Good work. Why is it that most cap failures seem to be 47uf. I've recapped so many machines over the years & this value is always is a failure point. I now replace as a matter of course.
My greetings from Indonesia. I also have the same item, the problem is that the sound is hoarse and noisy at low volume or a quarter turn, and the transitionor is hot after using it for more than 10 minutes. Can you provide a solution to this problem? Thank You
I think its down to lack of airflow. I ran the amp for a good few hours and it does get quite warm, but when i checked the capacitors weren't unduly hot. the mains TX and output transistors do get quite warm and as the case is small and has basically no ventilation the capacitors just slowly cook. I'm surprised more weren't out of speck.
Great video again lad, I have a unit making a clicking sound when on( clicks when music is playing) don't want to chuck it..look for did capacitors first? Ta bud
@JaysVintageJunk Hey, I have the exact same model and I've been looking for the circut diagram for ages! Can you please send me a pictue of the diagram by any chance? Thank you very much
Send me an email to jasontaylorelectric@gmail.com and ill send you the PDF of the manual, you'll have to give me a few days tho as i'm extremely busy at the moment.
Hi Jay. Great video. I have arrived here via Furious drivings Spectrum Video. Could you have a look at a Sony mid 80's amp for me. or can you recommend anyone who can? I dabble in repairs of Sony Hi-fi but this one is eluding me. I'm in South East London, Kent borders
It's an odd one this: caps that look nackered are fine, the good looking ones are bad and the whoomp sound on both channels is caused by a bad cap on one side? Well, repaired anyway. Well done.
Great video Jay!! A friend of a friend (you know how these things go 😉) bought one not long ago and another friend of that friend has been in endless argument about the wattage of this piece of kit. North American based forums tends to say it’s a 8w class A, and the first two pages of the U.K. version service manual says it’s 30W, which I presume it must be of class AB. Would you be so kind and shed us some light? (Since you do have the original service manual😉). Thank you in advance!!
@@williamsiu6291 Sorry its taken me so long to reply, Couldn't find the damn manual. anyway according to the manual its 30 watts into 8ohm load with both channels operating, so id take that as 15 Watt per channel. hope that helps.
@@Jayoldstuff1 Thanks for your kind help! After auditioning I guess you’re right it around the 15watt area. We’ll probably use your video as a walk walkthrough and re-cap the whole thing and see if the worth as a long-term keeper. Thanks again for your help! Have a good one :)
Helpful video. I just obtained one of these and the matching tuner. Very nice little system and the tuner is remarkably good for a budget offering. Happily both work fine, and I've learned through bitter experience not to recap unless necessary. It just begs problems, damaged pads and traces etc. So all I plan on doing is replacing the awful speaker connectors with proper binding posts and put LEDs in the tuner. The sound from this is really nice, if matched with easy to drive speakers.
Love 70s electronics..got a stereo my parents bought when I was born in 1971..still works like new unlike me 😂
the 70's stuff was the last to use desecrate transistors after that its all IC's, 70's and earlier is so much nicer to work on.
Ive been mad for f.. years... cannot get though out of my head now... great video
That first sound was just it's heart beating :)
My dad had one of these, always loved the way it looked.
Good work. Why is it that most cap failures seem to be 47uf. I've recapped so many machines over the years & this value is always is a failure point. I now replace as a matter of course.
Great stuff Jay =D
My greetings from Indonesia. I also have the same item, the problem is that the sound is hoarse and noisy at low volume or a quarter turn, and the transitionor is hot after using it for more than 10 minutes. Can you provide a solution to this problem? Thank You
Nice repair. Why did all the capacitors run hot if only one was faulty? Are the replacements getting hot?
I think its down to lack of airflow. I ran the amp for a good few hours and it does get quite warm, but when i checked the capacitors weren't unduly hot. the mains TX and output transistors do get quite warm and as the case is small and has basically no ventilation the capacitors just slowly cook. I'm surprised more weren't out of speck.
Is there a way to improve the airflow so it doesn't get too hot
Great video again lad, I have a unit making a clicking sound when on( clicks when music is playing) don't want to chuck it..look for did capacitors first? Ta bud
See if you can get a service manual 1st then check caps, voltages, and for dry joints.
@@Jayoldstuff1 ta lad
Hello friend! Could you send me pictures of the printed circuit boards of this device? And the main board components. Thanks,
I dont have it anymore, it was a repair for someone else and they no longer live local to me, sorry
@@Jayoldstuff1 Grateful friend! I already started repairing mine Obrigado
@JaysVintageJunk Hey, I have the exact same model and I've been looking for the circut diagram for ages! Can you please send me a pictue of the diagram by any chance? Thank you very much
Send me an email to jasontaylorelectric@gmail.com and ill send you the PDF of the manual, you'll have to give me a few days tho as i'm extremely busy at the moment.
Hi Jay. Great video. I have arrived here via Furious drivings Spectrum Video. Could you have a look at a Sony mid 80's amp for me. or can you recommend anyone who can? I dabble in repairs of Sony Hi-fi but this one is eluding me. I'm in South East London, Kent borders
It's an odd one this: caps that look nackered are fine, the good looking ones are bad and the whoomp sound on both channels is caused by a bad cap on one side?
Well, repaired anyway. Well done.
Always the way, the component you suspect the least turns out to be the fault.
Great video Jay!! A friend of a friend (you know how these things go 😉) bought one not long ago and another friend of that friend has been in endless argument about the wattage of this piece of kit. North American based forums tends to say it’s a 8w class A, and the first two pages of the U.K. version service manual says it’s 30W, which I presume it must be of class AB. Would you be so kind and shed us some light? (Since you do have the original service manual😉). Thank you in advance!!
Will be a few days before I’ll get chance to dig the service manual out but I’ll see what I can do
@@Jayoldstuff1 Great!! Thanks in advance with great great appreciation!! 😉
@@williamsiu6291 Sorry its taken me so long to reply, Couldn't find the damn manual. anyway according to the manual its 30 watts into 8ohm load with both channels operating, so id take that as 15 Watt per channel. hope that helps.
@@Jayoldstuff1 Thanks for your kind help! After auditioning I guess you’re right it around the 15watt area. We’ll probably use your video as a walk walkthrough and re-cap the whole thing and see if the worth as a long-term keeper. Thanks again for your help! Have a good one :)
Helpful video. I just obtained one of these and the matching tuner. Very nice little system and the tuner is remarkably good for a budget offering. Happily both work fine, and I've learned through bitter experience not to recap unless necessary. It just begs problems, damaged pads and traces etc.
So all I plan on doing is replacing the awful speaker connectors with proper binding posts and put LEDs in the tuner.
The sound from this is really nice, if matched with easy to drive speakers.