Sostituzione scheda Bluetooth iMac Intel 20" EMC 2133 e 2210

Passo 1

Allentare la vite con testa a croce al centro dello sportello di accesso.
La vite resta all'interno dello sportello di accesso.
Rimuovere lo sportello di accesso dall'iMac.

isn't it actually pc2-5300s ?

It is for the 2133, the 2210 uses 6400

There are comments elsewhere in this step by step re. the bezel removal. That step does NOT show how to remove it. Well, take the 5:39 secs to watch the above video. It clearly shows how the aluminum framed bezel easily comes off once you've seen it done. To whoever decided to preface these instructions with that video, thank you.

ECJohansen - 01/07/23

Passo 2

Il pannello di vetro è fissato nella mascherina anteriore con quattordici magneti posizionati lungo il perimetro.
Far aderire due ventose agli angoli opposti del pannello di vetro.
Per far aderire le nostre ventose, per prima cosa posizionarle con la maniglia semovente parallela alla superficie del pannello di vetro. Tenendo delicatamente la ventosa contro il vetro, sollevare la maniglia semovente finché non è parallela all'altra maniglia.
Se la ventosa non aderisce, provare a ripulire il pannello di vetro e la ventosa con un solvente delicato, come i detergenti per i vetri.

At this stage and later handling the LCD I found thin cotton gloves helped to reduce smudges

john31 -

My GPS unit's car mount suction cup worked nicely here - couldn't find any at the store and didn't want to wait for mail order!

Two cups would make it easier but one is fine if you place it in the center and are careful to pull the panel straight out.

Mathew Hendry -

Why use suction cups when some finger nails will do the job nicely, though a plastic spudger might work too. Start at a top corner. Prize the glass away from the case and leave finger nails in. Move the other hand along the top edge and then with finger spread peel the screen cover away. Be careful not to twist plastic I suppose, but I've had no difficulties.

damianwise -

3M Command Strip hooks in opposite corners is another fabulous option when suction cups are not available!

Adam McCombs -

Tape works fine, here. Search for a YouTube video for a simple look-see.

Richard -

I didn't have any suction cups, but my pencil sharpener (the kind that suctions to the table) worked great. I put it on the middle and lifted straight up.

Lisa Mac -

For a quick 'n' dirty alternative "tool" for this step, take a look at IKEA's Stugvik suction hooks: they provide an excellent adjustable grip. Just used it to take apart an EMC2133. Cheers!

hadderakk - 07/01/15

Suction cups usually available at Home Depot or Lowes, in the flooring section. (They're used to handle large ceramic & stone floor tiles.)

Griff in Fairbanks - 01/11/15

I can confirm it is fairly easy to pull it up, the heavy duty suction cups were adequate of course, but pretty sure you can do it without heavy duty stuff? Panel is rather light too.

Julien -

Passo 3

Estrarre delicatamente il pannello di vetro dall'iMac.
Il pannello di vetro presenta diversi piedini di posizionamento lungo il perimetro. Per evitare di staccare i piedini dal pannello di vetro, fare attenzione a rimuoverlo solo tirando verso l'alto.
Pulire con attenzione la parte interna del pannello di vetro e l'LCD, poiché la polvere e le impronte digitali saranno sgradevolmente visibili durante l'accensione del display.

In order to avoid unnecessary smudges and what not I covered the LCD itself with some plastic wrap while doing the hard drive upgrade. When I reinstalled it all I needed to do was blow off a few dust particles.

robgendreau -

While you are at it, it is worth cleaning out dust within the case to help with cooling - particularly around the fans and vents.

For the screen I used a lens cleaner from my camera bag. These have very fine fibers and won't leave detritus.

