This Technics tuner has 3 bad caps together in a row they are bulging and leaking. I have never heard of these before? Gold Cap? 1.8volt,3.3f (I presume it means 3.3mf?) The service manual says they are double layer liquid electrolyte. Does anyone know anything about these caps,can I replace them with tantulum caps for instance? The service manual is next to useless I can hardly read it.Any help will be greatly appreciated.
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HP P6-2203a desktop,AMD CPU A8-5500 with Radeon HD7560D,3.20Ghz. Radeon HD 6670.8Gb Ram.2TB HDD. WIN 10 64 bit O/S. -
Re: Technics ST-S4 Capacitors
"3.3f" is 3.3 Farads, of which is regarded as a supercapacitor.
Supercapacitors (Panasonic calls them Gold Caps) are often used for memory backup during a power failure.My first choice in quality Japanese electrolytics is Nippon Chemi-Con, which has been in business since 1931... the quality of electronics is dependent on the quality of the electrolytics. -
Re: Technics ST-S4 Capacitors
those are most likely the backup power to keep the stations when it's unplugged (or turned off, if it has a hardware power switch)
not sure if this link will work, but this would be the cateory on digikey. 1.8V isn't available, but if you select 3.3f and tick "in stock", it'll show 4 results.
http://search.digikey.com/us/en/cat/...e-layer/131084
Probably wouldn't hurt if it was 2.7f or 3f either (apart from a somewhat lower amount of time it keeps the stations)
mind the dimensions thoughLast edited by Scenic; 12-03-2011, 06:14 AM.
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HP P6-2203a desktop,AMD CPU A8-5500 with Radeon HD7560D,3.20Ghz. Radeon HD 6670.8Gb Ram.2TB HDD. WIN 10 64 bit O/S.Comment
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Re: Technics ST-S4 Capacitors
If all three caps are connected in parallel, you could replace them with two of those caps.Comment
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Hi Im working on repairing this Asus GL504GS, and with meter in continuity mode, getting short to ground on all of these GPU related tantulum capacitors and .03ohm value in Diode mode (image with arrows). are these readings normal for this type of Board?
I tested the caps on another non working board, and get the same readings.
If abnormal, is it safe to inject 1v, 3-4amps to these to monitor with thermal cam?...07-20-2024, 12:59 PM -
Hi, I have some 32 bits computer motherboards that need repair, as they fail to
power on.
Here are some examples :
(N.B. "capacitors" indicated here are electrolytic capacitors located in the onboard
switching supply area).
(N.B. #2 : I could not find a 3300 microF aluminum-polymer with a higher voltage
than 6.3 V.)
1 - Motherboard #1 : this is an Asrock K7VT2 (socket A) that still works well. To put it on test
I replaced capacitors with aluminum-polymer.
3300 microF/6.3 V. x 4 replaced by 3300 microF/6.3 V. (KYOCERA... -
hey all, iv got my favourite battery charger here which iv had for many years probably 15 years now or maybe even more. it still works good but thought id open it up to clean the dust out of it, lots of dust inside but now its clean and noticed 4 capacitors inside it and wondered if i should replace them.
it has inside:
2 x 47uf 16v caps 105c branded as Su'scon (lol sounds sus to me)
2 x 470uf 16v LZ105c branded as G.Luxon
not heard of these brands are they any good?
iv attached photos of the charger and the board inside for an idea on the type of... -
I did not have any 27uf @ 50 volt capacitors but one nice thing is that it has enough room for two capacitors in parallel a 22uf and a 4.7uf @ 50 volts 22 plus 4.7 equals 26.7uf which so very close to 27uf I will show some pictures of it sometime tomorrow
This is one of the shit est boards I seen in a very long time and it was the daughter board the traces just lifting off the board I had to use the capacitor leads to repair the the traces and the main board is not any better because I had to repair several traces for the daughter board to the main board
After all of... -
I have a 2007-era Panasonic VHS combo that is full of of Elna RJG capacitors. I am trying to test the capacitors to diagnose the machine and then select replacement capacitors but I can not find any datasheets for them. I did find a Elna catalogue from 2007-2008 but there is no mention of this capacitor series. Where these specially made for Panasonic and so not made available to the public? Any ideas what to find out what the ESR values should be without the datasheets? They are all between 10V and 50V and 47uF and 1800uF. None are leaking or bulged but I know that they need to be tested to be...
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