FLY VK4500 SVC Manual

GSM

SERVICE MANUAL

VK Quality Group GSM C/S

VK4500

☞

• 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).

• Use a twisted pair wire of thick type when measuring level. Using such a thick 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.

Service Guidelines

• 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 of a soldering iron while making repairs on board status.

• Any additional devices that cause the change of performance shall not be added to this phone, as registered.

VK Quality Group GSM C/S

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Table of Contents

Chapter 1. Overview & Features

Chapter 2.

Chapter 3. Assembling & Disassembling Methods

Chapter 4. Block Diagram

Chapter 5. Schematic

Chapter 6. PCB Diagram Chapter 7. Trouble Shooting Appendix. Electrical Part List

APPEARANCE & CONFIGURATION

VK Quality Group GSM C/S

CHAPTER 1.

OVERVIEW & FEATURES

VK Quality Group GSM C/S

1.

2.

3.

Overview

Features

Standard

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Overview

VK 4500 Mobile Phone is a Slide type MP3, 1.3Mpixel camera mobil

with color LCD, operated in the GSM, Digital Cellular Mobile Rad

and Personal Communication System, which is the Pan--

and Personal Communication System, which is the Pan

cellular standard.

VK 4500 Mobile Phone has the operation band of GSM 900, DCS 1800

GSM 850, PCS 1900. GSM Phase II features are fully supported and

the GSM Phase II+ features are also supported.

About the SIM Toolkit, VK 4500 Mobile Phone supports up to Class3 3

About the SIM Toolkit, VK 4500 Mobile Phone supports up to Class

including Class 1, 2. For speech communication, VK 4500 Mobile P

supports Full Rate (FR), Enhanced Full Rate (EFR) and Half Rate

text,

connection.

eZi

Text is implemented and WAP protocol is adopted for internet

European mobile

(HR). For easy

e phone

io System

and

parts of

hone

VK 4500 Mobile Phone supports GPRS up to Class 10.

VK Quality Group GSM C/S

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Features (HW)

C atag o ry Sub-Cata gory De scri ption

Design

Network

LCD

Camera

Vi deo

Audio

Data Service

Dimension 98 x 49 x 16.9

Weight 86.2g with standard battery

Form Factor Slide

Antenna Intenna

Radio GSM, EGSM, GP RS

R/F band 3.5 band GSM850, EGSM900, DCS1800, PCS1900

GPRS Class Class B 1 0 (4+2 )

Speech Codec FR, HR, E FR, AMR

Main display 176x220 2.0" 256K TFT

Sub display N/A

Image sensor CMOS

Resolution 1280x1024 pixel

Digital Zoom x 4

Opt ical Zoom No

Motion JPEG Yes

Camcorder supporting Motion JPEG

Flashlight No

MPEG4 N/A

H.263 N/A

H.264 N/A

Video output N/A

Sound format MIDI, sp-MIDI, MP3, AAC

Ringtones Yes (64poly MIDI, MP3)

MP3 playback Yes

Voice support codec AMR (TBD)

SM S/E M S/ MM S Y es

WAP 2

Java MIDP2.0/CLDC1.1

Catagory Sub-Catagory Des cription

N/A

128 Mb / 64 Mb

1Gb

N/A

32 x 35 x 52 (600mAh)

46 x 35 x 52 (920mAh)

Yes

No

Yes

Memory

Battery

Connect ivity

Opt ion

Instant Massage

e-mail

Nor/ SRAM

Nand

External Memory

Standard

Exte nd ed

RS232C

USB

IrDA

IrRC

Bluetooth

PC syncronization

Travel charger Adapter

Ear – Microphone

Hand strap

Batt e ry Charger

PC – Sync

VK Quality Group GSM C/S

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Features (SW)

FUNCTION DE T AIL ITEM COMMENTS

Normal fea tures

Call Call waiting Yes Network dependent

Audio

Phone book SIM/Phone

Languages S/T Chinese & English Type A, D

Supplementary services

Short/Multimedia message

Last dialed number 40 entry

Last received number 50 entry Last missed number 20 entry

Earpiece volume 5 level Mute on & Mute off Yes

Call barring All outgoing calls

International outgoing calls International outgoing calls except to home All inco min g calls All incoming calls when roaming

Call Diverting

Write message Send/Add Object/Remove Object(MMS only)/Page(MMS

only)/Save/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)

VK Quality Group GSM C/S

Inbox Delete/Delete All/

Reply/Reply All(MMS only)/ Forward/Callback/Extract/Details/Copy to SIM,PHONE(SMS on ly)/Move to SIM,PHONE(SMS o nly)

Info rmatio n Message Recept ion (On /Off)/ Read

Topics(Edit/Delete)

Voice message Listen to Voice Mail/Set Voice Mail Number

Memory statu s SMS SIM/PHONE(Number), MM S(%)

Settings delivery report, read report(MMS only), report sending(MMS

only), profile setting(MMS only), auto download(MMS only) Validity period/SMS center No.(SMS only)

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Features (SW)

FUNCTION DETAIL ITEM COMMENTS

Mult i-band

Miscellaneous function

Text input

Ga ll e ry

Camera Photo shot/Sticker shot/Video clip

WAP Built in WAP 2.0

EMS Built in

GPRS Built in Clas s 10

Cale ndar

Alarm

Memo Edit and view 10 Memos

Calculator Operator

Unit converter

World time

MP3

SIM Card

Support of multi-band & mode

Test facility Display s oftware vers ion

Language English

T9 Pre dictiv e wo rd in put

Photo/Video/Image/Animation Sound/Music

New Delete All Schedule List

Morning Call Reminder

Length conversion Weight conversion

Volumes conversion Surface conversion Temperature conversion

Setting local time Number of selectable cities 65 Cities

Player Edit Play Lis t Option (Repeat, Shuffle)

Release Release 96 Refres h O

GSM 850 / PCS 1900

GSM 900 / DCS1800

Simplified Chinese Tra d itional Ch in es e

Addition Subtraction Mult iplicat ion Division

VK Quality Group GSM C/S

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Standard

1) Rated Output:

2) Frequency Range:

3) Radiowave Type: E-GSM Tx =

4) Oscillation Mode:

5) Modulation Mode:

6) Frequency Stability:

7) Terminal Amp(IC):

8) Channel Separation:

9) RF1 Local Oscillation Frequency:

10) IF VCO Frequency:

11) M u lt ip lying Method:

12) Spurious 1G~4G(-30dBm or belo w from the FTA s tand ard )

GSM900 = 2W (M ax)

GSM850 = 2W (M ax)

DCS = 1W(Max)

PCS = 1W (Max)

GSM850 Tx =

824~849

P-GSM Tx =

890~915

DCS Tx =

1710~1785

PCS Tx =

1850~1910

880~915 PLL Synthesize

GM S K

GSM900, GSM850 = 90Hz

DCS, PCS = 180Hz

TQ7M 4006

200KHz

GSM850 = 1737.8 ~ 1787.8MHz

EGSM = 1849.8 ~ 1919.8M Hz

DCS = 1804.9~1879.9MHz

PCS = 1929.9 ~ 1989.9MHz

GSM850 = 896MHz

EGSM = 798M Hz

DCS = 766MHz

PCS = 854 MHz

Frequency Multip ly in g

Rx = 869~894MHz

Rx = 935~960MHz

Rx = 1805~1880MHz

Rx =1 930~1990MHz

Rx = 925~960MHz

1) Channel Number:

E-GSM = 975~1023, 1~124

P-GSM = 1~124

GSM850 = 128 ~ 251

DCS = 512~885

PCS =512 ~ 810

2) Channel Separation: 200KHz

3) Oscillatio n M od e: PLL Syn thes ize

4) RF2 Local Os cillatio n Freq uency : GSM850 = 1272 ~ 1297MHz

E-GSM = 1279 ~ 1314MHz

DCS = 1327 ~ 1402MHz

PCS = 1423 ~ 1483MHz

5) Intermediate Frequency: 100KHz

6) Modulation Mode: GMSK

7) Spurious: 1G~4G(-30dbm or below from the FTA standard)

VK Quality Group GSM C/S

CHAPTER 2.

