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Working Instruction

Mechanical

 

 

3/000 21-1/FEA 209 544/97 A 

©

 Sony Ericsson Mobile Communications AB 

5(62) 

 

1.2  General cautions  

The following cautions are considered to be generic for all phone models and will not be repeated in 
the Disassembly, Replacements and Reassembly sections: 

 

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

 

NEVER TOUCH THE DISPLAY GLASS

 

USE AIR BLOW EQUIPMENT TO KEEP THE DISPLAY MODULE DUST FREE

 

 

 

 

Press the On/Off button to turn off the phone.  

 

Check that the memory stick has been removed. 

How to open a board-to-board connector with the front 
opening tool. 

 

 

 

How to open and close a FPC connector (often done with a 
dentist hook). 

 

Summary of Contents for P990i

Page 1: ...Cabinet Upper Sub asm 12 3 Replacements 13 3 1 Battery Lid 14 3 2 Flip 14 3 3 Bezel Top 14 3 4 Cabinet Lower Sub 14 3 5 Cabinet Upper Sub 14 3 6 Ext Antenna Cap 15 3 7 Stylus asm 16 3 8 Co Branding Pl...

Page 2: ...eld Box VGA Camera 41 3 28 Camera Module VGA 43 3 29 VGA Support asm 44 3 30 Camera 2M Pixel Shielding Box Mpixel Camera 45 3 31 LCD 48 3 32 Isolation Tape 50 3 33 Touch Panel asm Frame 51 3 34 Label...

Page 3: ...Working Instruction Mechanical 3 000 21 1 FEA 209 544 97 A Sony Ericsson Mobile Communications AB 3 62 1 Introduction P990i...

Page 4: ...CIS bit NTZ 112 521 Flex film assembly tool NTZ 112 302 2 Front opening tool STANDARD TOOLS Dentist hook Blunt pair of tweezers Guitar pick ESD EQUIPMENT Protect the phone from ESD damages whenever it...

Page 5: ...L 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 SPRIN...

Page 6: ...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...

Page 7: ...ap by using your thumbs Slide down the battery lid from its mounted position towards the bottom of the phone and remove it Start to remove the battery from the phone with your fingers or the front ope...

Page 8: ...EA 209 544 97 A Sony Ericsson Mobile Communications AB 8 62 2 1 2 Flip asm Use the JCIS bit to remove the two screws from the lower cabinet sub REMOVED SCREWS CANNOT BE REUSED AND MUST BE SCRAPPED Pul...

Page 9: ...Mobile Communications AB 9 62 2 1 3 Bezel Top Press the front opening tool in the joint between the bezel top and the cabinet upper sub until it becomes loose If necessary do the same thing on the op...

Page 10: ...ng torx bit no 6 REMOVED SCREWS 1 2 CANNOT BE REUSED AND MUST BE SCRAPPED REMOVED SCREWS 3 4 CAN BE REUSED IF THEY ARE NOT DAMAGED THE CAMERA LID MUST BE OPEN WHEN THE CABINET LOWER SUB IS REMOVED FRO...

Page 11: ...Ericsson Mobile Communications AB 11 62 Cabinet Lower Sub asm continued Continue to do the same thing on the opposite side Sometimes during the removal of the cabinet lower sub the key lock button may...

Page 12: ...il it starts to become loose at the bottom of the phone Continue to bend under the main PBA like the picture shows until it is completely free from the front BE CAREFUL WITH THE VGA CAMERA WHEN THE PB...

Page 13: ...recting you to the 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 R...

Page 14: ...epare the new flip Follow the 4 1 4 4 1 5 Reassembly instructions 3 3 Bezel Top Follow the 2 1 3 Disassembly instructions Prepare the new bezel top Follow the 4 1 3 Reassembly instructions 3 4 Cabinet...

Page 15: ...anical 3 000 21 1 FEA 209 544 97 A Sony Ericsson Mobile Communications AB 15 62 3 6 Ext Antenna Cap REMOVAL Remove the external antenna cap with a dentist hook INSTALLATION Insert a new external anten...

Page 16: ...g Instruction Mechanical 3 000 21 1 FEA 209 544 97 A Sony Ericsson Mobile Communications AB 16 62 3 7 Stylus asm REMOVAL Remove the stylus with your fingers INSTALLATION Insert the stylus with your fi...

Page 17: ...Ericsson Mobile Communications AB 17 62 3 8 Co Branding Plate REMOVAL Gently remove the co branding plate with a dentist hook INSTALLATION Attach the co branding plate with the tweezers or by hand Kee...

Page 18: ...E AND INSTALL A BEZEL REPLACEMENT ON A PHONE WHERE THE FLIP HAS BEEN REPLACED BY A BEZEL Use the JCIS bit to remove the two screws from the cabinet lower sub REMOVED SCREWS CANNOT BE REUSED AND MUST B...

