Simple and Easy to understand, for anyone who ever had a niggling doubt whether he's doing the right thing. https://www.youtube.com/watch?v=xaELqAo4kkQ Enjoy Menahem

Firstly, I offer a custom kit with ALL the EXACT component replacements, to save you the hassle of sourcing the wrong components, due to confusion, and/or lack of knowledge. Secondly, I offer ONLY TTH

Barry I have no idea. Would you mind doing a Buy-it-now, and insert the Ebay discount code PSWEET20 on the line just before the total. You don't have to complete the Buy. Just let me know if the code

https://www.ebay.com/itm/252865418970 On my listing, I just noticed that Ebay is offering a $25 discount (Kit + S&H) on my kits. Valid until 18th October. I just saw it by chance - Ebay didn't notify

Tom stepped in to help many a time, with my queries. Much appreciated, and he will be missed! RIP Menahem Yachad

Tam and all the other generous members who came forward to help. Thank you so much! A member in Czechia has already helped me. Great to know that there are so many upstanding people here! Menahem

I need a couple of small parts from Czechia, and the supplier does not ship outside the area. If any member is willing to help me, much appreciated. Full reimbursement by Paypal. Reply off-line to yac

I had an Autoradio shop in the distant past. I NEVER used those resistor cables - Convenience ALWAYS comes with trouble. I ALWAYS used straight copper wire cables, cut off the spark-plug end and insta

I have insider contacts at Vishay, and can get anything anyone needs, direct, at well below distributor price. Of course MOQ's and lead-times are required, but there is absolutely no obstacle to obtai

Why not a high-volume 12V fan, wired in reverse to the -8V supply? The reduced voltage will run it quietly.

Are you powering it on, OUTSIDE the chassis with no load, or INSIDE the chassis and fully connected?

Gents Thanks so much for all your clear pointers. Yes, we all suspect the worst, when a problem appears. Our diagnosing brain starts whirring away, tunneling through all the circuits, even in our slee

Correct on the 230VAC assumption! I've checked that it is "grounded" - there are Y capacitors in the sealed EMI-filter unit - right at the AC input, and I'm beginning to suspect those of failure. All

This morning, I was working with my scope, and I touched the CH1 BNC socket - ground side. BZZZZ. I thought I was dreaming. I measured the voltage to AC Ground - 113VAC!!! So something's leaking somew

Alex, Very nice cleanup job. I'd just like to jump in here about removing SMD caps with minimal chance of pad damage. Every technician has his own favorite method of removing SMD capacitors. My favori

I run into the same problem many times when restoring radios. The original trimmers are simply not available So, I order new modern SMD trimmers from Mouser, and simply solder legs onto them. Works ju

Dave These are the ones I supply - X1 440VAC rated - at Mouser. I use Vishay wherever possible - may cost a bit more, but reliability is my first priority. 594-222233810683 The other film caps should

Over the years, I have felt free to contact other members to offer help, and to ask for help. That private contact has, in a few cases, developed into lasting friendships, with shared interests and mu

Gentlemen Thank you all so much. I have learnt so much stuff about a subject about which I knew almost nothing. Important points: SMPS does not have inductive kick, therefore a capacitor across the on

So what's the final verdict? 1 or 2? Mounted across the switch terminals, EITHER 1. A 10nF DC rated capacitor up to about 3000VDC OR 2. A 10nF AC Class X/Y capacitor rated to about 500VAC ??