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Search: Posts Made By: stj
Forum: Troubleshooting Game Consoles & Other Weird Devices Yesterday, 04:37 PM
Replies: 56
Views: 932
Posted By stj
Re: Catapillar ECU repair, need N548AB replacement?

put the part in a vise and bend the tab so the resin cracks away from it - see if it actually has a square of silicon in it.
Forum: General Capacitor Questions & Issues Yesterday, 04:26 PM
Replies: 13
Views: 264
Posted By stj
Re: Aracde Chassis Cap Replacement Help

240v monitors and tv's used a switching psu to obtain the B+ and a few other voltages for the mcu, audio amp etc.

the old arcade monitors with 100/120/128v input often use a linear regulator...
Forum: General Capacitor Questions & Issues 09-21-2021, 08:25 AM
Replies: 13
Views: 264
Posted By stj
Re: Aracde Chassis Cap Replacement Help

it's a 100v japanese monitor.
i had a dozen of the 14" version once.

and a full isolation transformer is mandatory even if you have a 100v supply.
Forum: Equipment Usage, Soldering, Techniques, and Reviews 09-20-2021, 09:03 AM
Replies: 88
Views: 12,589
Posted By stj
Re: Need software for Intelligent universal programmer lk48

yes, but when you install it it creates 2 seperate exe files.
i'll check it again later - i'll have to setup a damned windows laptop first though.
not something i normally have here. :)
Forum: General Capacitor Questions & Issues 09-20-2021, 08:59 AM
Replies: 36
Views: 3,313
Posted By stj
Re: 3300uf 6.3v for xbox

find my thread about fitting polymers - it has lots of links to aliexpress.
Forum: General Capacitor Questions & Issues 09-20-2021, 07:56 AM
Replies: 36
Views: 3,313
Posted By stj
Re: 3300uf 6.3v for xbox

yes, but using 5 polymers is better.
and the 3300uf caps are tall - so dont put one in the way of the heatsink clip
Forum: General Electronics Technical Discussion 09-20-2021, 07:20 AM
Replies: 23
Views: 436
Posted By stj
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-20-2021, 07:18 AM
Replies: 56
Views: 932
Posted By stj
Re: Catapillar ECU repair, need N548AB replacement?

gotta say, if i was designing an injector driver then those would be darlingtons
Forum: General Electronics Technical Discussion 09-19-2021, 03:41 PM
Replies: 23
Views: 436
Posted By stj
Re: A 2200lm 7057 LED car lamp...

it's an indicator lamp for a car.
Forum: Equipment Usage, Soldering, Techniques, and Reviews 09-19-2021, 10:49 AM
Replies: 4
Views: 139
Posted By stj
Re: ZD-915 vacuum pump motor mount service alert

the fans are always shit,
and they are 12v fans driven from the 20v pump supply via a pair of resistors.

i replaced mine with a high power sunon fan driven with 9v from a buck convertor.
i opted...
Forum: General Computer & Tech Discussion 09-19-2021, 10:45 AM
Replies: 5,087
Views: 886,251
Posted By stj
Re: best cheap/free scores 1.1

best thing to do with the sign is desolder the microcontroller / pia chip and fit an ESP module - then you can control it via wifi :)
Forum: General Electronics Technical Discussion 09-19-2021, 09:43 AM
Replies: 23
Views: 436
Posted By stj
Re: A 2200lm 7057 LED car lamp...

these are designed for a 50/50 duty cycle remember
Forum: Equipment Usage, Soldering, Techniques, and Reviews 09-18-2021, 09:24 PM
Replies: 88
Views: 12,589
Posted By stj
Re: Need software for Intelligent universal programmer lk48

are you using the XP version and not the UXP one?
the patch is only for the 48XP software.
Forum: General Capacitor Questions & Issues 09-18-2021, 02:27 PM
Replies: 13
Views: 264
Posted By stj
Re: Aracde Chassis Cap Replacement Help

what monitor is it?

btw, it's not going to be 11mm pitch, it sounds like a 10mm snap-in package.
Forum: Equipment Usage, Soldering, Techniques, and Reviews 09-18-2021, 10:47 AM
Replies: 44
Views: 20,144
Posted By stj
Re: [FAQ] Atten 858d problem S-E (or 5-E) or stuck in 498'C.

check the cable for breaks if it's old - i'v seen that lots of times on soldering irons.
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-18-2021, 08:59 AM
Replies: 56
Views: 932
Posted By stj
Re: Catapillar ECU repair, need N548AB replacement?

actually some of us have experience with those specific batteries.
they will last about 20years.
then all fucking hell with break loose - literally!
https://www.youtube.com/watch?v=OT9CWbK-2HU
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-18-2021, 08:46 AM
Replies: 56
Views: 932
Posted By stj
Re: Catapillar ECU repair, need N548AB replacement?

easy to find out - decap one using nitromores paint stripper or some other resin desolving substance.
Forum: Equipment Usage, Soldering, Techniques, and Reviews 09-18-2021, 08:45 AM
Replies: 88
Views: 12,589
Posted By stj
Re: Need software for Intelligent universal programmer lk48

did you install it first?
you patch the actual program exe file, not the installer.
btw, you can also use the latest 12.60 i think
Forum: Troubleshooting Power Supplies and Power Supply Design 09-17-2021, 05:39 PM
Replies: 19
Views: 265
Posted By stj
Re: Power supply board missing voltage

change the small capacitors - anything 100uf or less.
Forum: Equipment Usage, Soldering, Techniques, and Reviews 09-17-2021, 05:35 PM
Replies: 88
Views: 12,589
Posted By stj
Forum: General Computer & Tech Discussion 09-17-2021, 03:19 AM
Replies: 5,087
Views: 886,251
Posted By stj
Re: best cheap/free scores 1.1

the led sign probably has a leaked nicad battery in it - i fixed one before with that issue.
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-16-2021, 02:00 PM
Replies: 56
Views: 932
Posted By stj
Re: Catapillar ECU repair, need N548AB replacement?

i meant in the ecu! :)

some fuckers - i know john deer is one, need fault codes cleared with a service tool or they wont run.
Forum: General Electronics Technical Discussion 09-16-2021, 08:22 AM
Replies: 52
Views: 1,555
Posted By stj
Re: Is there a way to modify a IMAX b6 battery tester version 2 to only monitor volta

are they just bluetooth>serial convertors?
i see them all over ali/ebay
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-16-2021, 08:19 AM
Replies: 56
Views: 932
Posted By stj
Re: Catapillar ECU repair, need N548AB replacement?

imobiliser active / service scam activated?
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-15-2021, 05:00 AM
Replies: 56
Views: 932
Posted By stj
Re: Catapillar ECU repair, need N548AB replacement?

HMMMM.......
is that a "suicide battery" i see!!!
Showing results 1 to 25 of 500

 
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