488 MKII counter issue

Capeck0112

New Member
Joined
Dec 30, 2025
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Gear owned
Tascam 424 MK1
Hello,

I am working on a 488 MKII and I have an issue where when you engage the play/rew/ffw the tape head will engage for just a second then disengage before the counter can even change to 1 second.

I have replaced the belt, motor, gear c as well as looked for any components that look bad/damaged.

I read on a couple other forums that it could be the hall sensor that controls the digital counter but I am having trouble finding what that part is, or where it is on the machine to replace.

If anyone has had this issue or knows where the part is located it would be greatly appreciated! Thank you!
 

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