Sony Ericsson W550c Working Instruction, Mechanical Download Page 76

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Working Instruction

Mechanical

3/00021-1/FEA 209 544/594 B

Sony Ericsson Mobile Communications AB

76(128)

4.21

Liquid Intrusion Indicator

4.21.1

Liquid Intrusion Indicator Removal

If a liquid intrusion indicator is activated, handle the unit according to the instructions of your
Sony Ericsson representative.

4.21.2

Liquid Intrusion Indicator Installation

There are two liquid intrusion indicators on this product. One is located on the inner base cover.
The other is located on the display flex film assembly. Use the set of instructions that applies to
the location the indicator is being installed.

Liquid Intrusion Indicator on Inner Base Cover

Tools needed:

•

Pry tool

•

Style 2A ESD tweezers (Blunt Tip)

Step-by-Step Instructions

Locate the portion of the inner base cover that
extends between the two screw bosses near the hinge
opening.

Orient the flip assembly so that the external side of
the extension that is between the two screw bosses is
towards you.

Using tweezers, place a new liquid intrusion
indicator in the center of the channel that is midway
the external side of the extension.

Summary of Contents for W550c

Page 1: ...ter Base Cover Installation 17 2 2 3 Battery Installation 22 2 2 4 Battery Cover Installation 23 3 Flip 24 3 1 Flip Disassembly 24 3 1 1 Inner Base Cover Removal 24 3 1 2 Style Up Cover Removal 25 3 1...

Page 2: ...ector Removal 66 4 15 2 System Connector Installation 66 4 16 System Connector Cover 67 4 17 Label 69 4 17 1 Label Removal 69 4 17 2 Label Installation 70 4 18 Inner Base Cover 71 4 19 Bluetooth Anten...

Page 3: ...al 104 4 32 2 LCD Assembly Installation 106 4 33 Microphone 108 4 34 Microphone Grommet 109 4 35 Display Cover 110 4 36 Gaming Keys 110 4 36 1 Gaming Key Removal 110 4 36 2 Gaming Key Installation 111...

Page 4: ...ropriate ESD precautions when working on this product The use of finger cots or gloves an ESD mat and an ESD wrist strap are required at minimum 1 3 Protection of LCDs Lenses and Windows Any time the...

Page 5: ...t If your task is to replace one of the components that is removed during the base disassembly just perform the sections of the base disassembly through to the point that the part you are trying to re...

Page 6: ...of the battery closest to the system connector catch the flat end of a pry tool on the accessible portion of the battery that is adjacent to the system connector 2 Using the pry tool push the battery...

Page 7: ...the main keypad is accessible and locate the screw cover panel on the inner base cover 2 Begin lifting the screw cover panel away from the inner base cover by using the tip of one side of a pair of s...

Page 8: ...ly away from the flip portion of the phone as high as it will easily move 8 With a pry tool gently pry at the two locations indicated to release catches that hold the outer base cover assembly to the...

Page 9: ...s perpendicular to the rest of the phone NOTE Use one hand to hold the phone in this current orientation 11 Remove the keypad from the inner base cover and set the keypad aside 12 Rotate the outer bas...

Page 10: ...nnection of the cable being disconnected use the tip of a pair of style 2A tweezers to unplug the cable connection from the board There are two locations that the connector must be alternately pulled...

Page 11: ...Unplug the system connector cover from the system connector and set the system connector cover aside 2 Unplug the keypad switch assembly s flex film from its connection on the circuit board using a pr...

Page 12: ...er base cover that the side speaker s connector is clear of the outer base cover s side wall 5 While holding the circuit board in this lifted position unplug the side speaker from the circuit board 6...

Page 13: ...SD tweezers Blunt tip Step by Step Instructions 1 Obtain the outer base cover and orient it so that its inner surface is towards you 2 Verify that the antenna assembly the rear speaker assembly and th...

Page 14: ...t it is at a 45 degree angle to the outer base cover 7 Insert the end of circuit board in which the system connector is attached into the outer base cover so that the system connector inserts into its...

Page 15: ...dicated NOTE Make sure the two wires of the side speaker are twisted together before inserting the speaker in its cavity but be careful not to over twist the wires 11 With the side of the speaker cont...

