1. INTRODUCTION 1. INTRODUCTION 1.1 Unit SPECIFICATION 7330 Sep/ M, 2006 Solution 6226M Type Bar type Antenna Type Internal( tri-Band) Main Display 1,8" 128x160 GPRS Yes, Class 10 Yes, 1.1 Camera Change to 1.3 M Battery 800 mAh Audio player--real resuming FM Receiver MPEG4/H.263 H.264...
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1. INTRODUCTION Video recording Memory Size 128Mb flash + 32Mb Ram Internal NAND 64MB Memory Card MicroSD Bluetooth Yes, slave 1.1 IrMC Yes, 2.0 Java EMAIL Status LED with one color No, OMA 1.0 Dictionary MPEG4 caller ID Finger handwriting Touch Panel AB repeat Music Equalizer...
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1. INTRODUCTION 1.2 PERFORMANCE PRODUCT SPECIFICATION NAME SPECIFICATION EGSM900 Band TX: 890+n*0.2 MHz RX: 935+n*0.2 MHz (n= 0~124) TX: 890+(n-1024)*0.2 MHz RX: 935+(n-1024)*0.2 MHz (n= 975~1023) Frequency Band DCS1800 Band TX: 1710+(n-512)*0.2 MHz RX: 1805+(n-512)*0.2 MHz (n= 512~885) PCS1900 Band TX: 1850.2+(n-512)*0.2 MHz RX: 1930.2+(n-512)*0.2 MHz (n= 512~810) RMS <...
2. Software Download Procedure 2. Software Download Procedure Tools 1. Download cable 2. PC 3. Battery (3.8 V Li-ion Battery) How to user Leo download tool 2.1 Install Leo Download tool ➜ Choose I accept the terms in the license agreement ➜...
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2. Software Download Procedure 2.2 Connect Download cable with computer and mobile 2.3 Install SW ➜ Select COM port (Maybe it will show different COM because of we use different computer) - 14 -...
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2. Software Download Procedure ➜ Press Setting and then you will see Multiport Data folder. Change it to the folder which you store the SW. ➜ Select the. Pcs file and press open. After few seconds, you will see below screen. - 15 -...
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2. Software Download Procedure ➜ Press Yes ➜ After you see the pink cycle, long press power on key and then you will see below picture. - 16 -...
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2. Software Download Procedure ➜ After reach to 100%, SW downloads finish. 2.4 Check Software version 2.4.1 Install battery and power on phone. 2.4.2 Press 8 7 8 ( SIM card not installed ) or ✻ # 8 7 8 # ( SIM card installed ) to enter service mode. 2.4.3 Select 2.
3. Assembly and Disassembly 3. Assembly and Disassembly Tools * Torque screwdriver, no.6 set * Pair of tweezers * Guitar Pick 3.1 Disassembly i. Take off battery cover ii. Release 4 screws from B-Cover. - 18 -...
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3. Assembly and Disassembly iii. Use the Guitar Pick to take off B-Cover iv. Remove the Receiver and Key Pad from A-Cover - 19 -...
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3. Assembly and Disassembly v. Take off the Main Board from B-Cover vi. Take off the Vibrator, side key, BATT connect and from B-Cover - 20 -...
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3. Assembly and Disassembly vii. Take off the LCM from Main Board 1. Release the LCM connect from Main Board 2. Take off LCM from LCM place. 3.2 Assembly Please do the reverse steps of disassembly for assembly phone. - 21 -...
4. Troubleshooting 4. Troubleshooting Explanations The Go / No Go test has to be performed with a mounted phone. Service function in the software The service menu will be accessed with the following key combination. ✻ # 8 7 8 # (SIM card in side) or 8 7 8 (No SIM card in side) In the software of the phone there is a built in service functionality that allows you to test some of the functions of the phone.
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4. Troubleshooting Network Problems Make a general visual inspection for corrosion or oxidation from liquid damage. Check that the antenna connects is properly fitted and undamaged (Fig.1.1). Replace the antenna if necessary. Check that the antenna Flex Film (Fig 1.2) is not mechanical damaged, dirty or oxidized. Replace it if necessary.
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4. Troubleshooting Audio problems Receiver Turn on the phone. Go to service test menu; choose “11. Receiver” presses any key to check that the Receiver is working properly. Check Receiver and receiver cconnector (Fig 3.1) Fig.3.1 Microphone 1. Turn on the phone. Go to service test menu; choose “4. Echo Loop” (An audio loop is activated) check that the Microphone is working properly.
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4. Troubleshooting Display/Illumination problems Make a general visual inspection for corrosion or oxidation from liquid damage. Turn the phone on. Check the LCD and the illumination. The illumination is lightened when the phone starts and will continue for approximately 20 sec Turn the phone on.
