The information contained in this manual and all rights in any design disclosed therein, are and remain the exclusive property of Panasonic Mobile Communications Co., Ltd. Other patents applying to material contained in this publication:...
They must not be incinerated, or disposed of as ordinary rubbish. 1.1. Purpose of the Manual This Service Manual contains the information and procedures required for installing, operating and servicing the Panasonic GSM Personal Cellular Mobile Telephone system operating on GSM Digital Cellular Networks.
2.2. Features The Panasonic Telephone Model EB-X300 is a high performance, small, light, handset for business and domestic use. The following features are provided: Dual Codec, which includes Full Rate and Enhanced Full Rate (EFR) Speech Codec.
3. OP E R A T ING INS T R UC T IONS 3.1. G eneral T his s ection provides a brief guide to the operation and facilities available on the telephone hands et. R efer to the Operating Ins tructions s upplied with the telephone for full operational information. 3.2.
3.3. Location of Controls Receiver Display Phone Jack & Charger Connection The Phone Jack can be used as data transmission port to perform download and test tasks. – 3-2 –...
3.4. Concept of Operation There is a close relationship between the Select keys, Navigation key and display. Main Display Left Hand Selection Area Right Hand Selection Soft Key Navigation Key Send / answer Key Power / End Key Navigation Key: moving up and down through the options in the display area. In idle mode, pressing to enter Own Menu. Own Menu is a shortcut to access your favourite menus.
3.5. Alpha Entry 3.5.1. Character Set / Key Assignments Alpha entry is used to enter alphanumeric characters in to the Phonebook, Short Message and Greeting Message areas. Alphabetic, small / capital letter mode : 12. 13. < > & ç ä...
3.5.2. Editing Alpha Entry Pressing will move the cursor up or down one line. Pressing will move the cursor left or right one character. When the cursor is moved over a character and another key pressed will insert the new character. Pressing will delete the character to the left of the character.
3.7. Incoming Call Line Identification (CLI) When a call is received the last eight digits of the CLI information is matched with the phonebook. Therefore an incoming call could be matched to the wrong phonebook entry. 3.8. Public Man Machine Interface (MMI) 3.8.1.
3.8.9. Call Divert Call Divert Type Service Code Divert all calls Divert all calls if busy Divert all calls if no reply Divert if not reachable Set Call Bar * * <SERVICE CODE> * <FORWARD TELEPHONE NUMBER> * (Except "No Reply") <TELECOMMUNICATION SERVICE>...
3.9. Troubleshooting The user is given the following information and advised to contact the dealer if the problems persist: Problem Cause Remedy Telephone will not switch on Ensure batteries are fully charged. Extremely short battery life The network in use and the Avoid areas of poor reception.
3.10. Important Error Messages The following table is a list of error messages that may occur during use of the telephone, with a description and suggested course of action: Error Message Explanation / Remedy Area not Allowed Roaming in the selected area is not allowed. Network not allowed Roaming with the selected network is not allowed.
3.12. Glossary of Terms Term Definition DTMF Dual Tone Multiple Frequency tones. The numeric keys 0 to 9, and * and # will generate different DTMF tones when pressed during conversation. These are used to access voice mail, paging and Home banking services. Global System for Mobile communications.
4. TECHNICAL SPECIFICATIONS 4.1. Tx Characteristics All data is applicable to E-GSM 900 and GSM 1800 except where stated. 4.1.1. Frequency Error ±0.1 ppm max., relative to base station frequency. 4.1.2. Modulation Phase Error RMS: Equal to or less than 5 ° Peak: Equal to or less than 20 °...
4.1.5. Spurious Emissions at Antenna Connector Limits (dBm) Frequency Filter Approx Frequency Range offset Bandwidth Video B/W E-GSM 900 GSM1800/1900 100 kHz to 50 MHz – 10 kHz 30 kHz –36 –36 50 MHz to 500 MHz – 100 kHz 300 kHz –36 –36...
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GSM 1800/1900 Full Rate Speech The reference sensitivity performance in terms of frame erasure, bit error, or residual bit error rates (whichever is appropriate) is specified in the following table, according to the propagation conditions. Channels Propagation Conditions Propagation Conditions Propagation Conditions Static Conditions TU high...
