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The issue is the clutch contact inside the projector. The contact is either broken or out of adjustment. The clutch spring protrudes from the hub of the mechanism camstack. The camstack makes ONE revolution for ONE slide cycle. The clutch contact stops the clutch spring at the end of the cycle, putting the projector in "idle", awaiting the next "cycle" signal. Based on your description, this is your problem area. Turn the projector upside down & remove the bottom cover. CAREFULLY remove the internal lenses with a CLEAN, lint-free cloth. Wrap each lens in a separate cloth, as the lenses can shatter if exposed to rapid temperature changes. Next, remove the lamp with another cloth & keep it wrapped, as well. CAREFULLY plug the projector back in (DANGER - EXPOSED VOLTAGE!!) & turn the projector to the "Fan" position. Look for the rotating camstack. Turn the projector on & off quickly to locate the straight wire protruding out of the camstack hub. Turn the projector OFF & UNPLUG. Now look for the "J"-shaped wire that SHOULD make contact with the clutch contact. You will need to re-form the clutch contact wire VERY GENTLY (the wire is brittle!!), so that the straight wire is JUST BARELY trapped by the "J"-shaped wire. Now plug in & turn the power switch to "FAN" to check that the camstack only makes ONE revolution. If it stops: GREAT !! If it still revolves multiple times, repeat the process until the camstack STOPS after ONE cycle. This should resolve your continuous cycle problem. Good Luck !! Jim
If the select button functions correctly, then it sounds like you have a wire broken or a wire nut that holds a bundle of wires together has fallen off. If it was the solenoid link, then the Select function would not work. After removing the bottom cover, look for the orange wires, That is the cycle circuit. Look for a broken or unattached orange wire from the side button and the remote receptacle. The other possibility is that the direction lever is stuck, bound up or the direction lever spring is broken. The attached image of the top plate of the slide change mechanism will show you the end of the direction lever. It should move freely, up & down on its center pivot. You should see a small, wire spring, about 2-3 inches long on the lever. If the spring is not there, or the lever does not move freely, that may be the cause of no forward or reverse.
Take a closer look at the pins on the remote cable and the socket on the projector. Their are 5 pins on the plug. The top 2 pins are closer together than the bottom 2 pins. It is easy to rotate the plug 180 degrees and with little extra pressure, push it in. If the pin / plug interface is rotated 180 degrees, the remote control will appear non-functional. Check that first. Then try plugging the remote into the projector without the extension to eliminate a broken wire in the extension cord. Verify that the on-board cycle buttons will cycle the projector. If they do, and the projector won't work with the remote control, then there may be a open circuit inside the projector. You may need a factory-trained technician to help you with this one!! Good Luck !! Jim
With the projector unplugged, turn the projector upside down & remove the bottom cover (NOTE the positioning of the cover screws, as one is different!). Near the center of the projector is the slide change mechanism camstack. Put on safety glasses & plug the projector in (WARNING: Hazardous Electrical contacts are now exposed!!!). Turn the projector on the the "FAN" position. Again, look @ the Camstack - it will be rotating continuously. In normal operation, one revolution equals one slide change cycle. extending from the hub of the camstack is a straight wire (clutch spring), which rotates with the camstack. Above that wire is a similar-diameter "J"-shaped wire (clutch contact). The clutch contact should capture the clutch spring after one revolution. Most likely what has happened is that there is either a small groove worn in the clutch contact, or the tip of the clutch spring has worn off. An adjustment needs to be made so that the clutch contact JUST catches the clutch spring. This can be accomplished by GENTLY re-forming the clutch contact so that it stops the clutch spring after one revolution. The adjustment should be made with the projector UNPLUGGED, then plug it back in to test & repeat as necessary. If this helps you, please respond to FixYa with positive feedback. I would appreciate it !! If you need more help, please re-post any clarifying questions!! THANKS, and good luck !!
The answer for the 2 machines is similar, but the repair is different. The clutch contact wire on the 650H has burned through the clutch contact. If it has just worn a notch in the clutch contact, you can bend the contact wire slightly to get it away from the notch. If the tip of the contact wire is burned off, you will be better off buying a used slide projector from someone, as parts for this generation of machines are long gone. For the 4600 the problem is the same but the parts look different. Refer to the attached diagram for detail. The wire must rest at the center of the pad. You can use this diagram to roughly locate the similar parts in your 650H. Good Luck !!
The wire is probably from the circuit board or the motor. The location of the wire may vary depending on the age of the projector.
But the problem you have sound like a broken solenoid "Link". The "link" connects the cycle solenoid plunger to the cycle lever in the slide change mechanism. The "link" is made of plastic and over time gets brittle & cracks. Once this happens, you will hear the noise of the cycle solenoid engaging (click), but nothing will happen. The good news is parts are still available (www.micro-tools.com). This is not an easy repair, and I would recommend contacting a factory-trained repair dealer.
Either the hand held remote control is broken, or the plug the remote plugs into. to complicate the issue further, there were at least 4 different models of remote controls, and while the forward & reverse are universal on them all, just because it indicates "focus" on the remote doesn't mean it will necessarily have that feature in your projector. My advice is to seek out another remote & try it. If it also fails, then the problem is probably in the projector. I believe you can buy a remote at: www.micro-tools.com Good Luck !!
Your problem is most likely caused by a broken wire under the control panel or a wire somewhere in the "cycle circuit" that is no longer connected. You should seek out a factory-trained repair dealer who has a schematic that can trace down your projector problem.
The problem is "continuous cycle", a fairly simple adjustment to the cycle switch lever. Remove the lamp module & unplug the projector. Turn it upside down. Remove the 6 T-15 TORX screws from the bottom cover. The lever is a "J" shaped wire near the center of the projector. Refer to the attached diagram for help locating. You will have to carefully(!) bend the wire down - a very little at a time. After each bend, plug the projector in and cycle it a few times. If it continues to cycle, shut it off - unplug it - and bend a little more (too much is bad: the wire can break or "trap" the cycle mechanism. You want to get it in the center of the pad, as the picture illustrates. Good Luck !!