Motorola C23 Series Service Manual
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Motorola C23 Series Service Manual

Motorola C23 Series Service Manual

Gsm 900/1800 mhz & gprs technologies
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Level 1 and 2 Service Manual
Product Family C23
Wireless Telephone
V70
GSM 900/1800 MHz & GPRS Technologies

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Summary of Contents for Motorola C23 Series

  • Page 1 Level 1 and 2 Service Manual Product Family C23 Wireless Telephone GSM 900/1800 MHz & GPRS Technologies...

  • Page 3: Table Of Contents

    1 and 2 6881039B25 Level 1 and 2 Service Manual Table of Contents Table of Contents Table of Contents Introduction ................1 Product Identification .
  • Page 4 1 and 2 6881039B25 Table of Contents Product Family C23 Table of Contents January 08, 2002 6881039B25...

  • Page 5: Introduction

    Available on a contract basis, Motorola Inc. offers comprehensive maintenance and installation programs which enable customers to meet requirements for reliable, continuous communications. To learn more about the wide range of Motorola service programs, contact your local Motorola products representative or the nearest Customer Service Manager. Product Identification Motorola products are identified by the model number on the housing.

  • Page 6: Computer Program Copyrights

    The Motorola products described in this manual may include Motorola computer programs stored in semiconductor memories or other media that are copyrighted with all rights reserved worldwide to Motorola. Laws in the United States and other countries preserve for Motorola, Inc. certain exclusive rights to the copyrighted...

  • Page 7: Warranty Service Policy

    Customer’s original units will be repaired but not refurbished as standard. Appoint- ed Motorola Service Hubs will perform warranty and non-warranty field service for level 2 (assemblies) and level 3 (limited PCB component). The Motorola HTC centers will perform level 4 (full component) repairs.

  • Page 8: Parts Replacement

    When ordering crystals or channel elements, specify the Motorola part number, description, crystal frequency, and operating frequency desired. When the Motorola part number of a component is not known, use the product model number or other related major assembly along with a description of the related major assembly and of the component in question.

  • Page 9: Specifications

    Level 1 and 2 Service Manual Specifications Specifications Table 1. Specifications General Function Specification 880-915 MHz Tx (with EGSM) Frequency Range GSM 925-960 MHZ Rx 1710-1785 MHz Tx Frequency Range DCS 1805-1880 MHz Rx Channel Spacing 200 kHz 174 EGSM, 374 DCS carriers with 8 ch. Channels per carrier Modulation...
  • Page 10 Specifications Product Family C23 Speech Coding Function Specification Regular pulse excitation / linear predictive coding Speech Coding Type with long term prediction (RPE LPC with LTP) Bit Rate 13.0 kbps Frame Duration 20 ms Block Length 260 bits Classes Class 1 bits = 182 bits; Class 2 bits = 78 bits Bit Rate with FEC Encoding 22.8 kbps January 08, 2002...

  • Page 11: Product Overview

    Level 1 and 2 Service Manual Product Overview Product Overview Motorola PF C23 mobile telephones feature global system for mobile communica- tions (GSM) air interface, general packet radio service (GPRS) transport technology, and wireless application protocol (WAP) Internet browser. PF C23 telephones...
  • Page 12 Product Overview Product Family C23 • 96 X 64 pixel inverse graphical display with 3 lines of English text, 1 line of icons, and one line of prompts • Display zoom • Display animation • VibraCall® vibrating alert • Downloadable ring tones •...
  • Page 13 Level 1 and 2 Service Manual Product Overview If the user receives a call while in browser mode, the browser will pause and allow the user to resume after completing the call. Simplified Text Entry Using iTAP™ predictive text entry, pressing a key generates a character and a dynamic dictionary uses this to build and display a set of word or name options.

  • Page 14: General Operation

    General Operation Product Family C23 General Operation Controls, Indicators, and Input / Output (I/O) Connectors The PF C23 telephone’s controls are located on the front and side of the device, and on the keyboard as shown in Figure 1. Indicators, in the form of icons, are displayed on the LCD (see Figure 2).
  • Page 15 Level 1 and 2 Service Manual General Operation Display animation makes the phone’s icon menu move smoothly as the user scrolls up and down. Whether a phone displays all indicators depends on the programming and services to which the user subscribes. Figure 2 shows some common icons displayed on the LCD.