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Blocking: Small MS level in dBµVemf( ) Frequency E-GSM 900 GSM 1800 GSM 1900 FR ± 600 kHz to FR ± 800 kHz FR ± 800 kHz to FR ± 1.6 MHz FR ± 1.6 MHz to FR ± 3 MHz 915 MHz to FR - 3 MHz –...
5. TECHNICAL DESCRIPTION 5.1. RF Overview 5.1.1. Introduction General Specifications The telephone is a Tri-Band product. The transmit and receive bands for the mobile are given in the table below: E-GSM 900 880 MHz - 915 MHz 925 MHz - 960 MHz GSM 1800 1,710 MHz - 1,785 MHz 1,805 MHz - 1,880 MHz...
RF LO always requires external frequency sources with VCTCXO. The LO is frequency is adjusted periodically to synchronise with the network cell frequency. Antenna EB-X300 uses a Helical-type monopole antenna which is optimised for operation on GSM, DCS and PCS bands. – 5-3 –...
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Transceiver - - Transmitter Antenna TX IN I/Q PA gain Base-band section controller VAPC 3-wire bus Band Select PAVAPC TXVCO TX IN 1800/1900 UHF synthesiser UHF synthesiser Figure 5.3. Transmitter block diagram TX path is a translation loop architecture consisting of an IQ modulator, integrated high power VCO, offset mixer, programmable divider, PFD, charge pump, and power amplifier with its control circuit.
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Transceiver - - Receiver RX LO source from chip Antenna RF SAW FILTER RXIN RXIP Switch & Diplexer RXQN RXQP 1800 1900 DCOC Figure 5.4. Receiver block diagram The transceiver uses a direct conversion receiver which eliminates the requirement for Intermediate Frequency (IF) stages. The transceiver chip includes three LNAs for each band, a quadrature demodulator, baseband amplifier circuit with I/Q outputs and three stages of DC-offset correction.
GPIO2 PJ_FUNC_SEL Figure 5.5. Baseband Block Diagram The EB-X300 Baseband is built around a GSM chipset developed by Advanced Device. GSM processor U101 carries out signal processing with DSP and CPU while U201 provides the analogue interface. – 5-6 –...
5.2.2. Digital Baseband Processor GSM Processor U101 Package 204-Ball CSPBGA Feature Complete single chip GSM Programmable Digital Baseband Processor divided into three main subsystems: 1. Control processor subsystem including 32-Bit MCU ARM7TDMI control processor 58.5 MHz operation at 1.8 V 1MB on-chip System SRAM Memory 2.
5.2.3. Keypad The Keypad has a 4 x 5 matrix, allowing 18 keys to be scanned. When a key being pressed, a keypad interrupt is generated. To find which key has been pressed, the software scans each column in turn and reads which row is active. Because of key bounce, the key press is confirmed twice at approximately 40-60 ms intervals.
5.2.5. CPU Memory To reduce component space, the phone uses a BGA package with Dual operation Flash memory and SRAM MCP. The following memory configuration is used: 128Mbits Flash memory organised as 8M * 16 bits 32Mbits Pseudo RAM organised as 2M * 16 bits 5.2.6.
5.3. Audio System VINNOR P/N AIN1P/1N VOUTNOR P/N Receiver AOUT1P/1N TX/RX U201 A,B,C Serial Port U101 VINAUX P/N Phone Analogue AIN2P/2N Voice Jack Switch VOUTAUX P Data AOUT3P PJ_FUNC_SEL LOUD Speaker AOUT3N Figure 5.9. Audio system block diagram The U201 is a complete mixed-signal baseband processor that combines all of the data converters and power supply regulators required for a GSM 900 /GSM 850 /DCS 1800 / PCS 1900 mobile on a single device, including HSCSD and GPRS.
LEDs Light Controllers Crystal & Varactor GMSK Filter Filter Tone Filter Headphones or Headset Filter Battery 8 Voltage Regulators Charger VCORE: 1.8 V, 80 mA VABB VMEM: 1.8 V or 2.8 V, 150 mA VMIC: 2.5 V, 1 mA VEXT: 2.8 V, 170 mA VVCXO: 2.75 V, 10 mA VSIM: 1.8 V or 2.85 V, 20 mA VRTC: 1.8 V, 200 µA...
5.3.3. Receiver The GSM Standard requires that the receiver audio frequency response must fit within the mask shown below. (dB) 1,000 10,000 Frequency (Hz) Figure 5.12. Handheld GSM Receive Audio Frequency Response The phone is designed to meet requirements with a Type 3.2 artificial ear. Volume Level Volume Total Gain...
