local Service 08.02.2002 4.3.5 Service menu This menu item allows the service personnel to use the service functions needed during unit repair and view related tune-up values. 4.3.5.1 View tuning values This menu item allows the user to view the LCD contrast setting and battery voltage correction value.
  • Page 19: Tuning Menu

    Product: TGP71EU & TGP73EU / Local Service 08.02.2002 4.3.6 Tuning menu This menu item allows the user to tune an individual setting related to the phone. 4.3.6.1 TX Power ramp This menu item allows the user to adjust the TX power levels on both GSM and DCS bands.
  • Page 20: Help Menu

    Product: TGP71EU & TGP73EU / Local Service 08.02.2002 4.3.7 Help menu This menu allows the user to check the version of the TG Service software. 3gp_71sw21gb.fm...
  • Page 21: Technical Description

    5.0 TECHNICAL DESCRIPTION 5.0.1 General Benefon Twin and Benefon Twin DS has two circuit boards, PCBs. Main PCB has all the GSM specific function on board, both radio and baseband section. Auxiliary PCB provides a platform for LCD display and keypad. Circuit boards are connected to together with a 32 pin connector.
  • Page 22 Product: TGP71EU & TGP73EU / 08.02.2002 RS1RX RS1 Receive Data 2.7V VBAT Battery Voltage 2.7V -6.0V RS1TX RS1 Transmit Data 2.7V EERPP Headset 0 VDC / 1.4 VDC + 0 -1 VRMS AC EERPN Headset 0 VDC / 1.4 VDC + 0 -1 VRMS AC AUXDET Headset Hook /...
  • Page 23 Product: TGP71EU & TGP73EU / 08.02.2002 PIN 4: RTS signal for asynchronic serial line number 1 (RS232). Used for data communication between the GSM mobile phones and PC. When there is other accessory than data cable connected to the mobile phone this pin can be used to control the accessory power.
  • Page 24: Charging & Battery

    Product: TGP71EU & TGP73EU / 08.02.2002 If this signal has been pulled to ground and the headset detector (pin 7) is in logic ’1’ state the mobile assumes that there is an accessory using serial port connected to the system connector. PIN 14 &...
  • Page 25: Hw And Sw Version Numbering

    Product: TGP71EU & TGP73EU / 08.02.2002 5.0.5 HW and SW version numbering Both HW and SW version are displayed in Service (local) mode. From idle mode SW version can be read from the phone by keying in *#0000#. Addi- tionally this display shows also the SW compilation date. 5.0.5.1 Hardware version HW version number consists of 8 digits like SBBRRDDZ.
  • Page 26: Logic/Audio

    Product:TGP71EU & TGP73EU / OC2300 08.02.2002 5.1 Logic/audio OC2300 5.1.1 General description for the baseband The baseband is built with Analog Devices components. The baseband can be devided into six major parts: 1. Enhanced GSM Processor 2. Voice Band Codec 3.
  • Page 27 Product:TGP71EU & TGP73EU / OC2300 08.02.2002 5.1.1.1 Enhanced GSM Processor The EGSMP (ADI chip AD6426) performs all the baseband functions of the layer 1 processing of the GSM interface. This includes all data encoding and decoding processes as well as timing radio sub-system control functions. In the EGSMP there is a DSP (speech codec and channel equalizer), main processor ( Hitachi H8/300H processor) and also the interfaces ( all the sub- system of the therminal, including the keypad, memories, display driver, SIM,...
  • Page 28 Product:TGP71EU & TGP73EU / OC2300 08.02.2002 5.1.1.2 Voice Band Codec The VBC (ADI chip AD6425) contains complete codecs for the conversion of voiceband and baseband signals as well as D/A- converters to control the radio subsystem and auxiliary A/D-converter for signal monitoring purposes. The voiceband codec is a complete analog front-end, which can interface directly with a microphone and a speaker.
  • Page 29 Product:TGP71EU & TGP73EU / OC2300 08.02.2002 5.1.1.3 Memory The memories consists of Flash SRAM and EEPROM. The Flash and RAM are 16 bits wide with total size of 32Mbit (Flash) and 4Mbit (RAM). The EEPROM is a 2-Wire Serial memory with the size of 128kbit. 5.1.1.4 Display The Display is a Seiko Epson FSTN LCD module (100*48 dots 2.7V) The...
  • Page 30: General

    Product:TGP71EU & TGP73EU / OC2300 08.02.2002 5.2 RF 5.2.1 General The RF-part is based on Hitachi dualband GSM RF-chip HD155121F, which includes receiver circuit, offset loop modulation TX architecture and IF-VCO. The final power amplifier is Hitachi PF08103B dualband TX module. RF parts are powered by three 2.8V linear regulators, which provide separate power supply for PLL synthesizer and VCO, modulator and TX-parts, and other RF- parts such as AGC-amplifier and LNA etc.
  • Page 31: Power Supply And Power Switching