  • Page 16: User Interface Menu Structure

    In addition to 11 preset ring tones, PF C23 telephones allow the user to download 2 additional ring tones via SMS. (Availability is carrier and network dependant). Motorola PF C23 phones incorporate the VibraCall® discreet vibrating alert that helps to avoid disturbing others when a ringing phone is unacceptable.

  • Page 17: Battery Function

    Level 1 and 2 Service Manual General Operation Battery Function Battery Charge Indicator The telephone displays a battery charge indicator icon in the idle screen to indicate the battery charge level. The gauge shows four levels: 100%, 66%, 33%, and Low Battery.
  • Page 18 General Operation Product Family C23 January 08, 2002 6881039B25...

  • Page 19: Tools And Test Equipment

    Used to measure battery voltage 1. To order in North America, contact Motorola Aftermarket and Accessories Division (AAD) by phone at (800) 422-4210 or FAX (800) 622-6210; Internationally, AAD can be reached by calling (847) 538-8023 or faxing (847) 576-3023.

  • Page 20: Disassembly

    Disassembly Product Family C23 Disassembly The procedures in this section provide instructions for the disassembly of a PF C23 telephone. Tools and equipment used are listed in Table 2, preceding. Many of the integrated devices used in this equipment are vulnerable to damage from electrostatic discharge (ESD).
  • Page 21 Level 1 and 2 Service Manual Disassembly While holding the battery cover release depressed, slide the battery cover release, slide the battery cover in the direction of the arrow, and lift completely off the phone (see Figure 4). BATTERY COVER BATTERY COVER RELEASE 011098-o...
  • Page 22 Disassembly Product Family C23 Remove the battery by lifting its top end from the battery compartment and sliding it up and away from the compartment as shown in Figure 5. There is a danger of explosion if the Lithium ion battery is replaced incorrectly. Replace only with the same type of battery or equivalent as recommended by the battery manufacturer.

  • Page 23: Removing And Replacing The Subscriber Identity Module (Sim)

    Level 1 and 2 Service Manual Disassembly Removing and Replacing the Subscriber Identity Module (SIM) Remove the battery cover and battery as described in the procedures. Remove the SIM by sliding it in the direction of the arrow as shown in Figure 6. 011099-o Figure 6.

  • Page 24: Removing And Replacing The Rear Housing Cover

    Disassembly Product Family C23 Removing and Replacing the Rear Housing Cover Remove the battery cover, battery, and SIM as described in the procedures. Using the Torx driver and T-6 bit, remove the 2 screws shown in Figure 7. Set the screws aside for reuse. Slide the rear housing cover away from the unit and over the antenna until clear of the phone as shown in Figure 7.

  • Page 25: Removing And Replacing The Rear Transceiver Housing

    Level 1 and 2 Service Manual Disassembly Removing and Replacing the Rear Transceiver Housing Remove the battery cover, battery, SIM, and rear housing cover as described in the procedures. Using the Torx driver and a T-6 bit, remove the two screws that secure the rear housing to the rear housing as shown in Figure 8.

  • Page 26: Removing And Replacing The Antenna

    Disassembly Product Family C23 Removing and Replacing the Antenna Remove the battery cover, and battery as described in the procedures. Holding the rear housing in one hand, unscrew the antenna bushing from the rear housing by turning the antenna bushing in a counter-clockwise direction until the antenna and bushing are clear of the housing as shown in Figure 9.

  • Page 27: Removing And Replacing The Transceiver Board Assembly

    Level 1 and 2 Service Manual Disassembly Removing and Replacing the Transceiver Board Assembly Remove the battery cover, battery, SIM, rear housing cover, and rear trans- ceiver housing as described in the procedures. This product contains static-sensitive devices. Use anti-static handling procedures to prevent electrostatic discharge (ESD) and component damage.

