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MC155
Service Manual
2011-1-21
MC155 Service Manual V1.0

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Summary of Contents for FLY MC155

  • Page 1 MC155 Service Manual 2011-1-21 MC155 Service Manual V1.0...
  • Page 2 1. Main features ★ Bar type ★ Music Phone ★ 2M Camera ★ MMS/WAP/Email/JAVA 2. Size: 110.6*46.8*12.8mm MC155 Service Manual V1.0...
  • Page 3: Table Of Contents

    Chapter 4 ACTUALL BOARD SIDE A SIDE B Chapter 5 TROUBLESHOOTING Attentions for dealing with troubles Common troubles 1. Abnormal receiving signal & sending signal 2. Unable to power on 3. LCD issue 4. Keypad no function MC155 Service Manual V1.0...
  • Page 4 10. Check the soldering joints of the parts concerned with regard to the fault symptom. And resolder them if necessary. 11. Remove excess soldering flux after repair. 12. Observe the torque requirements when assembling the unit. 13. Please aware that some malfunctions may be software related and solved by an update MC155 Service Manual V1.0...
  • Page 5 Chapter 1 EXPLODED VIEW AND DISASSEMBLY/ASSEMBLY EXPLODED VIEW MC155 Service Manual V1.0...
  • Page 6: Disassembly And Assembly

    DISASSEMBLY AND ASSEMBLY SERVICE TOOLS Heater Iron Multimeter Microscope Multimeter Multimeter MC155 Service Manual V1.0...
  • Page 7 Temperature heater Solder wire, soldering paste Wrist grounding strap and gloves Screws and other tools Plate MC155 Service Manual V1.0...
  • Page 8: Disassembly

    Disassembly and assembly Disassembly MC155 Service Manual V1.0...
  • Page 9: Assembly

    Assembly MC155 Service Manual V1.0...
  • Page 10 MC155 Service Manual V1.0...
  • Page 11: Chapter 2 System Block Diagram

    Chapter 2 SYSTEM BLOCK DIAGRAM 、 、 、 、 、 、 Chapter 3 MC155 Service Manual V1.0...
  • Page 12: Chapter 3 Instruction Of The Unit Circuit

    INSTRUCTION OF THE UNIT CIRCUIT Baseband: Memory interface SPANSION ADMUX MCP 256+64 FOR MC155 (Compatible design as TOSHIBA) MC155 Service Manual V1.0...
  • Page 13 YAMAHA YMU818B RF7166 MC155 Service Manual V1.0...
  • Page 14 BT: MT6612 FM: KT0812G MC155 Service Manual V1.0...
  • Page 15: Chapter 4 Actuall Board

    When there is no signal or weak signal on handset, then it means receiving signal of handset has problem. Firstly, we need to move out the antenna problem. Check assembly of antenna to make sure whether it is well connected or not: 1. antenna connecting points are well connected with PCB or MC155 Service Manual V1.0...
  • Page 16: Unable To Power On

    Normally keypad no function problem is caused by below: dirt on DOM, keypad position shifting, or loosing elasticity. Normally this kind of problem is on single key or some keys. If all keys have no function, please check CPU. But sometime it may due to elasticity problem of keypad. MC155 Service Manual V1.0...

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