Looking for Panasonic RQ-309DS Service Manual and User Manual

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Looking for Panasonic RQ-309DS Service Manual and User Manual

I have a Panasonic RQ-309DS that won't record and I'm looking for the service manual and user manual. Anyone?

Also i need to know what cable to use it for the Apple 1 Cassette Interface.

Thanks.

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Re: Looking for Panasonic RQ-309DS Service Manual and User ...
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Re: Looking for Panasonic RQ-309DS Service Manual and User ...

Thanks Steven!

Any free official service manual for this?

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Re: Looking for Panasonic RQ-309DS Service Manual and User ...
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Re: Looking for Panasonic RQ-309DS Service Manual and User ...

Does the unit have issues with recording voice using the microphone as well?

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Re: Looking for Panasonic RQ-309DS Service Manual and User ...

IEEE-802 wrote:
Does the unit have issues with recording voice using the microphone as well?

I opened the unit a while ago and it looks like something is stucked that won't let the "RECORD" button to press down. I manually pushed something inside the unit to record and it works for both of the MIC input and CONDENSER MIC. The unit did not come with any microphone so i just used my ipod touch to record connect it to the MIC input. I'm surprised that the sound recording quality is good! not bad at all. Voice recording using the built-in condenser mic is also good.

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Re: Looking for Panasonic RQ-309DS Service Manual and User ...

I would check for the following things:

  • Is there is a missing spring on the record mechanism ? When you opened the unit did any small parts fall out ?
  • If all the parts seem to be there, trying lubricating the record mechanism, being careful not get anything on the record or playback heads.
  • If you could post a photo of the mechanism, I might be able to give some other suggestions.

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Re: Looking for Panasonic RQ-309DS Service Manual and User ...

i'll get back to you with pictures when i get home

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Re: Looking for Panasonic RQ-309DS Service Manual and User ...

I serviced that exact model in a Panasonic warranty service center many years ago so very familiar with it. The reason the record switch doesn't go down is there is a mechanical lock mechanism that gets slid back by the write protect notch on the cassette tape. If that notch cover is missing on the tape or the metal tab in the back is bent back, the record switch will not go down. The tab should slide easily back with your finger. I think it's on the left side in back of the cassette opening looking from the front. Also there is a multi-contact record/play switch on the PCB that gets moved by the record button. That can cause no record, just clean it with contact spray cleaner. Oxide buildup on the head can cause it to play ok but weak recording also. Boy, this brings back memories. I serviced hundreds of those portable cassette players back in the day.

Larry G

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Re: Looking for Panasonic RQ-309DS Service Manual and User ...

retrogear wrote:
I serviced that exact model in a Panasonic warranty service center many years ago so very familiar with it. The reason the record switch doesn't go down is there is a mechanical lock mechanism that gets slid back by the write protect notch on the cassette tape. If that notch cover is missing on the tape or the metal tab in the back is bent back, the record switch will not go down. The tab should slide easily back with your finger. I think it's on the left side in back of the cassette opening looking from the front. Also there is a multi-contact record/play switch on the PCB that gets moved by the record button. That can cause no record, just clean it with contact spray cleaner. Oxide buildup on the head can cause it to play ok but weak recording also. Boy, this brings back memories. I serviced hundreds of those portable cassette players back in the day.

Larry G

Thank you so much Larry G! I took off the tape and noticed the left write-protect is broken. Put in a smal crampled paper and the recording now works. Smile

One more thing, does the steel handle have any lock mechanism or is just a free-pull-push handle? Sorry I'm not sure how to describe it in English.

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Re: Looking for Panasonic RQ-309DS Service Manual and User ...

The carrying handle? No it just slides in and out.

Larry G

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