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For convenience: /g/TekScopes/photosearch?p=created%2C%2C%2C50%2C1%2C0%2C0&q=tek%20user%20comments Raymond

Hello Trevor, Sorry for the late reply. I would first start with allignment of the 3kHz, 30kHz and 300kHz filters in the VR Module explained in the Service Manual. The trim capacitors get bad contact

I just deleted a message on this thread. If any more divisive messages appear, they will be deleted and the thread will be locked. David

IMO... I'm not sure... at this time... expressing political opinions... in the forum... is a good thing.... I mean good for the forum. I'd like to here more about why people use 'capacitor kits' ...

I had always heard that Sony was exceptionally nasty about keeping people from rebuilding their jugs. Either this was not true or there were cracks in the system that allowed some to slip

Ask ETF, the Early TV Foundation. The the Trinitron gun was probably old stock horded by someone like me... Ha! Frank DuVal

You may have no choice...is you iphone or android containg china components?

The problem is getting replacement electron guns. It is very unlikely anyone in the USA is able or willing to tool up to do this work. I think the only place left that makes television jugs is in

Does anyone dare to do it with an oscilloscope tube? https://www.youtube.com/watch?v=RI88e9cHAkk

Repairing a 7t11 was like decoding alien technology — I needed almost a week just to understand what it was trying to tell me!

Tam Your video is most entertaining and well explained. Well done! The documentation accompanying my kits is spot-on, with all the correct codes and descriptions fully matched, ensuring the fastest

I misspoke. It looks that that particular .bin file can't be downloaded for some reason. Luckily, 160-3493-00 / IC U2400 (I mistyped the p/n in my previous post) is socketed and there no need to

Hi Vladimir and all For the purpose of helping others who may have to tackle similar repairs, here is my report: It should first be noted that there are at least two types of power supplies: an

Jose Luu <jose.luu@...> added the photo album 784A PSU REPAIR ( /g/TekScopes/album?id=301696 ) : images of burnt and repaired area of a 784A PSU

No need to use an isolation transformer to float the scope for this measurement. The chassis of the scope is grounded normally, not like old CRT TVs or monitors that mostly had a "hot" chassis. Just

You could download that BIN file and program it into a new prom chip. Perhaps the existing one is flaky, hence the come and go error?

This scope has me scratching my head. I had it running all night without any problem, I doubt part number 160-2393-00 is actually the culprit despite the occasional startup error. I suppose I should

Hi Alberto! Your scope powers up correctly. The SRQ light stays on because a power cycle was detected. This can be cleared via GPIB or the Keyboard (see manual). You can ignore this. As far as I can

Tnx Holger (and others)! I will study more deeply the service documentation, because I didn’t note an easier troubleshooting approach to the digital section. I am just equipped with the signature

The simple solution is just boycott the USA.