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iMac G5 20" Model A1076 Inverter Replacement

iMac G5 20" Model A1076 Inverter Replacement

Walter Galan

Walter Galan e 6 outros colaboradores

Última atualização em April 25, 2024

Nenhuma estimativa
Moderada

Introdução

Vá para o passo 1

Use this guide to replace your display inverter.

O que você precisa

Peças

Ferramentas

  • Phillips #1 Screwdriver
    Phillips #1 Screwdriver
  • Spudger
    Spudger

Exibir mais…

A iFixit ganha comissão quando você compra por estes links.

  1. iMac G5 20" Model A1076 Inverter Replacement, Rear Panel: passo 1, imagem 1 %32

    • Lay the iMac display-side down on a flat surface (putting a cloth under the screen to protect it from bumps).

    • Loosen the three Phillips screws securing the rear panel to the iMac.

    • These screws are captive in the iMac. The center screw will stop turning after about 3.5 turns and the outer screws will stop turning after about 5.5 turns. Do not try to remove these screws from your iMac.

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  2. iMac G5 20" Model A1076 Inverter Replacement: passo 2, imagem 1 %32 iMac G5 20" Model A1076 Inverter Replacement: passo 2, imagem 2 %32

    • Lift the rear panel slightly near the bottom of the iMac.

    • Pull the rear panel toward yourself and remove it from the iMac.

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  3. iMac G5 20" Model A1076 Inverter Replacement, RAM: passo 3, imagem 1 %32 iMac G5 20" Model A1076 Inverter Replacement, RAM: passo 3, imagem 2 %32

    • Rotate each of the two RAM retaining arms away from the RAM chip.

    • The chip will partially pop out at the same time as the arms are pulled out to either side.

    • Pull the RAM chip straight away from its socket.

    • Repeat this process for the other RAM chip.

    • Be sure the RAM arms are rotated fully outward before installing new RAM chips.

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  4. iMac G5 20" Model A1076 Inverter Replacement, Inverter: passo 4, imagem 1 %32

    • Remove the following three screws securing the inverter to the chassis:

    • Two 7.9 mm Phillips.

    • One 26 mm Phillips.

    • When reinstalling the inverter, be careful to route the purple and black cables around the screw mount. It is very easy to pinch the cable and damage the insulation.

    Editar

  5. iMac G5 20" Model A1076 Inverter Replacement: passo 5, imagem 1 %32 iMac G5 20" Model A1076 Inverter Replacement: passo 5, imagem 2 %32

    • Slide the inverter toward the edge of the mid-plane, then lift it out of the iMac.

    • Be careful to not pry up against the RAM brackets.

    • When reinstalling the inverter, press the blue and white cables down in the edge of the midplane before lowering the inverter down into the midplane. The black cable can be routed near the hard drive thermal sensor cable.

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  7. iMac G5 20" Model A1076 Inverter Replacement: passo 6, imagem 1 %32

    • Disconnect the large inverter cable connector from the inverter by pulling straight away from its socket.

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  8. iMac G5 20" Model A1076 Inverter Replacement: passo 7, imagem 1 %32

    • Disconnect the small inverter cable connector by pulling it straight away from its socket.

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  9. iMac G5 20" Model A1076 Inverter Replacement: passo 8, imagem 1 %32

    • Disconnect the hard drive thermal sensor cable from the thermal sensor board on the hard drive bracket by pulling the cable away from the heat sink.

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  10. iMac G5 20" Model A1076 Inverter Replacement: passo 9, imagem 1 %32

    • Gently pull the black inverter cable to disconnect it from the logic board.

    • If you have trouble plugging this cable back in during reinstallation, remove the fan duct for more room to work.

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  11. iMac G5 20" Model A1076 Inverter Replacement: passo 10, imagem 1 %32

    • Flip up the inverter cable cover from its left edge and lift it out of the chassis.

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  12. iMac G5 20" Model A1076 Inverter Replacement: passo 11, imagem 1 %32

    • De-route the inverter cables from the inverter cable cover hook.

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  13. iMac G5 20" Model A1076 Inverter Replacement: passo 12, imagem 1 %32 iMac G5 20" Model A1076 Inverter Replacement: passo 12, imagem 2 %32 iMac G5 20" Model A1076 Inverter Replacement: passo 12, imagem 3 %32

    • Remove the inverter cables from the inverter cable cover, and disconnect both connectors.

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  14. iMac G5 20" Model A1076 Inverter Replacement: passo 13, imagem 1 %32 iMac G5 20" Model A1076 Inverter Replacement: passo 13, imagem 2 %32

    • If you wish to replace just the inverter board, use a spudger to pry off its plastic cover.

    Editar
Conclusão

To reassemble your device, follow these instructions in reverse order.

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