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 GB130kf750
Page 12: ...12 3 TECHNICAL BRIEF 3 1Digital Main Processor Figure 3 1 PMB7890 FUNCTIONAL BLOCK DIAGRAM ...
Page 28: ...28 ...
Page 29: ...29 Pin Description ...
Page 35: ...35 Circuit Diagram TP1 TP6 TP2 TP4 TP 3 TP5 ...
Page 36: ...36 Checking Flow ...
Page 37: ...37 4 2 SIM Card Trouble Test Point Circuit Diagram ...
Page 38: ...38 Checking Flow ...
Page 39: ...39 4 3 Vibrator Trouble Test Point Circuit Diagram ...
Page 40: ...40 Checking Flow NG ...
Page 41: ...41 4 4 Keypad Trouble Test Point ...
Page 42: ...42 Circuit Diagram ...
Page 43: ...43 ...
Page 44: ...44 Checking Flow ...
Page 45: ...45 4 5 RTC Trouble Test Point Circuit Diagram ...
Page 46: ...46 Checking Flow ...
Page 47: ...47 4 6 Key Backlight Trouble 4 6 1 Main Key Board LED ...
Page 48: ...48 Circuit Diagram Checking Flow ...
Page 49: ...49 4 6 2 Upper Key Board LED Circuit Diagram TP1 ...
Page 50: ...50 Checking Flow ...
Page 51: ...51 4 7 LCM Backlight Trouble Test Point Circuit Diagram ...
Page 52: ...52 Checking Flow ...
Page 53: ...53 4 8 LCM Trouble Test Point Circuit Diagram ...
Page 54: ...54 Checking Flow ...
Page 55: ...55 4 9 Microphone Trouble Test Point Circuit Diagram TP1 ...
Page 56: ...56 Checking Flow ...
Page 57: ...57 4 10 Receiver Trouble Test Point ...
Page 58: ...58 Circuit Diagram ...
Page 59: ...59 Checking Flow ...
Page 60: ...60 4 11Speaker Trouble Test Point ...
Page 61: ...61 Circuit Diagram ...
Page 62: ...62 Checking Flow ...
Page 63: ...63 4 12 Headphone Trouble Test Point Circuit Diagram ...
Page 64: ...64 ...
Page 65: ...65 Checking Flow ...
Page 66: ...66 ...
Page 67: ...67 4 13 Charging Trouble Test Point Circuit Diagram TP1 TP4 TP3 TP5 TP2 ...
Page 68: ...68 Checking Flow ...
Page 69: ...69 4 14 FM Radio Trouble Test Point ...
Page 70: ...70 Circuit Diagram ...
Page 71: ...71 Checking Flow ...
Page 72: ...72 ...
Page 74: ...74 RF Trouble TEST POINT ...
Page 76: ...76 ...
Page 77: ...77 RX Trouble TEST POINT ...
Page 78: ...78 CIRCUIT TP5 TP6 TP3 TP4 TP1 TP2 ...
Page 79: ...79 CHECKING FLOW ...
Page 80: ...80 TEST POINT CIRCUIT TP1 TP2 TP5 TP6 TP3 TP4 TP2 TP1 ...
Page 81: ...81 WAVE FORM CHECKING FLOW Replace X301 ...
Page 82: ...82 TX Trouble TEST POINT ...
Page 83: ...83 CIRCUIT WAVE FORM TP5 TP6 TP3 TP4 TP2 TP1 ...
Page 84: ...84 TEST POINT ...
Page 85: ...85 CHECKING FLOW ...
Page 86: ...86 Signal configuration CHECKING FLOW ...
Page 87: ...87 TROUBLE SHOOTING TEST POINT CIRCUIT TP5 TP6 TP3 TP4 TP1 TP2 ...
Page 88: ...88 WAVE FORM ...
Page 89: ...89 CHECKING FLOW ...
Page 90: ...90 5 DOWNLOAD 5 1 Download Setup ...
Page 100: ...100 3 DownLoad Fail If download fail that it will show red and display progress in log window ...
Page 101: ...101 Fig 2 DownLoad success DownLoad Pass will display green color ...
Page 102: ...102 6 BLOCK DIAGRAM ...
Page 103: ...103 7 CIRCUIT DIAGRMA ...
Page 104: ...104 ...
Page 105: ...105 ...
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Page 107: ...107 ...
Page 108: ...108 ...
Page 109: ...109 ...
Page 110: ...110 ...
Page 111: ...111 ...
Page 112: ...112 8 BGA IC PIN Check 8 1 BGA PIN Check of MCU PMB7890 BGA use BGA non use ...
Page 113: ...113 8 2 BGA PIN Check of Memory S71GL064NA0BFW0Z0 BGA use BGA non use ...
Page 137: ...137 13 EXPLODED VIEW REPLACEMENT PART LIST 13 1 EXPLODED VIEW ...
Page 138: ...138 Ass y exploded view ...