Page 16: ...r has been installed correctly the large tab portion of the system connector cover can be seen lying on top of the system connector 15 With the keypad switch assembly held directly over the circuit bo...

Page 17: ...tep by Step Instructions 1 Rotate the inner base cover relative to the flip portion of the phone so that the phone is in the open position as shown NOTE Verify that the two cables are not twisted toge...

Page 18: ...ction into the board connection Damage to the cable assembly most likely will result 4 Place the end of the cable assembly into the opening of its board connection 5 Using the tip of a pair of style 2...

Page 19: ...e keypad correspond to the curved edges of the recess in the inner base cover 9 Insert the keypad into its recessed area in the inner base cover and press the keypad into place so that it is seated do...

Page 20: ...ted in their cable holders and the keypad switch assembly is still correctly positioned before performing the next step 13 Hold the two halves of the phone so that the side of the base with the IR win...

Page 21: ...r NOTE When installing these screws if the torque bit starts repeatedly slipping in a screw before the screw is completely seated that screw must be replaced with a new screw and the bit tip must be c...

Page 22: ...None Step by Step Instructions 1 With the label side of the battery oriented away from the phone insert the end of the battery with connection pads into the end of the battery cavity nearest the camer...

Page 23: ...rred to in the next step consists of a line with an arrow pointing towards it that is molded in the edge of the outer base cover s battery cavity 1 Place the battery cover over the battery cavity so t...

Page 24: ...tions of the flip disassembly through to the point that the part you are trying to replace is removed 3 1 1 Inner Base Cover Removal Perform the sections 2 1 1 2 1 3 of the Base Disassembly before pro...

Page 25: ...er to make sure they do not get damaged 3 1 2 Style Up Cover Removal Tools needed Pry Tool Step by Step Instructions 1 Locate the notch in the seam where the style up cover and the inner flip cover co...

Page 26: ...th directions until you reach a key in each direction 4 Keep the freed portion of the seam between the style up cover and the rest of the flip separated 5 On one side of the phone insert the flat end...

Page 27: ...cover in place have been released rotate the style up cover up off of the flip assembly until the edge of the style up cover will clear the music player and volume buttons 8 Then push the lifted end...

Page 28: ...panel away from the inner flip cover by using the tip of one side of a pair of style 2A tweezers or a front opening tool at one of the two locations indicated 2 Once a portion of the screw cover panel...

Page 29: ...The sections of the Flip Disassembly preceding this section must be performed in sequential order before the disassembly steps listed below can be performed Tools needed Torque screwdriver JCIS No 0 b...

Page 30: ...e connections from the display flex film by pulling the cable connector alternately at the two locations indicated in the direction shown 5 Repeat the previous step to disconnect the other cable conne...

Page 31: ...rming the next step 8 With the LCD carrier is being pressed away from the inner flip cover release the four side latches that are holding the display carrier and the inner flip cover together by flexi...

Page 32: ...unications AB 32 128 Step by Step Instructions NOTE Be aware that the power key may fall out when performing the next step 9 Once the four latches are unlatched rotate the dome foil end of the display...

Page 33: ...e music player key must be transferred from the old inner flip cover to the new one before proceeding For more details regarding the steps that must be performed on a new inner flip cover before you c...

Page 34: ...hat the cable connections are adjacent to the hinge opening in the inner flip cover 7 Slide the edge of the display carrier that is adjacent to the receiver under the corresponding ledge on the inner...

Page 35: ...or with the two notches is oriented away from the flex film NOTE Do NOT attempt to plug the cable assemblies in by using their mass of wires to push the cable connections together Damage to the cable...

Page 36: ...sponding screw holes in the display carrier and the two alignment pegs extending from the display carrier are within their corresponding notches in the hinge assembly 16 Using a torque screwdriver set...

Page 37: ...free wipes Step by Step Instructions 1 Obtain the display cover being installed and place a protective film over the outer surface of the display cover s display window if one is not already present...

Page 38: ...t the display is aligned to the display window in the display cover NOTE When the display cover and the display carrier inner flip cover assembly are correctly aligned you can see through the screw ho...

Page 39: ...ts onto the inner flip cover Carefully clean off any residue in this area using alcohol and a lint free wipe 10 Obtain a new screw cover panel assembly and orient the assembly so that the side of the...

