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Training of C339 Repair (Level 1)

Training of C339 Repair (Level 1). ZTE Corporation. Course Edition. Product Summary Function Test Software Download Disassembly Flow Composing Block Diagram Basic component distribution Test points Troubleshooting Flow chart (Level 1) Question. Content s. 1.Product Summary.

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Training of C339 Repair (Level 1)

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  1. Training of C339 Repair(Level 1) ZTE Corporation

  2. Course Edition

  3. Product Summary Function Test Software Download Disassembly Flow Composing Block Diagram Basic component distribution Test points Troubleshooting Flow chart (Level 1) Question Contents

  4. 1.Product Summary Standard Configuration

  5. 1.Product Summary Specifications: • Network: CDMA • Frequency range: TX 825-835MHz; RX 870-880MHz • Dimension: 104*46*14mm • Weight: 70g (battery included) • LCD: CSTN, 65K colors, 128*128 dots • Memory: 64Mbit Flash, 16Mbit SRAM • Battery capacity: 670mAh • Continuous talk time: >160 hrs • Continuous standby time: >160 min

  6. 1.Product Summary Main functions: • Phone book: 200 pieces • 32 polyphone tones; 20 ring tones for incoming call, 6 ring tones for short message • Memorize the latest 40 out call number • Memorize the latest 40 incoming call number • Support language: Chinese/English • Short message: 100 for inbox/outbox • Other: calculator, game, alarm clock, stopwatch

  7. 1.Product Summary

  8. 2.Function Test Check version : *983*837# Check ESN NO. : *#06# Function test: *983*0# • Input *983*0# to activate the function test mode, and the handset will do LCD test → ring tone test→ vibration test→ keypad test→ audio loop→ earphone test automatically .

  9. 3. Software Download Note: The handset logos vary from country to country. We take one model of C339 handset as an example in this document (for reference only)

  10. 3. Software Download Note: Each handset to be repaired should be upgraded to the latest version Materiel name of data cable: C350/C310 download data cable Material code of download data cable: ISO13032 Driver: R52&VX USB driver

  11. 3. Software Download • Click ‘Next’ button.

  12. 3. Software Download • Click ‘Finish’ button.

  13. 3. Software Download • After connecting with data cable, enter device manager and check the port. • Path: My Computer→Computer Management→Device Manager→Ports

  14. 3. Software Download • Install the download platform:DL_QSC6010V1.00.05setup. • After install download platform, double-click shortcut icon . • Double-click the shortcut icon.

  15. 3. Software Download • Main interface. • Click Browse

  16. 3. Software Download • Select the correct version, and then click Open

  17. 3. Software Download • Select correct port (connect the data cable and handset, the software version of the handset will appear on the platform automatically), and click Start .

  18. 3. Software Download • Downloading.

  19. 3. Software Download • Download successfully.

  20. 4.Disassembly Flow Note: The handset logos vary from country to country. We take one model of C339 handset as an example in this document (for reference only)

  21. 4.Disassembly Flow Exploded View

  22. 4.Disassembly Flow Exploded View

  23. 4.Disassembly Flow Disassembly Flow

  24. 4.Disassembly Flow Disassembly tools.

  25. 4.Disassembly Flow • Take out the battery.

  26. 4.Disassembly Flow • Screw off the four screws with screwdriver.

  27. 4.Disassembly Flow • Dismantle the front cover and back cover with dismantle housing tool.

  28. 4.Disassembly Flow • Pay attention to the positions of the locks.

  29. 4.Disassembly Flow • The disassembled front/back covers. (the MIC should connect well with its contact during assembly)

  30. 4.Disassembly Flow • Take out the MIC with tweezers.

  31. 4.Disassembly Flow • Screw off the two screws with screwdriver. • Loosen the two locks to disassemble the front cover and mainboard

  32. 4.Disassembly Flow • The disassembled front cover and mainboard (the receiver should connect well with its contacts during assembly).

  33. 4.Disassembly Flow • Pay attention to the right installation positions of motor/speaker. • Disassemble the motor and speaker with tweezers.

  34. 4.Disassembly Flow • Loosen the two locks to disassemble the mainboard and the internal antenna

  35. 4.Disassembly Flow • The disassembled inner antenna/mainboard. (the antenna should connect well with its contact during assembly

  36. 5.Composing

  37. 6. Block Diagram

  38. 7. Basic Component Distribution • Top distribution of mainboard.

  39. 7. Basic Component Distribution • Bottom distribution of mainboard.

  40. 9. Troubleshooting Flow Chart Troubleshooting Flow Chart (Level 1)

  41. Switching on failure

  42. Hang

  43. Automatically switching off

  44. Charging failure

  45. Card unidentified

  46. No transmitted voice

  47. No Received Voice

  48. No ringing tone

  49. Vibration failure

  50. Key-press failure

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