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Working Instruction

Mechanical

 

 

3/000 21-1/FEA 209 544/122 A 
Company Internal 

©

 Sony Ericsson Mobile Communications AB 

14(62) 

 

2.1.4 Keypad 

Overview of inner part of phone. 

Remove 

keypad

 by using tweezers. 

  

 

  

 

Download free service manual at http://ponsel1.blogspot.com

Summary of Contents for K550c

Page 1: ...er 12 2 1 4 Keypad 14 2 1 5 PCBA 15 3 Replacements 16 3 1 Battery Cover 17 3 2 Speaker Cover 17 3 3 Front Cover 17 3 4 Keypad 17 3 5 PCBA 17 3 6 Back Cover 17 3 7 Co brand Label 18 3 8 RF Cap 20 3 9 Vibrator 21 3 10 Power Key 22 3 11 Volume Key 23 3 12 Music Key 25 3 13 Camera Key 27 3 14 Ear Speaker Receiver Tape 29 3 15 Ear Speaker Receiver 30 3 16 LCD 31 3 17 Frame 35 3 18 Dome Assy 37 3 19 Lou...

Page 2: ...62 3 24 Camera 46 3 25 Antenna 49 3 26 SIM Tape 51 3 27 Liquid Intrusion Indicator 52 3 28 KRH Label 53 4 Reassembly 54 4 1 Overview 55 4 1 1 PCBA 56 4 1 2 Keypad 57 4 1 3 Front Cover 58 4 1 4 Speaker Cover 59 4 1 5 Battery Battery Cover 60 5 Revision history 62 Download free service manual at http ponsel1 blogspot com ...

Page 3: ...Working Instruction Mechanical 3 000 21 1 FEA 209 544 122 A Company Internal Sony Ericsson Mobile Communications AB 3 62 1 Introduction 1 1 K550 Download free service manual at http ponsel1 blogspot com ...

Page 4: ...Working Instruction Mechanical 3 000 21 1 FEA 209 544 122 A Company Internal Sony Ericsson Mobile Communications AB 4 62 1 2 K550 Download free service manual at http ponsel1 blogspot com ...

Page 5: ...Tool NTZ 112 521 Flex film assembly tool NTZ 112 302 2 Front opening tool STANDARD TOOLS Standard tools have to be locally purchased Dentist hook ESD tweezers Guitar pick LABEL EQUIPMENT The following special equipment is required when replacing or installing a new label Hot air flow solder station Zebra printer connected to computer OTHER EQUIPMENT ESD wristband ESD gloves Isopropyl alcohol Air b...

Page 6: ...ARD AND THE M2 MEMORY CARD BEFORE STARTING THE DISASSEMBLY KEEP ALL CONTACT SURFACES CLEAN BE CAREFUL WHEN USING TOOLS LIKE THE DENTIST HOOK TWEEZERS OPENING TOOLS GUITAR PICK ETC TO AVOID SCRATCHES OR DAMAGES TO THE EXTERIOR AND INTERIOR PARTS OF THE PHONE BE CAREFUL NOT TO DAMAGE ANY CONTACT SPRINGS REMEMBER TO REMOVE THE PROTECTION FOILS ON NEW PARTS SUCH AS THE LCD NEVER TOUCH THE DISPLAY GLAS...

Page 7: ...acements the instruction of that section usually begins by directing you to this Disassembly section with a specification of the instructions you have to carry out in order to disassemble the phone as far as needed before returning to Replacements for the actual replacement Start Done REPLACEMENTS DISASSEMBLY REASSEMBLY Contents page Download free service manual at http ponsel1 blogspot com ...

Page 8: ...22 A Company Internal Sony Ericsson Mobile Communications AB 8 62 2 1 Overview The disassembly is done in the following order 1 Battery Cover a Battery b 2 Speaker Cover 3 Front Cover 4 Keypad 5 PCBA Download free service manual at http ponsel1 blogspot com ...

Page 9: ...over Battery Unlock the battery cover by opening the side locks in the direction showing in the picture Grip the battery cover at the bottom with fingers and then start lifting upwards from the phone Remove battery cover Raise the battery and remove from phone using Nylon pointer Download free service manual at http ponsel1 blogspot com ...

