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CMT-CP1 Rotary encoder cleaning/replacing

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  1. CMT-CP1 Rotary encoder cleaning/replacing, remove cover: 步骤 1 中的图像 1,2 CMT-CP1 Rotary encoder cleaning/replacing, remove cover: 步骤 1 中的图像 2,2
    • Remove the screws

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  2. CMT-CP1 Rotary encoder cleaning/replacing, remove flex cables: 步骤 2 中的图像 1,1
    • Remove the flex cables with easy access

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  3. CMT-CP1 Rotary encoder cleaning/replacing, remove screws: 步骤 3 中的图像 1,2 CMT-CP1 Rotary encoder cleaning/replacing, remove screws: 步骤 3 中的图像 2,2
    • Remove the screws on both sides and on the bottom

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  4. CMT-CP1 Rotary encoder cleaning/replacing, remove more cables: 步骤 4 中的图像 1,1
    • Remove the front and the rest of the cables

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  5. CMT-CP1 Rotary encoder cleaning/replacing, remove cassette deck: 步骤 5 中的图像 1,2 CMT-CP1 Rotary encoder cleaning/replacing, remove cassette deck: 步骤 5 中的图像 2,2
    • Remove the cassette deck (this is to access the screw beneath it)

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  6. CMT-CP1 Rotary encoder cleaning/replacing, remove pcb: 步骤 6 中的图像 1,1
    • Remove the screws (you have to remove the casetdeck to access the orange screw)

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  7. CMT-CP1 Rotary encoder cleaning/replacing, remove knob: 步骤 7 中的图像 1,2 CMT-CP1 Rotary encoder cleaning/replacing, remove knob: 步骤 7 中的图像 2,2
    • Remove the volume knob and the screw behind it

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  8. CMT-CP1 Rotary encoder cleaning/replacing, remove more screws: 步骤 8 中的图像 1,1
    • Remove the screws

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  9. CMT-CP1 Rotary encoder cleaning/replacing, lift up one side: 步骤 9 中的图像 1,1
    • carefully lift up one side of the cassette deck and remove the pcb

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  10. CMT-CP1 Rotary encoder cleaning/replacing, open the rotary encoder: 步骤 10 中的图像 1,1
    • Remove the taps to the side carefully

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  11. CMT-CP1 Rotary encoder cleaning/replacing, clean the rotary encoder: 步骤 11 中的图像 1,3 CMT-CP1 Rotary encoder cleaning/replacing, clean the rotary encoder: 步骤 11 中的图像 2,3 CMT-CP1 Rotary encoder cleaning/replacing, clean the rotary encoder: 步骤 11 中的图像 3,3
    • clean up your rotary encoder with a screwdriver, also the inside!

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结论

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

取消:我没有完成这个指南。

4等其他人完成本指南。

3指南评论

Hi Jacco, thanks for this guide. What device is this? As the instructions for disassembly are somewhat specific, this could be interesting. For cleaning the encoder, you seriously recommend to do that using a screwdriver? I find the spring contacts inside these encoders rather delicate typically and they would easily take damage if the wrong tool is used for cleaning. I must recommend to use 1) a lot of care, 2) nothing that is tougher than cotton buds, 3) alcohol, and 4) contact spray eventually to keep things clean and coated against future oxidation. Usually there is no need for scrubbing if contacts are gold plated. Oxidation might be an issue otherwise but that is best removed with chemical anti-oxidation agents, and if that does not help, a (very) soft metal brush, or maybe very fine grain sandpaper, applied with as little pressure as possible of course. A screwdriver will easily scratch surfaces or bend contacts, both of which will cause the encoder to drop out again sooner than later.

JoeMuc2014 - 回复 分享

Hi,

I have a CMT CP1 That turns on the screen works everything I the screen seem working. But when I try to launch tuner or cd or tape nothing is working. The display says the cd is opening then nothing it says it closing but physically doesn't do anything

Chakal ovski - 回复 分享

I agree with JoeMuc2014 - May 16, 2018

Contact cleaner, or IPA with cotton buds.

Phil - 回复 分享

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