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Summary of Contents for FLY VK3100
- Page 1 SERVICE MANUAL SERVICE MANUAL VK3100 VK3100 VK Quality Group GSM C/S...
- Page 2 ☞ ☞ Service Guidelines Service Guidelines • Precise adjustment should be made in a shield box or shield room where spurious noise has been eliminated. • When using magnetized tools, note that related magnetic elements may cause malfunctioning of critical parts (such as IC). •...
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Page 3: Table Of Contents
☞ ☞ Table of Contents Table 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 VK Quality Group GSM C/S... -
Page 4: Chapter 1. Overview & Features
CHAPTER 1. CHAPTER 1. OVERVIEW & FEATURES OVERVIEW & FEATURES Overview Overview Features Features Standard Standard VK Quality Group GSM C/S... - Page 5 ☞ ☞ Overview Overview VK 3100 Mobile Phone is a clamshell type MP3, 300 kpixel camera mobile phone VK 3100 Mobile Phone is a clamshell type MP3, 300 kpixel camera mobile phone with dual color LCD, operated in the GSM, Digital Cellular Mobil e Radio System and with dual color LCD, operated in the GSM, Digital Cellular Mobil e Radio System and...
- Page 6 ☞ ☞ Features (HW) Features (HW) Catagory Sub-Catagory Description Catagory Sub-Catagory Description Dimension 98 x 54 x 14.9 Battery Standard 46x30x48 (680mAh) Weight 82 g with standard battery Design Thickness : Max. 4.6mm (Initial fully charged Form Factor Clamshell cell) Antenna Intenna Width : Max.
- Page 7 ☞ ☞ Features (SW) Features (SW) FUNCTION DETAIL ITEM COMMENTS Last dialed number 40 entry Normal features Last received number 50 entry Last missed number 20 entry Call Call waiting Yes Network dependent Audio Earpiece volume 5 level Mute on & Mute off Phone book SIM/Phone Languages...
- Page 8 ☞ ☞ Features (SW) Features (SW) FUNCTION DETAIL ITEM COMMENTS GSM 850 / PCS 1900 Multi-band Support of multi-band & mode GSM 900 / DCS1800 Miscellaneous function Test facility Display software version Text input Language English Simplified Chinese Traditional Chinese Predictive word input Gallery Photo/Video/Image/Animation...
- Page 9 ☞ ☞ Standard Standard Receiver Transmitter 1) Channel Number: E-GSM = 975~1023, 1~124 1) Rated Output: GSM900 = 2W(Max) P-GSM = 1~124 GSM850 = 2W(Max) DCS = 1W(Max) GSM850 = 128 ~ 251 PCS = 1W(Max) DCS = 512~885 2) Frequency Range: GSM850 Tx = 824~849 Rx = 869~894MHz...
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Page 10: Chapter 2. Appearance & Configuration
CHAPTER 2. CHAPTER 2. APPEARANCE & CONFIGURATION APPEARANCE & CONFIGURATION Appearance Appearance Configuration Configuration LCD Panel LCD Panel VK Quality Group GSM C/S... - Page 11 ☞ ☞ Appearance Appearance VK Quality Group GSM C/S...
- Page 12 ☞ ☞ Icons Icons VK Quality Group GSM C/S...
- Page 13 ☞ ☞ Icons Icons VK Quality Group GSM C/S...
- Page 14 ☞ ☞ Icons Icons VK Quality Group GSM C/S...
- Page 15 ☞ ☞ LCD Panel LCD Panel VK Quality Group GSM C/S...
- Page 16 CHAPTER 3. CHAPTER 3. ASSEMBLING & DISASSEMBLING ASSEMBLING & DISASSEMBLING Assembly Drawings Assembly Drawings Disassembling Methods Disassembling Methods VK Quality Group GSM C/S...
- Page 17 1. Assembly Drawings 1. Assembly Drawings Exploded ’ View Exploded ’ View Mechanical Parts List Mechanical Parts List ’ View ’ View VK Quality Group GSM C/S...
- Page 18 ☞ ☞ Exploded View & Parts List Exploded View & Parts List DESCRIPTION Q’TY Deco Speaker Indicator Window Camera Deco Camera Folder Upper Cushion Window Sub LCD Module Cushion Window Main LCD Module Magnet Folder Lower Hinge Window Main Deco Ear Screw Rubber Screw Folder Rubber Stopper...
