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LG KG110 Service Manual
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Also See for KG110
:
User manual
(193 pages)
,
Service manual
(87 pages)
,
Service manual
(87 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Introduction
Purpose
Regulatory Information
Security
Changes in Service
Maintenance Limitations
Notice of Radiated Emissions
Interference and Attenuation
Electrostatic Sensitive Devices
System Specification
Technical Brief
KG110 Block Diagram
RF Part Introduction
Receiver Part
A.low Noise Amplifiers
B.down-Converting Mixers
C.baseband Amplifiers / Low Pass Filters
D.baseband Output D.C. Offset Correction
E.receiver Local Oscillator (LO) Generator
Transmitter Part
Power Amplifier Module
B.quadrature Modulator
C.phase Frequency Detector (PFD)
D.loop Filter
E.tx Vco
F.feedback Down-Converting Mixer
G.transmit Frequency Plan
H.main Frequency Synthesizer
I.fractional N Dividers
J.phase Frequency Detector/Charge Pump
K.synthesizer Loop Filter
L.voltage Controlled Oscillator
The Crystal Reference System
Power Management
A.LDO Usage
Baseband Introduction
Baseband Processor (AD6720 , U101)
Interconnection with External Devices
RTC Block Interface
LCD Module Interface
RF Interface
SIM Interface
LDO Block
Battery Charging Block
Display and Interface
Keypad Switches and Scanning
Microphone
Soft-MIDI and Main Speaker
Headset Interface
Key Back-Light Illumination
LCD Back-Light Illumination
Vibrator
Trouble Shooting
RF Components
RX Trouble
Check Crystal Circuit
Check Control Signal
Check Mobile SW & ANT SW
Check SAW Filter
Check I/Q Signal
TX Trouble
Check Crystal Circuit
Check Control Signal
Check TX I/Q Signal
Check PAM Control Signal
Check Mobile SW & ANT SW
Power on Trouble
Charging Trouble
Download
Calibration
Equipment Setup
Setup
LCD Trouble
LCD Blue Screen or Abnormal Display
LCD Black Screen
Receiver Trouble
Speaker Trouble
MIC Trouble
Earphone Trouble
KEYPAD Backlight LEDS Trouble
SIM Trouble
Appendix
Bom
Mechanic Component
Exploded View
Circuit Diagram
Pcb Layout
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See also:
User Manual
KG110_Cover_Eng
2006.8.9
3:57 PM
Page 1
Service Manual
KG110/KG115/
MG110a/MG110b
Date : Aug 2006 / Issue 1.0
P/N : MMBD0061701
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This manual is also suitable for:
Mg110a
Mg110b
Kg115
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