LG KM330 User manual

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KM330/KM335
Service Manual
LG Electronics

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Table Of Contents
1. INTRODUCTION…………..……....3
1.1 Purpose…………………………….…..3
1.2 Regulatory Information………….….…3
2. PERFORMANCE………….……....5
2.1 H/W Features……………..……..….…5
2.2 S/W Features………………..….….….6
3. TECHNICAL BRIEF………………18
3.1 Digital Main Processor(MT6229 )….…..18
3.2 Power Amplifier Module(SKY77318).…..28
3.3 Transceiver Module(MT6139)………….29
3.4 Bluetooth Module (MT6601)..................31
3.5 PMIC (MT6318)………………..……..34
3.6 Memory Module (HYC0UGE0MF1P-5SH0E).36
3.7 FM/AM Radio Module………………..38
3.8 Antenna Switch Module (ESHS-B085TB).42
3.9 LCD Interface………………….……...43
3.10 SIM& Micro SD Card Interface…....45
3.11 KEYPAD Interface……………….….46
3.12 Battery Charging Block Interface....48
3.13 Audio Interface……………….……..49
3.14 Key LED Interface………..……...…50
3.15 Vibrator Interface….………………..51
3.16 Camera Interface……..…………….52
4. TROUBLE SHOOTING……..…...55
4.1 Power On Trouble……………………55
4.2 SIM Card Trouble…………………….58
4.3 Vibrator Trouble………………………60
4.4 Keypad Trouble….............................62
4.5 RTC Trouble………………………….63
4.6 Key Backlight Trouble……………….64
4.7 LCM Backlight Trouble………………67
4.8 LCM Trouble……………….…………68
4.9 Microphone Trouble………….……….70
4.10 Receiver Trouble…….…………...….71
4.11 Speaker Trouble……………………..74
4.12 HeadphoneTrouble…………….……76
4.13 RF Trouble……………….…………..84
5. DOWNLOAD………………...…….89
5.1Down load setup……….…….…………89
5.2 Download Process…………………….90
6. BLOCK DIAGRAM……………….94
7. CIRCUIT DIAGRMA……………...95
8. BGA IN PIN Check………..…...106
9. PCB LAYOUT……...…………...110
10.ENGINEERING MODE………..112
11. CALIBRATION…………………116
11.1 Test Equipment Setup…………….116
11.2 Calibration Steps………….………...117
12. STAND ALONE TEST…...…….160
12.1 Test Program Setting…….…………160
12.2 Rx Test……………………………….163
12.3 Tx Test……………………...………..166
13. EXPLODED VIEW&
REPLACEMENT PART LIST……..168
13.1 KM330 Exploded View…..…….168
13.2 KM335 Exploded View..….…....170
13.3 KM330 Replacement Part……….172
13.4 KM335 Replacement Part……....175

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1. INTRODUCTION
1.1Purpose
This manual provides information necessary to repair, description and download the
features of this model.
1.2 Regulatory Information
A. Security
Toll fraud, the unauthorized use of telecommunications system by an unauthorized part (for
example, persons other than your company’s employees, agents, subcontractors, or
person working on your company’s behalf) can result in substantial additional charges for
your telecommunications services.
system users are responsible for the security of own system. There are may be risks of
toll fraud associated with your telecommunications system. System users are responsible
for programming and configuring the equipment to prevent unauthorized use .The
manufacturer dose not warrant that this product is immune from the above case but will
prevent unauthorized use of common-carrier telecommunications service of facilities
accessed through or connected to it.
The manufacturer will not be responsible for any charges that result from such
unauthorized use.
B. Incidence of Harm
If a telephone company determines that the equipment provided to customer is faulty and
possibly causing harm or interruption in service to the telephone network, it should
disconnect telephone service until repair can be done. A telephone company may
temporarily disconnect service as long as repair is not done.
C. Changes in Service
A local telephone company may make changes in its communications facilities or
procedure. If these changes could reasonably be expected to affect the use of the this
phone or compatibility with the network, the telephone company is required to give
advanced written notice to the user, allowing the user to take appropriate steps to maintain
telephone service.
D. Maintenance Limitations
Maintenance limitations on this model must be performed only by the manufacturer or its
authorized agent. The user may not make any changes and/or repairs expect as
specifically noted in this manual.
Therefore, note that authorized alternations or repair may affect the regulatory status of the
system and may void any remaining warranty.
E. Notice of Radiated Emissions
This model complies with rules regarding radiation and radio frequency emission as
defined by local regulatory agencies. In accordance with these agencies, you may be
required to provide information such as the following to the end user.

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F. Pictures
The pictures in this manual are for illustrative purposes only; your actual hardware may
look slightly different.
G. Interference and Attenuation
Phone may interfere with sensitive laboratory equipment, medical equipment, etc.
Interference from unsuppressed engines or electric motors may cause problems.
H. Electrostatic Sensitive Devices
ATTENTION
Boards, which contain Electrostatic Sensitive Devices(ESD),are indicated by
the sign.
Following information is ESD handing:
. Service personnel should ground themselves by using a wrist strap when exchange
system boards.
.When repairs are made to a system board, they should spread the floor with anti-static mat
which is also grounded.
.Use a suitable, grounded soldering iron .
. Keep sensitive parts in these protective packages until these are used.
.When returning system boards or parts like EEPROM to the factory, use the protective
packages as described.

