Recent content by mhk1058

Did you decide? I too would be interested in the knowing what the Pioneer N30AE was like. As you say, very limited reviews, despite what a previous poster said most are actually on the earlier model. Features, including display would swing it for me especially as it is cheaper. Also, have a...

Thanks for your help Vladimir, replaced the cap and 100ohm resistor, transistor and 4.7ohm resistor were OK, fired her up and heard the reassuring click of the relay and alls well... maybe for another 25 years! Thanks again, much appreciated. Now if anyone can tell me where to find a blue LED...

Yes, I think I got that but really the question was is it just a good quality, accurately calibrated resistor that acts like a fuse when required? Can't find anything listed at the required ratings as 'fusible' so plan on using a good quality precision resistor.

R289 is listed as a fusible resitor, although it looks like any other. Is a fusible resitor (as opposed to a fuse resistor) just a regular resistor resistor but with critical wattage parameters so it blows when required. If my interpretation of the part no is correct it's 1/4w

:-) yeh, confident all other caps are OK, checked everything I've replaced. I've ordered new cap C237, transistor Q237 and the 100ohm resistor R289 next to the cap. It measures OK but definitely some discolouration. Thanks for your help, I'll let you know how it goes

Thanks, I'll give it a go, not sure if my multimeter measures capacitance but cheap enough to try a new one. Will the relay come out of protection mode on it's own? I also noted there are two relays, are they both part of the protection circuit, are they channel specific or do the do completey...

Been doing a few stage by stage capacitor replacements and all was well up to today. Schoolboy error, put one cap in the wrong way round. In my defence all the other channel specific capacitors are mirrored - except these two! Nevertheless, should have checked the PCB rather than using the...

Just the same as came out, 0.47uf 50v. However, I was wondering if that was the culprit. No idea what it does but based on the facts that if there was something wrong with the smoothing caps I'd be in trouble, the caps at C201/C202 are channel specific and this is both channels, so it has to be...

I can hear the relay when switching on, can't hear anything over the speaker pop when switching off.

Thanks, yes I'm sure I've heard other amps do it but just a little concerned that this one didn't do it before the change of components. The original smoothing caps were 10,000uf and 50v, others like for like. Don't know enough to understand if that is the cause.

Just replaced my Pioneer A400 psu smoothing caps with 10000uF 63V Mundorf MLytic capacitors and also changed the caps at C201/C202 (coupling caps?) as well as the one at C306 next to the PSU smoothing caps. The amp works fine apart from the fact I now get a pop from the speakers when I switch...