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VK Corporation VK2010, Руководство по обслуживанию


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VK Quality Group GSM C/S

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Overall Structure

Overall Structure

Содержание VK2010

Страница 1: ...VK Quality Group GSM C S GSM GSM SERVICE MANUAL SERVICE MANUAL VK2010 VK2010 ...

Страница 2: ...ck twisted pair wire could reduce the measurement error as the wire contains less RF resistance When disassembling the phone set you must use a driver tool meeting standard requirements When making repairs with power on after connecting the test package note that dangers such as overcurrent parts deterioration caused by short circuit may occur Note that PCB land may be detached due to overheating ...

Страница 3: ...able of Contents Chapter 1 Overview Features Chapter 2 Appearance Configuration Chapter 3 Assembling Disassembling Methods Chapter 4 Block Diagram Chapter 5 Schematic Chapter 6 PCB Diagram Chapter 7 Trouble Shooting Appendix Electrical Part List ...

Страница 4: ...VK Quality Group GSM C S CHAPTER 1 CHAPTER 1 OVERVIEW FEATURES OVERVIEW FEATURES 1 1 Overview Overview 2 2 Features Features 3 3 Standard Standard ...

Страница 5: ...arts of the features are fully supported and parts of the GSM Phase II GSM Phase II features are also supported features are also supported About the SIM Toolkit VK 2010 Mobile Phone supports up to Class About the SIM Toolkit VK 2010 Mobile Phone supports up to Class 3 3 including Class 1 2 For speech communication VK 2010 Mobile P including Class 1 2 For speech communication VK 2010 Mobile Phone ...

Страница 6: ... 10 4 2 Speech Codec FR HR EFR AMR Main display 160x128 1 5 262K OLED Sub display No Image sensor No Resolution No Digital Zoom No Optical Zoom No Motion JPEG No Camcoder supporting No Flashlight No MPEG4 N A H 263 N A H 264 N A Video output N A Sound format MIDI sp MIDI MP3 AAC Ring tones Yes 64Poly MIDI MP3 MP3 playback Yes Voice support codec AMR TBD SMS EMS MMS Yes WAP 2 0 Java N A Video Audio...

Страница 7: ...l N A Nor SRAM 128Mb 64Mb NandMemory 512Mb External Memory No Standard 50x44x35 820mAh Extended N A RS232C Yes USB Yes IrDA No IrRC No Bluetooth Yes PC syncronization Yes Travel charger Adapter Yes Ear Microphone Yes Handstrap Yes Battery Charger Yes PC Sync No Option Data Service Memory Battery Connectivity ...

Страница 8: ...e Edit Subject MMS only Preview MMS only Exit Add Contact Edit Email MMS only Outbox unsent items sent items Send Edit Delete Delete All Copy to SIM Phone SMS only Move to SIM Phone SMS only Details MMS only Inbox Delete Delete All Reply Reply All MMS only Forward Callback Extract Details Copy to SIM PHONE SMS only Move to SIM PHONE SMS only Information Message Reception On Off Read Topics Edit De...

Страница 9: ...usic Camera Photo shot Sticker shot Video clip WAP Built in WAP 2 0 EMS Built in GPRS Built in Class 10 New Delete All Schedule List Morning Call Reminder Memo Edit and view 10 Memos Calculator Operator Addition Subtraction Multiplication Division Unit converter Length conversion Weight conversion Volumes conversion Surface conversion Temperature conversion World time Setting local time Number of ...

Страница 10: ...7 Terminal Amp IC TQ7M40220 8 Channel Separation 200KHz DCS 1804 9 1879 9MHz 9 RF1 Local Oscillation Frequency PCS 1929 9 1989 9MHz GSM850 896MHz 10 IF VCO Frequency PCS 854MHz 1 Rated Output GSM850 1272 1297 MHz E GSM 1279 1314 MHz DCS 1327 1402 MHz DCS 512 885 E GSM 975 1023 1 124 P GSM 1 124 GSM850 128 251 1G 4G 30dbm or below from the FTA standard 12 Spurious Frequency Multiplying 11 Multiplyi...

Страница 11: ...VK Quality Group GSM C S CHAPTER 2 CHAPTER 2 APPEARANCE CONFIGURATION APPEARANCE CONFIGURATION 1 1 Appearance Appearance 2 2 Icons Icons 3 3 LCD Panel LCD Panel ...

Страница 12: ...VK Quality Group GSM C S Appearance Appearance ...

Страница 13: ...VK Quality Group GSM C S Icons Icons ...

Страница 14: ...VK Quality Group GSM C S Icons Icons ...

Страница 15: ...VK Quality Group GSM C S LCD Panel LCD Panel ...

Страница 16: ...VK Quality Group GSM C S CHAPTER 3 CHAPTER 3 ASSEMBLING DISASSEMBLING ASSEMBLING DISASSEMBLING 1 1 Assembly Drawings Assembly Drawings 2 2 Disassembling Methods Disassembling Methods ...