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2. PERFORMANCE
2.1 H/W Features
Item Specifications
etc
Type Bar type
Antenna Type Internal (tri-Band)
Main Display 2.0” 320x240
GPRS Class 10
MMS Yes, 1.1
Camera 3.0M AF
Flash Light Yes
Battery (KM330) 900mAh Li-ion inner pack LG chemical -LGIP-430A
Battery (KM335) 1100mAh Li-ion inner pack Tocad/ LG chemical
- LGIP-530A
Audio player Yes MP3/AAC/AAC+/WMA
FM Receiver (KM330/KM335) Yes , US/Europe band support (87.5~108MHz)
AM Receiver (only KM335) Yes, world wide AM band (522 ~ 1710KHz)
MPEG4/H.263 Yes (support 3GP)
AAC Yes
AAC+ Yes LGE License
WMA Yes LGE License
3D Sound Yes
FM/AM as alarm Yes
Scheduled FM/AM recording Yes
MP4 for incoming call/ power on off
animation and screen saver Yes
Loud Speaker Yes
Audio player--real resuming Yes, for MP3 only
Video recording Yes
Memory Size 256Mb SDRAM + 1Gb NAND
Internal NAND 90M Bytes
Memory Card Micro SD Up to 8GB
Bluetooth Yes, version 2.0 W/O EDR.
USB Yes, USB 2.0 Full Speed
WAP Yes, 2.0
Java Yes
Status LED YES, white LED+5pcs
MPEG4 caller ID Yes
OTA Yes
Music Equalizer Yes
In flight mode Yes
Frequency Three Band (900/1800/1900)

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2.2 S/W Features
2-2-1 System Specification
Item Target Specification
Form Factor Bar Type
KM330: 108.2*47.2*13.8
Size
KM335: 108.2*47.2*14.8
Weight KM330: 83g / KM335: 88g
Battery 3.7V, 900mAh Li-Ion / 1100mAh Li-ion
4 hrs 52 min @900mAh @GSM900 PCL 10 TBD
Talk Time
5 hrs 30 min @1100mAh @GSM900 PCL 10 TBD
KM330: 428 hrs@900mAh @ Paging period 9 TBD
Standby Time
KM335: 450 hrs@1100mAh @ Paging period 9 TBD
Antenna Embedded type
LCD 262Kcolor, 320x240 TFT
FM/AM Radio Yes,
Camera 3.0M pixel AF
Back Light White LED
Keypad Backlight Color White LED
Vibrator Yes
Loud Speaker Yes, Dual (13*18Φoval type 2 ea), out put : 0.8W over
Microphone Yes
Earphone Jack No
SIM Socket Yes, 1.8/3.0V
Volume Key Side key (up/down)
Travel Adaptor
Standard Battery (900mA, Li-Ion)
Stereo Headset with button (FM)
Basic Accessory
USB Data Cable
2-2-2 General Features
Function Target Specification
RSSI (7 Levels <<Off,0~2,4~5,7>>)
Battery Indicator (4 Level, 0~3)
Icons Indicator
Basic Display
Others reference to "Phone Personalization Setting"
Speech Codec FR/EFR/HR/AMR
Number of Keys: 24 Key (include 12 alphanumeric/number keys (0-9,#,*), 4 function
keys, 5 way navigation keys, 4 side keys)
Soft Function Keys : 2
Keypad
International Access (+)(long 0)
User Selectable and Customizable Profiles (7 profiles: General, Meeting, Outdoor,
Vibrate only, Headset, Silent, Bluetooth)
User Profile
(Audio Settings)
Auto-detect and activated profiles (1 profile: Headset)

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Key Tone
Key Tone Volume (7 Level - 0 ~ 6, 0 for Mute)
Key tone setting (4 sets: Silent, Click, Keyboard Tone, Melody Tone, English/Russian
Human voice)
Ring Tone
Ring Tone Volume (7 Level - 0 ~ 6, 0 for Mute)
Built-in Ring Tone Pattern: 20
Customizable Ring Tone Link: 5
Intelligent Call Alert
Digits To Sound Synthesizing
Alert Type
6 Types - Ring, Vibration Only, Vibration and Ring, Ring after vibration, Light Only, Beep
Once
Power On Tone
Built-in Ring Tone Pattern: 5(include Silent)
Power Off Tone
Built-in Ring Tone Pattern: 5(include Silent)
Message Tone
Built-in Ring Tone Pattern: 11 (include Silent)
Warning Tone
Built-in Ring Tone Pattern: 1 (Only On/Off operation)
Error Tone
Built-in Ring Tone Pattern: 1 (Only On/Off operation)
Camp On Tone
Built-in Ring Tone Pattern: 1 (Only On/Off operation)
Connect Tone
Built-in Ring Tone Pattern: 1 (Only On/Off operation)
Status LED
Built-in Lighting Pattern: 2 (None, Pattern 1)
Charger-in Status LED
Built-in Lighting Pattern: 2 (None, Pattern 1)
Answer Mode
Any Key Answer
Auto (Only available for headset mode while headset plugged in)
Calendar - Month view onlyPersonal Information
Management
To do list - 6 fields (Date, Start time, End time, Note, Alarm, Repeat)
Alarm
3 sets of Alarm
4 major fields for each set - On/Off, Time, Repeat type, Audio option
World Clock
Cities list: China(52),IND(54),CIS(68) cities
Tools and Utilities
Daylight saving time support: activated by user selection

