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Roksan Kandy amplifier - One input broken?

B

Barib

New Member
Hi,
I have a Roksan Kandy integrated amplifier, with multiple working inputs. But the "CD" input has no sound.

I can repair electronics, but I'm confused with this. The RCA connector itself is fine, it passes current with a multimeter. It then goes into a circuit, circled in red:

20210817_195625.jpg

Is it likely to be a failed resistor? Or some component? If so I'd need a repair shop to help.

I could lift the board and re-solder the joints, but dismantling it will be hard. Plus risk of breaking some large, flimsy components on the board. Those 2 giant capacitors aren't held in securely.

Any help is appreciated!
 
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Check and see if that relay RY101 you have circled is energizing or not.
 
avionic said:
Does that relay " click" when you select CD input ? Might have to put your ear close to it to hear the click.
Click to expand...

I just checked, it clicks like the other inputs. Does that mean the relay is working/the issue is somewhere else?
 
It turns out I'm dumb!! It was a loose connector on the front panel. I pressed it further in and the sound came back. Rookie mistake ;)
Thanks for the help though!
 
love an easy fix.

I was going to suggest a problem with the relay. Looks like it uses those for input switching, probably 2 poles in each, one per channel. If one of those was damaged it could cause one dead channel.


I have a pair of Caspian mono amps in for work at the moment. Both seem to have suffered an unhappy melt-down, lots of shorted transistors and some torched parts. Not a lick of heat sink compound to be seen on the output transistors, and my guess is thats why they died.
 
gadget73 said:
I have a pair of Caspian mono amps in for work at the moment. Both seem to have suffered an unhappy melt-down, lots of shorted transistors and some torched parts. Not a lick of heat sink compound to be seen on the output transistors, and my guess is thats why they died.
Click to expand...

Ouch, that sounds like a gnarly repair job. Best of luck with them
 
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