How do connect the yamaha psr-e243 ypt-240 to a computer

SOURCE: Yamaha psr-240 lights up but no sound.. no sound

try placing your ear on the speakers, adjust the volume control up and down several times, you should hear a humming sound that goes up and down. if not problem with the stage before the amplifier, that is the sound processor. if you dont hear the hum. problem with the amplifier and speakers, including the sound ports or jack. dissassemble the unit. look for loose connections from speakers to amplifier.

SOURCE: Hello, Where can I purchase and or download the

Call the Yamaha America group in California. Ask for "Parts" and tell them you want a SERVICE manual for "XXX unit". For a reasonable fee they will send you a CD with complete documentation for your unit. Find their number with Google. I have got manuals for the Tyros keyboard from them.

SOURCE: No volume at all out of speakers PSR-E203.

Make sure you use correct power supply.

Try headphones. If they work, then the switch on the headphone jack that disconnects the speakers may not be working properly and not connecting the speakers.

SOURCE: i recently purchased a yamaha PSR-E223 YPT-220

Does the user guide tell you should have got this adaptor along with the keyboard? Often there's a "what's in the box" page. They normally do include one.

I would suggest firstly going to Argos and getting a replacement or ask them to supply one. You'll need your receipt.

If not then any universal AC mains adaptor which can supply 12v DC and the correct plug (2.5mm) will do the job.

You should be able to get them from Maplins, Ebay or here's a web site:-

http://www.uk.best-price.com/search/landing/query/Pa+3c+Adapter/s/google/koid/3442910623/

Testimonial: "i went back to argos with a reciept and although the box states adaptor supplied none of the boxes instore had adaptors in them.i will try e-bay.thank"

SOURCE: I have a yamaha PSR 240 and one of the keys (E)

Yep, a key contact has got contaminated... You have to disassemble the unit to expose the keys.

You have to remove the offending key which is OFTEN tied to a bunch of keys. Under the keys you will find strips of silicon rubber with little domes sticking up. Under the domes are two contacts, either two black conductive rubber or sometimes a ring with a pill in the middle. These contact circuit traces with a black coating on the board under the keys. Clean the pills AND the circuit traces GENTLY with ONLY 99% isoprophyl alcohol. Reassemble the keys and the unit.

Be very careful handling, especially the ribbon cables between teh upper and lower halves of the unit.

Note there are TWO contacts per key which one closes before the other and that is how the key velocity is measured by the processor.