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iMac Intel 20" EMC 2266 Teardown

Publicado em: September 1, 2009
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Teardown

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Introdução

We picked up the new iMac 20" from our local Apple store on March 3rd.

Este teardown (desmontagem analítica) não é um guia de reparo. Para reparar seu/sua iMac Intel 20" EMC 2266, use o nosso manual de serviço.

  1. It's here! We turned it on (only briefly, of course); the LCD display is beautifully clear, even though its resolution (1680x1050) is smaller than the 1920x1200 resolution found in the MacBook Pro 17" Unibody.

    • It's here!

    • We turned it on (only briefly, of course); the LCD display is beautifully clear, even though its resolution (1680x1050) is smaller than the 1920x1200 resolution found in the MacBook Pro 17" Unibody.

    • The speakers are also surprisingly loud and clear, given that the sound seemingly comes out of nowhere...

    • Feel free to comment on specific steps as we go. We'll do our best to accommodate any special requests for pictures.

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  2. The ports:

    • The ports:

    • Optical digital audio out / in

    • Four USB 2.0 ports

    • FireWire 800, 7 watts

    • Gigabit Ethernet

    • Mini DisplayPort (with support for DVI, dual-link DVI, and VGA)

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  3. Look at those lovely cords. Yay for cords. Going wireless will add an extra $50 to your iMac's pricetag -- $20 for the mouse and $30 for the keyboard. Apple should really have an Aluminum mouse. The included white plastic Mighty Mouse looks like something thrown in as an afterthought.

    • Look at those lovely cords. Yay for cords. Going wireless will add an extra $50 to your iMac's pricetag -- $20 for the mouse and $30 for the keyboard.

    • Apple should really have an Aluminum mouse. The included white plastic Mighty Mouse looks like something thrown in as an afterthought.

    • Our keyboard has no number pad, but in their online store Apple offers a "keyboard with numeric keypad" as a no-cost alternative to the standard one.

    • Apple confirmed that nothing from the PC world was used in the creation of this iMac, as evident by the "Everything Mac" slogan.

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  4. It has begun. Unscrewing the single exterior screw -- the RAM cover. We brainstorm on what magical wonders may lie underneath...

    • It has begun.

    • Unscrewing the single exterior screw -- the RAM cover. We brainstorm on what magical wonders may lie underneath...

    • Behold: RAM!

    • Unfortunately, this is the extent of Apple-approved user-serviceability for this iMac.

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  5. We use only the best parts around here. Our suction cups come straight from Maranello, Italy (in Ferrari red, of course).

    • We use only the best parts around here. Our suction cups come straight from Maranello, Italy (in Ferrari red, of course).

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  6. Fourteen magnets hold the front glass panel in place. Our suction cups were very handy for this operation. The glass panel comes off with a gentle pull straight up. The suction cups made removing the glass surprisingly painless. However, getting dust or fingerprints on either the glass or LCD is a concern. You must make sure both the LCD panel and glass are completely clean prior to reassembly.

    • Fourteen magnets hold the front glass panel in place. Our suction cups were very handy for this operation.

    • The glass panel comes off with a gentle pull straight up.

    • The suction cups made removing the glass surprisingly painless. However, getting dust or fingerprints on either the glass or LCD is a concern. You must make sure both the LCD panel and glass are completely clean prior to reassembly.

    • The rear of the glass has a metallic bezel, as well as seven alignment posts. The magnets that help hold the glass in place are in the iMac's aluminum front bezel.

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  7. The display is less glossy now. Twelve screws are exposed:

    • The display is less glossy now.

    • Twelve screws are exposed:

    • Eight 12.8 mm T8 Torx screws.

    • Four 24.6 mm T8 Torx screws.

    • The front bezel then simply rotates up. The microphone cable must be disconnected before the bezel is entirely free.

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  9. It almost looks like Tim Burton joined the iMac design team...

    • It almost looks like Tim Burton joined the iMac design team...

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  10. We wanted to see how the iMac clock battery (190 mAh) stacks up with the 17" Unibody's behemoth (12,820 mAh), so we put them next to each other: 17" Unibody wins.

    • We wanted to see how the iMac clock battery (190 mAh) stacks up with the 17" Unibody's behemoth (12,820 mAh), so we put them next to each other:

    • 17" Unibody wins.

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  11. Most components are buried beneath the LCD assembly. This isn't a new design for Intel iMacs, but is certainly not as convenient as the rear-accessible iMac G5. Unscrewing the two T6 screws securing the display data cable.

    • Most components are buried beneath the LCD assembly. This isn't a new design for Intel iMacs, but is certainly not as convenient as the rear-accessible iMac G5.

    • Unscrewing the two T6 screws securing the display data cable.

    • After removing the two screws, we pulled the connector straight up, wiggling back and forth as necessary.

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  12. The LCD panel is held in place with eight 11.8mm T8 Torx screws. The LCD in this iMac is not LED backlit, but uses the more traditional CCFL backlight.

    • The LCD panel is held in place with eight 11.8mm T8 Torx screws.

