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소개

The control PCB is attached to the inside of the back panel, and provides access to adjustment knobs and inputs and outputs for the B212D speaker.

부품

부품은 필요하지 않습니다.

  1. Unplug your speaker from the power outlet.
    • Unplug your speaker from the power outlet.

    • Remove the 8 Phillips screws from the back of the speaker.

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  2. Carefully remove the back panel, lifting out the metal electronics-box with it.
    • Carefully remove the back panel, lifting out the metal electronics-box with it.

    • To avoid damaging your speaker, remove slowly, as there is still a wire attached from the electronics box to the speaker.

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    • There are two silver, 6 mm-long machine screws with two 1/8" inner-diameter washers on the exterior of the metal electronics box; remove these first using a #2 philips screwdriver.

    • There are five of the same type of machine screw (silver, 6 mm-long) remaining around the metal electronics box's exterior; remove these as well.

    • You should have removed a total of 7 machine screws and 2 washers.

    • The reason for removing the two screws with the two washers first (or replacing them last when reassembling) is that their holes are actually slots. They are designed as slots to accommodate slop in the assembly, and if unscrewed out of order, you may have difficulty while removing - or possibly even damage - the other five screws.

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    • Remove the portion of the metal housing that you freed with the 7 screws in the previous step.

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    • Inside the metal electronics box housing is a white clip attached to a small PCB; remove this.

    • The white clip in this image has been glued, indicating that the manufacturer may not expect the end user to remove this clip; it is difficult to proceed with the disassembling without doing so, however, because the rest of the speaker does not provide a sufficient surface on which to work.

    • Snake the clip head through the hole in the metal electronics box casing.

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    Fixmas/픽스마스 분위기를 띄우세요
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    • Remove the 4, 7/32" long machine screws with a #2 phillips head screwdriver.

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    • Rotate the back panel so you can view the interior; note the three wires attached.

    • Remove the wires to you can fully remove the back panel.

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    • Remove the 4 indicated 9/32" long screws with the #1 phillips head screwdriver

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    • Remove the plastic cover.

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    • Remove all three of the knobs by pulling them straight up.

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    • Remove the 4 indicated 9/32" long screws using a #1 phillips head screwdriver.

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    • Remove the 2 indicated 3/16" long machine screws with a #1 phillips head screwdriver.

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    • The control PCB is free now, ready to be removed from the speaker's back panel.

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결론

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

다른 한 분이 해당 안내서를 완성하였습니다.

gameslammer7

회원 가입일: 2012년 03월 29일

861 평판

안내서 6개 작성하였습니다

In Step 3 there are 2 more screws, along the side of the 'electronics box’.

The washer and nut securing the 1/4” socket also need to be removed.

plasticmojo - 답글

Where do I find a replacement control PCB for my B212A??

jcard2002 - 답글

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