Page 19: ...ile Communications AB 19 62 Bezel Replacement asm continued Make sure that there are no gaps around the bezel replacement If there still is a gap recheck your torque setting and retighten the screws C...

Page 20: ...OVAL Follow the 2 1 3 Disassembly instructions Use the tweezers to bend under the camera bezel until it becomes loose Remove the camera bezel with the tweezers INSTALLATION Install a new camera bezel...

Page 21: ...VAL Follow the 2 1 1 2 1 4 Disassembly instructions Before the actual removal turn the memory stick cover 90 left or right and then remove it with your fingers INSTALLATION First turn the memory stick...

Page 22: ...Sony Ericsson Mobile Communications AB 22 62 3 12 Dust Cover REMOVAL Follow the 2 1 1 2 1 4 Disassembly instructions Remove the dust cover with the tweezers INSTALLATION Attach a new dust cover with t...

Page 23: ...2 3 13 System Connector REMOVAL Follow the 2 1 1 2 1 4 Disassembly instructions Remove the system connector by hand INSTALLATION Mount a new system connector with your fingers Press the system connect...

Page 24: ...Follow the 2 1 1 2 1 4 Disassembly instructions Gently open the FPC connector with the dentist hook Pull the flex film camera cover switch straight backwards out of the FPC connector with the flex fil...

Page 25: ...ION Start the installation of a new flex film camera cover switch with the flex film assembly tool Insert the flex film into the FPC connector with the flex film assembly tool Make sure that the flex...

Page 26: ...move the two board to board connectors with the front opening tool Remove the first liquid intrusion indicator with the dentist hook Remove the second liquid intrusion indicator with a dentist hook IN...

Page 27: ...1 2 1 4 Disassembly instructions Follow the 3 14 Removal instructions Gently bend under the flash LED with a dentist hook until it becomes loose Use the front opening tool to bend under the antenna ac...

Page 28: ...on Mobile Communications AB 28 62 Antenna Acoustic asm continued Gently fold and attach the flash LED to the antenna acoustic Make sure it is mounted correctly on the two guide pins Follow the 3 14 In...

Page 29: ...62 3 17 Box Tape REMOVAL Follow the 2 1 1 2 1 4 Disassembly instructions Follow the 3 14 3 16 Removal instructions Remove the box tape with a dentist hook INSTALLATION Attach a new box tape with the t...

Page 30: ...ctive 9 4 x 1 5 mm REMOVAL Follow the 2 1 1 2 1 4 Disassembly instructions Follow the 3 14 3 16 Removal instructions Remove the heat conductive with the dentist hook INSTALLATION Attach a new heat con...

Page 31: ...ctive 5 7 x 1 5 mm REMOVAL Follow the 2 1 1 2 1 4 Disassembly instructions Follow the 3 14 3 16 Removal instructions Remove the heat conductive with the dentist hook INSTALLATION Attach a new heat con...

Page 32: ...6 Removal instructions Use the front opening tool to disconnect the board to board connector from the main PBA Remove the flash flex by hand INSTALLATION Connect the new flash flex to the board to boa...

Page 33: ...le Communications AB 33 62 3 21 Keyboard QWERTY REMOVAL Follow the 2 1 1 2 1 5 Disassembly instructions Remove the keyboard QWERTY with the tweezers or by hand INSTALLATION Put a new keyboard QWERTY i...

Page 34: ...Sony Ericsson Mobile Communications AB 34 62 3 22 LCD Gasket REMOVAL Follow the 2 1 1 2 1 5 Disassembly instructions Remove the LCD gasket with the tweezers or by hand INSTALLATION Attach a new LCD ga...

Page 35: ...nd up the ear speaker with the tweezers Continue to lift up the ear speaker and remove it with the tweezers INSTALLATION DO NOT TOUCH OR BEND THE CONTACT SPRINGS Press gently on each side of the new e...

Page 36: ...instructions DO NOT TOUCH THE VIBRATOR CONTACT SPRINGS OR DAMAGE THE FLYWHEEL Lift the vibrator straight up with the tweezers to remove it INSTALLATION Press the new vibrator gently to the bottom of...

Page 37: ...Key REMOVAL Follow the 2 1 1 2 1 5 Disassembly instructions Bend gently under the power key with the tweezers until it becomes loose Remove the power key with the tweezers or your fingers INSTALLATIO...

Page 38: ...t opening tool to disconnect the two board to board connectors from the main PBA starting like the picture shows These four hooks must be released before you can remove the LCD frame Insert the front...

Page 39: ...cations AB 39 62 LCD Frame asm continued Remove the main PBA from the LCD frame LCD frame removed from main PBA INSTALLATION Place the main PBA and the LCD frame in your hands like this Gently start t...