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4. Troubleshooting Capacity/Charging Problems Make a general visual inspection for corrosion or oxidation from liquid damage. Charging Insert a working battery and connect a working charger to the phone. If the battery voltage is too low, you must charge the battery without turning on the phone (this will usually take less than 10 minutes) and when the battery voltage is high enough the phone will be able to turn on and show charging in the Display.
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4. Troubleshooting Key Function Problems Make a general visual inspection for corrosion or oxidation from liquid damage. Turn the phone on. Go to service test menu; choose “5.Keypad”. Press all the buttons. The pressed key will be shown in the Main display. Check that the mechanical response feels normal and that all the keys had been shown in the Main display.
4. Troubleshooting Other Problems Make a general visual inspection for corrosion or oxidation from liquid damage according to point. Turn on the phone. Go to service test menu; choose “15. RTC” press any key to check that the RTC is working properly. Check that the clock is working and that it does not start up with 00:00 when a battery is mounted.
4. Troubleshooting Power and Charger control From Mini USB Connector VBAT F400 F400 Fuse (1A 0603) Fuse (1A 0603) C0603 C0603 VCHG TP401 TP401 U400 U400 TP60MIL TP60MIL R401 R401 PMIC MT6305BN/C PMIC MT6305BN/C R400 R400 TP-1.5 TP-1.5 100K 100K QFN48P QFN48P D400...
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4. Troubleshooting Power on/off Problem Start Go to step 2 Re-Download SW Replace the U400 Check the voltage of the following pins at U400 Replace the U400 VCORE_C407=1.8V? VDD_C408=2. AVDD_C409=2.8V? VMEM_C411=2.7V? VBAT_C405= 3.8V? Change X100 Check the X100=32.768KHZ Change U603 Check the U603_C642=26MHZ Power will work properly - 30 -...
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4. Troubleshooting Charging Problem Start Change IO300 Check IO300 pin Change D308 or F400 Check D308 or F400 Change U400 Check the U400 Charging will work properly D308 F400 IO300 - 32 -...
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4. Troubleshooting Audio Problem [Louder SPK problem] Start Check LS203, E201 and SPK Change LS203, E201 or SPK Change B212, B213 Check B213, B212 Check R212, R217 Change R212, R217 Check U200_C238 Change U200 Louder SPK will work properly - 33 -...
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4. Troubleshooting Components in Metal Can Speaker Driver (Boomer) C239 N.C. (22p) Close to loud speaker! C0402 U206A Louder Speaker R213 CM1416 R0402 CM1416 LS203 DMS1608F-06-F2-G U200 P30-02B1-00 C237 100nF R212 SPK+ C243 SPK1P MP3_OUTR Vo2(+) C0402 R0402 N.C. (100pF) SPK- SPK1N C234 100nF...
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4. Troubleshooting Audio Problem [Receiver problem] Start Clean LS201 pad Check LS201 pad Change Receiver Check the Receiver Change U202 Check the U202 Receiver will work properly - 35 -...
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4. Troubleshooting Close to Receiver! U202A Receiver CSPEMI201A CSPEMI201A Receiver RECN0 Connector ReceiverN C229 LS201 N.C. (100pF) TP35MIL Fr om MT6226M ReceiverP C0402 SDRP0615FJ04-F6-G U202B CSPEMI201A CSPEMI201A RECP0 ESD210 ESD209 U202 LS 201 - 36 -...
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4. Troubleshooting Audio Problem [MIC problem] Start Clean LS201 pad and change MIC Check LS201 pad and MIC Check R220, R221, R202, R207, C202 Change R220, R221, R202, R207, C202 Check C208, C200 Change C208, C200 MIC will work properly R202, R207 R220, R221 MIC200...
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4. Troubleshooting Camera Problem Start Change or reassembly J201 and Camera Check J201 and Camera Change U403 or U404 Check C222, C221, C223 Check R222, R223, R224 Change U100 Camera will work properly U403 U404 Camera - 39 -...
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4. Troubleshooting VCTCXO (U603) Test point part Function Typical value Description U603, pin1 VCONTROL 1.38V Automatic frequency control voltage (AFC) U603, pin3 OSCOUT 26MHz Reference frequency output U603, pin4 2.8V Power supply - 45 -...
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4. Troubleshooting T/R Switch (U601) Test point part Function Typical value Description U601, pin1 D_RX DCS RX U601, pin2 2.8V PCS RX control signal U601, pin3 P_RX PCS RX U601, pin4 2.8V DCS, PCS TX control signal U601, pin5 D_TX DCS PCS TX U601, pin7 G_TX...
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4. Troubleshooting PA module (U600) Test point part Function Typical value Description U600, pin1 DPCS_IN DCS PCS RF input U600, pin2 2.8V Band select logic input U600, pin3 TXEN 2.8V TX enable logic input U600, pin4 VBAT 3.8V(3.4~4.2V) Battery supply connection U600, pin5 CEXT by pass...