Page 40: ...part should be used in the place of the old part when performing the following procedure Tools needed None Step by Step Instructions 1 Locate the two tabs on the edge of the style up cover where the...

Page 41: ...544 594 B Sony Ericsson Mobile Communications AB 41 128 Step by Step Instructions 3 Snap the style up cover onto the display cover by pressing the style up cover in the locations indicated until the...

Page 42: ...ner base cover so that the outer surface of the inner base cover is toward the flip and the curved edge in the hinge cavity will align with the curved edge of the hinge assembly 2 Slide the two cable...

Page 43: ...s NOTE If a new inner base cover was installed verify that a Bluetooth antenna a magnet and a liquid intrusion indicator have been installed on the new inner base cover If any of these components are...

Page 44: ...sections 2 1 1 2 1 2 of the base disassembly To install this part perform sections 2 2 3 2 2 4 of the base reassembly If this part is being replaced a new part should be used in the place of the old p...

Page 45: ...flex film extension attaches too 5 Once the antenna flex film extension is seated onto its ledge insert the new antenna into the antenna loop portion of the outer base cover 6 Use the flat end of a pr...

Page 46: ...ter base cover NOTE The vibrator may separate from its rubber bushing when being removed If it does just reassemble the two parts NOTE Be careful not to damage the vibrator contacts when handling the...

Page 47: ...ter base cover by prying the end of the speaker nearest the system connector opening up out of the outer base cover 15 Then lift the speaker from its cavity using your fingers and set it aside The sid...

Page 48: ...cover 4 6 Antenna Assembly 4 6 1 Antenna Assembly Removal Perform sections 2 1 1 2 1 4 of the Base Disassembly Procedure Tools Needed Style 2A ESD tweezers Blunt tip Step by Step Instructions 1 Lift...

Page 49: ...t end of the antenna with the flex film extending from it is adjacent to the camera flash window in the outer base cover 3 While holding the new antenna over the outer base cover use a pair of style 2...

Page 50: ...Instructions 6 Insert the rear speaker module back into the outer base cover so that the speaker cloth on the speaker module is towards the outer base cover s rear speaker grill and the RF port plug...

Page 51: ...base cover is recommended if it is present If the outer base cover is not removed from the phone perform the following procedure to remove the RF port plug Tools needed Style 2A ESD tweezers Blunt ti...

Page 52: ...ne Step by Step Instructions 1 If replacing the RF port plug obtain a new one at this point 2 Insert the RF port plug so that the smaller diameter end of the plug inserts into the base s RF hole first...

Page 53: ...ibrator Installation If this part is being replaced a new part should be used in the place of the old part when the following steps are being performed Tools needed Pry tool Step by Step Instructions...

Page 54: ...on If this part is being replaced a new part should be used in the place of the old part when the following steps are being performed Tools needed None Step by Step Instructions W600 series only If a...

Page 55: ...odule is correctly seated the RF port plug opening in the outer base cover is centered in the circular opening in the speaker module Perform sections 2 2 1 2 2 4 the Base Reassembly procedure 4 10 Rea...

Page 56: ...ace of the outer base cover so that the speaker cloth on the speaker module is towards the outer base cover s rear speaker grill 5 Insert the rear speaker module into the outer base cover so that it i...

Page 57: ...vity in the outer base cover by prying the end of the speaker nearest the system connector opening up out of the outer base cover 2 Then lift the speaker from its cavity using your fingers 4 11 2 Side...

Page 58: ...Assembly Main Keypad 4 12 1 Keypad Switch Assembly Removal Perform sections 2 1 1 2 1 3 of the Base Disassembly Procedure Tools needed Pry tool Step by Step Instructions 1 Unplug the keypad switch as...

Page 59: ...he following steps are being performed Tools needed None Step by Step Instructions 1 Plug the keypad switch assembly s flex film extension into its connection on the circuit board 2 Position the keypa...

Page 60: ...eezers Blunt tip Step by Step Instructions 1 Unplug the keypad switch assembly from its connection on the circuit board using a pry tool 2 Lift the keypad switch assembly off of the circuit board 3 Ca...

Page 61: ...the four main edges of the flex film and the two through holes in the flex film as positioning features NOTE When the dome foil is correctly installed you should be able to see completely through bot...