Page 10: ...on Mechanical 3 000 21 1 FEA 209 544 122 A Company Internal Sony Ericsson Mobile Communications AB 10 62 Battery Cover Battery continued Raise and remove battery Download free service manual at http ponsel1 blogspot com ...

Page 11: ... Ericsson Mobile Communications AB 11 62 2 1 2 Speaker Cover Insert guitar pick as shown in the picture Using guitar pick push speaker cover outwards from the phone Using finger lift speaker cover upwards as shown in picture Download free service manual at http ponsel1 blogspot com ...

Page 12: ... bit no 6 to remove these four screws Insert the guitar pick as shown in picture Slide the guitar pick along the bottom of the phone to unlatch snap hooks Slide guitar pick along the side of the phone then follow round to the other side of phone unlatching all snap hooks as shown in picture Download free service manual at http ponsel1 blogspot com ...

Page 13: ...21 1 FEA 209 544 122 A Company Internal Sony Ericsson Mobile Communications AB 13 62 Front Cover continued Grip at the bottom then lift front cover upwards from the top end of phone Download free service manual at http ponsel1 blogspot com ...

Page 14: ...cal 3 000 21 1 FEA 209 544 122 A Company Internal Sony Ericsson Mobile Communications AB 14 62 2 1 4 Keypad Overview of inner part of phone Remove keypad by using tweezers Download free service manual at http ponsel1 blogspot com ...

Page 15: ...son Mobile Communications AB 15 62 2 1 5 PCBA Use JCIS bit no to remove the screw Use the Nylon pointer and insert at the bottom and raise the PCBA upwards as shown in picture Grip at the side and lift the PCBA away from the phone Download free service manual at http ponsel1 blogspot com ...

Page 16: ...Disassembly section with a specification of the instructions you have to carry out in order to disassemble the phone as far as needed before the actual replacement Go back to this Replacements section and carry out the instruction The instruction usually ends by directing you to the Reassembly section with a specification of the instructions you have to carry out in order to reassemble the phone S...

Page 17: ...2 1 1 2 1 3 Disassembly instructions Prepare the new front cover Follow the 4 1 3 4 1 5 Reassembly instructions 3 4 Keypad Follow the 2 1 1 2 1 4 Disassembly instructions Prepare the new keypad Follow the 4 1 2 4 1 5 Reassembly instructions 3 5 PCBA Follow the 2 1 1 2 1 5 Disassembly instructions Prepare the new PCBA Follow the 4 1 1 4 1 5 Reassembly instructions 3 6 Back Cover Follow the 2 1 1 2 ...

Page 18: ...abel REMOVAL Use dentist hook to loosing the co brand label Lift co brand off with tweezers Remove any glue found in co brand area of the phone INSTALLATION 1 Position co brand into place using the corner as placement guide 2 Using tweezers place the co brand label onto the phone Download free service manual at http ponsel1 blogspot com ...

Page 19: ...00 21 1 FEA 209 544 122 A Company Internal Sony Ericsson Mobile Communications AB 19 62 Co brand Label continued Use fingers to secure the co brand label It should look like this Download free service manual at http ponsel1 blogspot com ...

Page 20: ...tions AB 20 62 3 8 RF Cap REMOVAL Follow the 2 1 1 Disassembly instructions Use dentist hook to remove RF Cap INSTALLATION Use nylon pointer to position the RF Cap back into place Check alignment of the RF Cap Follow the 4 1 5 Reassembly instructions Download free service manual at http ponsel1 blogspot com ...

Page 21: ...3 9 Vibrator REMOVAL Follow the 2 1 1 2 1 5 Disassembly instructions Remove with tweezers gripping the side avoiding metal contacts INSTALLATION Place the vibrator in the cavity Use nylon pointer to position into place Follow the 4 1 1 4 1 5 Reassembly instructions Download free service manual at http ponsel1 blogspot com ...

Page 22: ...mmunications AB 22 62 3 10 Power Key REMOVAL Follow the 2 1 1 2 1 5 Disassembly instructions Remove using tweezers INSTALLATION Position into place with tweezers Check placement with Nylon pointer Follow the 4 1 1 4 1 5 Reassembly instructions Download free service manual at http ponsel1 blogspot com ...

Page 23: ...on Mobile Communications AB 23 62 3 11 Volume Key REMOVAL Follow the 2 1 1 2 1 5 Disassembly instructions Overview picture Remove using tweezers INSTALLATION Overview picture 1 Place into position first 2 Position other side second Download free service manual at http ponsel1 blogspot com ...