- Page 19 ☞ ☞ ’ View ’ View Folder Front ’ Folder Front ’ Folder Front Ass’y VK Quality Group GSM C/S...
- Page 20 ☞ ☞ ’ View ’ View Folder Lower ’ Folder Lower ’ Folder Lower Ass’y VK Quality Group GSM C/S...
- Page 21 ☞ ☞ ’ View ’ View Front Case ’ Front Case ’ Front Case Ass’y VK Quality Group GSM C/S...
- Page 22 ☞ ☞ ’ View ’ View Rear Case ’ Rear Case ’ Rear Case Ass’y VK Quality Group GSM C/S...
- Page 23 2. Disassembling Methods 2. Disassembling Methods Tools Tools Rear Case Disassembling Rear Case Disassembling Main PCB Disassembling Main PCB Disassembling Folder Disassembling Folder Disassembling Exploded view Exploded view VK Quality Group GSM C/S...
- Page 24 ☞ ☞ Tool Preparation Tool Preparation Disassembling tools are as below : Star-shaped(*) Screw Driver Hinge Remover Tweezers Cross-tip(+) Screw Driver 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. VK Quality Group GSM C/S...
- Page 25 Rear Case Disassembling Rear Case Disassembling VK Quality Group GSM C/S...
- Page 26 ☞ ☞ Screws Screws Unscrew four screws on the back of the phone. Turn the screws anticlockwise using cross-shaped screwdriver . Use a screwdriver meeting standard specifications to unscrew. VK Quality Group GSM C/S...
- Page 27 Main PCB Disassembling Main PCB Disassembling VK Quality Group GSM C/S...
- Page 28 ☞ ☞ Main PCB Disassembling Main PCB Disassembling 1. Take off Shielder protect tape with Pin set. 2. Unconnect Inter antenna cable. 3. Take off Intenna Exerting excessive force could damage the rear case. VK Quality Group GSM C/S...
- Page 29 ☞ ☞ Main PCB Disassembling Main PCB Disassembling 1. Cut FPCB Protect tape With cutting tool 2. Take off FPCB Protect tape. 3. Unconnect FPCB Cable from the connector. VK Quality Group GSM C/S...
- Page 30 ☞ ☞ Main PCB Disassembling Main PCB Disassembling 1. Take off intenna. 2. Take out EL Sheet. VK Quality Group GSM C/S...
- Page 31 Folder Disassembling Folder Disassembling VK Quality Group GSM C/S...
- Page 32 ☞ ☞ Folder Disassembling Folder Disassembling Grab the Folder with one hand, then separate folder with case slightly. Take off the rubber with pin set for folder removal. VK Quality Group GSM C/S...
- Page 33 ☞ ☞ Folder Disassembling Folder Disassembling Take off the Deco Push out hinge with hinge remover. VK Quality Group GSM C/S...
- Page 34 ☞ ☞ Folder Disassembling Folder Disassembling Widen a space to make a gap using thumb nail. Separate the folder upper slowly VK Quality Group GSM C/S...
- Page 35 ☞ ☞ Folder Disassembling Folder Disassembling Take off vibrator with Pin set. Unconnect FPCB from the connector. VK Quality Group GSM C/S...
- Page 36 ☞ ☞ Folder Disassembling Folder Disassembling Take out LCD Module with the other hand Take out Camera module with pin set. VK Quality Group GSM C/S...
- Page 37 ☞ ☞ Exploded View Front case ’ Exploded View Front case ’ Front Total ASS’Y Metal dome switch Case Battery Knob side switch Intenna VK Quality Group GSM C/S...
- Page 38 ☞ ☞ Exploded View Rear case ’ Exploded View Rear case ’ Rear case Intenna cable Camera module Speaker Speaker VK Quality Group GSM C/S...
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Page 39: Chapter 4. Block Diagram
CHAPTER 4. CHAPTER 4. BLOCK DIAGRAM BLOCK DIAGRAM RF Block Diagram RF Block Diagram BASEBAND Block Diagram BASEBAND Block Diagram VK Quality Group GSM C/S... - Page 40 ☞ ☞ RF Block Diagram RF Block Diagram VK Quality Group GSM C/S...
- Page 41 ☞ ☞ BASEBAND Block Diagram BASEBAND Block Diagram VK Quality Group GSM C/S...
