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Are you referring to Page 1-11, Volts, Maximum sine-wave frequency? This is very confusing because here it actually says greater than or equal to 1MHz. --Victor

Francis: I wanted to let you know that the battery was exactly where you suggested. The replacement is completed with no issues, Thank You again for your help, it is appreciated. Chuck W9POU

Magnus/Alexandre, Thanks for the feedback! Mark

HankC <hankc918@...> wrote: Nope. They're muxed, so the digit & segment drivers are ok. Gotta be LED-specific (or socket, or solder joint...) -ls-

I wasn't clear in describing my symptom. 5 of the 7 digits are OK; they display an "8" when you hold the reset button. One digit has a bad center horiz segment; another digit has a bad top horiz

If these are socketed, first try wiggling the individual displays in the socket, then try swapping a known good display for an apparently defective display. I've known these displays to lose a

I wasn't clear in describing my symptom. 5 of the 7 digits are OK; they display an "8" when you hold the reset button. One digit has a bad center horiz segment; another digit has a bad top horiz

Hi Mark, I have not seen any Xeltec programmer over many years. However, if I am allowed to make a recommendation: I can honestly recommend the products from batronix.com. I have their BX40, and it

Hi Nick, There is currently no trace on any of the channels after installing the IC socket at U174. However, the beam finder works as do all the menus and also the vertical time base cursors and

Change Q1222. It should be full off and the collector should be up around 90 volts or so. However, Q1223 could also be pulling that line down so change it also. You could lift the collector of Q1223

Good programers, but I'd buy Elnec Ops, I have a beeprog from Elnec :)

What happens when the digit is a "5" or a "6"? How about when it is a "9" or a "7"? Is it only the top and middle horizontal segments? Mark

So spake Mr Alex Gates... ;-) Mark

Anybody familiar with the Xeltec line of programmers? Good, bad, indifferent? I see a batch of 'em all the time on Ebay, some going for seemingly high prices. Thanks, Mark

Hi Victor, Yes, I was referring specifically to a 2456B. TEK specifications indicate that the automatic voltage reading is good up to 1MHz. Interesting that you are seeing it function up to 200MHz.

I had sent a response earlier but it didn't appear to have made it. I checked some of the voltages on the board, but can't say I entirely know what to make of all of them (newb alert again hah) Ok,

I forgot to add: The problem originated by accidentally touching the ground lead of a probe to line voltage!

Hello AndrewShip it to me I can repair it for a small charge.I am in UK. EX Tek.

Chris The CR1244 is across the B-E junction of the transistor, so in circuit it would not measure Open like a diode out of the circuit would. I have my board out waiting for the inverter board to dry

If it displays a "8" as a "0" and a "0" as a "U" it is almost certainly a driver issue. If it were a bad display segment the "0" would display as a "0" if the "8" displayed as a "0". Do all positions