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Information and Communication Mobile
Mobile Phones
M55/M56
Level 2.5
Repair Documentation
V 1.0
1
V 1.0
ICM MP CCQ GRM
Page
of 28
Company Confidential
M55/M56
05/03
Copyright 2003© Siemens AG

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Table of Contents

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   Summary of Contents for Siemens M55

  • Page 1 Information and Communication Mobile Mobile Phones M55/M56 Level 2.5 Repair Documentation V 1.0 V 1.0 ICM MP CCQ GRM Page of 28 Company Confidential M55/M56 05/03 Copyright 2003© Siemens AG...
  • Page 2: Table Of Contents

    I/O Connector (Slim Lumberg) ..................4 Battery Connector ......................8 Display Connector......................11 Antenna Connector ......................14 Card Reader ........................18 Board Connector......................21 Light-Night LEDS ......................25 V 1.0 ICM MP CCQ GRM Page of 28 Company Confidential M55/M56 05/03 Copyright 2003© Siemens AG...
  • Page 3: Introduction

    Information and Communication Mobile Mobile Phones 1 Introduction M55 product is a tripleband (GSM900, GSM1800 and GSM1900) handsets and the M56 is a dualband mobilphone (GSM850 and GSM1900). Partnumber on IMEI label: M55: S30880-S6300-#xxx M56: S30880-S7600-#xxx , while # may be any letter (A-Z) and xxx may be any number from 100, 101, 102..
  • Page 4: O Connector (slim Lumberg)

    2.2.2 Fault Symptoms on GSM Tester: This fault cannot be detected with a GSM-Tester 2.3 Priority: ¨ Mandatory þ Repair ¨ Optional ¨ Not Yet Defined V 1.0 ICM MP CCQ GRM Page of 28 Company Confidential M55/M56 05/03 Copyright 2003© Siemens AG...
  • Page 5 Resolder new I/O connector afterwards. 2.4.1.3 Repair by Software booting: Not possible! 2.4.1.4 Test: Retest handset after repair. 2.4.2 List of needed material: 2.4.2.1 Components: I/O Connector M55/M56 Part-Number: L36334-Z93-C303 2.4.2.2 Jigs and Tools: Hot Air Blower Soldering Iron V 1.0...
  • Page 6 2.4.2.3 Special tools: None 2.4.2.4 Working materials Desolder Wick / Braid Solder 2.4.3 Drawings Figure 1: M55/M56 board I/O connector Figure 2: M55/M56 I/O connector placement (top view) V 1.0 ICM MP CCQ GRM Page of 28 Company Confidential M55/M56 05/03 Copyright 2003©...
  • Page 7 Information and Communication Mobile Mobile Phones Table 1: M55/M56 Bottom Connector Pin Description Name IN/OUT Notes POWER POWER is needed for charging batteries and for supplying the accessories TX_1 Serial interface RX_1 Serial interface CTS_1 Data line for accessory bus...
  • Page 8: Battery Connector

    3.2.2 Fault Symptoms on GSM Tester: This fault cannot be detected with a GSM-Tester. 3.3 Priority: ¨ Mandatory þ Repair ¨ Optional ¨ Not Yet Defined V 1.0 ICM MP CCQ GRM Page of 28 Company Confidential M55/M56 05/03 Copyright 2003© Siemens AG...
  • Page 9 Resolder new Battery connector afterwards. 3.4.1.3 Repair by Software booting: Not possible! 3.4.1.4 Test: Retest handset after repair. 3.4.2 List of needed material: 3.4.2.1 Components: Battery Connector M55/M56 Part-Number: L36334-Z97-C213 3.4.2.2 Jigs and Tools: Hot Air Blower Soldering Iron V 1.0...
  • Page 10 3.4.2.3 Special tools: None 3.4.2.4 Working materials Desolder Wick / Braid Soldering Iron 3.4.3 Drawings Figure 1: M55/M56 board Battery connector Figure 2: M55/M56 Battery connector placement (top view) V 1.0 ICM MP CCQ GRM Page of 28 Company Confidential M55/M56 05/03 Copyright 2003©...
  • Page 11: Display Connector

    Display problems, like missing lines or columns on the LCD or display contrast problems. 4.2.2 Fault Symptoms on GSM Tester: Display tests failed. 4.3 Priority: ¨ Mandatory þ Repair ¨ Optional ¨ Not Yet Defined V 1.0 ICM MP CCQ GRM Page of 28 Company Confidential M55/M56 05/03 Copyright 2003© Siemens AG...
  • Page 12 Resolder new Display connector afterwards. 4.4.1.3 Repair by Software booting: Not possible! 4.4.1.4 Test: Retest handset after repair. 4.4.2 List of needed material: 4.4.2.1 Components: Display Connector M55/M56 Part-Number: L36334-Z97-C205 4.4.2.2 Jigs and Tools: Hot Air Blower Soldering Iron V 1.0...
  • Page 13 4.4.2.3 Special tools: None 4.4.2.4 Working materials Desolder Wick / Braid Soldering Iron 4.4.3 Drawings Figure 1: M55/M56 board Display connector Figure 2: M55/M56 Display connector placement (top view) V 1.0 ICM MP CCQ GRM Page of 28 Company Confidential M55/M56 05/03 Copyright 2003©...
  • Page 14: Antenna Connector

