marantz 1060 makes frying noise at power-up

pronto89 · 17th February 2005, 02:44 PM

Hi folks,
my 1060 was making a like-frying noise from inside for few seconds at power-up then everything was fine. Till yesterday when a defective AC socket caused the 1.5A fuse to blow up. Now I substituted the fuse but now the noise can be heard from speakers too, always only for few seconds at power-up.
I asked a pair of shop here for repair, but they look more as board-changer and they told me that is too old to get repaired.
Now, all caps and other components look ok from outside, any idea?

pamaz · 17th February 2005, 04:39 PM

Hi. seems that 1060 do not like spaghetti.
My 30 & more years old 1060 does the same and now it's in his box!
if you find the solution, I'll be happy too.
probably one day i'll take it out of the box and try to fix it .
buona fortuna

paolo

NUTTTR · 17th February 2005, 10:54 PM

Are you sure it's not a dodgy switch on the amp causing static-sound through the power supply? I used to have that on a NAD amp.... turned out to be a simple switch problem!
Aaron

anatech · 17th February 2005, 11:25 PM

Hi pronto89,
NUTTTR is on the right track here. Bad switch contacts arcing. Replace the power switch and install an MOV across the transformer primary. I have seen bent PCB fuse holder contacts do the same thing. The MOV will extend the life of your power switch and protect your amp from voltage spikes.
-Chris

Giaime · 18th February 2005, 12:54 AM

Wow! Another 1060 problem in Italy!

Watch out for the power switch. Mine is sloppy too, it needs heavy pressure to stay on.

pronto89 · 18th February 2005, 08:42 AM

I'll try this evening with the switch and will let you know

pronto89 · 19th February 2005, 07:48 AM

Yes, it was the switch.
Substituted with a solid tin bridge and no more frying!
Now I'm going to Rome to find some replacement switch.
Hope to find it since I'm rather new to this town and I've no idea where to go.
Thanks for the solution.

17th February 2005, 02:44 PM	#1
pronto89 diyAudio Member Join Date: Feb 2005 Location: italy	marantz 1060 makes frying noise at power-up Hi folks, my 1060 was making a like-frying noise from inside for few seconds at power-up then everything was fine. Till yesterday when a defective AC socket caused the 1.5A fuse to blow up. Now I substituted the fuse but now the noise can be heard from speakers too, always only for few seconds at power-up. I asked a pair of shop here for repair, but they look more as board-changer and they told me that is too old to get repaired. Now, all caps and other components look ok from outside, any idea?

17th February 2005, 04:39 PM	#2
pamaz diyAudio Member Join Date: Dec 2003 Location: Padova close to venice - italy	1060 in italy is always a problem! Hi. seems that 1060 do not like spaghetti. My 30 & more years old 1060 does the same and now it's in his box! if you find the solution, I'll be happy too. probably one day i'll take it out of the box and try to fix it . buona fortuna paolo

19th February 2005, 07:48 AM	#7
pronto89 diyAudio Member Join Date: Feb 2005 Location: italy	Great! Yes, it was the switch. Substituted with a solid tin bridge and no more frying! Now I'm going to Rome to find some replacement switch. Hope to find it since I'm rather new to this town and I've no idea where to go. Thanks for the solution.

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17th February 2005, 10:54 PM	#3
NUTTTR diyAudio Member Join Date: Nov 2004 Location: Australia!	Are you sure it's not a dodgy switch on the amp causing static-sound through the power supply? I used to have that on a NAD amp.... turned out to be a simple switch problem! Aaron

17th February 2005, 11:25 PM	#4
anatech diyAudio Moderator Join Date: Jun 2004 Location: Georgetown, On	Hi pronto89, NUTTTR is on the right track here. Bad switch contacts arcing. Replace the power switch and install an MOV across the transformer primary. I have seen bent PCB fuse holder contacts do the same thing. The MOV will extend the life of your power switch and protect your amp from voltage spikes. -Chris

18th February 2005, 12:54 AM	#5
Giaime diyAudio Member Join Date: Oct 2004	Wow! Another 1060 problem in Italy! Watch out for the power switch. Mine is sloppy too, it needs heavy pressure to stay on.

18th February 2005, 08:42 AM	#6
pronto89 diyAudio Member Join Date: Feb 2005 Location: italy	I'll try this evening with the switch and will let you know

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