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Page 42: Chapter 5. Schematic
Overall Overall CHAPTER 5. CHAPTER 5. Base Band Block Base Band Block MCP Main Block MCP Main Block SCHEMATIC SCHEMATIC NAND Block NAND Block Peripheral & Key Block Peripheral & Key Block Power Mgmt Block Power Mgmt Block RF Block RF Block Audio &... - Page 43 ☞ ☞ Overall Structure Overall Structure VK Quality Group GSM C/S...
- Page 44 ☞ ☞ Base Band Block Base Band Block VK Quality Group GSM C/S...
- Page 45 ☞ ☞ MCP Main MCP Main VK Quality Group GSM C/S...
- Page 46 ☞ ☞ NAND Block NAND Block VK Quality Group GSM C/S...
- Page 47 ☞ ☞ Peripheral Block Peripheral Block VK Quality Group GSM C/S...
- Page 48 ☞ ☞ Power Management Black Power Management Black VK Quality Group GSM C/S...
- Page 49 ☞ ☞ RF Block RF Block VK Quality Group GSM C/S...
- Page 50 ☞ ☞ Audio & Video Block Audio & Video Block VK Quality Group GSM C/S...
- Page 51 ☞ ☞ Bluetooth Block Bluetooth Block VK Quality Group GSM C/S...
- Page 52 ☞ ☞ Folder Block Folder Block VK Quality Group GSM C/S...
- Page 53 ☞ ☞ Keypad Block Keypad Block VK Quality Group GSM C/S...
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Page 54: Chapter 6. Pcb Diagram
CHAPTER 6. CHAPTER 6. PCB DIAGRAM PCB DIAGRAM Main PCB Main PCB RF Area RF Area BASEBAND Area BASEBAND Area VK Quality Group GSM C/S... - Page 55 ☞ ☞ Main PCB Main PCB Bottom Bottom VK Quality Group GSM C/S...
- Page 56 ☞ ☞ RF Area RF Area VK Quality Group GSM C/S...
- Page 57 ☞ ☞ BASEBAND Area BASEBAND Area VK Quality Group GSM C/S...
- Page 58 Power-On Trouble Melody Trouble CHAPTER 7. CHAPTER 7. LCD Trouble Charging Trouble TROUBLE SHOOTING TROUBLE SHOOTING Vibrator Trouble Backlight Trouble SIM Detection Trouble Ear-Microphone Trouble Power On Trouble Power On Trouble KEY Detection Trouble KEY Detection Trouble Buzzer Trouble Buzzer Trouble LCD Trouble LCD Trouble Charging Trouble...
- Page 59 ☞ ☞ Power On Trouble Power On Trouble START The level of battery Charge the battery/ Voltage is higher Check the battery. Than 3.4V When press power button then V_CORE Check PMIC or other power alright? CLK 13M, CLK 32K is Check WHAT2 alright? Check LCM or...
- Page 60 ☞ ☞ Melody Trouble Melody Trouble START Connection Reassemble with LCM is alright Check the melody Check Melody Signal is output from 25,26pin of U702 Replace to Con FPCB VK Quality Group GSM C/S...
- Page 61 ☞ ☞ LCD Trouble LCD Trouble LCM : Module CON : Connecter Test Reass emble Conn ected Resol derin Well Solder Folder Replac 2.8V(V1 alri e CON Replac Control e FPCB & DATA righ Signal Replac e U701 VK Quality Group GSM C/S...
- Page 62 ☞ ☞ Charging Trouble Charging Trouble Charging networkin When The battery pack Is well CHG_IN contact to the 5V then phone? Q501 3pin is HIGH?. Reasse Check mble U502 Battery pack The battery When Q501 Voltage is 3pin between Is High then 3.4V~4.2V? Q501 1,2,5,6pin is...
- Page 63 ☞ ☞ Vibrator Trouble Vibrator Trouble START Manner Mode Vibrator Well Reassemble Solder? Vibrator R430 High? Replace Check U502 Vibrator VK Quality Group GSM C/S...
- Page 64 ☞ ☞ Backlight Trouble Backlight Trouble START START KEY_EL LCD_BL FPCB Reassemble J701 Well Rework J701 Assemble FPCB Soldering? Main Check KEY_EL Check U201 LCD_BL J702 V250G LOW? 27pin HIGH? Check Replace Folder U9 Folder U9 EL_KEY_FPCB (1 pin) HIGH? Replace LCM VK Quality Group GSM C/S...