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Home city set
Calculator
Addition, Subtraction, Multiplication, Division
Unit Converter
Weight, Length
Currency Converter
Health
BMI, Menstrual
Greeting Text
Shortcuts
Flight Mode
Time and Date Setting
Wallpaper
Screen Saver
Power On Animation
Power Off Animation
LCD Backlight
PLMN/Service Indicator (Display of PLMN Name/Service Provider Name from SIM)
Date Time Display
Own Number Display
Phone Personalization Setting
Restore Factory Default Setting
Security Phone Lock
Engine
T9
Support Language
Depends on customer and market requirement.
Total supported languages will be limited to memory condition.
Input Method
Predictive word input
3 embedded Java Games: Mini Game World, Chequered Flag, BackgammonGame
Settings:
BGM, Sound Effect, Vibration
2-2-3 GSM/GPRS Features
Function Target Specification
GPRS GPRS Multi slot Class 10
Data Service BS 24 - 26 (2400-9600 bit/s), asynchronous, non-transparent, UDI.
CSD rate up to 9.6K bit/s
Last Dialed Number : 40
Last Received Number : 40
Last Missed Number : 40
Call History
Scratch Pad Memory(Save an input number in call) : 1

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Last Call Time
Total Dialed Call Time
Total Received Call Time
Last Call Cost
Total Cost
Max Cost
Call Cost
Price Per Unit
Last Sent (unit in Byte)
Last Received (unit in Byte)
All Sent (unit in Byte)
GPRS Counter
All Received (unit in Byte)
Call Swap
Call Retrieve
Automatic Redial
Speed Dialing
Call Management
Last Number Redial
Call Hold
Call Waiting
Calling Line Identity Presentation
Calling Line Identity Restriction
Connected Identification Restriction
Call Divert All voice Calls
Call Divert if unreachable
Call Divert if no answer
Call Divert if busy
Call Divert all data calls
Cancel all divert
Call Barring All Outgoing Calls
Call Barring All Outgoing International Calls
Call Barring All outgoing International except home
Call Barring All incoming Calls
Call Barring All incoming Calls when roaming
Multi-party Call (up to 7 calls, 5 in conference, 1 on held, 1 waiting)
Call Related Supplementary
Services
Line switching (Line1, Line2)
Call reminder (Off, Single, Periodic)
Closed User Group
Quick Search (Notice: Quick search function only works in Phonebook, SMS and MMS.
In other application, this phone supports regular search.)
Alpha Store and Recall
Access Phone Book in call
Copy & Move
Fixed Dial Number
Service Dial Number
Speed Dial Number
Phone Book
SOS Number

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Entry : 1000 names (12 fields – Name, Mobile, Home, Company name, Email address,
Office number, Fax number, Birthday, Associate Picture, Associate Video, Associate
Sound, Caller group)
Caller Group-5 caller group- Friends, Family, VIP, Business, Others (6 fields – Name,
Ring, Picture, LED pattern, Video, Member list)
Own Numbers: User can change the own numbers of handset. (Sets of own numbers
depends on SIM)
vCard: (Edit, Send and Receive. 7 fields – Name, Mobile, Home, Company Name, Email
Address, Office Number, Fax Number)
Note: This phone doesn’t support phone number search.
SMS
Standard SMS
SMS Reply Path
SMS Delivery Report
Valid period (1 hour/12 hours/1 day/1 week/Maximum)
Message Type (Text, Fax, Page, Email) Message Indication Type refer to GSM
03.40
Basic text-only SMS as described in 3GPP TS 23.040 R5
Notice: This phone doesn’t support video ring tone via SMS
SMS Character Sets Support
GSM7
UCS-2
EMS
EMS Standard as described in 3GPP TS 23.040 R5 excluding WVG
EMS Text Format
Text Style : Normal, Bold, Italic, Underlined, Strikethrough
Text Alignment : Left, Right, Center
Text Size : Normal, Large, Small
EMS Image Support
1-bit small image 16x16 pixels black and white
1-bit large image 32x32 pixels black and white
1-bit variable image in single SMS packet
Extended black and white 1-bit image up to 255x255 pixels
Extended 6-bit image up to 255x255
Pre-defined animation
User-defined small animation 8x8 pixel 4-frame black and white
User-defined large animation 16x16 pixel 4-frame black and white
Pre-defined sound
User-defined i-Melody up to 128 bytes
LZSS compression algorithm
Re-use extended object
Object Distribution
Message
User Prompt Indicator