HOW TO INVERT MONITOR PICTURE: ------------------------------ I'll resurrect some words from a while back to answer the question on how to invert the picture: OK, this question has come to me 3 different ways now so I guess I should clarify. The switching is done on the wires to the yoke (not the neck board). The yoke has 2 sets of windings, one set for vertical deflection and one set for horizontal. So let's say standand configuration looks like (and the colors I choose are purposely random): orange---------------------) ) ) Horizontal winding ) ) pink-----------------------) violet---------------------) ) ) Vertical winding ) ) white----------------------) And to invert the screen they have to be connected like: orange--\ /--------) \ / ) \ / ) Horizontal winding / \ ) / \ ) pink-----/ \--------) violet--\ /--------) \ / ) \ / ) Vertical winding / \ ) / \ ) white----/ \--------) As I said the colors I picked are purposely meaningless. You have to determine what goes with what depending on the monitor. So either look at a schematic for the monitor to determine the colors of the wires to winding of the monitor or unplug the yoke from the monitor chassis and figure it out with an ohmeter. The following is a repeat of my previous posting for thoses that missed it: ----------------------------------------------------- I've had several people ask me how to reverse polarity with just a switch so I'm posting what I sent someone recently. Start by thinking about a double pole/double throw switch wired as below: ________ | | --------0 0 0 |---------- in out --------0 0 0 |---------- |______| The "0"s are the six poles. The only thing not shown due to ascii limitations is to connect the upper right 0 to the lower left 0. Then connect the lower right 0 to the upper left 0. With the switch in one direction in will equal out. In the other direction the polarity of the output leads is reversed. You need to do this to each of the pairs of wires to the deflection yoke. There are switches available that are equal to 2 double pole double throw switches and if you use one of these you only need one switch to completely invert the picture. I've used a switched wired like this on my vertical universal cabinet for years. Make sure the switch you use can handle at least a few amps of current and that the monitor is powered off when you use the switch. I made sure the power is off when I switch mine by putting the switch just inside the coin door and using one of those power interlock switches behind the coin door so when the coin door is open power is off. Rick Schieve schieve@lucent.com