Page 40: ...ver the main PBA and snap them together Make sure that the main PBA is in the right position and properly latched by the four hooks two on each side of the frame Gently fold the two flex films to the...

Page 41: ...mera REMOVAL Follow the 2 1 1 2 1 5 Disassembly instructions Follow the 3 26 Removal instructions Gently release the first hook with a dentist hook Release the second one on the opposite side Remove t...

Page 42: ...ox VGA Camera continued Continue to snap the hooks onto each side of the shield box Make sure that the shield box VGA camera is in the right position and properly latched by the two hooks one on each...

Page 43: ...uctions Use the front opening tool to disconnect the camera module VGA s board to board connector from the main PBA Remove the camera module VGA with the tweezers INSTALLATION Install a new camera mod...

Page 44: ...REMOVAL Follow the 2 1 1 2 1 5 Disassembly instructions Follow the 3 26 3 27 Removal instructions Remove the VGA support with the tweezers INSTALLATION Install a new VGA support by hand VGA support t...

Page 45: ...Start by removing the shielding box with your fingers Use the front opening tool to disconnect the camera 2M pixel s board to board connector from the main PBA Gently put a guitar pick between the cam...

Page 46: ...opposite side but this time by using the tweezers to press the two hooks inwards on the camera box Use your fingers to remove the camera INSTALLATION Insert the new camera 2M pixel Press gently from...

Page 47: ...tions AB 47 62 Camera 2M Pixel Shielding Box Mpixel Camera continued Use your finger when connecting the camera s board to board connector to the main PBA Reinstall the shielding box with your fingers...

Page 48: ...sassembly instructions Follow the 3 26 Removal instructions Start by sliding the LCD out of the LCD frame by hand BE CAREFUL WITH THE LCD FLEX FILM Turn the LCD frame around and continue to slide the...

Page 49: ...csson Mobile Communications AB 49 62 LCD continued Turn the LCD frame around and continue to slide until the LCD is in the correct position LCD properly mounted in the LCD frame Follow the 3 26 Instal...

Page 50: ...62 3 32 Isolation Tape REMOVAL Follow the 2 1 1 2 1 5 Disassembly instructions Follow the 3 26 3 31 Removal instructions Remove the isolation tape with the tweezers INSTALLATION Attach a new isolatio...

Page 51: ...1 5 Disassembly instructions Follow the 3 26 3 31 Removal instructions Partly fold the isolation tape to get access to the FPC connector with the tweezers Open up the FPC connector with a dentist hoo...

Page 52: ...on all sides Remove the touch screen by hand INSTALLATION When installing the new touch screen do not touch the inside of the touch screen or the LCD surface Use an ionized air gun or blower to remov...

Page 53: ...l asm Frame continued Connect the touch panel flex film with the flex film assembly tool Close the FPC connector with the dentist hook Fold the isolation tape over the FPC connector Properly assembled...

Page 54: ...el asm Frame continued Do these seven tests when the phone is reassembled to check that the LCD unit works properly 2_00021 1_FEA209544_97 Test instruction mechanical Touch screen test Backlight brigh...

Page 55: ...before removal 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 INSTALLATION Chec...

Page 56: ...ion 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 4 1 Overview The reassembly...

Page 57: ...asm Place the PBA LCD towards the cabinet upper sub Place the top of the PBA LCD into the top of the cabinet upper sub Gently lower the PBA LCD completely into the cabinet upper sub Make sure that th...

Page 58: ...the sides If there still is a gap somewhere gently press the two halves together with your fingers DON T FORGET TO CLOSE THE CAMERA LID Apply 15 Ncm 2 Ncm torque when tightening two new screws 1 and 2...

Page 59: ...ile Communications AB 59 62 4 1 3 Bezel Top MAKE SURE THAT THE CAMERA BEZEL IS IN ITS PROPER POSITION Slide the bezel top onto the phone and press until it is securely latched on one side Continue to...

Page 60: ...9 544 97 A Sony Ericsson Mobile Communications AB 60 62 4 1 4 Flip asm THE FLIP MUST BE OPEN WHEN BEING MOUNTED ON THE PHONE Gently snap the flip onto the upper cabinet sub Apply 15 Ncm 2 Ncm torque w...

Page 61: ...62 4 1 5 Battery Battery Lid asm Put the top of the battery into the battery compartment Slide the battery all the way inside the battery compartment and press it down at the bottom Place the battery...

Page 62: ...Working Instruction Mechanical 3 000 21 1 FEA 209 544 97 A Sony Ericsson Mobile Communications AB 62 62 5 Revision history Rev Date Changes Comments A 2006 06 28 Initial release...

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