Page 62: ...ed Style 2A ESD tweezers Blunt tip Camera extraction tool Step by Step Instructions 1 Orient the circuit board so that the camera module is towards you 2 Using tweezers remove the foam gasket that is...

Page 63: ...n tool down against the camera socket so that the bottom surface of the camera tool is flush against the top surface of the camera socket all the way around 5 Lift the camera extraction tool from the...

Page 64: ...t up away from the walls of the camera socket during the removal of the camera module bend those clips back down against the wall before proceeding 1 Obtain the camera module and make sure there is a...

Page 65: ...ilm from the camera lens if present 6 Obtain a new camera gasket and slide it down around the camera lens until it is on top of the camera module s circuit board connection 7 Align the camera gasket w...

Page 66: ...eing replaced a new part should be used in the place of the old part when the following steps are being performed Tools needed None Step by Step Instructions 1 Orient the circuit board so the contact...

Page 67: ...tem connector that is adjacent to it 4 Then slide the system connector onto the circuit board until it is completely seated Perform sections 2 2 1 2 2 4 the Base Reassembly procedure 4 16 System Conne...

Page 68: ...slot 4 Obtain a new system connector cover 5 Install the system connector cover by sliding its tab portion into the slot adjacent to the system connector and plugging the cover into the system connec...

Page 69: ...a new label NOTE The text on the new label must be fully readable and the barcodes must be scannable NOTE Labels only have to be removed from the phone if there are already two or more labels on the p...

Page 70: ...ore continuing 1 If a new label has not been created yet then do so at this time 2 Use the four positioning marks on the circuit board to place the label Place the end of the label that mounts adjacen...

Page 71: ...ase cover Refer to the installation sections for the Bluetooth antenna the magnet and the liquid intrusion indicator for instructions on how to install these components 4 19 Bluetooth Antenna 4 19 1 B...

Page 72: ...3 Then push the bent portion of the Bluetooth antenna in between standoff 6 and standoff 5 so that that antenna bends around standoff 4 4 Pull the free end of the Bluetooth antenna away from the hing...

Page 73: ...ffs so that the tips of its contact fingers are pointing toward the hinge and the fingers themselves extend away from the inner base cover 3 Place the end of the Bluetooth antenna with the spring fing...

Page 74: ...y Step Instructions 1 Orient the inner base cover so that its outer surface is towards you and locate the magnet s access hole that is adjacent to the hinge cavity 2 Using the pointed end of a nylon p...

Page 75: ...by Step Instructions 1 Orient the inner base cover so that its interior surface is towards you and locate the features on the inner base cover that make up the magnet cavity 2 Obtain a magnet and ori...

Page 76: ...cover The other is located on the display flex film assembly Use the set of instructions that applies to the location the indicator is being installed Liquid Intrusion Indicator on Inner Base Cover To...

Page 77: ...the flat end of a pry tool apply gentle pressure to the liquid intrusion indicator to ensure a good adhesive bond the inner base cover Perform section 3 2 4 the Flip Reassembly procedure Perform secti...

Page 78: ...y as shown NOTE Do not use your finger to apply pressure to the liquid intrusion indicator Using a finger to apply pressure may cause partial activation of the indicator 3 Using the flat end of a pry...

Page 79: ...needed and sections 2 2 3 2 2 4 of the base reassembly If this part is being replaced a new part should be used in the place of the old part when performing the reassembly instructions 4 23 Cable Ass...

Page 80: ...isplay flex film connections and use the tip of a pair of style 2A tweezers to unplug the connection There are two locations that the cable s portion of the connection must be alternately pulled at to...

Page 81: ...ge sleeve from that hinge assembly at is time 2 If there is not a hinge sleeve on the hinge place a hinge sleeve over the doughnut shaped portion of the hinge as shown NOTE Be careful not to damage th...

Page 82: ...s of wires to push the cable connection into its mating connector on the flex film Damage to the cable assembly most likely will result 7 Position the end of the cable assembly adjacent to its corresp...

Page 83: ...mbly 11 Using a torque screwdriver set to 11 N cm and a JCIS No 0 bit install a new display carrier hinge screw in each of the four screw locations shown in the sequence indicated Perform section 3 2...

