Sony Ericsson K 320i Troubleshooting Manual, Mechanical
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Sony Ericsson K 320i Troubleshooting Manual, Mechanical

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Trouble Shooting Guide, Mechanical
Applicable for K320
Contents
1
General ...............................................................................................................2
1.1
Service functions in the software ...........................................................2
1.2
Misuse and other no warranty issues ....................................................3
2
Appearance Problems.......................................................................................6
3
Network/Signal Problems .................................................................................8
4
On/Off Problems ..............................................................................................11
5
Audio Problems ...............................................................................................13
6
Key Problems...................................................................................................17
7
Display Problems ............................................................................................20
8
Illumination Problems .....................................................................................21
9
Alert Problems .................................................................................................23
10
SIM Problems...................................................................................................25
11
Charging/Capacity Problems .........................................................................26
12
Camera Problems ............................................................................................28
13
Data Communication Problems .....................................................................29
14
Software Problems ..........................................................................................30
15
Revision History ..............................................................................................31
4/000 21-1/FEA 209 544/124 B
©
Company Internal
Sony Ericsson Mobile Communications AB
Trouble Shooting Guide, Mechanical

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Summary of Contents for Sony Ericsson K 320i

  • Page 1: Table Of Contents

    Display Problems ....................20 Illumination Problems ..................21 Alert Problems ....................23 SIM Problems....................25 Charging/Capacity Problems .................26 Camera Problems ....................28 Data Communication Problems ..............29 Software Problems ..................30 Revision History ....................31 4/000 21-1/FEA 209 544/124 B © Company Internal Sony Ericsson Mobile Communications AB...

  • Page 2: General

    Main display LED/illumination Keyboard Speaker Earphone Microphone Vibrator Camera Real time clock Total call time NOTE: Different names may occur depending on language setting and customization. 4/000 21-1/FEA 209 544/124 B 2(31) © Company Internal Sony Ericsson Mobile Communications AB...

  • Page 3: Misuse And Other No Warranty Issues

    Below are some examples of what is not covered by warranty. Front window broken LCD cracked due to Clear scratches Mark after drop Corrosion components due to misuse. drop. on the PCB. 4/000 21-1/FEA 209 544/124 B 3(31) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 4 In the phone there is placed a sticker that can give you a hint to see if the phone is damage by liquid or not. This sticker is located near the SIM reader (Fig. 1.2.1) and it is possible to see it without disassemble the phone. 4/000 21-1/FEA 209 544/124 B 4(31) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 5 Make a general visual inspection for misuse, corrosion or oxidation from liquid damage. No further action should be taken for a liquid damaged phone. Handle the unit according to local directives. 4/000 21-1/FEA 209 544/124 B 5(31) © Company Internal Sony Ericsson Mobile Communications AB...

  • Page 6: Appearance Problems

    If dirty – Clean parts as necessary. • If unacceptably scratched or damaged – Replace damaged parts as necessary. NOTE: Misuse is not covered by warranty. Refer to chapter 1.2 4/000 21-1/FEA 209 544/124 B 6(31) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 7 Trouble Shooting Guide, Mechanical Problem Area Items to Check Repair Action Reference Image Visually inspect for improper gap • Reassemble or replace damaged parts between seams as necessary. 4/000 21-1/FEA 209 544/124 B 7(31) © Company Internal Sony Ericsson Mobile Communications AB...

  • Page 8: Network/Signal Problems

    If damaged – Send to an electrical repair location. Visually inspect antenna contact pads • If dirty or oxidized – Clean the pads and replace the frame (B cover). 4/000 21-1/FEA 209 544/124 B 8(31) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 9 (B cover). • If damaged – Replace the frame (B cover). • If the issue has not been resolved ! Handle the unit according to local directives. 4/000 21-1/FEA 209 544/124 B 9(31) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 10 Note: Be gently it might damage the connector. • If the issue has not been resolved ! Handle the unit according to local directives. 4/000 21-1/FEA 209 544/124 B 10(31) © Company Internal Sony Ericsson Mobile Communications AB...

  • Page 11: On/Off Problems

    If dirty or oxidized – Clean it. Note: Be gentle do not bend or damage the gold surface on connector pin’s • If damaged – Send to an electrical repair location. 4/000 21-1/FEA 209 544/124 B 11(31) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 12 Visually inspect the power key • If damaged – Replace it. If the issue has not been resolved ! • Handle the unit according to local directives. 4/000 21-1/FEA 209 544/124 B 12(31) © Company Internal Sony Ericsson Mobile Communications AB...

