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Search: Posts Made By: stj
Forum: Troubleshooting Game Consoles & Other Weird Devices Today, 09:46 AM
Replies: 77
Views: 2,987
Posted By stj
Re: Honda CX500 Motorcycle CDI ignition unit

did r17 meter as 22ohms?
because reverse the colours and convert gold into brown to allow for age/heat and you get 1k :)
Forum: Troubleshooting TVs and Video Sources Today, 07:03 AM
Replies: 7
Views: 78
Posted By stj
Re: No backlight Philips 42pfl6007h/12 TV after thunderstorm

look at the lamp transformer and any semiconductors connected to it.
coils make great EMP recievers during storms!
Forum: Troubleshooting Laptops, Portable, and Mobile Devices Today, 02:55 AM
Replies: 4
Views: 85
Posted By stj
Forum: Troubleshooting Laptops, Portable, and Mobile Devices Yesterday, 03:06 PM
Replies: 4
Views: 85
Posted By stj
Re: Help identifying motherboard capacitors

those are inductors - coils
Forum: General Capacitor Questions & Issues 08-01-2021, 09:05 AM
Replies: 10
Views: 255
Posted By stj
Re: J107 Tantalum cap burning inside a USB hub?

vcore would have been an smd polymer cap
the black ones with laser-etched numbers
Forum: Troubleshooting Audio Equipment 08-01-2021, 03:27 AM
Replies: 6
Views: 99
Posted By stj
Re: TDGAUDIO NFC-83A ceiling speaker crossover repair(no output)

draw the circuit.
it doesnt look like a crossover though - only one cap.
Forum: General Electronics Technical Discussion 07-31-2021, 12:10 PM
Replies: 2
Views: 62
Posted By stj
Re: Is there a way to modify a IMAX b6 battery tester version 2 to only monitor volta

if it wont throw an error, you could remove the load balancing resistors and the main switching fet.
Forum: Troubleshooting Audio Equipment 07-31-2021, 12:08 PM
Replies: 6
Views: 99
Posted By stj
Re: TDGAUDIO NFC-83A ceiling speaker crossover repair(no output)

thats a stupid design, the vibration will fuck the soldering.
check the joints on the back of the board.
Forum: General Computer & Tech Discussion 07-31-2021, 02:22 AM
Replies: 5,020
Views: 867,015
Posted By stj
Re: best cheap/free scores 1.1

apple account??
you mean it uses cloud login?
if you do then fuck apple!!!
Forum: Troubleshooting Game Consoles & Other Weird Devices 07-30-2021, 03:57 AM
Replies: 2
Views: 62
Posted By stj
Re: Ctek 7000 - no charge

this?
https://www.ctek.com/business-uk/battery-chargers-12v-24v/xs-7000-uk

lets see some pictures.
Forum: General Capacitor Questions & Issues 07-30-2021, 03:45 AM
Replies: 77
Views: 9,930
Posted By stj
Re: Panasonic FC series - leaking? quality gone?

i have said this before,
i have seen them leak after years of use,
in sega dreamcast psu's and in sony made psu's from sun computers.
(so obviously not fakes)
Forum: General Capacitor Questions & Issues 07-30-2021, 03:42 AM
Replies: 8
Views: 183
Posted By stj
Forum: Equipment Usage, Soldering, Techniques, and Reviews 07-29-2021, 09:32 AM
Replies: 6
Views: 169
Posted By stj
Re: Achi pro SC controller

if a topswitch device blows, its usually caused by the startup capacitor.
a 10uf to 47uf electrolytic nearby.

i have to fix several hundred sattelite recievers with that problem once.
Forum: General Capacitor Questions & Issues 07-29-2021, 04:46 AM
Replies: 8
Views: 183
Posted By stj
Re: Should I use low ESR caps in TV power supply board, or will any kind suffice?

if it's 105' temp rated then it probably is low esr,
if it's 85' then it isnt.
Forum: Equipment Usage, Soldering, Techniques, and Reviews 07-29-2021, 04:42 AM
Replies: 6
Views: 169
Posted By stj
Re: Achi pro SC controller

it's your controller - i'm just looking at your pictures!
Forum: General Capacitor Questions & Issues 07-28-2021, 04:01 PM
Replies: 77
Views: 9,930
Posted By stj
Re: Panasonic FC series - leaking? quality gone?

the datasheets often state a storage-life
i dont know if that relates to loss of the "forming"
Forum: Equipment Usage, Soldering, Techniques, and Reviews 07-28-2021, 11:09 AM
Replies: 6
Views: 169
Posted By stj
Re: Achi pro SC controller

blown transistor mid-right too.
CAN A MOD CHANGE THE TITLE TO "Altec controller" ??
Forum: General Capacitor Questions & Issues 07-28-2021, 04:32 AM
Replies: 10
Views: 255
Posted By stj
Re: J107 Tantalum cap burning inside a USB hub?

it is rare though,
apple and sgi used to pack there boards with tants and you never heard of a fire in one.
Forum: Troubleshooting Power Supplies and Power Supply Design 07-28-2021, 04:22 AM
Replies: 7
Views: 355
Posted By stj
Re: Newton Power NPS-400AB Powers on for 2-3seconds then powers off

i have seen bad opto's
if they get overdriven (philips - i'm calling you out) then the led slowly loses output.
Forum: General Capacitor Questions & Issues 07-27-2021, 12:07 PM
Replies: 10
Views: 255
Posted By stj
Re: J107 Tantalum cap burning inside a USB hub?

exactly.
you need some headspace with tantalums because overvoltage or reverse-polarity will make them burn.
Forum: General Capacitor Questions & Issues 07-27-2021, 03:28 AM
Replies: 10
Views: 255
Posted By stj
Re: J107 Tantalum cap burning inside a USB hub?

100uf 6.3v???
bastards!!!

thats under-rated for a tantalum - you really need a 16v part there.
letter code "C"
Forum: Equipment Usage, Soldering, Techniques, and Reviews 07-25-2021, 06:54 AM
Replies: 78
Views: 11,764
Posted By stj
Re: Need software for Intelligent universal programmer lk48

thats poor programming, using a syscall like that - very easy to find and redirect!
Forum: General Capacitor Questions & Issues 07-24-2021, 02:20 AM
Replies: 19
Views: 1,933
Posted By stj
Re: Trying to locate this safety cap

interesting,
i'v never seen a 431 fail personally.
Forum: General Computer & Tech Discussion 07-24-2021, 02:18 AM
Replies: 5,020
Views: 867,015
Posted By stj
Re: best cheap/free scores 1.1

just use a $ store optical mouse.

i have one in every laptop bag - i cant stand touchpads
Forum: Equipment Usage, Soldering, Techniques, and Reviews 07-24-2021, 01:55 AM
Replies: 78
Views: 11,764
Posted By stj
Re: Need software for Intelligent universal programmer lk48

i found that sometimes you could only do one device, but other times it could take 15 or 30 minutes before it complained.
the randomness is probably intentional to make it hard to find.
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