Working on Carver C4000 and could use some help
- Thread starter Dutch54
- Start date
Remove all boards from mother board but the one that has the pot hanging off it, removed power supply/amp board and went completely through it and replaced any thing that was cooked or dead according to schematic. Put the PS back on the mother board and turned it on, lasted about fifteen seconds and fried the fuse. Anyone have any ideas for me on this, this damn thing is getting costly on parts. Took its temp right after in cooked the fuse and the 2200uF 25v caps were at about 180 degrees. Thank in advance for any and all help.
I did what you asked and it lasted about fifteen seconds and fried the fuse, but I got to test the jumpers that are 12VDC and they are real close to 12 volts. Took its temp right after in cooked the fuse and the 2200uF 25v caps were at about 180 degrees. Question: could the transformer power lines be hooked up wrong, there are two solid green and a green and with a yellow strip, which pad should the green/yellow be hooked too (#1, #2, or # 3 pad)? Again thanks in advance for any and all help.
Dutch, I think you've identified the problem area.
So get it working on the bench before you reinstall it.
I've never seen one of those preamps first hand, so I have no idea about wire colors.
However the Phase Linear manuals do give wire colors and connections for 120 VAC or 240 VAC line operation.
Perhaps the Carver owners or service manuals have similar info that will help.
Worst case you can ohm the transformer and figure it out.
So get it working on the bench before you reinstall it.
I've never seen one of those preamps first hand, so I have no idea about wire colors.
However the Phase Linear manuals do give wire colors and connections for 120 VAC or 240 VAC line operation.
Perhaps the Carver owners or service manuals have similar info that will help.
Worst case you can ohm the transformer and figure it out.