Mathew Hendry -

Note that the front glass panel is quite light. When reassembling I found it impossible to get the LCD free of dust with the computer lying on its back. I had success with standing the computer up, tilting the LCD down as far as it goes, holding the glass panel upright in front of the computer (about 1 foot away), lightly spraying both the LCD and the back side of the glass panel with compressed air, and then attaching the glass panel (with the computer upright). It took me 5 tries before it was completely clean of dust once the front glass was on.

axel -

Although I do not advise it, you can substitute the suction cups with two strips of duct tape along the sides of the glass, with the tape attached to it's self in the middle of the strip

Erin - 01/09/18

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tuansakong99 - 31/05/19

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Jason Zak - 27/05/21

Passo 4

Rimuovere le 12 viti seguenti, che fissano la mascherina anteriore al case posteriore:
Otto viti Torx T8 da 13 mm.
Quattro viti Torx T8 da 25 mm.

On the 24" EMC2134 there are 3 screw sizes: 6x13, 4x20 & 2x30mm, particular note should be made of their location.

john31 -

Note for the less experienced.. the case is plastic and the metal coarse thread screws will easily cut a new thread in the hole if you don't line up the screw in the original thread. Do this a few times and the hole will be stripped and the screw no longer tightens.

TIP:- place the screw in the hole and rotate BACKWARDS/counter clockwise (for RH threads) until you hear/feel it click/drop into the original thread then tighten the screw down. rotate it a couple times to get the feel of things. If there is any significant resistance you probably don't have the original thread.

This trick also works on the fine metal thread screws and can help avoid cross threading them.

HIH

Richdave -

On the 24 inch iMac Model A1225 EMC #2134, the two T8 Torx screws in the middle are the longer of the four total bottom 25 mm screws. Just a note for reassembly.

bhoffs -

This step is not really explained here with pictures. But you can check this same step in another guide to help you : Installazione della mascherina anteriore nell'iMac Intel EMC 2266 da 20"

thibault - 16/05/15

I'll echo Thibault's comment. This guide does not actually tell you when and/or how to remove the bezel! Click on the other guide he linked to see the photo and instructions.

steven - 13/08/15

Make sure you're ram slot at the bottom is open to remove front frame bezel

edgain99 - 31/05/16

I think you're missing this step: With the iMac lying on its back screen facing up, grasp the aluminum sides of the bezel and carefully pull it straight up. Then disconnect the microphone cable. Took me a while to figure it out.

Richard Cacciato - 27/12/16

I found it helpful to use a few lids from spaghetti sauce jars to hold the different screws. I used a sharpie to mark the inside of the lid w/ location taken from or the step number from directions. Then I placed a small magnet under the lid to hold the screws inside the lid in case I accidentally jostle something on the table. Worked great! You can also use a magnetic knife bar to line up the lids in sequential for the project.

tom - 05/10/17

I cut a hardwood block and drew the outline of the the iMac shape with the base as key. I then drew another two lines at 1/2” and 1” all around from the outline. This done I drilled holes for each screw (12 Outer securing the front bezel to the rear case , and 8 Inner screws securing the display panel to the rear case ). That way I don’t lose any or get them mixed up.

jmadams - 13/06/18

I think the title of this chapter could be (in french) désinstallation but not Installation with is the contrary. Idem for the other chapters.

Bertrand Guigaz - 30/12/19

Passo 5

Metti le mani agli angoli superiori della cornice (di lato) e solleva la cornice a 2-3 cm dal corpo lavorando dall'alto. Dopodiché puoi anche sganciare la parte inferiore della cornice (i moduli di memoria impediranno che la parte inferiore della cornice si stacchi prima). Durante il rimontaggio, inizia con la parte inferiore della cornice.
La parte superiore della cornice ospita un microfono collegato alla scheda logica. Solleva delicatamente la cornice per non danneggiare il cablaggio o il connettore del microfono tirando accidentalmente il cavo.
A questo punto, puoi staccare il cavo del microfono e rimuovere la cornice, oppure tenere il cavo del microfono attaccato e appoggiare la cornice sul piano di lavoro o sulla scocca del Mac.
Per staccare completamente la cornice: scollega il connettore del cavo del microfono, rimuovendo il nastro adesivo se necessario.
Per tenerlo collegato, lascia il cavo del microfono collegato alla scheda logica e posiziona la cornice "sopra" la scocca, con il cavo del microfono che forma un cardine.
Se tieni il microfono attaccato alla scocca, assicurati di non danneggiare accidentalmente il microfono o la scheda logica urtando la cornice allentata.

