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Thats exactly why I will not ship anything via UPS. They routinely handle cargo exactly like the gorillas in the old American Tourister ads handled suit cases. I shipped my 576 via FexEx and they were

Glad to see you California based guys picking up these scopes! Good to know they’ll escape the landfill. ? Hate to pile on UPS here, they’re are some good folks over there...but sadly when it

Hi Thanks for the tips. The screen issue was resolved finally by replacing the U950 Z Axis IC. As soon as that went in all was good, well as far as the screen goes. Now I will need to look at the

Yup in Australia also, Wollongong NSW. Regards Nik

Thanks for the feedback Tom. What I have to hand are metal can 2N2907As that I bought, I think, to effect repairs on a DM501. I've got one of those in the scope at the moment, and it cleared up the

I have added an album with pictures of the internals of a TM503 with Opt 2, showing the pin headers added around the back of the card edge connectors. My TM503 does not appear to have been

Tonight I'll take some pictures of my TM501 and TM503 I have added Option02 to so you can see the idea of how it works. Jared.

Hi Jeff, I commend you on your thorough research of candidate alternatives! I'd choose a 2907(A) here. Specifically, I'd select a PN2907A. It is counterintuitive, but true, that the plastic package

I've got a 7603 that I received free with a 7D01 plug-in. It powers on (the power indicator lamp comes on), but the CRT does not show anything. Checking the voltages I find that the +130 V rail is way

No I didn’t mean pics of Option 2, pics of home grown interfacing on a non-Option 2 Power Module. Cory Oace

Cory, I have a TM503 with Option 2. I'll pull the cover off and post some pictures here. I'd been trying to buy a TM504 with Option 2 for the longest time, but never found anything at the right price.

I always thought hat option 2 was to enable an easy way of getting the rear panel signals out to something you'd want (or need) to build.? Programming would work the same.? I do remember that TEK

Thanks, Jeff, yes I think it does. I’m a very visual person, which is why I keep pressing for a guide or instructions. Does anybody have any pictures of their own implementation of this? Like,

I agree with Ed - check for any moisture in the battery compartment. If it seems OK, was this short life during cold weather? Battery chemistry is affected by temperature, but it does not usually kill

Considering quartz movement clocks will operate for a year or more on one AA battery,? I think there is something wrong with the clock movement. Moisture could increase electrical leakage, and if the

I have one of the La Crosse Atomic Clocks and use Eneloop AA recharagables lasts more than 6 mo prior recharge.... Renée

Cory, I believe that the only purpose of Option 2 is to make the "programming" of the slots easier by providing pin headers and pluggable jumper wires (as BNC connectors and a D-shell connector on the

Very short battery life in an outdoor application may mean moisture has gotten inside, and could damage it if not cleaned up. Ed

Piggybacking on that, I see this auction on fleabay - not curve tracers, but a lot of five older Tek plug in modules for sUper cheap... $29.95 for all five and $45 shipping. Also in California.

For the clock in my back yard.? Any ideas on which type/brand lasts the longest?? Seems like I have to replace the one in my clock every couple weeks.? TIA.? ? ? ?Jim Ford in Southern