  • Page 28: Removing And Replacing The Daughter Pc Board

    Disassembly Product Family C23 Removing and Replacing the Daughter PC Board Remove the battery cover, battery, SIM, rear housing cover, rear transceiver housing, and transceiver board as described in the procedures. This product contains static-sensitive devices. Use anti-static handling procedures to prevent electrostatic discharge (ESD) and component damage.

  • Page 29: Removing And Replacing The Real Time Clock Battery

    Level 1 and 2 Service Manual Disassembly Removing and Replacing the Real Time Clock Battery Remove the battery cover, battery, SIM, rear housing cover, rear transceiver housing, transceiver board, and daughter PC board as described in the proce- dures. This product contains static-sensitive devices. Use anti-static handling procedures to prevent electrostatic discharge (ESD) and component damage.

  • Page 30: Removing And Replacing The Keypad

    Disassembly Product Family C23 Removing and Replacing the Keypad Remove the battery cover, battery, SIM, rear housing cover, rear transceiver housing, and transceiver board as described in the procedures. Using the tweezers, lift the keypad away from the front transceiver housing as shown in Figure 13.
  • Page 31 Level 1 and 2 Service Manual Disassembly Using the disassembly tool, gently lift the keypad PCB assembly out of its socket on the transceiver board assembly as shown in Figure 14. KEYBPAD PCB TRANSCEIVER BOARD DISSASSEMBLY TOOL 011104-o Figure 14. Removing Keypad PCB Assembly To replace, align the Keypad PCB assembly with its socket on the transceiver board.

  • Page 32: Removing And Replacing The Ring Bezel Assembly

    Disassembly Product Family C23 Removing and Replacing the Ring Bezel Assembly Remove the battery cover, battery, SIM, and transceiver board assembly as described in the procedures. Using the flat end of the disassembly tool, turn the ring bezel assembly a few millimeters in a counter-clockwise direction as shown in Figure 15.

  • Page 33: Removing And Replacing The Display Module

    Level 1 and 2 Service Manual Disassembly Removing and Replacing the Display Module The flexible printed cable (FPC or flex) connecting the display module to the transceiver board is easily damaged. Exercise extreme care when handling. Remove the battery cover, battery, SIM, rear housing cover, rear transceiver housing and transceiver board as described in the procedures.
  • Page 34 Disassembly Product Family C23 Using the flat end of the disassembly tool lift the display module from the transceiver board as shown in Figure 16. TRANSCEIVER BOARD DISASSEMBLY TOOL DISPLAY MODULE FLEX CONNECTOR DISASSEMBLY TOOL DISPLAY MODULE TRANSCEIVER BOARD MOUNTING TAB 011106-o Figure 16.
  • Page 35 Level 1 and 2 Service Manual Disassembly Replace the cover plate, transceiver board assembly, front cover, battery, and battery cover as described in the procedures. 6881039B25 January 08, 2002...

  • Page 36: Removing And Replacing The Microphone

    Disassembly Product Family C23 Removing and Replacing the Microphone Remove the battery cover, battery, rear housing cover, rear transceiver housing transceiver board, and keypad PCB assembly as described in the procedures. Using the flat end of the disassembly tool, carefully press the microphone out of the keypad assembly PCB as shown in Figure 17.

  • Page 37: Subscriber Identity Module (Sim) And Identification Label

    The Mechanical Serial Number (MSN) is an individual unit identity number and remains with the unit throughout its life. The MSN can be used to log and track a unit on Motorola's Service Center Database. The MSN is divided into 4 sections as shown in Figure 18.
  • Page 38 Subscriber Identity Module (SIM) and Identification Label Product Family C23 International Mobile Station Equipment Identity (IMEI) The International Mobile station Equipment Identity (IMEI) number is an individ- ual number unique to the PCB and is stored within the unit's memory. The following diagram illustrates the various parts of this number.

