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Tuner knobs (Yamaha CX-420)

MN12BIRD

MN12BIRD

Member
Okay this is going to sound like a silly question. But I've actually ran into this problem a few times. I don't have too much experience tearing down these vintage receivers but I've got a Yamaha Natural Sound CX-420 receiver here I just picked up for $19.99. It looks to be in great shape but the light behind the tuner is burnt out and some of the knobs are noisy. I'm trying to get the faceplate off to clean it up and see about changing the lamps. The thing is I've got all the knobs off except the tuner knob. Like I've said I think I've run into similar problems with other receivers too. All the knobs just pulled off except for the two selector knobs and they had little tiny allen keys in them that I had to loosen out with an allen wrench. But the tuner knob doesn't have any little allen key in the side of the knob and it certainly doesn't seem to pull off either! Of course I can't get the faceplate off with the big tuner knob on there!

So how do these things come off? I can't figure it out!

Thanks in advance ;)

Jake
 
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MN12BIRD said:
Okay this is going to sound like a silly question. But I've actually ran into this problem a few times. I don't have too much experience tearing down these vintage receivers but I've got a Yamaha Natural Sound CX-420 receiver here I just picked up for $19.99. It looks to be in great shape but the light behind the tuner is burnt out and some of the knobs are noisy. I'm trying to get the faceplate off to clean it up and see about changing the lamps. The thing is I've got all the knobs off except the tuner knob. Like I've said I think I've run into similar problems with other receivers too. All the knobs just pulled off except for the two selector knobs and they had little tiny allen keys in them that I had to loosen out with an allen wrench. But the tuner knob doesn't have any little allen key in the side of the knob and it certainly doesn't seem to pull off either! Of course I can't get the faceplate off with the big tuner knob on there!

So how do these things come off? I can't figure it out!

Thanks in advance ;)

Jake
Click to expand...

Check and see if the allen screws are on the Tuning knobs shaft shank .
 
Wow. I was going to say no because I actually already checked BUT I didn't check hard enough it seems! It's on the shaft but it's further back BEHIND the faceplate! I was looking at the shaft in front of the faceplate. You can see the shaft behind the faceplate through a slot in the side of the chassis!

I feel like a retard for not seeing that now.

Thanks!
 
MN12BIRD said:
Wow. I was going to say no because I actually already checked BUT I didn't check hard enough it seems! It's on the shaft but it's further back BEHIND the faceplate! I was looking at the shaft in front of the faceplate. You can see the shaft behind the faceplate through a slot in the side of the chassis!

I feel like a retard for not seeing that now.

Thanks!
Click to expand...

Yep..Those sneeky bastards hide'm back by the knobs base.
 
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