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 Forum index » DIY Hardware and Software » The Repair Shop
Casio CZ1 Relay Bypass help
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monobobby



Joined: Aug 27, 2016
Posts: 2
Location: US

PostPosted: Sat Aug 27, 2016 8:03 am    Post subject: Casio CZ1 Relay Bypass help
Subject description: Need some help bypassing the relay
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Hi everyone.
I was wondering if someone who was a bit more experienced than I am might be able to help me out a bit. I recently picked up a Casio CZ1 that had some low volume output/low and scratchy stereo chorus issues. I read up on these issues with the CZ1 and found out that it might be related to a relay that had gone bad. I went out and picked up a replacement relay, but having never desoldered anything before (and not having a desoldering tool), I ended up jacking up the board, and burnt off two of the contact strips around the holes where the relay goes. I eventually was able to get the new relay soldered in (I put aluminum foil around the relay posts in order to have the solder stick to them -- was this really stupid? Did I just accidentally create an explosive device? I don't know), but none of that fixed the problem. I powered it up and the low volume was still an issue.

I'm assuming I ruined something with my botched soldering job. I've seen other people mention that the relay circuit could just be bypassed altogether. I'm wondering if that might fix my problem.

I'd definitely appreciate any help or advice you all might have. Thank you for reading.

Last edited by monobobby on Sat Aug 27, 2016 10:41 am; edited 2 times in total
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MusicMan11712



Joined: Aug 08, 2009
Posts: 1082
Location: Out scouting . . .

PostPosted: Sat Aug 27, 2016 9:31 am    Post subject: Reply with quote  Mark this post and the followings unread

[removed due to personal reasons]
Last edited by MusicMan11712 on Tue Nov 15, 2016 8:50 pm; edited 1 time in total
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monobobby



Joined: Aug 27, 2016
Posts: 2
Location: US

PostPosted: Sat Aug 27, 2016 5:48 pm    Post subject: Reply with quote  Mark this post and the followings unread

Hi,

First of all, thank you for replying. I joined the yahoo group and have asked the question on there as well.

I wonder if it might be as easy as taking the relay out. Is that stupid? I really am pretty new to this.

I also am considering taking a wire to the output and touching it against contacts to find a way to get around the bypass circuit. I assume that there's a schematic showing where the signal is being routed on the circuit board, but honestly that seems to be beyond my current experience.
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