Page 24: ... Sony Ericsson Mobile Communications AB 24 62 Volume Key continued 1 Check placement and secure using nylon pointer 2 Repeat same action for other side Should look like this Follow the 4 1 1 4 1 5 Reassembly instructions Download free service manual at http ponsel1 blogspot com ...

Page 25: ...AB 25 62 3 12 Music Key REMOVAL Follow the 2 1 1 2 1 5 Disassembly instructions Overview picture Remove using tweezers INSTALLATION Use Nylon pointer to position Music key 1 Check placement and secure using nylon pointer 2 Repeat same action for other side Download free service manual at http ponsel1 blogspot com ...

Page 26: ...struction Mechanical 3 000 21 1 FEA 209 544 122 A Company Internal Sony Ericsson Mobile Communications AB 26 62 Music Key continued Should look like this Download free service manual at http ponsel1 blogspot com ...

Page 27: ...son Mobile Communications AB 27 62 3 13 Camera Key REMOVAL Follow the 2 1 1 2 1 5 Disassembly instructions Overview picture Remove with tweezers INSTALLATION Overview picture 1 Place into position first 2 Position other side second Download free service manual at http ponsel1 blogspot com ...

Page 28: ...00 21 1 FEA 209 544 122 A Company Internal Sony Ericsson Mobile Communications AB 28 62 Camera Key continued Should look like this Follow the 4 1 1 4 1 5 Reassembly instructions Download free service manual at http ponsel1 blogspot com ...

Page 29: ... 3 14 Ear Speaker Receiver Tape REMOVAL Follow the 2 1 1 2 1 5 Disassembly instructions Remove with tweezers Overview picture INSTALLATION 1 Place into position first 2 Position other side second Should look like this Follow the 4 1 1 4 1 5 Reassembly instructions Download free service manual at http ponsel1 blogspot com ...

Page 30: ...instructions Follow the 3 15 Removal instructions Use tweezers and remove outwards from PCBA as shown in picture Lift away from the PCBA INSTALLATION 1 Place into position first 2 Position other side second Use nylon pointer to place into position Follow the 3 15 Installation instruction Follow the 4 1 1 4 1 5 Reassembly instructions Download free service manual at http ponsel1 blogspot com ...

Page 31: ...2 1 5 Disassembly instructions Insert front opening tool as shown in picture 1 Slide tool down then lift upwards at the bottom of dome assy 2 Lift upwards with side opening tool Lift dome assy upwards Lift over until dome assy is fully open as shown in position Be careful not to twist dome assy flex Download free service manual at http ponsel1 blogspot com ...

Page 32: ...s AB 32 62 LCD continued Lift connector release using side opening tool Lift LCD from frame using side opening tool as shown in picture Grip at both sides and remove LCD from frame DO NOT TOUCH LCD GLASS WINDOW INSTALLATION Insert LCD as shown in picture Download free service manual at http ponsel1 blogspot com ...

Page 33: ...ernal Sony Ericsson Mobile Communications AB 33 62 LCD continued Press to secure its position DO NOT TOUCH LCD GLASS WINDOW Connect the board to board connector Press on the top of board to board connector Like this Download free service manual at http ponsel1 blogspot com ...

Page 34: ...B 34 62 LCD continued 1 Fold over the dome assy into position 2 locate the alignment pin Use fingers to secure the dome assy s position alignment Check the alignment as shown in picture It should look like this Follow the 4 1 1 4 1 5 Reassembly instructions Download free service manual at http ponsel1 blogspot com ...

Page 35: ...ricsson Mobile Communications AB 35 62 3 17 Frame REMOVAL Follow the 2 1 1 2 1 5 Disassembly instructions Follow the 3 16 Removal instruction Overview picture Unlatch bottom snap hook Unlatch side snap hooks Then the other side Download free service manual at http ponsel1 blogspot com ...

Page 36: ...6 62 Frame continued Unlatch top snap hooks Lift off frame INSTALLATION 1 Fix into bottom position first 2 The lower top section second Use fingers to secure all snap hooks Follow the 3 16 Installation instruction Follow the 4 1 1 4 1 5 Reassembly instructions Download free service manual at http ponsel1 blogspot com ...

