Dave,
Properly tightened against the internal tooth lockwashers, those RCA
jacks should not loosen.
Unless someone used substitutes, they have a hex nut on each side of the
panel and an internal tooth lockwasher on each side of the panel too.
Use wrenches (spanners for you) or pliers and tighten them securely.
The internal tooth lockwashers need to 'bite' securely into the aluminum.
73,
Don W3FPR
On 11/21/2015 3:03 PM, Dave Sergeant wrote:
This has got it up and running again, but I have revealed another issue
- the earthing of the phono sockets in the K60XV at the K2 end is not
ideal. Only the output phono has a grounding lug, the input phono
relies on earthing via the aluminium panel. Although there are crinkle
washers both sides of the socket the socket tends to wear loose every
time you put the plug in. The receive noise on the XV50 shows this, as
you wriggle the cable at that end the noise goes up and down. It really
needs a direct earth to the ground on the K60XV panel.
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