    RF plug the connection to the internal antenna is also opened. See drawing below. From Power To/From Amplifier/ Internal To Receiver Antenna V 1.0 ICM MP CCQ GRM Page of 28 Company Confidential M55/M56 05/03 Copyright 2003© Siemens AG...
  • Page 15 Avoid excessive heat! Watch surrounding components!! Resolder new module afterwards 5.4.1.3 Repair by Software booting: Not possible! 5.4.1.4 Test: Retest handset after repair. V 1.0 ICM MP CCQ GRM Page of 28 Company Confidential M55/M56 05/03 Copyright 2003© Siemens AG...
  • Page 16 Information and Communication Mobile Mobile Phones 5.4.2 List of needed material: 5.4.2.1 Components: Antenna Connector M55/M56 Part-Number: L36334-Z93-C272 5.4.2.2 Jigs and Tools: Hot Air Blower Soldering Iron 5.4.2.3 Special tools: None 5.4.2.4 Working materials Desolder Wick / Braid Soldering Iron V 1.0...
  • Page 17 Information and Communication Mobile Mobile Phones 5.4.3 Drawings Figure 1: M55/M56 board Antenna connector Figure 2: M55/M56 Antenna connector placement (top view) V 1.0 ICM MP CCQ GRM Page of 28 Company Confidential M55/M56 05/03 Copyright 2003© Siemens AG...
  • Page 18: Card Reader

    6.2.2 Fault Symptoms on GSM Tester: This fault cannot be detected with a GSM-Tester 6.3 Priority: ¨ Mandatory þ Repair ¨ Optional ¨ Not Yet Defined V 1.0 ICM MP CCQ GRM Page of 28 Company Confidential M55/M56 05/03 Copyright 2003© Siemens AG...
  • Page 19 Resolder new Card Reader afterwards. 6.4.1.3 Repair by Software booting: Not possible! 6.4.1.4 Test: Retest handset after repair. 6.4.2 List of needed material: 6.4.2.1 Components: Card Reader M55/M56 Part-Number: L36334-Z93-C204 6.4.2.2 Jigs and Tools: Hot Air Blower Soldering Iron V 1.0...
  • Page 20 6.4.2.3 Special tools: None 6.4.2.4 Working materials Desolder Wick / Braid Soldering Iron 6.4.3 Drawings Figure 1: M55/M56 board Card Reader site Figure 2: M55/M56 Card Reader placement (top view) V 1.0 ICM MP CCQ GRM Page of 28 Company Confidential M55/M56 05/03 Copyright 2003©...
  • Page 21: Board Connector

    7.2.2 Fault Symptoms on GSM Tester: This fault cannot be detected with a GSM Tester 7.3 Priority: ¨ Mandatory þ Repair ¨ Optional ¨ Not Yet Defined V 1.0 ICM MP CCQ GRM Page of 28 Company Confidential M55/M56 05/03 Copyright 2003© Siemens AG...
  • Page 22 Resolder new connector afterwards. 7.4.1.3 Repair by Software booting: Not possible! 7.4.1.4 Test: Retest handset after repair. 7.4.2 List of needed material: 7.4.2.1 Components: Board connector M55/M56 Part-Number: L36334-Z97-C162 V 1.0 ICM MP CCQ GRM Page of 28 Company Confidential...
  • Page 23 Mobile Phones 7.4.2.2 Jigs and Tools: Hot Air Blower Soldering Iron 7.4.2.3 Special tools: None 7.4.2.4 Working materials Desolder Wick / Braid Soldering Iron V 1.0 ICM MP CCQ GRM Page of 28 Company Confidential M55/M56 05/03 Copyright 2003© Siemens AG...
  • Page 24 Information and Communication Mobile Mobile Phones 7.4.3 Drawings Figure 1: M55/M56 board connector side Figure 2: M55/M56 board connector placement (top view) V 1.0 ICM MP CCQ GRM Page of 28 Company Confidential M55/M56 05/03 Copyright 2003© Siemens AG...
  • Page 25: Light-night Leds

    8.2.2 Fault Symptoms on GSM Tester: This fault cannot be detected with a GSM Tester 8.3 Priority: ¨ Mandatory þ Repair ¨ Optional ¨ Not Yet Defined V 1.0 ICM MP CCQ GRM Page of 28 Company Confidential M55/M56 05/03 Copyright 2003© Siemens AG...
  • Page 26: M55/m56

    Resolder new connector afterwards. 8.4.1.3 Repair by Software booting: Not possible! 8.4.1.4 Test: Retest handset after repair. 8.4.2 List of needed material: 8.4.2.1 Components: LIGHT NIGHT LEDS M55/M56 Part-Number: L36840-L2093-D670 V 1.0 ICM MP CCQ GRM Page of 28 Company Confidential...
  • Page 27: M55/m56

    Mobile Phones 8.4.2.2 Jigs and Tools: Hot Air Blower Soldering Iron 8.4.2.3 Special tools: None 8.4.2.4 Working materials Desolder Wick / Braid Soldering Iron V 1.0 ICM MP CCQ GRM Page of 28 Company Confidential M55/M56 05/03 Copyright 2003© Siemens AG...
  • Page 28 Information and Communication Mobile Mobile Phones 8.4.3 Drawings Figure 1: M55/M56 LIGHT NIGHT LEDS side Figure 2: M55/M56 LIGHT NIGHT LEDS placement (top view) V 1.0 ICM MP CCQ GRM Page of 28 Company Confidential M55/M56 05/03 Copyright 2003© Siemens AG...

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