Page 84: ...2 1 1 2 1 3 of the Base Disassembly Procedure Perform sections 3 1 1 3 1 4 of the Flip Disassembly Procedure Step by Step Instructions 1 Orient the display carrier so that the display is facing upwar...

Page 85: ...a new keypad lock spring and install the spring on the keypad lock key as shown 2 Orient the display carrier so that the display is upward and the music player key s switch is towards you 3 Position t...

Page 86: ...on the upper edge of the keypad lock key so that the keypad lock key finishes inserting into its correct position NOTE When the keypad lock key is correctly mounted it should be flush against the sid...

Page 87: ...the base s screw cover panel 1 Begin lifting the screw cover panel away from the inner base cover by using the tip of one side of a pair of style 2A tweezers or a front opening tool at one of the two...

Page 88: ...btain a new base screw cover panel and remove the protective backing from its adhesive film 2 Orient the new screw cover panel so that the side of the screw cover panel with adhesive is towards the in...

Page 89: ...the flip s screw cover panel 1 Begin lifting the screw cover panel away from the inner flip cover by using the tip of one side of a pair of style 2A tweezers or a front opening tool at one of the two...

Page 90: ...1 Obtain a new flip screw cover panel and remove the protective backing from its adhesive film 2 Orient the new screw cover panel so that the side of the screw panel with adhesive is towards the inner...

Page 91: ...ver panel 1 Begin lifting the screw cover panel away from the inner base cover by using the tip of one side of a pair of style 2A tweezers or a front opening tool at one of the two locations indicated...

Page 92: ...co brand label with the tweezers and peel it from the inner base cover 6 Using alcohol and lint free wipes clean the co brand label area 4 28 2 Co Brand Label Installation Tools needed Style 2A ESD t...

Page 93: ...eparated from its protective backing so that contamination of its adhesive is avoided 4 Using tweezers position the new co brand label in its designated area on the inner base cover NOTE Make sure tha...

Page 94: ...d a lint free wipe 4 29 2 Navigation Keypad Dome Foil Assembly Installation Tools needed None Step by Step Instructions 1 Position a new navigation keypad dome foil on top of the flex film assembly by...

Page 95: ...1 4 of the Flip Disassembly Procedure Step by Step Instructions 1 Locate the LCD assembly s connection to the display flex film assembly 2 Rotate the edge of the connector that is closest to the recei...

Page 96: ...on of the display flex film that contains the cable connections 7 While holding the loose portion of the display flex film away from the display carrier dislodge the LCD assembly s flex film from its...

Page 97: ...itch from the display carrier 11 Slide the receiver out of its slot in the display carrier by sliding it directly away from the display carrier s LCD cavity 12 Using a pry tool detach the portion of t...

Page 98: ...ve films before proceeding 2 Orient the display flex film relative to the display carrier so that the side of the display flex film without components is towards the non display cavity side of the dis...

Page 99: ...ude through their corresponding holes in the display flex film assembly 5 Insert the top edge of the LCD into the display carrier s LCD cavity 6 While holding the loose portion of the display flex fil...

Page 100: ...ction into the connector until it will not insert any further NOTE Approximately 0 75MM of the gold contact portion of the LCD connection will be outside of the connector when the LCD s connection to...

Page 101: ...switch place the camera switch portion of the display flex film into its position on the side of the display carrier 15 If present remove the protective backing from the volume switch portion of the...

Page 102: ...iated with this switch place the gaming key switch portion of the display flex film into its position on the display carrier just above the LCD 21 Repeat the previous two steps to mount the other gami...

Page 103: ...eypad dome foil is not present install one by performing the steps of the Navigation Keypad Dome Foil Installation section If a liquid intrusion indicator is not present install one by performing the...

Page 104: ...cedure Step by Step Instructions 1 Locate the LCD assembly s connection to the display flex film assembly 2 Rotate the edge of the connector that is closest to the receiver towards the LCD s flex film...

Page 105: ...rtion of the display flex film that contains the cable connections from the display carrier 7 While holding the loose portion of the display flex film away from the display carrier dislodge the LCD as...

Page 106: ...p edge of the LCD assembly into the display carrier s LCD cavity 2 While holding the loose portion of the display flex film away from the display carrier and the top edge of the LCD in place slide the...

