Dwin 500/700

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The following additional Dwin HD700 pictures and notes were provided by forum member Gary Fritz.  Thanks Gary! 

Some observations:

• The Dwin specs indicate that the HD700 has 1 small fan in the PS. Actually it also has 2 belly fans! But it's still extremely quiet. With my less-than-perfect hearing, it's hard to hear it more than 2-3' away.
   
• It's a bit longer than the 10.5x22x23.5" in the specs. By my measurement it's 11x22x25.5". Those measurements may be to the front of the case, whereas I measured to the extreme front of the lenses. Their height measurement probably doesn't include the feet.
   
• The specs say it's 65lbs. I don't own a scale, but FedEx says it shipped a 95lb package -- and it was packed in a cardboard box with foam, and a ceiling mount. There's no way the box & mount weigh 30lbs.
   
• The design is very compact (no surprise). The power supplies are tucked under the lenses. There's a main-board under the CRTs, the neck-boards, some board inside a metal case next to the red, an HV distribution point next to the blue, and that's about it.
   
• The HD700 comes stock with HD145 lenses, but it can be upgraded with HD145N color-filtered lenses (the one in the photos above has been upgraded).
   
• The lenses are held on by fixed bolts and 8mm nuts. It's a tight squeeze to get an 8mm socket into the channel along the backs of the lenses where the nuts are; those channels are really intended for a screwdriver shaft. There's not enough room between the lenses and (non-removable) front bezel to slip in a 1/4" socket extension, so you have to approach it from the sides of the lenses. You can remove the top two nuts on each lens with a short socket driver, but it's nearly impossible to get at the bottom two nuts. There's not enough room between the lenses to squeeze your hand in there. The best approach seems to be to remove the front panel and pull out the power supply, thus giving access to the lower nuts. A socket extension will help. However, even once you have unbolted the lenses, it is nearly impossible to work them out of the space between the bezel and the CRTs. Don't bother pulling the lenses unless you REALLY need to.
   
• The manual is pretty pathetic.
   
• The manual doesn't say much of anything about magnetic setup, but it appears to be a 4-pole system -- 4 tabs at the end of the neck, and 2 more (presumably centering) toward the bell.
   
• I wouldn't recommend hanging this thing by the foot-bolt holes, like you can with an NEC XG (and some other models). The front feet hook into some very thin sheet metal, which is further weakened by ventilation holes around the feet. The nut on the other side of the metal is apparently welded (badly) onto the sheet metal; one of mine is broken off so the foot is loose. The rear feet seem to be just screwed into the base. I don't think you could replace them with a hanging bolt, but I haven't tried to remove them to be sure.
   
• The carrying "handles" are INSIDE the chassis! You have to remove the top panel to get at them. Not nearly as nice as, say, the handles on a NEC XG (or Sony G90), and they're not even at the center of balance - but it does give you something to hang onto.
   

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