Sound / Voices / Music » Mixer's fader causes one channel to drop ?

hello,


I got a DJ mixer here, it's from a friend. He wanted me to take a look at it. He got it from a yard-sale. It doesn't have any brand or model. Sticker in the back is gone. It doesn't have a replaceable crossfader. But when I slide it from left to right, it drops the signal from one channel (left).

Anyone here have some ideas on how to fix this?



Please help.
Thanks!

I didn't find the right solution from the Internet.


References:

http://www.mixingonbeat.com/phpbb/viewtopic.php?f=58&t=8305



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