D6450 datarecorder

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By herres88

Rookie (26)

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28-06-2021, 10:39

I have a D6450 (looks like NMS1515) datarecorder which worked fine with a 9volt adapter. Since a couple of days it stopped fast forwarding and rewinding. When i use one of these buttons, it’s sounds like it’s working for a couple of seconds but it them pushes the buttons back and stops. You can hear gear spinning but the wheels won’t turn. When i press play, stop or pause, it just works fine.

I decided to unscrew it and look inside. I can’t see anything weird going on or anything broken.

Anyone who knows how to fix this?

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By jltursan

Prophet (2561)

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28-06-2021, 12:59

Maybe the gears have broken teeth?, it's a common problem with the Philips datarecorders.
...or belts are in bad shape of course...

By herres88

Rookie (26)

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28-06-2021, 16:14

Are there multiple belts? I only saw one when i opened it. Also, the gears seem te be turning just fine.

By fenama

Expert (72)

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28-06-2021, 21:30

Check the marked gears, they are the ones that deteriorate

[img]D6450[/img]

By herres88

Rookie (26)

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29-06-2021, 03:03

Well well well, look what i just found. A discoloured and broken gearwheel. How the fuck does that thing turn yellow in the dark?

By sdsnatcher73

Prophet (2353)

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29-06-2021, 07:46

Unlike what I thought myself for a long time, it appears plastic actually turns dark/yellow with heat not sunlight. Paint on stickers fades with sunlight. Sunlight actually helps in retrobrighting (although not very useful for internal broken parts Wink)

By journey

Hero (537)

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29-06-2021, 14:15

herres88 wrote:

Well well well, look what i just found. A discoloured and broken gearwheel. How the fuck does that thing turn yellow in the dark?

Have you recently eat pasta "farfalle" type near the datacorder? LOL!

By fenama

Expert (72)

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30-06-2021, 20:54

There are 3 gears with a degradable plastic type, you will have to replace these 3 gears.
Here you can find them https://www.thingiverse.com/thing:3877723

By herres88

Rookie (26)

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01-07-2021, 15:34

Thank you, i suppose i’ll have to get these printed?

By fenama

Expert (72)

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01-07-2021, 16:40

yes, they have to be printed

By MDDRED

Expert (70)

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26-11-2021, 21:56

To get to the wheels and replace them with the 3D printed ones, remove the metal piece where the circle is and lower the compact piece downwards and press the tabs where the arrows are.

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