scope

Hello I have a Technics SH-3434 audioscope that has a fault in the wave form The horizontal line should cover the entire width of the screen but in my equipment it is compressed When I send a constant frequency the wave is compressed in parts and at the middle point it breaks I...

Hello All - Happy New Year 2024 ! I would like to ask for some help from any owners of the Pioneer SD-1100 audio scope unit. In the unit I just purchased (so excited) one of the VU Meters lamps is out. While I have downloaded and searched the service\owner manuals there is no mention of which...

Dear members, I have recently received a rare tube amp titled "ELGAR" with no other identification re: model, manufacturer or origin. I have received the amp without its tubes but was able to find that it should use the following: 4x12E1, 4Xecc82 1xE180CC and 2xGZ37 rectifier tubes. the Scope...

Foolin' around with my Marantz 2110's oscilloscope :rflmao:

Hi can anyone be so kind and tell me what color wires goes to what number in the scope harness. I took it apart to try to do a conversion but now I lost track of which wire goes into which number on the harnesss.??

I've got a Marantz 10b tuner that just came back from the shop and had a fairly extensive rebuild including a near total re-cap. It's now working well except that... the scope is having issues. When in the tuner mode, the scope works perfectly. It sounds great, I can adjust vertically and...

Dear sirs, I made the recap in a Marantz 4400 and the equipment is excellent in several points. The Scope that did not work well is aligned and responds perfectly. There is a problem that occurred prior to changing the capacitors that I can not resolve after recap: In the SCOPE Tuning or...

Does Anyone know which transistor that would fix the cotton candy effect on the scope on Marantz 2500

I built a DSO shell and frankly I'm impressed with it for what it does. However it's just not convenient to hold while you test. I wanted to get my feet wet with it and just a few days after FINALLY getting it to work I found the Kenwood and decided it was too much of a steal to pass up. I work...

Just replaced the 4 transistors with replacements C2611 that were mounted on the heat sink on the scope board. Another member told me the pinout were the same as the originals but still no scope??? The crt tube has a glow on the bottom but won't turn on.??? Anyone might know where I should fix?

Hey all, It has been a while since my last post and I have a request that is most likely difficult. I purchase a reasonably priced Marantz 2110 tuner on the 'auction' site, seller said it was tested and it all good but the scope ;didn't work'. Well .... it does not work because it is not...

How much is a mcintosh mpi 4 scope worth in near mint and fully functioning condition?

Hello guys, this next project might be a group effort... The short story is the shop i bought this from a guy who fired his tech after going insane trying to fix this. It's been collecting dust for about 5 years now. The good news is that all the important stuff is here, the scope and...

Marantz 120B tuner w/ scope