| Author |
Message |
    
Bulldog
Member
Username: Bulldog
Post Number: 50
Registered: 12-2001
| | Posted on Friday, February 20, 2004 - 12:00 pm: | 
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Would anybodt have a wiring schematic for a MG Pro Series Ps-22 power supply? |
Tech181
Moderator
Username: Tech181
Post Number: 844
Registered: 7-2001
| | Posted on Sunday, February 29, 2004 - 12:56 am: |
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What seems to be the problem? |
Bulldog
Member
Username: Bulldog
Post Number: 51
Registered: 12-2001
| | Posted on Sunday, February 29, 2004 - 10:57 pm: |
|
It melted 2 wires off and can't really tell where they go to. It kinda looks like they hooked up to a small wound coil about nine turns (maybe a shunt?)for feeding the amp meter. But I have zero output. But before it melted the wires off, the power supply kicked out a couple of times. |
Tech181
Moderator
Username: Tech181
Post Number: 848
Registered: 7-2001
| | Posted on Sunday, February 29, 2004 - 11:23 pm: |
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When you turn the PS on, does it blow the main fuse or breaker right away?
If so, disconnect the output of the transformer from the circuit and see if it blows. If it doesn't, possible failed transformer.
If it does check the bridge rectifier. Look for a 1" square box with four wires coming out of it. It's probably shorted.
Let me know what you find... |
Barracuda
Intermediate Member
Username: Barracuda
Post Number: 195
Registered: 3-2003
| | Posted on Monday, March 01, 2004 - 12:09 am: |
|
Tech181,
I'm confused. Wouldn't it be correct that if the transformer output is disconnected and the fuse doesn't blow it ISN'T the transformer and if it does blow it IS. Maybe I missed something here. Set me straight please.
Barracuda |
Tech181
Moderator
Username: Tech181
Post Number: 851
Registered: 7-2001
| | Posted on Monday, March 01, 2004 - 11:27 am: |
|
You know what? My bad, I should have told him to disconnect the input of the transformer, (thus taking the transformer and everything after it out of the circuit), not the output. I had cranial-rectal inversion for a minute there! |