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4. Troubleshooting Network Problem Start Change E600 and J601 Check E600 and J601 Check Tx / Rx signal Change U601 or U600 Change U603 Check U603=26MHZ? Network will work properly - 48 -...
4. Troubleshooting SIM Card Problem Start Change J500 Check J500 Change U400 Check C511 Change U100 Check the U100 SIM will work properly J500 - 50 -...
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4. Troubleshooting 2.8V I/O SIM card reset output SIMRST SIMRST SIM card clock output MT6226 SIMCLK SIMCLK To MT6305 SIM card supply power control SIMVCC SIMVCC SIM card supply power select GPIO32_SIMSEL SIMSEL/GPIO32 SIM card data input/output SIMDATA SIMDATA SIMDATA SIMIO SIMRST SIMRST...
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4. Troubleshooting Keypad Problem Start Clean the PCBA pad Check test mode Check Power on key Change U400 Check U100 Change U100 Keypad will work properly - 52 -...
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5. Circuit Diagrams Side Key Switch Sidekey KCOL2 KCOL3 T310 T310 ESD313 ESD313 T302 T302 ESD315 ESD315 SFI0402-050E100nP-LF SFI0402-050E100nP-LF Spark Gap Spark Gap SW310 SW310 SFI0402-050E100nP-LF SFI0402-050E100nP-LF Spark Gap Spark Gap SW320 SW320 C0402 C0402 Push Switch Push Switch C0402 C0402 Push Switch Push Switch...
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5. Circuit Diagrams Memory PIN NAMES A0 to A22 Address inputs for Pseudo SRAM & Nor Flash Memory DQ0 to DQ15 Data inputs / outputs for Pseudo SRAM & Nor Flash Memory I/O1 to I/O8 Data inputs / outputs for Nand E PROM , CE2ps Chip enable inputs for Pseudo SRAM...
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5. Circuit Diagrams Component place information Vibrator SIM Card MCP Memory TCXO GSM/GPRS Contact Connector TV579002xxGD 26MHz AWT6166 32.768KHz Transceiver MT6129 Camera Module and Socket Antenna Pogo Pin Mini USB Speaker Connector Grounding Spring Speaker Microphone Pogo Pin Contact Audio Micro SD Booster Baseband...
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7. EXPLODED VIEW & REPLACEMENT PART LIST 7.2 KG200 Service Parts LG Part Maker parts Location Part name Description Color number No(ARIMA) Chip Set GP_IC BASEBAND U100 BB processor EUSY0326801 PROCESSOR_MT6226MA/BC- 311009000002LJ L_TFBGA_296BALL_MTK GP_IC POWER MANAGEMENT U400 Power IC EUSY0325101...
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7. EXPLODED VIEW & REPLACEMENT PART LIST LG Part Maker parts Location Part name Description Color number No(ARIMA) GP_VARISTOR_5V_VPORT0402100MV05_0402 VARISTOR SEVY0008601 3080040000006A _10pF_INPAQ GP_ATTENUATORS_3dB_50ohm_0404_¡ ATTENUATOR SQGY0000301 33400003000006 0.3dB_YAGEO GP_ATTENUATORS_5dB_50ohm_0404_¡ ATTENUATOR SQGY0000401 33400005000006 0.3dB_YAGEO EME -SMT GP_CON MINI USB CONNECTOR_MNC40- IO300...
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7. EXPLODED VIEW & REPLACEMENT PART LIST LG Part Maker parts Location Part name Description Color number No(ARIMA) GP_VIBRATOR Bar VIBRATOR SJMY0008901 3200000000019H Type_Z4TH3B0140024_R2.5*12.5_JINLONG GP_REAR CABINET_BLACK_7330_PC_GABEUL REAR COVER MCJN0059101 Black 4020B7330000V7 PLASTIC GP_CAP_BLACK_7330_SILICON SCREW CAP MCCH0094101 Black 4060B7330000VD RUBBER_SCREW_MISUNG POLYTECH CO.
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7. EXPLODED VIEW & REPLACEMENT PART LIST LG Part Maker parts Location Part name Description Color number No(ARIMA) Accessory GP_BATTERY PACK_Li- BATTERY PACK SBPL0087501 ion_3.7V_800mAh_WITHOUT 306003100000A3 COVER_E3AR040802H12_WELLDONE GP_SWITCHING TRAVEL SWITCHING CHARGER_100~240V_5.2V_550mA_CE_GP- TRAVEL SGCT0004601 331000000000LY ACGN-22T-A22_Europe EN 50 CHARGER 075(ungrounded)_GEARWAY_SUNFONE GP_HDF_CHM201STS04042_32ohm_56dB_-...