APPEARANCE & CONFIGURATION

VK Quality Group GSM C/S

1.

2.

3.

Appearance

Configuration

LCD Panel

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Appearance

VK Quality Group GSM C/S

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Icons

VK Quality Group GSM C/S

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Icons

VK Quality Group GSM C/S

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Icons

VK Quality Group GSM C/S

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LCD Panel

VK Quality Group GSM C/S

CHAPTER 3.

ASSEMBLING & DISASSEMBLING

VK Quality Group GSM C/S

1.

2.

Assembly Drawings

Disassembling Methods

1. Assembly Drawings

VK Quality Group GSM C/S

1)

2)

3)

Exploded View

Mechanical Parts List

Ass’’yy

Ass

View

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Exploded View & Parts List

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

VK Quality Group GSM C/S

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Exploded View & Parts List

NO. DESCRIPTION Q’TY

1 WINDOW MAIN 1

2 TAP E WINDOW MAIN 1

3 FIL T E R RECE IVER 1

4 BUMPER INDICATOR 1

5 FOLDER LOWER 1

6 CUSHION LCD 1

7 RECEIVER 1

8VIBRATOR 1

9LCD MODULE 1

10 FPC MAIN 1

11 MAGNETIC 1

12 SCREW 6

13 FOLDER LOWER 1

14 T AP E DECO MIRROR 1

15 TAPE DECO LOWER B 2

16 BUMPER LOW ER 2

17 TAPE DECO LOWER A 1

18 T APE FOLDER LOWER C 1

19 DECO MIRROR 1

20 DECO ACET AL R 1

21 BUMPER HINGE R 1

22 DECO ACET AL L 1

23 BUMPER HINGE L 1

24 DECO LOWER 1

25 SLIDE HINGE 1

26 SCREW 4

27 COVER SCREW FOLDE R R 1

28 COVER SCREW FOLDE R L 1

29 KEYP AD NAVI 1

30 FP C NAVI ASSY 1

31 DECO FRONT 1

32 CASE FRONT 1

33 GASKET FORM IO 1

34 RUBBE R FRON T 1

NO. DESCRIPTI ON Q’TY

35 GASKET KEYPAD 2

36 CUSHION FRONT EL 1

37 KEYPAD DIAL 1

38 SCREW 6

39 MAIN PCB ASSY 1

40 CAMERA MODULE 1

41 SP EAKER 1

42 KNOB SIDE 1

43 COVER IO 1

44 CUSHION MIC 1

45 INT ENNA 1

46 KNOB CAMERA 1

47 COVER EARJACK 1

48 CUSHION CAMERA 1

49 CASE REAR 1

50 TAPE DECO SP K OUT 1

51 T AP E DECO SPK IN 1

52 DECO SPK 1

53 T AP E WINDOW CAMERA 1

54 WINDOW CAMERA 1

55 SCREW 2

56 T APE DECO CAMERA 1

57 DECO CAMERA 1

58 KNOB SP RING 1

59 COVER SCREW R 1

60 COVER SCREW L 1

61 KNOB LOCK 1

62 TAP E MOLDULE 1

63 SCREW 4

VK Quality Group GSM C/S

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Ass’’yy

Ass

View

Folder Upper

Folder Upper Ass’y

VK Quality Group GSM C/S

Ass’’yy

Ass

☞

Ass’’yy

Ass

View

Folder Lower

Folder Lower Ass’y

VK Quality Group GSM C/S

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Ass

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Ass’’yy

Ass

View

Front Case

Front Case Ass’y

VK Quality Group GSM C/S

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Ass’’yy

Ass

View

Rear Case

Rear Case Ass’y

VK Quality Group GSM C/S

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Ass

2. Disassembling Methods

VK Quality Group GSM C/S

1)

2)

3)

4)

Tools

Battery & Rear Case Disassembling

Main PCB Disassembling

Folder Disassembling

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Tool Preparation

Disassembling tools are as below :

1. Star-shaped(*) Screw Driver

2. Hinge Remover

3. Tweezers

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.

VK Quality Group GSM C/S

4. Cross-tip(+) Screw Driver