    • The LCD in this iMac is not LED backlit, but uses the more traditional CCFL backlight.

    • There are five cables (four inverter cables and one temperature sensor) to disconnect before the LCD panel can be removed from the iMac.

    • This display is an AU Optronics M302EW02. The manufacture date shown on the back of the LCD is 09/04, that's probably the 4th week of 2009.

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  13. Removing the desktop 320GB SATA hard drive.

    • Removing the desktop 320GB SATA hard drive.

    • After disconnecting the temperature sensor cables, we rotated the long black clip toward the drive to unlock it, then swung it to the side.

    • We then unplugged the SATA cables and pulled out the hard drive without removing any additional screws.

    • This screw-less design for the hard drive is nice, but unfortunately getting to this point requires removing 21 screws.

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  14. Each speaker is attached by one screw and one connector cable. Only the right speaker needs to be removed to gain access to the logic board, but we removed them both. The Bluetooth board is the blue board in the top center.

    • Each speaker is attached by one screw and one connector cable.

    • Only the right speaker needs to be removed to gain access to the logic board, but we removed them both.

    • The Bluetooth board is the blue board in the top center.

    • The 802.11n card is on the right with two antenna wires running to it from below the logic board.

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  15. Removing the logic board. First off, let's disconnect 13 connectors. Next, we remove 10 T10 Torx screws... (Second image)

    • Removing the logic board.

    • First off, let's disconnect 13 connectors.

    • Next, we remove 10 T10 Torx screws... (Second image)

    • ...and 2 T8 Torx screws.

    • It's out! (Third image)

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  16. Apple's flat-panel iMacs have always been an interesting cross between a laptop and a desktop. This iMac features a laptop-style optical drive and RAM, but a desktop hard drive. This is a 12.7mm SATA 8x double-layer SuperDrive.

    • Apple's flat-panel iMacs have always been an interesting cross between a laptop and a desktop. This iMac features a laptop-style optical drive and RAM, but a desktop hard drive.

    • This is a 12.7mm SATA 8x double-layer SuperDrive.

    • As far as we know, this leaves the AppleTV as the only shipping Apple product with a PATA drive.

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  17. As we mentioned earlier, this iMac still uses an LCD with a CCFL backlight. This particular display features four backlights, each of which require their own high-voltage AC power. All four are powered by a single large inverter.

    • As we mentioned earlier, this iMac still uses an LCD with a CCFL backlight. This particular display features four backlights, each of which require their own high-voltage AC power.

    • All four are powered by a single large inverter.

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  18. This is the power supply. If you're doing this at home, be very careful handling it, as capacitors can remain charged even after power has been disconnected from the computer. This iMac isn't very colorful, internally or externally. However, the power supply (once removed) is surprisingly vibrant.

    • This is the power supply. If you're doing this at home, be very careful handling it, as capacitors can remain charged even after power has been disconnected from the computer.

    • This iMac isn't very colorful, internally or externally. However, the power supply (once removed) is surprisingly vibrant.

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  19. The large and awkward logic board. The ports are all soldered directly to the logic board, and connect at a slight angle to fit the curvature of the iMac's rear housing.

    • The large and awkward logic board.

    • The ports are all soldered directly to the logic board, and connect at a slight angle to fit the curvature of the iMac's rear housing.

    • If you want to see more detail, we have hi-res shots of the top and bottom.

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  20. The heat sink directly above the 2.66 GHz Core 2 Duo processor.

    • The heat sink directly above the 2.66 GHz Core 2 Duo processor.

    • The gray and black cable is a temperature sensor, one of at least six we've found in this iMac so far.

    • The processor appears to be socketed, but unfortunately there's a "Warranty void if removed" sticker that must be removed to access it.

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  21. On the 20" iMac the stand is very integrated into the computer. Removing the stand requires you to first remove almost all internal components. The stand is fastened to the housing with 7 T10 Torx screws.

    • On the 20" iMac the stand is very integrated into the computer. Removing the stand requires you to first remove almost all internal components.

    • The stand is fastened to the housing with 7 T10 Torx screws.

    • The stand is very heavy and sturdy. Just the aluminum stand by itself weighs 33.3 ounces -- almost 70% of the weight of a MacBook Air.

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  22. It was a lot prettier when we started.
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8 comentários

Adicionar um comentário

I'd like to see a guide for the replacement of the video card on the iMac Intel 20" using the iMac you used in this guide "iMac 20" Teardown". It is the exact same model I have.

These are really great guides!! I appreciate you doing them!!

Phuztone - Responder

does anyone know if you can upgrade the processor in this model??

Realeyez' the pupil - Responder

yes, but 2007 only with T9300 or T9500

Chris Müller -

Can you tell me if I can use D.C. Power instead of 110 ac?

riouxlm - Responder

Wonderful teardown! I was able to remove the electronic guts and LCD of a broken aluminum imac thanks to this guide. Now I wonder what to do with an empty Aluminum case with stand. It's too thin for an aquarium. Any ideas?

twistedlot - Responder

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