3
1.
INTRODUCTION
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 GB107
Страница 1: ...1 GB107 Service Manual LG Electronics ...
Страница 11: ...11 3 TECHNICAL BRIEF Digital Main Processor Figure 3 1 PMB7880 FUNCTIONAL BLOCK DIAGRAM ...
Страница 12: ...12 ...
Страница 22: ...22 RTC 32 768KHz Crystal Figure 3 4 E GoldVoice RTC Interface ...
Страница 23: ...23 3 5 LCD Interface 3 wire SPI interface Figure 3 5 1 LCD Interface Figure 3 5 2 Charging PUMP Interface ...
Страница 24: ...24 ...
Страница 25: ...25 3 6 SIM Card Interface Figure 3 6 SIM CARD Interface ...
Страница 26: ...26 3 7 KEYPAD Interface Figure 3 7 KEY MAXTRIX Interface ...
Страница 27: ...27 3 8 Battery Charging Block Interface Figure 3 8 Charging IC Interface ...
Страница 28: ...28 3 9 RF Interface Figure 3 9 RF Module SAW Filter Interface ...
Страница 29: ...29 ...
Страница 30: ...30 3 10 Audio Interface Figure 3 10 1 Audio Interface ...
Страница 31: ...31 ...
Страница 32: ...32 Figure 3 10 2 Main Speaker Receiver Interface ...
Страница 33: ...33 Figure 3 10 3 Main Microphone Interface Figure 3 10 4 Headset Interface ...
Страница 36: ...36 3 13 Memory Interface Figure 3 13 Memory Interface ...
Страница 39: ...39 3 15 FM Radio Interface GB105 GB105b only Figure 3 15 FM Radio Interface ...
Страница 41: ...41 ...
Страница 42: ...42 PAM Matching component Mobile SW Antenna Matching component Antenna connect point ...
Страница 43: ...43 ...
Страница 44: ...44 ...
Страница 45: ...45 ...
Страница 46: ...46 ...
Страница 47: ...47 ...
Страница 48: ...48 TP2 TP1 TP3 ...
Страница 49: ...49 TP2 TP1 TP3 ...
Страница 50: ...50 ...
Страница 52: ...52 Circuit Diagram TP5 TP6 TP1 TP3 TP4 TP2 ...
Страница 54: ...54 4 4 SIM Card Trouble Test Point Circuit Diagram ...
Страница 56: ...56 4 5 Vibrator Trouble Test Point Circuit Diagram ...
Страница 58: ...58 4 6 Keypad Trouble Test Point Circuit Diagram ...
Страница 59: ...59 Checking Flow Change Metal Dome Check Metal Dome Start Change PCB NG OK ...
Страница 60: ...60 4 7 RTC Trouble Test Point Circuit Diagram ...
Страница 62: ...62 4 8 Key Backlight Trouble Test Point ...
Страница 63: ...63 Circuit Diagram ...
Страница 65: ...65 4 9 LCM Backlight Trouble Test Point Circuit Diagram ...
Страница 67: ...67 4 10 LCM Trouble Test Point Circuit Diagram Checking Flow ...
Страница 69: ...69 4 11 Microphone Trouble Test Point Circuit Diagram Checking Flow ...
Страница 70: ...70 4 12 Receiver Trouble ...
Страница 71: ...71 Test Point Circuit Diagram Checking Flow ...
Страница 73: ...73 Test Point Circuit Diagram Checking Flow TP6 TP5 TP2 TP3 TP4 TP1 ...
Страница 75: ...75 Test Point Circuit Diagram ...
Страница 76: ...76 Checking Flow TP1 TP2 ...
Страница 79: ...79 Test Point Circuit Diagram Checking Flow ...
Страница 81: ...81 Test Point ...
Страница 82: ...82 Circuit Diagram ...
Страница 86: ...86 5 DOWNLOAD 5 1 Download Setup ...
Страница 91: ...91 6 BLOCK DIAGRAM ...
Страница 92: ...92 ...
Страница 93: ...93 ...
Страница 94: ...94 ...
Страница 95: ...95 ...
Страница 96: ...96 ...
Страница 97: ...97 ...
Страница 98: ...98 8 BGA IC PIN Check BGA PIN Check of main chip Bottom view Use U101 Main chip PMB7880 Not Use EUSY0317401 ...
Страница 99: ...99 BGA PIN Check of Memory Top View Use U201 Memory S71GL032N40BFW0P Not Use EUSY0328002 ...
Страница 100: ...100 9 PCB LAYOUT ...
Страница 105: ...105 11 Calibration 11 1 Test equipment setup 11 2 Calibration Steps Execute HK_36 exe ...
Страница 107: ...107 Select MODEL Click START for RF calibration RF Calibration finish ...
Страница 109: ...109 12 1 4 Press power on key then click V24AT ON and then Update Info for communicating Phone and Test Program ...
Страница 113: ...113 13 EXPLODED VIEW REPLACEMENT PART LIST 13 1 Exploded View GB107 ...
Страница 114: ...114 ...