- Page 65 ☞ ☞ Flash Trouble Flash Trouble START START T-Flash Card Replace T-Flash Card T-Flash Con (J403) Well Resoldering J403 Solder? T-Flash Con Check 3.3V LDO 3.3V OK? U404 T-Flash Control Backend IC(U701) & DATA signal Rework or Replace Replace T-Flash VK Quality Group GSM C/S...
- Page 66 ☞ ☞ SIM Detection Trouble SIM Detection Trouble START SIM Card trouble Change SIM Card SIM all right SIM Con(J403) Rework SIM Well Solder? Con(J403) SIM Power all Right? J403 Check U502 (Pin11,14) SIM Clock & Check V250G I/O all right? Replace SIM VK Quality Group GSM C/S...
- Page 67 ☞ ☞ Microphone Trouble Microphone Trouble START Headset Detect Possible? Check Headset HS_DET alright? and V250G (V408) Output of sound Check V250G Waveform form U702 Check Headset and Earphone VK Quality Group GSM C/S...
- Page 68 ☞ ☞ Flip Detection Trouble Flip Detection Trouble START Flip Key EL_FPCB U101 EL_FPCB rework Well Solder? U101 U101 (Pin1) Check U502 2.8V? Near Magnetic EL_FPCB Replace U101(pin2) U101 Any change? Check V250G VK Quality Group GSM C/S...
- Page 69 ☞ ☞ Key Detection Trouble Key Detection Trouble START KEY Detect trouble KEY Dome Replace Dome Switch all Switch Right? ARR201, ARR202 Rework array All right? Resister Check U201 VK Quality Group GSM C/S...
- Page 70 ☞ ☞ Camera Trouble Camera Trouble Camera display is not working Camera module is Reassemble Camera module Connected Properly to the camera with Camera connector is connector and Inspect module’s located in the Low position direction on the LCM Camera connector is Re-solder the Camera Well soldered to the connector of LCM...
- Page 71 ☞ ☞ TX Power Trouble (E GSM) TX Power Trouble (E GSM) START 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.
- Page 72 ☞ ☞ TX Power Trouble (E GSM) TX Power Trouble (E GSM) Check : • U602 soldering Check • U602 pin 5 VBATT DC voltage (>3.3V) Power Amp U602 pin 17 ≥ • U602 pin 4 TX_EN 1.8V (High) Frequency & Power. ≤...
- Page 73 ☞ ☞ RX Sensitivity Trouble (E GSM) RX Sensitivity Trouble (E GSM) VK Quality Group GSM C/S...
- Page 74 ☞ ☞ RX Sensitivity Trouble (E GSM) RX Sensitivity Trouble (E GSM) VK Quality Group GSM C/S...
- Page 75 APPENDIX. APPENDIX. ELECTRICAL PARTS LIST ELECTRICAL PARTS LIST Main Parts List Main Parts List Folder Parts List Folder Parts List Battery Charger Parts List Battery Charger Parts List VK Quality Group GSM C/S...
- Page 76 ☞ ☞ Main Parts List Main Parts List NAME & DESCRIPTION VENDOR CODE Q'TY REFERANCE NUMBER SPOB-413S44-RC3310 C-MIC MIC401 [VK3100] PAS414SR-S-VA5R BATTERY_BACK UP B401 [VK1500] BLM18PG300SN1J BEAD_1608 (FERRITE) BD701,BD801 30ohm [VK700] GRM1555C1HR50CZ0 CAP_1005 0.5pF +-0.25% COG DC50V C814 GRM155R71H102KA0 CAP_1005 1nF +-10% X7R DC50V...
- Page 77 ☞ ☞ Main Parts List Main Parts List C745,C805,C807,C813,C CAP_1005 1uF +-10% X5R DC6.3V GRM155R60J105KE19D C226,C229 GRM1555C1H100JZ01D CAP_1005 10pF +-5% COG DC50V C816 | 0402CG100J9B CAP_1005 120pF +-5% GRM1555C1H121JA01D C623,C624 DC50V | 0402CG121J9B GRM1555C1H120JZ01D CAP_1005 12pF +-5% COG DC50V C237,C239,C621 | 0402CG120J9B C626,C627,C628,C629,C CAP_1005 1pF +-0.25% COG...