    Product:TGP71EU & TGP73EU / OC2300 08.02.2002 5.2.5 Power supply and power switching The battery voltage is regulated in switchable regulators I302, I303 and I401. The used supply voltage for RF-components is 2.8 V, except dual-band TX- module.The power on/off switching is controlled from baseband-processor using output-enable pin of each regulator.
  • Page 32: Parts List Oc2300

    Product:TGP71EU & TGP73EU / OC2300 08.02.2002 5.2.7 Parts list OC2300 CODE PART DESCRIPT. VALUE MANUF. TYPE CG0101 C100 SMD capasitor X7R 100pF ñ5% Murata CG0330 C101 SMD capasitor NPO 33pF ñ5% Murata CG0103 C102 SMD capasitor X7R 10nF ñ10% Murata ‘...
  • Page 33 Product:TGP71EU & TGP73EU / OC2300 08.02.2002 CODE PART DESCRIPT. VALUE MANUF. TYPE CG0104 C249 SMD capasitor 100nF/10% 6,3V X5R CM05X5R104K06AH CH0105 C250 SMD capasitor 1uF/-20/+80%/16V TaiyoYuden EMK212 F105Z00T CG0101 C251 SMD capasitor X7R 100pF ñ5% Murata CG0102 C252 SMD capasitor X7R 1nF ñ10% Murata CG0101...
  • Page 34 Product:TGP71EU & TGP73EU / OC2300 08.02.2002 CODE PART DESCRIPT. VALUE MANUF. TYPE CG0339 C346 SMD capasitor NPO 3.3pF ñ0,25pF Murata CG0339 C347 SMD capasitor NPO 3.3pF ñ0,25pF Murata CG0151 C348 SMD capasitor X7R 150pF ñ5% Murata CG0103 C351 SMD capasitor X7R 10nF ñ10% Murata ‘...
  • Page 35 Product:TGP71EU & TGP73EU / OC2300 08.02.2002 CODE PART DESCRIPT. VALUE MANUF. TYPE CU1107 C431 SMD tantal 100uF/10V -+20% TAJD107M010R CG0680 C432 SMD capasitor NPO 68pF ñ5% Murata CG0103 C433 SMD capasitor X7R 10nF ñ10% Murata ‘ CG0680 C434 SMD capasitor NPO 68pF ñ5% Murata CG0103...
  • Page 36 Product:TGP71EU & TGP73EU / OC2300 08.02.2002 CODE PART DESCRIPT. VALUE MANUF. TYPE QS1847 Q201 piensignaali yleistransi NPN 100mA/45V hfe=200...450 Philips BC847BW QS1847 Q210 piensignaali yleistransi NPN 100mA/45V hfe=200...450 Philips BC847BW QS0060 Q220 SMD transistor arrey NPN/PNP 100mA/50V Siemens BCR 10PN QS1847 Q241 piensignaali yleistransi...
  • Page 37 Product:TGP71EU & TGP73EU / OC2300 08.02.2002 CODE PART DESCRIPT. VALUE MANUF. TYPE RG0220 R242 SMD resistor 22R 5% 0.063W Kamaya RMC1/16S RG0222 R243 SMD resistor 2k2 5% 0.063W Kamaya RMC1/16S RG0104 R244 SMD resistor 100k 5% 0.063W Kamaya RMC1/16S RG0222 R245 SMD resistor 2k2 5% 0.063W...
  • Page 38 Product:TGP71EU & TGP73EU / OC2300 08.02.2002 CODE PART DESCRIPT. VALUE MANUF. TYPE RG0100 R334 SMD resistor 10 R 5% 0.063W Kamaya RMC1/16S RG0100 R335 SMD resistor 10 R 5% 0.063W Kamaya RMC1/16S RG0270 R336 SMD resistor 27R 5% 0.063W Kamaya RMC1/16S RG0222 R337...
  • Page 39 Product:TGP71EU & TGP73EU / OC2300 08.02.2002 CODE PART DESCRIPT. VALUE MANUF. TYPE XW0225 X303 SAW filter, GSM 225MHz Murata MKFC225.000MBA XO0490 X304 Dual Rx-VCO for GSM Panasonic ENFVZ4G90 XO0473 X401 Dual Tx-VCO for GSM Panasonic ENFVZ4G73 XI1519 X402 Direktional coupler Dual coupler Murata LDC15D190A0007AH...
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  • Page 49: Keyboard

    Product:TGP71EU & TGP73EU / OK2300 08.02.2002 5.3 Keyboard OK2300 5.3.1 Parts list OK2300 CODE PART DESCRIPT. VALUE MANUF. TYPE AM1846 Electret condenser mocro phone with rubber holder+zeb OBG18S46-C33 AE0023 Dynamic transducer 13,3x2,6 low Z Philips WD00518/32U AE0024 Buzzer 10x10x3mm 1,5V/70mA Citizen CHB-03E AB0621...
  • Page 50 Product:TGP71EU & TGP73EU / OK2300 08.02.2002 4k2300gb.fm...
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  • Page 53: Mechanics

    Product:TGP71EU & TGP73EU / 12.12.2000 MECHANICS 7gp_71gb.fm...

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