  • Page 13: Audio Problems

    If the issue has not been resolved ! Handle the unit according to local directives. • Receiver: Before proceeding ! Perform a flash upgrade and a setting reset. No sound or poor 4/000 21-1/FEA 209 544/124 B 13(31) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 14 If damaged – replace it. • Visually inspect the pogo pins If missing or damaged – Replace them. If the issue has not been resolved ! • Replace receiver. 4/000 21-1/FEA 209 544/124 B 14(31) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 15 Visually inspect speaker’s external port • If clogged – Clean it. • Visually inspect the speaker’s dust If dirty or damaged – frame (B cover). cloth 4/000 21-1/FEA 209 544/124 B 15(31) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 16 If the issue has not been resolved ! • Replace loudspeaker. If the issue has not been resolved ! • Handle the unit according to local directives. 4/000 21-1/FEA 209 544/124 B 16(31) © Company Internal Sony Ericsson Mobile Communications AB...

  • Page 17: Key Problems

    • If damaged - Replace keypad and/or damage to the keypad and the dome keyboard is not dome sheet as necessary. sheet. functioning or is intermittent 4/000 21-1/FEA 209 544/124 B 17(31) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 18 Replace the dome sheet, if it has not already been replaced. If the issue has not been resolved ! • Handle the unit according to local directives. 4/000 21-1/FEA 209 544/124 B 18(31) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 19 Visually inspect for damage to the side • If damaged - Replace keys as keys necessary. If the issue has not been resolved ! • Handle the unit according to local directives. 4/000 21-1/FEA 209 544/124 B 19(31) © Company Internal Sony Ericsson Mobile Communications AB...

  • Page 20: Display Problems

    If improperly connected – Re-establish film is properly connected to its proper connection. connector on the PCB If the issue has not been resolved ! • Replace the LCD. 4/000 21-1/FEA 209 544/124 B 20(31) © Company Internal Sony Ericsson Mobile Communications AB...

  • Page 21: Illumination Problems

    If the issue has not been resolved ! Handle the unit according to local directives. Before proceeding ! • Perform a flash upgrade and a setting reset. 4/000 21-1/FEA 209 544/124 B 21(31) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 22 If issue has not been resolved ! • Replace the LCD. If the issue has not been resolved ! • Handle the unit according to local directives. 4/000 21-1/FEA 209 544/124 B 22(31) © Company Internal Sony Ericsson Mobile Communications AB...

  • Page 23: Alert Problems

    Before proceeding ! Perform a flash upgrade and a setting reset. No sound or poor quality sound Visually inspect speaker’s external port • If clogged – Clean it. 4/000 21-1/FEA 209 544/124 B 23(31) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 24 If damaged – replace it. • Visually inspect the pogo pins If missing or damaged – Replace them. If the issue has not been resolved ! • Replace loudspeaker. 4/000 21-1/FEA 209 544/124 B 24(31) © Company Internal Sony Ericsson Mobile Communications AB...

  • Page 25: Sim Problems

    (Insert correct carrier’s SIM is being used correct SIM) • If the issue has not been resolved ! Handle the unit according to local directives. 4/000 21-1/FEA 209 544/124 B 25(31) © Company Internal Sony Ericsson Mobile Communications AB...

  • Page 26: Charging/Capacity Problems

    Refer to chapter 1.2 • Visually inspect the battery connector If dirty or oxidized – Clean. • If damaged – Send to an electrical repair location. 4/000 21-1/FEA 209 544/124 B 26(31) © Company Internal Sony Ericsson Mobile Communications AB...
  • Page 27 If the issue has not been resolved ! • Replace battery. • If the issue has not been resolved ! Handle the unit according to local directives. 4/000 21-1/FEA 209 544/124 B 27(31) © Company Internal Sony Ericsson Mobile Communications AB...

  • Page 28: Camera Problems

    If the issue has not been resolved ! Replace camera. If the issue has not been resolved ! • Handle the unit according to local directives. 4/000 21-1/FEA 209 544/124 B 28(31) © Company Internal Sony Ericsson Mobile Communications AB...

  • Page 29: Data Communication Problems

    • If damaged – Replace it. If the issue has not been resolved ! • Handle the unit according to local directives. 4/000 21-1/FEA 209 544/124 B 29(31) © Company Internal Sony Ericsson Mobile Communications AB...

  • Page 30: Software Problems

    Note: Do a SW upgrade before sending the unit to a higher level. Do not scrap a phone that hasn’t been upgraded. If the failure still occurs, handle the unit according to the local directives. 4/000 21-1/FEA 209 544/124 B 30(31) © Company Internal Sony Ericsson Mobile Communications AB...

  • Page 31: Revision History

    Trouble Shooting Guide, Mechanical 15 Revision History Rev. Date Changes / Comments 2006-10-10 First release 2006-12-18 Chapter 13, Data Communication Problems, updated. 4/000 21-1/FEA 209 544/124 B 31(31) © Company Internal Sony Ericsson Mobile Communications AB...

This manual is also suitable for:

K 320

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