- Page 78 CAP_1608 2.2uF +-10% X5R DC10V JMK107BJ225MA-T C517,C518,C608 CAP_2012( 높이 낮음 ) 10uF +-10% X5R GRM21BR61A106KE19D [VK3100] C515 DC10V CONNECTOR_BATTERY 2005-03-239 3PIN [VK2000] J404 CONNECTOR 24-5805-024-000-829 24PIN FEMALE [VK3100] J701 24-5805-060-000-829 60PIN FEMALE (1.0T) CONNECTOR J702 [DISPLAY] VK Quality Group GSM C/S...
- Page 79 ☞ ☞ Main Parts List Main Parts List MM8430-2600RB3 | MM8430- CONNECTOR_RF J601 2600TB2 | MM8430-2610 U.FL-R-SMT(10) | CMJ-S00 CONNECTOR_RF J602 [VK3100] CONNECTOR_T-FLASH ndtf-658 J403 X-TAL, 32.768KHz DST410S X201 C407,C408, CAP_TAN(1608) 22uF +-20% DC6.3V F980J226MMA [VK700] C409,C410 F880J106MMA | C234,C412, CAP_TAN(M) 10uF +-20% DC6.3V...
- Page 80 IC_POWER AMP MODULE TQM7M4006 [VK2000] U602 EAR_JACK FDA2001-0010 10PIN_EAR [VK2000] J401 AML1005HR10JT | LL1005-FHR10J | IND_1005 100nH +-5% L401,L402 HK1005R10J IND_1005 1.2nH +-0.3nH AML1005H1N2ST [VK3100] L801 IND_1005 30nH +-2% 0402CS-30NXGBW [VK2000+] L603,L604 IND_1005 3.3nH +-0.3nH AML1005H3N3ST L608 VK Quality Group GSM C/S...
- Page 81 L602 IND_1005 7.5nH +-2% 0402CS-7N5XGBW L601 IND_1005 82nH +-5% AML1005H82NJT / HK100582NJ L403 IND_3*3*1 10uH +-20% (coil) LPS3010-103ML L502 PCB_MAIN VK3100 RevT100 R313,R352,R401,R402,R40 R404,R413,R414,R418,R42 R509,R511,R524,R616,R61 R626,R641,R642,R728,R74 RES_1005 0 ohm +-5% MCR01MZPJ000 | 0402J000 [DISPLAY] R752,R756,R766,R767,R76 R802,R803,R804,R805,R83 R836,R841 RES_1005 100 ohm +-5%...
- Page 82 RES_1005 27K ohm +-1%MCR01MZPF2702 R501 RES_1005 270K ohm +-5 MCR01MZPJ274 [VG200] R412,R415 RES_1005 2.2 ohm +-5% MCR01MZPJ2R2 R451,R452,R711,R712 RES_1005 324K ohm +-1 MCR01MZPF3243 [VK3100] R405 RES_1005 330 ohm +-5% MCR01MZPJ331 [VG200] R217 RES_1005 3.3K ohm +-5% MCR01MZPJ332 | 0402J332 [VG200] R218,R707...
- Page 83 RES_1005 82K ohm +-1% MCR01MZPF8202 [VK-V007] R773,R774 RES_1608 0 ohm +-5% MCR03EZPJ000 | 0603J000 R403 MCR03EZPJ200 | RC0603JR- RES_1608 20 ohm +-5% R513 0720RL[VK3100] RES_4-ARRAY 100 ohm +-5% MNR04M0ABJ101 [VK800] ARR201,ARR202 RES_4-ARRAY 10K ohm +-5% MNR04M0ABJ103 [VG200] ARR401 SWITCH_CURRENT LIMITED LOAD AAT4610AIJS-1-T1[VK2000]...
- Page 84 인청동 T=0.15 , 석도금 [VK3100] SHIELD CAN C 28X14 , CONDUCTIVE TAPE (T=0.3) GASKET SHIELD CAN A [VK3100] INSULATION MAIN PCB 10.7x1.1 , 3M850 [VK3100] INSULATION EARJACK 9.2x8.5 , 3M850 [VK3100] RUBBER MIC NBR [VK3100] VK Quality Group GSM C/S...