Behringer FBQ6200 Schematic Please

[Martin Pedder]

A customer has brought in an FBQ6200 with DC on one of the outputs. It is probably just a dead op-amp but a schematic would make it much quicker to fix. The DC fault doesn't appear to be on the I/O board and is only there when the EQ is not bypassed.

Anyone got a schematic please?
Martin