Samson expedition 501i has blown power card - Samson EXpedition 510i Speaker PA System

You can safely connect your powered monitor speaker to either the monitor output jacks or the tape output RCA jacks on your XP510. In addition, you may download the owner's manual here:
https://www.manualslib.com/download/515708/Samson-Expedition-Xp510.html

SD cards have a slide switch along one edge. The position farthest from the metal contacts locks the card, protecting it from writes. The position nearest the contacts unlocks the card.

hi, my samson xm610 have a problem even i tern off the voluem of each chanel still have a sounds be fore is not just like that.. can you help me

They slide apart. Lay them on the floor with the handles on opposite sides and pull one speaker up towards you.

Try this company... verify the replacemnt before purchase!

http://shop.earcosrepair.com/Samson-Resound-Replacement-Driver-200016.htm

"Tested with other speaker and cable" ... you did not tell us the results of the test. If swapping the speakers and cablles still had the same dead side, it is probably the power amp for that side and not the mixer part. Take in for repair. If you had an accident of speaker cable not being plugged in fully or pulled out while operating, this pops the power amp real quick. They also just plain fail at times. Plug a set of headphones into the MONO out jack. If you can hear audio going through the unit then the mixer is OK... and the power amp on the failing side has a failure. Note the headphones will be low level and probably only one side, usually the left as this is a mono signal and headphones are normally stereo.

OK... first thing is to make sure the SD card is 2 Gb or less as larger won't work.

Many of the SD card has a protect switch that prevents writing to the card... it is a real tiny littl thing to move with your fingernail. You might need a magnifier to see it.

Sounds like the amp is going into a protective mode.
Make sure your outputs aren't shorted.
If you're into electronics, look for bulging electrolytic capacitors or blown transistors.
Something is tripping the safety in the unit!

Here is the link you need:http://www.samsontech.com/serviceAndSupport/servicesupport_choose_brand.cfm

i cant find it in australia, but i believe this is a listing for the correct poart, out of ohio, USA: http://shop.earcosrepair.com/Samson-Resound-Replacement-Driver-200016.htm