5.4. Power Management Subsystem Memory VMEM Power detection VBAT and latching NReset Battery VCORE U201 VEXT 13 MHz VMEM VRTC Circuit Charging Circuit SIMVCC Circuit U101 VCORE VMEM Figure 5.13. Power management Subsystem Block Diagram 5.4.1. Power Source The battery comprises a single Lithium-Ion (Li-Ion) cell with a nominal voltage of 3.7 V and 780 mAh capacity. This type of battery has an advantage in weight and size over Nickel Metal Hydride (NiMH) cells.
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Memory LDO (VMEM) The memory LDO supplies the system memory as well as the subsystems of the baseband processor including memory IO, display, and melody interfaces. It is capable of delivering up to 150 mA of current and is available for either 1.8 V or 3 V based systems.
5.5. Battery Charging and Monitoring 5.5.1. Charging Current The status of the LCD battery icon is determined by the value of ADC returned from U201, as indicated in the table: Battery Pack Li-lon 3 bar 3.65 V < < 3.95 V 2 bar 3.54 V <...
6. DISASSEMBLY / REASSEMBLY INSTRUCTIONS 6.1. General This section provides disassembly and reassembly procedures for the main components of the telephone. These assemblies MUST be performed by qualified service personnel at an authorised service centre. The following Warnings and Cautions MUST be observed during all disassembly / reassembly operations: WARNING The equipment described in this manual contains polarised capacitors utilising liquid electrolyte.
6.2. Disassembly 1. Remove the BATTERY COVER and BATTERY. 2. Unscrew the three screws on BASE CASE. 3. Gently dismount RECEIVER COVER from TOP CASE. – 6-2 –...
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4. Unscrew the two screws located on TOP CASE 5. Open the LCD panel and then unscrew the five screws. 6. Remove the LCD rear case. Open the LCD connector cover and then disconnect the LCD cable. – 6-3 –...
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7. Carefully prize apart the TOP CASE and MIDFRAME creating a gap near the DC Jack. Insert the separation tool into gap, and gently slide the tool in the directions shown, ensuring that the case hooks separate along each edge. Top case Midframe 8.
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9. Spread the Base case and Midframe and then remove them. TAKE GREAT CARE NOT TO DAMAGE THE CMOS CABLE WHEN SEPARATING THE BASE CASE AND MIDFRAME. Base case Midframe 10. Take out COMS module from MIDFRAME. – 6-5 –...
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11. Lift PCBA by loosening the hook in the right-upper side. 12. Loosen two hooks on the backside of MIDFRAME to take out PCBA completely. 13. Take out MIC from MIDFRAME. – 6-6 –...
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14. Take out KEYPAD SHIELD. 15. Take out CABLE KEYPAD ASSY. 16. Take out VIBRATOR. – 6-7 –...
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17. Take out the SPEAKER from BASE CASE. 18. Take out the BASE CASE SPRING. 19. Dismount ANTENNA COVER carefully. – 6-8 –...
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20. Dismount ANTENNA COVER carefully. 21. The ANTENNA TAPE can be replaced. 22. Remove two LCD MYLARS. – 6-9 –...
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23.Lift LCD form the opposite side 24.Bend TOP CASE carefully to pull out the LCD HINGE then takes out LCD CASE. 25.Take out LCD STOPPER. Note: Because of the strong adherence between LCD LENS and LCD BASE and dust concer, we recommend you replace the LCD LENS BASE SP ASSY instead of individual part if needed.
6.3. Reassembly 1. Insert HINGE into LCD LENS BASE ASSY. 2. Hook LCD HINGE SPRING to the TOP CASE 3. Adjust the HINGE direction to insert into TOP CASE. – 6-11 –...
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4. Bend the TOP CASE slightly to put HINGE STOPPER. 5. Re-bend the TOP CASE carefully to normal condition. 6. Place LCD and insert LCD CABLE from the gap and connect to LCD – 6-12 –...
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7. Insert two LCD MYLARS. 8. Assemble LCD REAR CASE and tighten four SCREWS. SCREW 1.6*3.5 X4 9. Stick ANTENNA TAPE on ANTENNA COVER. – 6-13 –...
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10. Assemble ANTENNA COVER to BASE CASE. 11. Stick ANTENNA TAPE on BASE CASE and position well. 12. Assemble SPEAKER and BASE SPRING. – 6-14 –...
