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timbro52
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« on: July 31, 2010, 02:26:51 PM » |
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This is my 3rd Bottlehead kit and i've made my share of goofy mistakes. But for the life of me I can't figure out what I have or haven't done this time (and no I'm not on crack, yet). Checked all my solder joints, resistance test is fine, but when I flip the switch I blow the fuse. Anyone out there with suggestions would be greatly appreciated.
Thanks,
Tim
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Tim Darby
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Grainger49
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« Reply #2 on: July 31, 2010, 03:32:39 PM » |
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If the above is not the problem recheck the direction of the diodes. Then check the power supply capacitors and be certain the stripe is on the side indicated in the pictures. Doc puts excellent pictures in his manuals.
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Grainger Morrison,
Mozzie quote: Sacred cows make the best hamburgers!
Remember, YOU are the only one who needs to be happy with the sound of your system.
Eros (Mods Have Begun!)/FP-2/Paramour 1/upgrades to all - PS Audio Regenerator, Triangle Zerius Speakers, BA Sub
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timbro52
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« Reply #3 on: July 31, 2010, 04:51:34 PM » |
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Thanks Doc and Grainger,
I have the newer manual and the diodes are correct and the caps as well.
I guess I'll check all my solder joint again.
Thanks,
Tim
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Tim Darby
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Grainger49
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« Reply #4 on: July 31, 2010, 05:03:10 PM » |
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The fuse blowing indicates high current. That could also be a short in the power supply. Possibly a piece of wire that was cut landed in the wrong place.
If you find nothing try pulling the tubes and then turning it on. You can leave it on for a few seconds and then check the fuse.
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Grainger Morrison,
Mozzie quote: Sacred cows make the best hamburgers!
Remember, YOU are the only one who needs to be happy with the sound of your system.
Eros (Mods Have Begun!)/FP-2/Paramour 1/upgrades to all - PS Audio Regenerator, Triangle Zerius Speakers, BA Sub
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timbro52
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« Reply #5 on: July 31, 2010, 06:15:12 PM » |
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Thanks Grainger,
I'll give it a try. By power supply do you mean the transformer? If that's the case I don't see any lose, stray, or miss placed wires.
If the fuse doesn't blow with the tubes out where does that leave me? I realize this is a process of elimination but I'm a newbie to this stuff.
I'm out of fuses, so it's off to the hardware store.
Thanks again,
Tim
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Tim Darby
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Grainger49
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« Reply #6 on: August 01, 2010, 07:49:30 AM » |
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By power supply I mean the transformer (not likely), the diodes, the capacitors or the heater circuit.
If the fuse doesn't blow with the tubes out it indicates a problem around or in the tube. It could be a shorted tube or a problem with the plate or cathode circuit.
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Grainger Morrison,
Mozzie quote: Sacred cows make the best hamburgers!
Remember, YOU are the only one who needs to be happy with the sound of your system.
Eros (Mods Have Begun!)/FP-2/Paramour 1/upgrades to all - PS Audio Regenerator, Triangle Zerius Speakers, BA Sub
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Caucasian Blackplate
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« Reply #7 on: August 02, 2010, 05:05:26 PM » |
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Hello Tim, did you double check the orientation of the power supply capacitors? How are the resistance checks?
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Paul "PB" Birkeland
Bottlehead Grunt & The Repro Man
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levlhed
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« Reply #8 on: August 31, 2010, 05:35:12 PM » |
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I am wondering where can I get these fuses?
I had the first one ever blow (and it really really freaked me out for a bit....I couldn't figure out what happened!) Still not sure really, other than I was plugging/unplugging/rearranging things and it must have been a result of that somehow.
I was able to rob a fuse from one of my DJ lights (250v, slightly lower rating though) and I went and bought what I thought were the right ones @ Radio Shack, only to find they are too big! I guess they are 1.5" and I need 1"?
Where is a common place to find the right ones?
I need to use my DJ lights this weekend...
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Technics SL-1200 "MKE" ~> DL103r w/Ruby Cantilever & Contact Line Stylus ~> Audioquest PT-9 ~> Bobs Devices Cinemag SUT ~> Vista Audio PHOHO-1+ ACLE ~> Bottlehead Crack w. Speedball ~> Beyerdynamic T1 |
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ironbut
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« Reply #9 on: August 31, 2010, 08:45:34 PM » |
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Hi Dan,
My local Radio Shack has the right fuses on and off. I usually have to dig through the fuse drawer to find what I need.
Now days I stock up and buy them from Amazon (what don't they sell!). If you just search for slow blow fuses it brings up about 4 pages.
I have Amazon Prime so I can get stuff shipped "2 day" to me for almost nothing.
Sign up for the free trial for Prime and you'll get like me. I buy my socks, underwear, tennis shoes, computer stuff ,.. well, you get the idea.
Now, all I need to do is figure out where I put things like fuses.
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steve koto
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levlhed
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« Reply #10 on: September 01, 2010, 01:36:40 PM » |
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what are the full specs I should be looking for?
It occurred to me that the fuse that came with mine may not be "stock".
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Technics SL-1200 "MKE" ~> DL103r w/Ruby Cantilever & Contact Line Stylus ~> Audioquest PT-9 ~> Bobs Devices Cinemag SUT ~> Vista Audio PHOHO-1+ ACLE ~> Bottlehead Crack w. Speedball ~> Beyerdynamic T1 |
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levlhed
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« Reply #12 on: September 01, 2010, 05:43:49 PM » |
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local Radio Shack had what I needed, I just didn't look hard enough.
thank you!
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Technics SL-1200 "MKE" ~> DL103r w/Ruby Cantilever & Contact Line Stylus ~> Audioquest PT-9 ~> Bobs Devices Cinemag SUT ~> Vista Audio PHOHO-1+ ACLE ~> Bottlehead Crack w. Speedball ~> Beyerdynamic T1 |
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Grainger49
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« Reply #13 on: September 01, 2010, 08:36:43 PM » |
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I bet that the parts list has a good description of the ratings and type fuse that is included.
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Grainger Morrison,
Mozzie quote: Sacred cows make the best hamburgers!
Remember, YOU are the only one who needs to be happy with the sound of your system.
Eros (Mods Have Begun!)/FP-2/Paramour 1/upgrades to all - PS Audio Regenerator, Triangle Zerius Speakers, BA Sub
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levlhed
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« Reply #14 on: September 02, 2010, 05:50:50 AM » |
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Probably, but I didn't get a parts list with mine. I bought the already-built Speedball prototype that was @ CanJam.
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Technics SL-1200 "MKE" ~> DL103r w/Ruby Cantilever & Contact Line Stylus ~> Audioquest PT-9 ~> Bobs Devices Cinemag SUT ~> Vista Audio PHOHO-1+ ACLE ~> Bottlehead Crack w. Speedball ~> Beyerdynamic T1 |
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