Страница 17: ...VK Quality Group GSM C S 1 Assembly Drawings 1 Assembly Drawings 1 Exploded View Parts List ...

Страница 18: ...st Exploded View Parts List NO DESCRIPTION Q TY 1 Window LCD 1 2 CASE FRONT 1 3 KEYPAD ASS Y 1 4 DOME SHEET 1 5 KEY PBA 1 6 C MIC 1 7 COVER EARJACK 1 8 CASE REAR 1 9 INNERPACK ASS Y 1 10 Cover BATTERY 1 11 BLACK LCD 1 12 LCD MODULE 1 13 M1 4 SCREW 6 ...

Страница 19: ...C S 2 Disassembling Methods 2 Disassembling Methods 1 1 Tools Tools 2 2 Rear Case Disassembling Rear Case Disassembling 3 3 Main PCB Disassembling Main PCB Disassembling 4 LCD Module Disassembling 4 LCD Module Disassembling ...

Страница 20: ...ling tools are as below 1 Star shaped Screw Driver 2 Hinge Remover 3 Tweezers 4 Cross tip Screw Driver 1 2 3 4 In disassembling the VK Mobile Phone set you must use tools meeting standard specifications do not exert excessive force Otherwise the phone set may be damaged ...

Страница 21: ...VK Quality Group GSM C S Rear Case Rear Case Disassembling Disassembling ...

Страница 22: ...VK Quality Group GSM C S Rear Case Rear Case Unscrew four screws on the back of the phone Turn the screws anticlockwise using cross shaped screwdriver Widen a space to make a gap ...

Страница 23: ...VK Quality Group GSM C S Main PCB Main PCB Disassembling Disassembling ...

Страница 24: ...VK Quality Group GSM C S Main PCB Main PCB 1 2 3 1 Take off Inter Antenna 2 Take off FPCB From connector 3 Slightly remove Main PBA from Board ...

Страница 25: ...VK Quality Group GSM C S LCD Module LCD Module Disassembling Disassembling ...

Страница 26: ...VK Quality Group GSM C S LCD Module Disassembling LCD Module Disassembling 1 Unhook Part of PBA 2 Separate LCD from Connector ...

Страница 27: ...VK Quality Group GSM C S LCD Module Disassembling LCD Module Disassembling 1 Open the LCD Connector with Pin set 2 Pull out LCD from Connector slightly ...

Страница 28: ...VK Quality Group GSM C S CHAPTER 4 CHAPTER 4 BLOCK DIAGRAM BLOCK DIAGRAM 1 1 RF Block Diagram RF Block Diagram 2 2 BASEBAND Block Diagram BASEBAND Block Diagram ...

Страница 29: ...VK Quality Group GSM C S RF Block Diagram RF Block Diagram ...

Страница 30: ...VK Quality Group GSM C S BASEBAND Block Diagram BASEBAND Block Diagram ...

Страница 31: ...k 3 3 MCP Main Block MCP Main Block 4 4 Nand Nand Block Block 5 5 Peripheral Key Block Peripheral Key Block 6 6 Power Management Block Power Management Block 7 7 RF Block RF Block 8 8 Audio Video Block Audio Video Block 9 9 Folder Block Folder Block 10 10 Battery Charging Block SCHEMATIC Battery Charging Block ...

Страница 32: ...VK Quality Group GSM C S Overall Structure Overall Structure ...

Страница 33: ...VK Quality Group GSM C S Base Band Block Base Band Block ...

Страница 34: ...VK Quality Group GSM C S MCP Main MCP Main ...

Страница 35: ...VK Quality Group GSM C S Nand Nand Block Block ...

Страница 36: ...VK Quality Group GSM C S Peripheral key Block Peripheral key Block ...

Страница 37: ...VK Quality Group GSM C S Power Management Black Power Management Black ...

Страница 38: ...VK Quality Group GSM C S RF Block RF Block ...

Страница 39: ...VK Quality Group GSM C S Audio Video Block Audio Video Block ...

Страница 40: ...VK Quality Group GSM C S Bluetooth Block Bluetooth Block ...

Страница 41: ...VK Quality Group GSM C S Battery Charger Block Battery Charger Block ...

Страница 42: ...VK Quality Group GSM C S CHAPTER 6 CHAPTER 6 PCB DIAGRAM PCB DIAGRAM 1 1 Main PCB Main PCB 2 2 Module Area Module Area 3 3 RF RF Area Area 4 4 Baseband Baseband Area Area ...

Страница 43: ...VK Quality Group GSM C S Main PCB Main PCB Top Top Bottom Bottom ...

Страница 44: ...VK Quality Group GSM C S Module Area Module Area ...

Страница 45: ...VK Quality Group GSM C S RF Area RF Area ...

Страница 46: ...VK Quality Group GSM C S BASEBAND Area BASEBAND Area ...