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13. Combine COMS with CMOS BASE ASSY. 14. Cover CMOS SHIELD. 15. Close the COMOS door and fix COMS ASSY in the BASE CASE. – 6-15 –...
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16. Assemble VIBRATOR to MIDFRAME. 17. Stick CABLE KEYPAD ASSY including both sides. 18. Position the cable connector in the two fixed points in the back of MIDFRAME. – 6-16 –...
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19. Hook KEYPAD SHIELD and position the branches properly. 20. Stick the KEYPAD COPPER along the back edge. 21. Stick the KEYPAD COPPER on the front KEYPAD SHIELD. – 6-17 –...
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22. Stick KEYPAD SPONGE, fix the KEYPAD CABLE and assemble MIC. 23. Put RECEIVER RUBBER and Insert PCBA to the MIDFRAME. 24. Make PCBA hooked in MIDFRAME well. – 6-18 –...
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25. Insert CMOS CABLE from the gap and assemble PCBA with BASE CASE. Then connect CMOS to PCBA. 26. Assemble TOP CASE and MIDFRAME. 27. Tighten one screw. (Torque 0.5 ± 0.05 Kgf/cm) SCREW 1.6*3.5 X1 – 6-19 –...
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28. Tighten two screws on the top. (Torque:0.5 ± 0.05 Kgf/cm) SCREW 1.6*5.2 X2 29. Fix the RECEIVER COVER on TOP CASE. 30. Tighten three screws on the BASE CASE and insert CARKIT RUBBER. SCREW 1.6*3.5 X1 SCREW 1.6*5.2 X2 –...
7. REPAIR PROCEDURES 7.1. Introduction This section provides information on testing the telephone. The layout is as follows: Section 7.2. : Lead Free (PbF) solder: Identification and repair of PCBs using PbF solder. Section 7.3. : External testing: describes equipment requirements and general set up procedure. Section 7.4.
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Download Cable (Part No. DD0VE2TH004) The Download Cable is used for software download and TX Power / RX RSSI calibration with dummy battery. Figure 7.1. : Download Cable RF Cable (Part No. 3WZ001103AAA) The RF cable provides the necessary connections between the PCB Repair Jig / RF Adapter and external test equipment. Figure 7.2.
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Dummy Battery (Part No. 3WZ001126AAA) The dummy battery provides the interface to supply power via power cable. It has been contoured to allow the RF Cable to be connected to the handset RF test socket at the same time. Figure 7.4. : Dummy Battery PCB Repair Jig (3WZ001129AAA ) The PCB Repair Jig provides the necessary connections between the PCB Assembly and external test equipment.
8. EB-X300 Service software The EB-X300 Service software should be installed onto the main drive of the personal computer. The RF cable is connected to the GSM test station via a suitable adaptor. The 3.8 V supply is connected to the RF Adaptor and PCB Repair Jig using the power cable.
. SOFTWARE DOWNLOAD & ADJUSTMENT PROCEDURE 8.1. Service Software Upgrade Equipment setting for single downloading: Handset RS232 Download Cable 1. Connect the handset to the test equipment. Run 'PAC_DLTool_v4.5'. 2. Chek that the handset is switched off. Ensure that the correct target file (*.mbf) is available and ready to use. –...
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The program will detect how many ports are available on the PC. Select download function. Click on the wheel icon and select the target file. Ensure the EB-X300 checkbox is checked. Check the following boxes as required: Keep FFS: Keep user data if no structure modification.
8.2. MMI Test When the handset is in Idle screen, the following functions can be checked by pressing *#369#. CAUTION Note that the items 4, 5 and 7 are for manufacturing purpose only. Changing their values may result in malfunction of the handset.
8.3. Adjustment Procedure 8.3.1. Equipment Setting for TX/RX adjustment Notes: 1. It is recommended that each band (GSM 900, DCS 1800 and PCS 1900) is tested in turn. 2. Ensure the RF Cable is connected properly. GSM Tester Power Supply 3.8 V Download Cable RF Cable...
8.3.3. Test Operation Procedure Execute the main program "PAC CalTool V4.4.exe" PAC Tool V4.4 8.3.4. Enter Test 1. Select the relevant PORT and MODEL. 2. Click [ENTER TEST MODE]. 3. If successful, a dialogue box will pop up within 3 seconds. Click on [OK] to continue. X300 –...
