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Released August, 2010. Identified by part number: 884354009250.

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One channel is not recording properly. Can I fix it?

The L channel input isn't working. It seems to be picking up some low levels signal of some sort every now and then, and on playback there appears to be an almost silent low level recording, but the usable recording is effectively mono (R channel only)

I've opened it to try and see if there is a loose connection, but there is none that I can see, which makes it seem like the problem might be electrical / with the logic board.

Is this fixable at all? And if so, how?

And, if not by me, then where could I send/take it to be repaired? (I'm based in London)

The recorder is no longer under warranty, but I really don't want to have to trash it / replace it with a new one. I'm positive there must be some way of repairing it. Really hoping the answer can be found in this helpful forum!

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My R channel is not working. How do i solve it. Suggest me.

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I too created an account just to say thank you!!! I had given up on my Zoom H4N and was looking on eBay for a replacement. Oh, happy days.

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I just faced this problem and solved myself EASILY.

I have 1 old and 1 new, and this only happens to the OLD one.

This often happens when I insert a line-in plug. It works all ok when line-in. But when I pull out the plug, the R channel becomes either silent or noisy, randomly.

When the problem happens, just PLUG IN AGAIN. Sometimes I try several times to solve it.

*I believe alectronic is right. This problem happens after using the line-in plug intensely.

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16 comentários:

I was —this close— to replacing my H1 because it was only recording one channel, and your simple little trick worked to restore it. Thanks!

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Oh man! I created this account just to thank you. I thought I had ruined the H1 but I just connected a plug in the Line In several times and it worked. Maybe it was dust or something causing the noise in that jack.

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and 3 years later you're still helping someone who got disheartened by this issue!

Thank you! It worked!! Dori

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@danestor.nu Hey man! How did you solve the problem?

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Me too! Thanks-happened right in the middle of a project, too! I'll,keep that line-in jack clean from now on.

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I had this same problem on the ZOOM H1 after it had not been used for a while.

It turned out to be a problem with the line-in/external microphone socket.

After using external microphones with the device for a while it seems that the socket became tarnished/corroded or just dirty.

A gentle squirt of WD40 and some massaging with a line-in plug (insert and remove, and rotate a bit) and thin cotton buds completely cured the problem. It was not necessary to open the device up.

When the line-in plug is removed, the socket works by re-connecting the internal microphones to the circuit. This is a mechanical event inside the line-in socket itself, basically just metal fingers resting against each other which are pushed out of the way when a line-in/mic plug is inserted. If when the plug is removed, these 'fingers' do not close properly, the internal mics will effectively have a bad connection on one channel or the other (or both). Perhaps the plug-in power causes different metals to build up slight corrosion but it is easily wiped off using the above method.

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