  • Page 39: Troubleshooting

    Troubleshooting Troubleshooting Manual Test Mode Motorola PF C23 telephones are equipped with a manual test mode capability. This allows service personnel to verify functionality and perform fault isolation by entering keypad commands. To enter the manual test command mode, a GSM / DCS test SIM must be used.
  • Page 40 Troubleshooting Product Family C23 Table 3. Manual Test Commands (Continued) Key Sequence Test Function/Name Remarks 5*0*8 Set audio level 8 5*0*9 Set audio level 9 5*0*10 Set audio level 10 5*0*11 Set audio level 11 5*0*12 Set audio level 12 5*0*13 Set audio level 13 5*0*14...

  • Page 41: Troubleshooting Chart

    Level 1 and 2 Service Manual Troubleshooting Troubleshooting Chart Table 4. PF C23 Telephone: Level 1 and 2 Troubleshooting Chart SYMPTOM PROBABLE CAUSE VERIFICATION AND REMEDY 1. Telephone will not turn on or stay on. a) Battery either discharged or Measure battery voltage across a 50 ohm (>1 defective.

  • Page 42: Programming: Software Upgrade And Flexing

    Troubleshooting Product Family C23 Table 4. PF C23 Telephone: Level 1 and 2 Troubleshooting Chart (Continued) SYMPTOM PROBABLE CAUSE VERIFICATION AND REMEDY b) Earpiece speaker defective. Temporarily replace the speaker assembly with a known good assembly. Ensure good connection. Place a call and verify improvement in earpiece audio.

  • Page 43: Part Number Charts

    Level 1 and 2 Service Manual Part Number Charts Part Number Charts The following charts are provided as a reference for the parts associated with PF C23 telephones. Related Publications Motorola V70 Wireless Phone User Guide (Complex Chinese) 6809437A60 6881039B25 January 08, 2002...

  • Page 44: Exploded View Diagram

    Part Number Charts Product Family C23 Exploded View Diagram 010973o Figure 20. Exploded View Diagram January 08, 2002 6881039B25...

  • Page 45: Exploded View Parts List

    Level 1 and 2 Service Manual Part Number Charts Exploded View Parts List Table 5. Exploded View Parts List Item Motorola Part Item Motorola Part Description Description Number Number Number Number 3889291L01 Ring Bezel & Keys See Table 6 Battery...

  • Page 46: Model-Specific Part Numbers

    Part Number Charts Product Family C23 Model-Specific Part Numbers Table 6. Model-Specific Part Numbers Item Part Description Part Number Number Blade assembly/Front transceiver housing, white, English SHN8107 Blade assembly/Front transceiver housing, dark blue, English SHN8108 Blade assembly/Front transceiver housing, light blue, English SHN8109 Blade assembly/Front transceiver housing, white, PRC, simple Chinese SHN8113...

  • Page 47: Accessories

    Level 1 and 2 Service Manual Part Number Charts Accessories Table 7. List of Accessories Description Part Number Battery, 400 mAh Li Polymer SNN5640 Battery 700 mAh Li Polymer SNN5650 Travel Charger, Linear Wall Charger SPN4808 Travel Charger, Linear Wall Charger, China SPN4742 Travel Charger, Linear Wall Charger, Euro SPN4734...
  • Page 48 Part Number Charts Product Family C23 January 08, 2002 6881039B25...

  • Page 49: Index

    1 and 2 Index Level 1 and 2 Service Manual Index 6881039B25 Index identification international mobile station equipment identity 34 mechanical serial number 33 alert settings 12 product 1 antenna, removing and replacing 22 identification, labels 33 IMEI 34 Introduction 1 battery charge indicator 13 function 13...
  • Page 50 Index Product Family C23 operations microphone 32 icons Real Time Clock Battery 25 Battery Level Indicator 11 rear housing cover 20 overview, product 7 rear transceiver housing 21 SIM 19 transceiver board 23 revisions parts service manual 3 exploded view diagram 40 exploded view parts list 41 model-specific part numbers 42 replacement parts 39...
  • Page 52 MOTOROLA, the Stylized M Logo, and all other trademarks indicated as such herein are trademarks of Motorola, Inc Truesync is a trademark of Starfish Software, Inc.. ® Reg. U.S. Pat. & Tm. Off. ã 2002 Motorola, Inc. All rights reserved.

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V70Pf c23

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