8.3.5. TX Test Power Control Level GSM 900 Power Transmitter Tolerances Control Level Output Power Normal Extreme 19-31 PCS 1900 DCS 1800 Power Transmitter Power Transmitter Tolerances Tolerances Control Level Output Power Control Level Output Power Normal Extreme Normal Extreme 22-29 Reserved Reserved...
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There are two parts in this test item. (1) TX Power Scaling Factor Select Band. Click [READ]. Select middle channel (37 for GSM etc.), Select power level (5 for GSM, 0 for DCS+PCS). Configure test set for TX power. Click [APPLY] for AFRCN. Click [APPLY] for scaling factor.
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(2) TX Freq Compensation Select "BANDMODE", EGSM_DCS for 900/1800, EGSM_PCS for 1900. Enter the first ARFCN listed in CH column -> click [APPLY] and set tester in the same channel. Enter the estimate value in SCALING FACTOR -> click [APPLY] and read the TX output power value on the tester. Repeat until the TX power is within the allowed range.
8.3.6. RX Test There two parts in this test item. (1) RX Power Scaling Factor Set tester as (a) Test Function: CW (b) RF Gen Power : -60 dBm (c) MS TX Level : 5. 1. Select Band. Click [READ]. 2.
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(2) RX Freq Compensation Set tester as (a) Test Function : CW (b) RF Gen Power: -60dBm (c) MS TX Level : 5. 1. Select Band : GSM. 2. Select ARFCN. 3. Set test set for ARFCN. 4. Click [SEND]. 5.
8.3.7. Battery Equipment setting for battery adjustment. The Analogue Baseband Processor (U201) adjusts the ADC automatically, therefore, no external adjustment is required. The ADC value can be read, as described below, as an indication of the status of U201. Power Supply 3.8 V Download Cable Dummy Battery...
9. REPLACEMENT PARTS LIST 9.1. Exploded View [AB] LCD TOP CASE SP ASSY [A] LCD LENS BASE SP ASSY [C] BASE CASE ASSY [B] TOP CASE ASSY SH-K SH-R SH-S – 9-1 –...
9.2. Case and Cover Parts List Ref. No. Part No. Description Ref. No. Part No. Description 1MIZZZZ08X4 LCD TOP CASE SP ASSY (Silver) EBRA1011011 ANT COVER 1MIZZZZ08Y2 LCD TOP CASE SP ASSY (Gold) DQ663183508 ANTENNA 1MIZZZZ08Z1 LCD TOP CASE SP ASSY (Red) FDRA1003011 BASE CASE SPRING 1MIZZZZ08L6...
9.3. Main PCB Assembly Cct Ref Part No. Part Name & Description Grid Cct Ref Part No. Part Name & Description Grid DFHD01MS03 CONN SMD SPRING HD 2P 1R MS(P1.8, H8.5) C322 CH5474KEA06 CERAMIC CAPACITOR 4.7UF 25V BAT101 CC9700KTZ08 ELECTROLYTIC CAPACITOR 0.07F 3.3V C330 CH01806JB07...
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Cct Ref Part No. Part Name & Description Grid Cct Ref Part No. Part Name & Description Grid C530 CH01006JB08 CERAMIC CAPACITOR 10PF 50V C1296 CH21006JB10 CERAMIC CAPACITOR 1000PF 50V C531 CH21506KB14 CERAMIC CAPACITOR 1500PF 50V C1297 CH41002KB93 CERAMIC CAPACITOR 0.1UF 10V C620 CH41002KB93...
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Cct Ref Part No. Part Name & Description Grid Cct Ref Part No. Part Name & Description Grid R310 CS+3004FA04 FIXED RESISTOR 0.3Ω 1/8W R1226 CS22002FB01 FIXED RESISTOR 2K 1/16W R311 CS31002FB00 FIXED RESISTOR 10K 1/16W R1232 CS41002FB01 FIXED RESISTOR 100K 1/16W R320 CS21002JB00...
10. BLOCK DIAGRAM 10.1. Baseband VBAT 26MHz_BB BBCLK Keypad Data Bus Buffer Keyboard Vibrator VVCXO CLKIN GPIO4 RF Control Bus USC Data Bus TX/RX Handfree Input R.F. Block GPIO34 HANDFREEIN U201 A,B,C Serial Port GSM Analogue Address Bus TXIQ Baseband and U102 Codec &...