Страница 47: ... 3 LCD Trouble LCD Trouble 4 4 Charging Trouble Charging Trouble 5 5 Backlight Trouble Backlight Trouble 6 6 SIM Detection Trouble SIM Detection Trouble 7 7 Ear Ear Phone Trouble Phone Trouble 8 8 Key Detection Trouble Key Detection Trouble 9 9 TX Power Trouble E TX Power Trouble E GSM GSM 10 10 RX Sensitivity Trouble E RX Sensitivity Trouble E GSM GSM ...

Страница 48: ...VK Quality Group GSM C S Power Power On Trouble On Trouble ...

Страница 49: ...ality Group GSM C S Melody Trouble Melody Trouble Start WireConnectionwith SPKisalright Re solderingof SPKwire Checkthemelody signal isoutput from L704 L705 CheckmelodyIC Replacethe Speaker END NO Yes Yes NO ...

Страница 50: ...t L C DC a b leW e ll slo d e r R e so ld e rin g R e p la ceL C M E N D Y e s Y e s N O M a inD 2 V 8 O K C h e ckP M IC L C Mco n tro l D a ta sig n a lO K C h e ckW H A T 3 N O Y e s Y e s Y e s T e stM o d e R e p la ceU 7 0 1 N O U 7 0 1A llrig h t N O ...

Страница 51: ...A D TC voltageto5 2V 400m A Y es Y es C hargingisnot w orking W henC H G _IN5V thenU 5033pins arehigh W henU 5033pins arehighthenU 503 pin5ishigh Y es R e dow nloadS W R eplaceu503 C heckQ 501 U 502 J401connectoris w ellsolderedonthe P C B R eassem ble batterypack C heckbatterypack C heckTA C LA andD TC R em ountJ401 C ase1 C ase2 N O N O N O N O N O N O Y es Y es ...

Страница 52: ...place Keypad LCM LCDModule Conn Connecter YES KeyBL KEY_BL_EN HIGH J703Good Soldering ResolderingJ703 NO Check U201 NO ReplaceLCM NO LCDBL LCD_EN High Check U703 LCD FPCB GoodSoldering YES YES YES Resolder LCD FPCB Check V250G NO ReplaceU703 NO Check U502 Key_BL Low YES YES ...

Страница 53: ...VK Quality Group GSM C S SIM Detection Trouble SIM Detection Trouble ...

Страница 54: ... GSM C S Ear Ear Phone Phone Trouble Trouble H eadsetD etect possible H S _D E Talright O utputfromR 423 R 424isgood C heckH eadsetand V250G N O C heckV 250G U 702 N O Y ES Y ES C heckH eadsetand Earphone EN D S TAR T ...

Страница 55: ... S KEY Detection KEY Detection Trouble Trouble S T A R T E N D C heck U 201 N O K E Y D etect trouble C heck key pad B utten J703 insert to B L K eypad socket Y E S Y E S Insert J703 to B L K eypad socket K ey pad change N O ...

Страница 56: ...8 11 12 13 DC 2 8V 5 Replace U603 if defective NO YES YES YES NO NO Set Phone Test mode 62CH 7level setting TCH 62CH 60dBm setting BCCH Spectrum analyzer as shown in Remarks Oscilloscope as shown in Remarks Remarks 1 Spectrum analyzer SPAN 1MHz RBW 3MHz VBW 1MHz Press the trace key of spectrum analyzer on checking test point and press the max hold key of spectrum analyzer 2 Oscilloscope 500mV div ...

Страница 57: ...Power Frequency 902 4 MHz Power 26 32dBm Check U602 soldering U602 pin 4 VBATT DC voltage 3 3V U602 pin 3 TX_EN 1 8V High U602 pin 2 VC1 0 5V Low U602 pin 6 TX Power 0 2V Replace U602 if defective Check U604 soldering U604 pin 12 VC1 2 8V High U604 pin 13 VC2 0 4 Low Replace U604 if defective YES YES YES NO NO Check RF connector J601 soldering Matching network L610 C618 soldering END A ...

Страница 58: ...VK Quality Group GSM C S RX Sensitivity Trouble RX Sensitivity Trouble E E GSM GSM ...

Страница 59: ...VK Quality Group GSM C S RX Sensitivity Trouble E RX Sensitivity Trouble E GSM GSM ...

Страница 60: ...VK Quality Group GSM C S APPENDIX APPENDIX ELECTRICAL PARTS LIST ELECTRICAL PARTS LIST Main Parts List Main Parts List ...

Страница 61: ...VK Quality Group GSM C S Main Parts List Main Parts List ...

Страница 62: ...VK Quality Group GSM C S Main Parts List Main Parts List ...

Страница 63: ...VK Quality Group GSM C S ...

Страница 64: ...VK Quality Group GSM C S Main Parts List Main Parts List ...

Страница 65: ...VK Quality Group GSM C S Main Parts List Main Parts List ...

Страница 66: ...VK Quality Group GSM C S THANK YOU ...

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