Page 37: ...ow the 2 1 1 2 1 5 Disassembly instructions Follow the 3 16 3 17 Removal instructions Use nylon pointer to unlatch board to board connector INSTALLATION Connect the board to board connector Like this Follow the 3 17 3 16 Installation instructions Follow the 4 1 1 4 1 5 Reassembly instructions Download free service manual at http ponsel1 blogspot com ...

Page 38: ...on Mobile Communications AB 38 62 3 19 Loudspeaker REMOVAL Follow the 2 1 1 2 1 5 Disassembly instructions Overview picture Use tweezers to unlock connector Lift up until connector is loose Use nylon pointer to unlatch loud speaker Download free service manual at http ponsel1 blogspot com ...

Page 39: ...AB 39 62 Loudspeaker continued Use flat tweezers to remove loud speaker INSTALLATION 1 Position first 2 Lower other end into position and secure Use tweezers to secure connector Press on top to secure connector Follow the 4 1 1 4 1 5 Reassembly instructions Download free service manual at http ponsel1 blogspot com ...

Page 40: ... AB 40 62 3 20 Flash LED BT Antenna Frame REMOVAL Follow the 2 1 1 2 1 5 Disassembly instructions Follow the 3 19 Removal instruction Overview picture 1 Unlatch snap hooks 2 lift frame upwards Then lift over the frame Use dentist hook to unlatch connector Download free service manual at http ponsel1 blogspot com ...

Page 41: ...ontinued Use flat tweezers to remove flex INSTALLATION Use flat tweezers to insert flex to connector Use nylon pointer to secure connector 1 Fix into position first 2 lower other side and secure snap hooks Follow the 3 19 Installation instruction Follow the 4 1 1 4 1 5 Reassembly instructions Download free service manual at http ponsel1 blogspot com ...

Page 42: ...1 1 2 1 5 Disassembly instructions Follow the 3 19 Removal instruction Remove Flash LED ROA with tweezers Overview picture INSTALLATION Take new Flash LED ROA and place onto Flash LED BT Frame Should look like this Follow the 3 19 Installation instruction Follow the 4 1 1 4 1 5 Reassembly instructions Download free service manual at http ponsel1 blogspot com ...

Page 43: ... 2 1 1 2 1 5 Disassembly instructions Follow the 3 19 Removal instruction Remove BT Antenna with tweezers Overview picture INSTALLATION Take new BT Antenna and place onto Flash LED BT Frame Should look like this Follow the 3 19 Installation instruction Follow the 4 1 1 4 1 5 Reassembly instructions Download free service manual at http ponsel1 blogspot com ...

Page 44: ...REMOVAL Follow the 2 1 1 2 1 5 Disassembly instructions Follow the 3 19 3 20Removal instructions Use dentist hook to loosen shield lid BB at each arrow point as shown in picture Then lift upwards slightly Pull shield can lid BB to avoid battery connector pins INSTALLATION Overview picture Download free service manual at http ponsel1 blogspot com ...

Page 45: ...cations AB 45 62 Shield Lid Main BB continued Position shield can lid BB avoiding battery pins Secure shield can lid BB as shown in picture Look like this Follow the 3 20 3 19 Installation instructions Follow the 4 1 1 4 1 5 Reassembly instructions Download free service manual at http ponsel1 blogspot com ...

Page 46: ...n Mobile Communications AB 46 62 3 24 Camera REMOVAL Follow the 2 1 1 2 1 5 Disassembly instructions Overview picture Use camera removal tool and lower into position Insert into camera socket as shown in picture Then press the lever Download free service manual at http ponsel1 blogspot com ...

Page 47: ...y Ericsson Mobile Communications AB 47 62 Camera continued Lift upwards holding the lever closed Camera overview picture Grip at side of camera and remove from tool INSTALLATION a Camera alignment pin b Socket alignment slot Download free service manual at http ponsel1 blogspot com ...

Page 48: ...le Communications AB 48 62 Camera continued Use flat tweezers to position camera Use fingers to secure at both corners DO NOT TOUCH THE LENS Repeat this action for other corners Look like this Follow the 4 1 1 4 1 5 Reassembly instructions Download free service manual at http ponsel1 blogspot com ...

