Search found 250 matches
- Sun Oct 10, 2004 4:13 am
- Forum: General Discussion
- Topic: Uh oh...he's done it again...geez...
- Replies: 42
- Views: 39954
Re: Uh oh...he's done it again...geez...
If I' getting your information correctally, yoy are takind the leads from tht vom and potting them on those of the capacitors and either getting a slowly decreasing resistance reading.Thas shows the wiring to the caps is not shoeted.You now should measure the voltage across the large caps and see if...
- Fri Oct 08, 2004 6:51 am
- Forum: General Discussion
- Topic: seeburg amp question
- Replies: 23
- Views: 17381
Re: seeburg amp question
modrob: the main reason tormat models lose selection to one side is due to a loose connection on one of the contacts that slide on the long contacts on the tormat. there is a wire going to each one of them and you can reconnect them on your back. Give aech one a little pull and the pin should move d...
- Thu Oct 07, 2004 2:55 pm
- Forum: General Discussion
- Topic: seeburg amp question
- Replies: 23
- Views: 17381
Re: seeburg amp question
does that lp1 use a tormat?
- Thu Oct 07, 2004 5:16 am
- Forum: General Discussion
- Topic: seeburg amp question
- Replies: 23
- Views: 17381
Re: seeburg amp question
ont thing you can check is the needle seated completly in the cartridge? Did you try to play it before you recapped it? I'm not sure if thoes models had a motorized volume control if not, check the connections to it with the schematic and ohm out the pot. Make sure there are no jumpers missing. Chec...
- Mon Oct 04, 2004 8:15 pm
- Forum: General Discussion
- Topic: Uh oh...he's done it again...geez...
- Replies: 42
- Views: 39954
Re: Uh oh...he's done it again...geez...
assuming the diodes are still good and those guy were pretty hefty, hook a 40 watt light bulb in series with one oh the ac input wires. whwn you plug it in the light shoulg glow brightly. than ramove the caps one by one till the light gets dim (unpluging is when you pull the caps).the one you pulled...
- Sun Oct 03, 2004 10:02 pm
- Forum: General Discussion
- Topic: MS 555 timer false trigger
- Replies: 9
- Views: 8654
Re: MS 555 timer false trigger
I assume yuu are using a switching power supply. You might want to check the filter caps in it. if it is a 32 amp supply you may not be loading it enough for it to regulate properly.
- Sun Oct 03, 2004 11:35 am
- Forum: General Discussion
- Topic: MS 555 timer false trigger
- Replies: 9
- Views: 8654
Re: MS 555 timer false trigger
Those 555's have a very high input impedance. You might try putting a 1 meg or smaller resistor between the input and ground.
- Sat Oct 02, 2004 5:56 am
- Forum: General Discussion
- Topic: Uh oh...he's done it again...geez...
- Replies: 42
- Views: 39954
Re: Uh oh...he's done it again...geez...
it sounds like you have a short in the power supply That was not there before you replaced the caps. There is the remote possability that one of them is shorted or mislabled, but I would go over the board again looking for a solder bridge. The things can be hard to find, so clean the flux off the bo...
- Thu Sep 30, 2004 1:09 am
- Forum: General Discussion
- Topic: Lamp Current vs Voltage
- Replies: 40
- Views: 28272
Re: Lamp Current vs Voltage
Joseph
What i was thinking about was the mechinacal stress due to the constant polorazation reversal caused by ac. I once had a couple of carbon filament edison bulbs and although the glass was darkened they still worked. Now bulbs seem to last at the very most as long as thier stated life.
What i was thinking about was the mechinacal stress due to the constant polorazation reversal caused by ac. I once had a couple of carbon filament edison bulbs and although the glass was darkened they still worked. Now bulbs seem to last at the very most as long as thier stated life.
- Wed Sep 29, 2004 7:06 am
- Forum: General Discussion
- Topic: Lamp Current vs Voltage
- Replies: 40
- Views: 28272
Re: Lamp Current vs Voltage
just to add, if you want a bulb to last a LOT longer and can accept a little less output put a diode in series with one.I wonder what a full wave bridge would do?
- Fri Sep 24, 2004 4:43 am
- Forum: General Discussion
- Topic: Ferrox Cube
- Replies: 8
- Views: 7407
Re: Ferrox Cube
what is a ferrox ube?
- Fri Sep 24, 2004 4:41 am
- Forum: General Discussion
- Topic: Simple Water Detection Circuit
- Replies: 10
- Views: 8212
Re: Simple Water Detection Circuit
since you are dealing with a sizable amount of water and dependability is needed, a mechanical bilge pump switch may be the best thing. It uses no ambient current and most of them cam handle a 10 amp load.
- Sat Sep 18, 2004 8:34 am
- Forum: General Discussion
- Topic: transformer/rectifier question
- Replies: 11
- Views: 9122
Re: transformer/rectifier question
k7elp60;
One thing that comes to my mind is power factor and va of a transformer. my memory ia a bit lax on those facts and maye someone could enlightem me as to this factor in power supply design
One thing that comes to my mind is power factor and va of a transformer. my memory ia a bit lax on those facts and maye someone could enlightem me as to this factor in power supply design
- Sat Sep 18, 2004 4:32 am
- Forum: General Discussion
- Topic: transformer/rectifier question
- Replies: 11
- Views: 9122
Re: transformer/rectifier question
k7elp60 you say that by putting a large cap in parallel to a fw. rectifier and applying a load that matches it's capacity,that transformer's capacity needs to be upped by 60%? I do remember substituting a higher value cap in an old tube amp and the power transformer did fry, but i never attributed i...
- Thu Sep 16, 2004 9:37 pm
- Forum: General Discussion
- Topic: Hints for a rookie writer?
- Replies: 34
- Views: 18933
Re: Hints for a rookie writer?
just how does the accelerator pedal make a new car go? Show your stuff. You will learn from this. Good luck.