Page 107: ...nection into the connector until it will not insert any further NOTE Approximately 0 75MM of the gold contact portion of the LCD connection will be outside of the connector when the LCD s connection t...

Page 108: ...of the display flex film into its position on the side of the display carrier Perform sections 3 2 1 3 2 4 of the Flip Reassembly Procedure Perform sections 2 2 2 2 2 4 the Base Reassembly procedure...

Page 109: ...1 Orient the display carrier assembly so that the display is away from you and locate the microphone assembly on the display flex film 2 Using style 2A tweezers remove the microphone grommet from the...

Page 110: ...rform sections 3 2 2 3 2 3 of the flip reassembly to install a new part Before installing the new display cover transfer the two gaming keys from the old part to the new one Refer to the Gaming Keys s...

Page 111: ...key is being installed 2 Orient the key that is being installed so that the shape of the key corresponds to the shape of the key hole and make sure that the two positioning features in the soft rubber...

Page 112: ...eypad from the display carrier To install this part perform sections 3 2 2 3 2 3 of the flip reassembly If this part is being replaced a new part should be used in the place of the old part when perfo...

Page 113: ...away from the display carrier and receiver springs point away from the LCD assembly 2 From the top edge of the display carrier slide the receiver into the receiver cavity so that the side edges of the...

Page 114: ...ions 3 1 1 3 1 4 of the Flip Disassembly Procedure Step by Step Instructions 1 Due to the tendency for the power and camera key to fall out remove them from the inner flip cover before proceeding 2 Us...

Page 115: ...protective backing so that contamination of its adhesive is avoided 4 Using tweezers position the dust cloth in its recessed area so that the entire external opening is covered 5 Once the dust cloth i...

Page 116: ...ip reassembly and then perform sections 2 2 2 2 2 4 of the base reassembly If this part is being replaced a new part should be used in the place of the old part when performing the reassembly instruct...

Page 117: ...mera Key Installation Tools needed None Step by Step Instructions NOTE Due to the ease in which these keys fall out the camera key and the power key should be installed just before the display carrier...

Page 118: ...o its opening so that the external surface of the key is towards the outer edge of the inner flip cover NOTE Make sure camera key does not fall out before the display carrier assembly and the inner fl...

Page 119: ...he Base Disassembly Procedure Perform sections 3 1 1 3 1 4 of the Flip Disassembly Procedure Step by Step Instructions 1 Orient the inner flip cover so that its inner surface is towards you and locate...

Page 120: ...ip Step by Step Instructions 1 Locate the volume key opening on the edge of the inner flip cover 2 Orient the volume key so that the shape of the key corresponds to the shape of its opening in the inn...

Page 121: ...le holding the volume key in place use a pair of style 2A tweezers and work the soft rubber portion that extend from each end of the volume key between the standoff and the side wall at each end of th...

Page 122: ...ons 2 1 1 2 1 3 of the Base Disassembly Procedure Perform sections 3 1 1 3 1 4 of the Flip Disassembly Procedure Step by Step Instructions 1 Orient the inner flip cover so that its inner surface is to...

Page 123: ...Step by Step Instructions 1 Locate the music player key opening on the edge of the inner flip cover 2 Orient the music player key so that the shape of the key corresponds to the shape of its opening i...

Page 124: ...While holding the music player key in place use a pair of style 2A tweezers and work the soft rubber portion that extends from one end of the key between the standoff and the side wall at that end of...

Page 125: ...1 1 3 1 4 of the Flip Disassembly Procedure Step by Step Instructions NOTE The camera key and the power key fall out very easily and may have fallen out of place during the removal of the display carr...

Page 126: ...led 1 Locate the power key opening on the top edge of the inner flip cover 2 Orient the power key so that the shape of the key corresponds to the shape of its opening in the inner flip cover 3 Insert...

Page 127: ...re Tools needed Style 2A ESD tweezers Blunt tip Step by Step Instructions 1 Orient the phone so that the display is towards you 2 Locate the two round rubber plugs at the bottom of the display carrier...

Page 128: ...visible portion of the plug should appear round in shape 6 If both rubber plugs are being replaced repeat the previous two steps to install the other rubber plug Perform sections 3 2 2 3 2 3 of the F...

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