Yamaha DKS 800 RCA filter repair

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Hi All, I attempted to repair the RCA input/output section of this Yamaha DK-800 without luck. I dont have it in front of me but its coming back for another attempt. I was told the unit had no output and it was suspected someone hooked it up wrong originally.

On each of the RCA input(3)/output(1) there were small surface mount inductors marked L#. These inductors are small 5mm x 8mm have 6 contacts each. I think they have 3 inductors in this small package.

Two seemed shorted and two seemed normal so I removed all and installed jumpers. The owner is reporting very low audio levels now.

Has anyone had problems with these small inductors? are they just feed through filters or something more? Is it possible they are a transformer of some type and marked with an L?

Any help would be appreciated
Thanks Les
 
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