TDK NX-4CD. Have no 240 volt cord, are these available. Will not work at all on batteries. Where is the connection for the 240 volt chord on the machine?

If your TDK NX-4CD has no volume and the CD door does not open, here are a few steps you can try to troubleshoot and potentially resolve the issue:

1. Check the mute function: Make sure the unit is not set to mute. Look for a dedicated mute button on the unit or on the remote control and ensure it is not activated. If there is no dedicated mute button, check the volume controls and settings to ensure they are not turned all the way down or set to minimum levels.
2. Reset the system: Perform a system reset by disconnecting the power source from the TDK NX-4CD. Unplug the power cord from the electrical outlet and leave it unplugged for at least 10-15 minutes. This will allow the unit to fully power down and reset. After the waiting period, plug the power cord back in and test if the volume issue is resolved.
3. Check the speaker connections: Ensure that the speaker wires are securely connected to the appropriate terminals on the back of the unit. Sometimes loose or disconnected speaker wires can result in no sound. Additionally, check for any visible damage to the speaker wires and repair or replace them if necessary.
4. Clean the CD player mechanism: If the CD door does not open when pressing the Open button, it could be due to a mechanical issue. Gently clean the CD player mechanism using compressed air or a soft cloth to remove any dust or debris that may be obstructing the door's movement. Be careful not to force the door open to avoid causing further damage.
5. Seek professional repair: If the above steps do not resolve the issue, it may indicate a more significant problem with the internal components of the TDK NX-4CD. In such cases, it is advisable to contact a professional audio equipment repair service or contact TDK customer support for further assistance. They will have the expertise and specialized tools to diagnose and repair the specific issues with your unit.

It's important to note that attempting any repairs or disassembling the unit yourself may void any existing warranty and could potentially cause further damage. Therefore, if you are not comfortable with electronics repair, it is best to seek professional assistance.

Check the speaker/s. If found OK; check and replace the damaged component/s at its audio output section circuit board. If needy, replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. Surf the site with patience.
http://electronicshelponline.blogspot.com/

You need to be more specific. What have you tried so far?

No you cannot plug it directly into 240 volts, you will damage your speakers.

You need to get a step down transformer 240 volts down to 115 volts. These are available from Jaycar. Make sure you select a unit with a wattage equal to or greater to the wattage rquirements of the speaker system otherwise you will overload the transformer and it will fail.

System needs to be rated for less than half the OHMs the speakers are rated at IE: 4 OHMs vs 8-16 OHMs.
So, ya can't use 2-4 OHM speakers with a 4 OHM capable HI-FI or the system transistors will burn out and turn to the whole thing to junk.
Yes, the speakers are louder cause, the speakers are drawing more power than the HI-FI is capable of or built for. See "OHM's Law"

Also, the Speakers and HI-FI are wired for -/+
OFF or ON; DO NOT CROSS THE -/+ OUTPUTS!
So, IF Negative speaker wire
goes to Negative output on the HI-FI
...Where does the Positive wire go?

So do I. I'd like to find the answer to this question... not even TDK support can help me.

This printer should have the Power adaptor come with the package, if it isn't you can go an claim it. The adaptor look likes as shown below, and the connection is done as follows..


Good luck.

Check circuit breaker at the house electric panel, if good, check for voltage (220/240)volts at the receptacle that the dryer power cord plugs into, if good, check for voltage(220/240)volts at the dryer terminal block where the dryer power cord connects to the dryer, if good, check voltages at the dryer power transformer, should be 220/240 volts for motor,and 110/115 volts control power for dryer controls, you should find the failure within these inspections/testing.
Good Luck !

I have a manual if you want to send me your email I'll will scan to PDF and send you a copy.

Try unpluggin the power cord and check with battery.
Check whether battery is charging with the power chord on.
Try with a different wall socket.
If this does not help.
Try with a different power chord of the same kind and check whether it works.
If yes, the power chord is the ussue. Best would be to replace it.
else
Try your power chord in a laptop similar kind and check whether the other laptop works fine.
Try juggling the power cord and check whether it gives supply.If yes then check for AC adapter for any damages or cuts. If any is found the contact manufacturer for replacement.
else Main board is the issue.
But before this I would request you to go to the website and check for Updated BIOS and updates for chipset driver.
If any is available then download and install.
Check with your AC adapter if it works, Good, else I would request you to contact the manufacturer for a Main board issue.
They would replace the main board if under warranty.