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这个拆解是不是维修指南。 要维修你的的Hitachi KC30 Radio Alarm Clock,请使用我们的维修手册

  1. Hitachi KC30 Radio Alarm Clock Teardown, Removing top cover 1: 步骤 1 中的图像 1,2 Hitachi KC30 Radio Alarm Clock Teardown, Removing top cover 1: 步骤 1 中的图像 2,2
    • Turn the clock upside down

    • Remove the 6 screws.

    • The two front screws are shorter and slimmer.

  2. Hitachi KC30 Radio Alarm Clock Teardown, Removing top cover 2: 步骤 2 中的图像 1,3 Hitachi KC30 Radio Alarm Clock Teardown, Removing top cover 2: 步骤 2 中的图像 2,3 Hitachi KC30 Radio Alarm Clock Teardown, Removing top cover 2: 步骤 2 中的图像 3,3
    • With the help of a pry tool, pop the cover open.

    • Open it from the back towards the clock display.

    • Don't try to separate the cover as both the speaker and the motherboard is still connected!

  3. Hitachi KC30 Radio Alarm Clock Teardown, Removing top cover 3 / Speaker disconnect: 步骤 3 中的图像 1,3 Hitachi KC30 Radio Alarm Clock Teardown, Removing top cover 3 / Speaker disconnect: 步骤 3 中的图像 2,3 Hitachi KC30 Radio Alarm Clock Teardown, Removing top cover 3 / Speaker disconnect: 步骤 3 中的图像 3,3
    • De-solder the speaker connections.

    • Unscrew the button panel from the top cover.

    • Pry out the button panel form the cover.

  4. Hitachi KC30 Radio Alarm Clock Teardown, Removing ALARM switch: 步骤 4 中的图像 1,2 Hitachi KC30 Radio Alarm Clock Teardown, Removing ALARM switch: 步骤 4 中的图像 2,2
    • Remove the ALARM ON/OFF button

  5. Hitachi KC30 Radio Alarm Clock Teardown, Removing FM/AM switch: 步骤 5 中的图像 1,2 Hitachi KC30 Radio Alarm Clock Teardown, Removing FM/AM switch: 步骤 5 中的图像 2,2
    • Remove the FM/AM selector knob

  6. Hitachi KC30 Radio Alarm Clock Teardown, Removing transformer: 步骤 6 中的图像 1,2 Hitachi KC30 Radio Alarm Clock Teardown, Removing transformer: 步骤 6 中的图像 2,2
    • Unscrew the transformer securing screws

    • Pull it out of the socket

  7. Hitachi KC30 Radio Alarm Clock Teardown, Remove motherboard from case: 步骤 7 中的图像 1,3 Hitachi KC30 Radio Alarm Clock Teardown, Remove motherboard from case: 步骤 7 中的图像 2,3 Hitachi KC30 Radio Alarm Clock Teardown, Remove motherboard from case: 步骤 7 中的图像 3,3
    • Remove the screws that secures the motherboard to the base.

    • Grab the motherboard on one side and pry it on the opposite side to release it from the base.

  8. Hitachi KC30 Radio Alarm Clock Teardown, Complete disassembly: 步骤 8 中的图像 1,3 Hitachi KC30 Radio Alarm Clock Teardown, Complete disassembly: 步骤 8 中的图像 2,3 Hitachi KC30 Radio Alarm Clock Teardown, Complete disassembly: 步骤 8 中的图像 3,3
    • For complete disassembly de-solder the transformer.

    • ...and the button (control) board

    • Remember the labelling/wire colours

honakrisi

于01/28/20注册

3,355 声望

创作了7篇指南

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