3
1. INTRODUCTION
1.1 Purpose
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.
Содержание GB110
Страница 1: ...1 GB110 GB110 GB110 GB110 Service Manual Service Manual Service Manual Service Manual LG Electronics ...
Страница 13: ...13 3 TECHNICAL BRIEF 3 1Digital Main Processor Figure 3 1 PMB7890 FUNCTIONAL BLOCK DIAGRAM ...
Страница 32: ...32 3 9 LCD Interface Figure 3 9 1 LCD Interface Figure 3 9 2 Charging PUMP Interface ...
Страница 33: ...33 LCD Interface Pin Function Charging PUMP Pin Function ...
Страница 34: ...34 3 10 SIM Card Interface Figure 3 10 SIM CARD Interface ...
Страница 35: ...35 3 11 KEYPAD Interface Figure 3 11 KEY PAD Interface ...
Страница 38: ...38 3 14 Micro SD Interface ...
Страница 40: ...40 Circuit Diagram TP1 TP6 TP3 TP4 TP2 TP5 ...
Страница 42: ...42 4 2 SIM Card Trouble Test Point Circuit Diagram ...
Страница 44: ...44 4 3 Vibrator Trouble Test Point Circuit Diagram ...
Страница 46: ...46 4 4 Keypad Trouble Test Point Circuit Diagram ...
Страница 47: ...47 Checking Flow Change Metal Dome Check Metal Dome Start Change PCB NG OK ...
Страница 48: ...48 4 5 RTC Trouble Test Point Circuit Diagram ...
Страница 50: ...50 4 6 Key Backlight Trouble 1 1 1 Test Point ...
Страница 51: ...51 Circuit Diagram ...
Страница 53: ...53 4 7 LCM Backlight Trouble Test Point Circuit Diagram ...
Страница 55: ...55 4 8 LCM Trouble Test Point Circuit Diagram ...
Страница 57: ...57 4 9 Microphone Trouble Test Point Circuit Diagram ...
Страница 59: ...59 4 10 Receiver Trouble Test Point Circuit Diagram ...
Страница 61: ...61 4 11 Speaker Trouble Test Point Circuit Diagram ...
Страница 63: ...63 4 12 Headphone Trouble Test Point ...
Страница 64: ...64 Circuit Diagram TP1 TP2 ...
Страница 67: ...67 4 13 Charging Trouble Test Point Circuit Diagram ...
Страница 69: ...69 4 14 FM Radio Trouble Test Point ...
Страница 70: ...70 ...
Страница 71: ...71 Circuit Diagram ...
Страница 75: ...75 4 15 Camera Trouble Test Pointer TP1 TP2 TP3 ...
Страница 76: ...76 Circuit Diagram ...
Страница 78: ...78 4 16 Micro SD Trouble Test Pointer TP1 ...
Страница 83: ...83 RX Trouble CIRCUIT ...
Страница 86: ...86 CIRCUIT ...
Страница 88: ...88 TX Trouble CIRCUIT ...
Страница 91: ...91 CIRCUIT ...
Страница 93: ...93 5 DOWNLOAD 5 1 Download Setup ...
Страница 97: ...97 It will present a shortcut in the desktop after installing finish This is DWForService download software ...
Страница 101: ...101 DownLoad Fail If download fail that it will show red and display progress in log window Fig 10 Download fail screen ...
Страница 102: ...102 DownLoad success DownLoad Pass will display green color Fig 11 download success ...
Страница 104: ...104 Add software files in folder as follows ...
Страница 106: ...106 6 BLOCK DIAGRAM ...
Страница 107: ...107 7 CIRCUIT DIAGRMA ...
Страница 113: ...113 8 BGA IC PIN Check 8 1 BGA PIN Check of MCU PMB7890 No NC pin ...
Страница 114: ...114 8 2 BGA PIN Check of Memory ...
Страница 115: ...115 8 3 BGA PIN Check of Camera driver AIT701A No NC pin ...
Страница 116: ...116 9 PCB LAYOUT ...
Страница 131: ...131 11 2 4 Set up Double click the Arima icon will show set up window Fig 25 Double click ARIMA icon window ...
Страница 139: ...139 13 EXPLODED VIEW REPLACEMENT PART LIST 13 1 EXPLODED VIEW ...