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Search took 0.12 seconds. Search: Posts Made By: stj
Forum: Troubleshooting Game Consoles & Other Weird Devices Today, 10:44 AM
Replies: 5
Views: 60
Posted By stj
Re: Xbox 1.6 Motherboards and Polymer Capacitors

the cpu is a p3,
the corner pair are for 5v i think
Forum: Equipment Usage, Soldering, Techniques, and Reviews Today, 10:42 AM
Replies: 8
Views: 132
Posted By stj
Re: Buy a Agilent U1242A or Fluke 179 DMM?

it could have been bad leads or dirty sockets,
but the case obviously got exposed to oil.
i would have offered him 25 and told him to look at the cost of a shell!
Forum: Equipment Usage, Soldering, Techniques, and Reviews Today, 10:39 AM
Replies: 126
Views: 17,817
Posted By stj
Re: New tool to find short capacitors on motherboards : shorty with display

gerbers arent the issue,
i could cad that up in an hour or so.

the issue is Kripton changed the circuit because it couldnt provide enough stable current.
and a full circuit with changes wasnt...
Forum: Troubleshooting Game Consoles & Other Weird Devices Today, 06:57 AM
Replies: 5
Views: 60
Posted By stj
Re: Xbox 1.6 Motherboards and Polymer Capacitors

the caps are fine,

but isnt digikey going to fuck you on the minimum order / postage?

similar spec
https://uk.rs-online.com/web/p/polymer-capacitors/1749911
Forum: Troubleshooting Game Consoles & Other Weird Devices Today, 03:57 AM
Replies: 5
Views: 60
Posted By stj
Re: Xbox 1.6 Motherboards and Polymer Capacitors

6.3v is enough,
any larger and your wasting money.

the 1.6 only has space for 3 cpu caps, so using 2200uf is good.
the 2 caps closer to the corner are not cpu related, they are smoothing the...
Forum: General Electronics Technical Discussion Today, 03:52 AM
Replies: 3
Views: 47
Posted By stj
Re: Reading input and output of bridge rectifier on the same scope?

just as well the ground clips are sold in packs of 10 on aliexpress! :D
Forum: Equipment Usage, Soldering, Techniques, and Reviews Yesterday, 07:12 PM
Replies: 6
Views: 249
Posted By stj
Re: Short finder

i already got the parts :(
Forum: Troubleshooting Power Supplies and Power Supply Design Yesterday, 03:44 AM
Replies: 12
Views: 153
Posted By stj
Re: Reebok one GT40s treadmill lift motor runs at switch on

or sell it and go out for a walk.
i never understand why people buy these mini convayor belts!
https://www.youtube.com/watch?v=Ig4NK2xeboI
Forum: General Electronics Technical Discussion 06-24-2022, 06:21 PM
Replies: 51
Views: 2,621
Posted By stj
Re: Fixing a multimeter based on VC9805 schematic

did you move any of the contacts in the rotary switch?
Forum: Troubleshooting Power Supplies and Power Supply Design 06-24-2022, 12:55 PM
Replies: 12
Views: 153
Posted By stj
Re: Reebok one GT40s treadmill lift motor runs at switch on

if it has microswitches with diodes to stop it smashing out of range, check them.
it's handy that you know about sattelite dish jacks - because many of these things are similar
then check any...
Forum: General Electronics Technical Discussion 06-24-2022, 11:18 AM
Replies: 51
Views: 2,621
Posted By stj
Re: vc9805 multimetre arızası

check all the transistors for shorts - some are used for input protection.
Forum: Troubleshooting Power Supplies and Power Supply Design 06-24-2022, 11:07 AM
Replies: 7
Views: 174
Posted By stj
Re: remote control Part ID help please

try to read the flash with an ST-Link or a 5v serial2usb adapter
Forum: Troubleshooting Power Supplies and Power Supply Design 06-24-2022, 06:25 AM
Replies: 12
Views: 153
Posted By stj
Re: Reebok one GT40s treadmill lift motor runs at switch on

does it have limit switches at the end of travel?
Forum: Troubleshooting Game Consoles & Other Weird Devices 06-24-2022, 05:13 AM
Replies: 1
Views: 49
Posted By stj
Re: Modded PS1 stuck in black and white

page 18

trap filter, L507 & c523 would be a good place to start
and make sure none of the protection diodes are shorted
AND STOP USING GOOGLE!
:D
Forum: General Electronics Technical Discussion 06-24-2022, 05:05 AM
Replies: 18
Views: 754
Posted By stj
Re: Using car key fob as generic remote control

if you read the first post,
it's not about the car, he wants to re-use the keyfob for other things.
Forum: Troubleshooting Game Consoles & Other Weird Devices 06-23-2022, 05:13 AM
Replies: 1
Views: 42
Posted By stj
Re: Synology DS218Play

the MAC may be in a 93' series eeprom next to the ethernet controller
Forum: Equipment Usage, Soldering, Techniques, and Reviews 06-23-2022, 02:08 AM
Replies: 8
Views: 132
Posted By stj
Re: Buy a Agilent U1242A or Fluke 179 DMM?

i have 3
or maybe 4 if i can find it, i misplaced one about 3 - 5 years ago with a 9v battery in it!!! :(
Forum: Equipment Usage, Soldering, Techniques, and Reviews 06-22-2022, 02:47 AM
Replies: 8
Views: 132
Posted By stj
Re: Buy a Agilent U1242A or Fluke 179 DMM?

get both?
or i know a guy who will sell a Fluke 287 for £250
Forum: General Capacitor Questions & Issues 06-21-2022, 06:51 AM
Replies: 6
Views: 162
Posted By stj
Re: Cleaning up capacitor leakage

be carefull with acetone, you can take the markings off some parts with it
Forum: General Capacitor Questions & Issues 06-21-2022, 03:03 AM
Replies: 6
Views: 162
Posted By stj
Re: Cleaning up capacitor leakage

just isoprpanol
Forum: Troubleshooting Power Supplies and Power Supply Design 06-20-2022, 02:48 PM
Replies: 28
Views: 634
Posted By stj
Re: Learning with ATX CHIEFTEC 450W PSU

why not just desolder the apfc mosfet?
Forum: Troubleshooting Power Supplies and Power Supply Design 06-20-2022, 07:02 AM
Replies: 19
Views: 17,736
Posted By stj
Re: Thermal Master TM-350 (the not so gutless wonder)

Danyk may have one
http://www.danyk.cz/s_atx_en.html
Forum: General Electronics Technical Discussion 06-20-2022, 03:57 AM
Replies: 45
Views: 779
Posted By stj
Re: BAUN - UVST - 0617,Can anybody Identify these Please?

west london - seconds from the A40
Forum: General Electronics Technical Discussion 06-19-2022, 05:56 AM
Replies: 45
Views: 779
Posted By stj
Re: BAUN - UVST - 0617,Can anybody Identify these Please?

laptops dont make money.
i just keep them for personal use - different lap for each job.
1 for radio programming,
1 for software hacking (IDA-Pro) ertc.
and so on.

maybe gfx cards and games...
Forum: General Electronics Technical Discussion 06-19-2022, 02:41 AM
Replies: 45
Views: 779
Posted By stj
Re: BAUN - UVST - 0617,Can anybody Identify these Please?

thanks. :)
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