해당 분해도에 사용된 도구

소개

This is a basic teardown of the venerable TI-82 calculator.

해당 분해도는 수리 안내서가 아닙니다. Texas Instruments TI-82 수리는 저희 서비스 설명서를 사용하십시오.

The calculator comes with a matching protective shield which slides down over the front; when the calculator is in use, you can slide it over the back.  This is a nice touch, as it makes the cover much more difficult to lose.
  • The calculator comes with a matching protective shield which slides down over the front; when the calculator is in use, you can slide it over the back. This is a nice touch, as it makes the cover much more difficult to lose.

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Flip the device over to access the battery cover. Using a spudger, pry the release tab down and then pull the battery door up and off the calculator. Remove:
  • Flip the device over to access the battery cover.

  • Using a spudger, pry the release tab down and then pull the battery door up and off the calculator.

  • Remove:

    • 2 7.2mm Phillips #0 screws

    • 1 15.3mm Phillips #0 screw, and a battery retaining clip.

  • The CR1616 coin cell battery preserves settings and programs in memory while the main batteries are being changed.

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Insert a spudger into the seam between the two halves of the case, and pry it apart.
  • Insert a spudger into the seam between the two halves of the case, and pry it apart.

  • Watch out for corrosion in older calculators around the battery terminals -- this is why you should never leave batteries in electronics for extended periods of time.

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Opening the two halves of the calculator reveals a foil shield over the rest of the electronics.
  • Opening the two halves of the calculator reveals a foil shield over the rest of the electronics.

  • Remove four Phillips screws to access the electronics underneath, then pull the shield away.

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... And, here's the guts of the thing.
  • ... And, here's the guts of the thing.

    • SRM20255LLM10 / F4ZM1938 (32Kbyte SRAM)

    • LH531GP4 (Mask ROM)

    • T 84C00AM-8 (Z80 CPU)

    • Toshiba / TC14L010AF / 1273 9506EAI (ASIC)

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Remove the remaining Phillips screws. The screen and main board will lift out, leaving the membrane keypad in the front case.
  • Remove the remaining Phillips screws.

  • The screen and main board will lift out, leaving the membrane keypad in the front case.

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bushing

회원 가입일: 2010년 04월 23일

9,026 평판

안내서 17개 작성하였습니다

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