Service Manuals, User Guides, Schematic Diagrams or docs for : LG Mobile Phone LG C1100 LG C1100 2
<< Back | HomeMost service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.
Image preview - the first page of the document
>> Download LG C1100 2 documenatation <<
Text preview - extract from the document
Service Manual
Service Manual
C1100
Model : C1100
P/N : MMBD0034301 Date : June, 2004 / Issue 1.0
Table Of Contents
1. INTRODUCTION ................................ 2 5. DISASSEMBLY INSTRUCTION ... 82
1.1 Purpose ............................................... 2 5.1 Disassembly ...................................... 82
1.2 Regulatory Information ........................ 2
1.3 Abbreviations ....................................... 4 6. DOWNLOAD AND
CALIBRATION ............................. 90
2. PERFORMANCE ................................. 6 6.1 Download .......................................... 90
2.1 H/W Features ...................................... 6 6.2 Calibration ......................................... 97
2.2 Technical Specification ........................ 7
7. BLOCK DIAGRAM ......................... 100
3. TECHNICAL BRIEF ......................... 11
3.1 Transceiver ....................................... 11
8. CIRCUIT DIAGRAM ....................... 101
3.2 Power Amplifier Module .................... 16
9. PCB LAYOUT ..................................... 95
3.3 13MHz Clock ..................................... 17
11.1 TOP ................................................. 95
3.4 Power Supplies for RF Circuits ......... 17
11.2 BOTTOM ......................................... 96
3.5 Digital Main Processor ...................... 18
3.6 Analog Main & Power Management 10. ENGINEERING MODE ................ 107
Processor ........................................... 23 10.1 BB Test .......................................... 107
3.7 Memory ............................................. 33 10.2 RF Test .......................................... 108
3.8 Display and Interface ......................... 34 10.3 MF Mode ....................................... 108
3.9 Keypad Switches and Scanning ......... 35 10.4 Trace optiont ................................. 110
3.10 Microphone........................................ 36 10.5 Call timer ....................................... 110
3.11 Main Receiver .................................. 37 10.6 Fact. Reset .................................... 110
3.12 Headset Jack Interface ..................... 38 10.7 S/W version ................................... 110
3.13 Speaker & MIDI IC ........................... 39
3.14 Key Back-light Illumination ............... 40 11. STAND ALONE TEST .................. 111
3.15 LCD Back-light Illumination .............. 41 11.1 Introduction .................................... 111
3.16 MOTOR ............................................ 42 11.2 Setting Method .............................. 111
11.3 HW Test : Software for Standalone
4. TROUBLE SHOOTING ................... 43 Test Setup ..................................... 112
4.1 RX Trouble ........................................ 43
4.2 TX Trouble ......................................... 51 12. AUTO CALIBRATION .................. 114
4.3 Power On Trouble ............................. 59 12.1 Overview ....................................... 114
4.4 Charging Trouble ............................... 61 12.2 Requirements ................................ 114
4.5 LCD Trouble. ..................................... 63 12.3 Equipment Setup ............................ 114
4.6 Receiver Trouble ............................... 65 12.4 AGC ............................................... 116
4.7 Speaker Trouble ................................ 67 12.5 APC ............................................... 116
4.8 Mic Trouble ........................................ 69 12.6 ADC ............................................... 116
4.9 Vibrator Trouble ................................. 71 12.7 Setting ........................................... 116
4.10 Key Backlight LED Trouble .............. 73 12.8 How to do calibration ..................... 116
4.11 Folder on/off Trouble ........................ 74
4.12 SIM Detect Trouble .......................... 76 13. EXPLODED VIEW &
REPLACEMENT PART LIST
4.13 Earphone Trouble ............................. 77 ............................................................. 117
4.14 Indicator LED Trouble ...................... 80
13.1 Exploded View ............................... 117
4.15 RTC Trouble ..................................... 81
13.2 Replacement Parts ........................ 119
13.3 Accessory ...................................... 126
-1-
1. INTRODUCTION
1. INTRODUCTION
1.1 Purpose
This manual provides the information necessary to repair, calibration, 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 does not warrant that this product is immune from the above case but will
prevent unauthorized use of common-carrier telecommunication 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 unauthorized 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.
-2-
1. INTRODUCTION
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 Device (ESD), are indicated by the
sign. Following information is ESD handling:
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
package as described.
-3-
1. INTRODUCTION
1.3 Abbreviations
For the purposes of this manual, following abbreviations apply:
APC Automatic Power Control
BB Baseband
BER Bit Error Rate
CC-CV Constant Current ◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo