01-28-2014, 11:19 AM
Which speaker wires?
Does the bucking coil soldering to the voice coil look original or was it changed?
You could try to reverse the bucking coil's ends, see if it exacerbate the hum or reduces it.
Q: how about the cap #68 and the resistor #70? Have you replaced the former and check the latter?
Does the bucking coil soldering to the voice coil look original or was it changed?
You could try to reverse the bucking coil's ends, see if it exacerbate the hum or reduces it.
Q: how about the cap #68 and the resistor #70? Have you replaced the former and check the latter?