Page 49: ...le Communications AB 49 62 3 25 Antenna REMOVAL Follow the 2 1 1 2 1 5 Disassembly instructions Overview picture Use nylon pointer to unlatch antenna snap hook Grip at both sides and remove as shown in picture INSTALLATION Overview picture Download free service manual at http ponsel1 blogspot com ...

Page 50: ...544 122 A Company Internal Sony Ericsson Mobile Communications AB 50 62 Antenna continued Insert as shown in picture Press on the bottom to secure Follow the 4 1 1 4 1 5 Reassembly instructions Download free service manual at http ponsel1 blogspot com ...

Page 51: ...ompany Internal Sony Ericsson Mobile Communications AB 51 62 3 26 SIM Tape PRE ASSEMBLY CHECK Follow the 2 1 1 2 1 5 Disassembly instructions Instruction text Follow the 4 1 1 4 1 5 Reassembly instructions Download free service manual at http ponsel1 blogspot com ...

Page 52: ...s located on the PCBA To get access to and to inspect the indicators Follow 2 1 1 2 1 5 Disassembly instructions REMOVAL Remove the activated liquid intrusion indicator with the dentist hook and the tweezers INSTALLATION Attach the new liquid intrusion indicator with the tweezers and the dentist hook Follow the 4 1 1 4 1 5 Reassembly instructions Download free service manual at http ponsel1 blogsp...

Page 53: ... Heat up the label by using hot air if needed Carefully remove the label without causing scratches If there still are residues clean the surface with isopropyl alcohol Check that the proper label format is loaded in the Zebra printer Write a new label by using the program Label make and check that the printing is OK Take the new label and place it onto the frame as in the adjacent picture ONE LABE...

Page 54: ...lacing a part being listed in Replacements the instruction of that section usually ends by directing you to this Reassembly section with a specification of the instructions you have to carry out in order to reassemble the phone Start Done REPLACEMENTS DISASSEMBLY REASSEMBLY Contents page Download free service manual at http ponsel1 blogspot com ...

Page 55: ...22 A Company Internal Sony Ericsson Mobile Communications AB 55 62 4 1 Overview The reassembly is done in the following order 1 PCBA 2 Keypad 3 Front Cover 4 Speaker Cover 5 Battery a Battery Cover b Download free service manual at http ponsel1 blogspot com ...

Page 56: ...son Mobile Communications AB 56 62 4 1 1 PCBA 1 Place PCBA into bottom position first 2 Lower top end of PCBA into back cover Secure PCBA like this AVOID TOUCHING LCD GLASS Use 18 Ncm torque to tighten the screw with torx JCIS bit Download free service manual at http ponsel1 blogspot com ...

Page 57: ...on Mechanical 3 000 21 1 FEA 209 544 122 A Company Internal Sony Ericsson Mobile Communications AB 57 62 4 1 2 Keypad Use tweezers to place keypad into position Download free service manual at http ponsel1 blogspot com ...

Page 58: ...mmunications AB 58 62 4 1 3 Front Cover 1 Fix into position at bottom first 2 Lower top end of front cover second Press down on front cover to secure snap hooks as shown in picture Use 24 Ncm torque to tighten the four screws with torx bit no 6 Download free service manual at http ponsel1 blogspot com ...

Page 59: ...122 A Company Internal Sony Ericsson Mobile Communications AB 59 62 4 1 4 Speaker Cover 1 Bring speaker cover into position first 2 Lower downwards Press on top of speaker cover to secure snap hooks Download free service manual at http ponsel1 blogspot com ...

Page 60: ...Mobile Communications AB 60 62 4 1 5 Battery Battery Cover Place battery into position against battery contacts Lower and secure 1 Position battery cover first like this 2 Lower battery cover as shown Use fingers to close battery cover Download free service manual at http ponsel1 blogspot com ...

Page 61: ...nal Sony Ericsson Mobile Communications AB 61 62 Battery Battery Cover continued Battery cover locks will be in open position as shown in picture Slide locks to bottom direction of the phone to secure Overview picture Download free service manual at http ponsel1 blogspot com ...

Page 62: ...anical 3 000 21 1 FEA 209 544 122 A Company Internal Sony Ericsson Mobile Communications AB 62 62 5 Revision history Rev Date Changes Comments A 2007 02 19 1st Release Download free service manual at http ponsel1 blogspot com ...

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