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.
Summary of Contents for GB110
Page 13: ...13 3 TECHNICAL BRIEF 3 1Digital Main Processor Figure 3 1 PMB7890 FUNCTIONAL BLOCK DIAGRAM ...
Page 32: ...32 3 9 LCD Interface Figure 3 9 1 LCD Interface Figure 3 9 2 Charging PUMP Interface ...
Page 33: ...33 LCD Interface Pin Function Charging PUMP Pin Function ...
Page 34: ...34 3 10 SIM Card Interface Figure 3 10 SIM CARD Interface ...
Page 35: ...35 3 11 KEYPAD Interface Figure 3 11 KEY PAD Interface ...
Page 38: ...38 3 14 Micro SD Interface ...
Page 40: ...40 Circuit Diagram TP1 TP6 TP3 TP4 TP2 TP5 ...
Page 42: ...42 4 2 SIM Card Trouble Test Point Circuit Diagram ...
Page 44: ...44 4 3 Vibrator Trouble Test Point Circuit Diagram ...
Page 46: ...46 4 4 Keypad Trouble Test Point Circuit Diagram ...
Page 47: ...47 Checking Flow Change Metal Dome Check Metal Dome Start Change PCB NG OK ...
Page 48: ...48 4 5 RTC Trouble Test Point Circuit Diagram ...
Page 50: ...50 4 6 Key Backlight Trouble 1 1 1 Test Point ...
Page 51: ...51 Circuit Diagram ...
Page 53: ...53 4 7 LCM Backlight Trouble Test Point Circuit Diagram ...
Page 55: ...55 4 8 LCM Trouble Test Point Circuit Diagram ...
Page 57: ...57 4 9 Microphone Trouble Test Point Circuit Diagram ...
Page 59: ...59 4 10 Receiver Trouble Test Point Circuit Diagram ...
Page 61: ...61 4 11 Speaker Trouble Test Point Circuit Diagram ...
Page 63: ...63 4 12 Headphone Trouble Test Point ...
Page 64: ...64 Circuit Diagram TP1 TP2 ...
Page 67: ...67 4 13 Charging Trouble Test Point Circuit Diagram ...
Page 69: ...69 4 14 FM Radio Trouble Test Point ...
Page 70: ...70 ...
Page 71: ...71 Circuit Diagram ...
Page 75: ...75 4 15 Camera Trouble Test Pointer TP1 TP2 TP3 ...
Page 76: ...76 Circuit Diagram ...
Page 78: ...78 4 16 Micro SD Trouble Test Pointer TP1 ...
Page 83: ...83 RX Trouble CIRCUIT ...
Page 86: ...86 CIRCUIT ...
Page 88: ...88 TX Trouble CIRCUIT ...
Page 91: ...91 CIRCUIT ...
Page 93: ...93 5 DOWNLOAD 5 1 Download Setup ...
Page 102: ...102 DownLoad success DownLoad Pass will display green color Fig 11 download success ...
Page 104: ...104 Add software files in folder as follows ...
Page 106: ...106 6 BLOCK DIAGRAM ...
Page 107: ...107 7 CIRCUIT DIAGRMA ...
Page 113: ...113 8 BGA IC PIN Check 8 1 BGA PIN Check of MCU PMB7890 No NC pin ...
Page 114: ...114 8 2 BGA PIN Check of Memory ...
Page 115: ...115 8 3 BGA PIN Check of Camera driver AIT701A No NC pin ...
Page 116: ...116 9 PCB LAYOUT ...
Page 139: ...139 13 EXPLODED VIEW REPLACEMENT PART LIST 13 1 EXPLODED VIEW ...