Where can I find a manual for a Panasonic SA-AK320? So far, all I've been able to find is for the "SC" AK320....

Panasonic SC-AKX710 user manual (English - 104 pages)

Manuals.ca https://www.manuals.ca > hi-fi systems > Panasonic

Manual Panasonic SC-AKX710. View the Panasonic SC-AKX710 manual for free or ask your question to other Panasonic SC-AKX710 owners.

Panasonic SC-AKX710 Operating Instructions Manual ...

ManualsLib https://www.manualslib.com > manual > Panasonic-Sc-...
Panasonic SC-AKX710 Manual Online: Preparing Media. Disc 1 Press [x] on main unit to open the disc tray. Put in a disc with the label facing up.

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The versus Google query is useful

https://www.google.com/search?q=Panasonic+SA-AK750+vs+Panasonic+SC-AK750

which leads to

https://www.kleinanzeigen.de/s-anzeige/panasonic-sa-ak750-hi-fi-stereo-tape-usb-5x-cd/2580715678-172-2463
and
https://www.bhphotovideo.com/c/product/487963-REG/Panasonic_SC_K750_SC_AK750_660W_5_CD.html

And the manual explains they are the system and the main unit

System (model name) SC-AK750
Main unit (designation) SA-AK750
Front speakers SB-AK750
Subwoofer SB-WAK750

Here is the manual

Panasonic SC-AK750 Operating Instructions Manual

ManualsLib https://www.manualslib.com > manual > Panasonic-Sc-...

View and Download Panasonic SC-AK750 operating instructions manual online. Philips CD Stereo System Operating Instructions. SC-AK750 stereo system pdf ...

CD Stereo System

Panasonic https://www.panasonic.ca > ALL > rqtv0200-p
These operating instructions are applicable to the following system. System. SC-AK750. Main unit. SA-AK750. Front speakers. SB-AK750.

Here is the remote control for it.

https://www.google.com/search?q=panasonic+sa-ak750+replacement+remote+control

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Service Manual, you need to test and/or replace.

Panasonic SA-AK47 Service Manual - ManualsLib

https://www.manualslib.com > manual > Panasonic-Sa-...

View and Download Panasonic SA-AK47 service manual online. SA-AK47 stereo system pdf manual download. Also for: Sb-ak47.

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  Panasonic SC-AK47 Operating Instructions Manual

  https://www.manualslib.com > ... > SC-AK47
  
  View and Download Panasonic SC-AK47 operating instructions manual online. Mini Stereo System with 5-CD Changer. SC-AK47 stereo system pdf manual download.
  
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If you think that is bad...see what F62 will do.

Its broken....can't you see that?

That's because you haven't set the clock on the system. I jumps to DEMO mode once you turn it off without the clock set. Clock can be set through your remote. Hope this helps. Cheers.

Start checking audio aoutput settings.

CD Spindle motor maybe at fault.

i suggest that you can connect a subwoofer through a Pionner's like power amp and adjust it only with lowpass filter... you need a battery and a charger. and that's it.