I avoided this step by just flipping the housing over and having it lay flat on the table. The tape on mine was on really tight, and I risking ripping the wires out of the connector if I messed with it (I didn't have some really small scissors which might have helped removing it). I would suggest either securing the body of the iMac and the housing to the table you're working on, or somehow securing the housing to the body, so that it doesn't move around accidentally, since it's only hanging on by a very thin wire at that point.

robgendreau -

^^^ This! This tutorial should be amended for this step. Much, much easier and less damage-prone.

(There really oughta be a step addressing the removal of the bezel as well.)

cklarson - 11/07/18

Make sure you do not pull this apart by the wires. Have a firm grasp on the plastic parts. Do not force back together. It only goes back together one way. Also, it is crucial when placing the aluminum bezel back in place that this wire is out of the way. It often gets in the way and is easily damaged.

Kyle Freeman -

CAUTION - To disconnect the cable, you'll need to support the bezel while you carefully extract slack microphone cable which is tightly tucked within the iMac. (I didn't have this guide's 'notes on' and missed robgendreau's warning - then inadvertently shifted the bezel and busted my microphone cable in this step.)

dagnew -

Don't forget to pull the microphone cord out before you put the panel back on. Otherwise you will have to go back and remove screws to find that microphone cord

Melvin Hines -

As robgendreau says, avoid this whole step by opening the bezel and laying it upside down above the iMac, still connected by the mic cord, just carefully. Then replace the battery, suck/blow out your dust, and carefully rotate the front bezel back over the iMac from where you removed it. No cord manipulation or damage at all!

recmsoj - 02/03/15

When reassembling the bezel, you should actually gently pull the microphone connector (and cables) through the ~1 inch long slot in the bezel next to the iSight camera, when lowering the top part of the bezel onto the chassis . Then further lower the bezel onto the chassis of the iMac, while making sure there’s no room / play between the bottom of the bezel and the bottom of the body (where the memory slots reside). . This way you’ll avoid damaging the microphone cable. Finally gently push the microphone wires and connector through that sale long slot in the bezel to conceal them inside the bezel.

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tuansakong99 - 31/05/19

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Jason Zak - 27/05/21

The tutorial video is great, but they were fortunate to have such a long microphone cable to work with. The iMac I just upgraded had a cable on the system side (not the one on the bezel) that is barely long enough to provide enough play to be able to grasp the connectors when re-attaching them.

Disconnecting the microphone cable is done automatically, when you breathe on it. Or look at it. Or reattach the bezel and get it screwed down.

However, it should be noted that this connector is a LUXURY compared to the first-gen ("polycarbonate") Intel iMacs. Those come configured with the auto-slice microphone cable: the cable simply shears off during disassembly of the case.

Boyd Waters -

Passo 6

Quando si rimonta la cornice:
assicurarsi di infilare il cavo del microfono e il connettore nel foro vicino alla scheda della telecamera.
Far passare delicatamente il connettore e i cavi del microfono attraverso lo slot lungo 2-3 cm a destra della telecamera iSight. Una volta che la cornice è stata montata correttamente, spingere delicatamente il connettore del microfono e il cavo nella cornice attraverso quella fessura.

Passo 7

Tira direttamente via il cavo Bluetooth dalla sua presa.
Tira il connettore parallelamente rispetto alla faccia della scheda Bluetooth.

Passo 8

Utilizza l'estremità piatta di uno spudger per fare leva verso l'alto sul connettore dell'antenna Bluetooth per rimuoverlo dalla scheda Bluetooth.

Passo 9

Rimuovi la singola vite Torx T6 da 5,4 mm che fissa la scheda Bluetooth alla scheda logica.
Dopo aver rimosso la vite, la scheda Bluetooth è completamente libera dalla scheda logica e potrebbe cadere.
Solleva e tira fuori la scheda Bluetooth dal tuo iMac.

Sostituzione scheda Bluetooth iMac Intel 20" EMC 2133 e 2210

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