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Search: Posts Made By: stj
Forum: General Capacitor Questions & Issues Yesterday, 03:33 AM
Replies: 7
Views: 53
Posted By stj
Re: Cap Identification

domino's :)

go watch mr carlson's lab
https://www.youtube.com/c/MrCarlsonsLab/playlists
Forum: Troubleshooting Power Supplies and Power Supply Design Yesterday, 03:21 AM
Replies: 3
Views: 54
Posted By stj
Re: Bestec ATX0300F5WA - fast,or slow blow, fuse?

nothing etched on the metal fuse ends?
Forum: Troubleshooting Power Supplies and Power Supply Design Yesterday, 03:20 AM
Replies: 5
Views: 99
Posted By stj
Re: A Shorted wirewound resistor?

thats too high for current sense i think - more likely it's inline with the gate of the fet
Forum: Equipment Usage, Soldering, Techniques, and Reviews 05-16-2022, 12:46 PM
Replies: 9
Views: 124
Posted By stj
Re: Calibration 50 Ohm question

if the generator has a 50ohm output inpedence then we are good.
Forum: General Electronics Technical Discussion 05-16-2022, 06:26 AM
Replies: 4
Views: 85
Posted By stj
Re: Anyone know what this is?

MG is some manufacturer code, they usually just have the frequency on them.
Forum: Equipment Usage, Soldering, Techniques, and Reviews 05-16-2022, 06:24 AM
Replies: 9
Views: 124
Posted By stj
Re: Calibration 50 Ohm question

50ohm BNC passthrough - very easy to find

btw, imo calibration isnt important - you will just be looking at the waveform if it doesnt have "readout" capability

the voltage selector issue is...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-16-2022, 03:42 AM
Replies: 5
Views: 99
Posted By stj
Re: A Shorted wirewound resistor?

thats a fuseable resistor, if it's not open circuit then it's fine
Forum: Troubleshooting Power Supplies and Power Supply Design 05-16-2022, 03:38 AM
Replies: 16
Views: 173
Posted By stj
Re: equivalent for HT3582DM

i can probably send you a module - i think i have some spare.
you have the holder already i presume?
Forum: General Computer & Tech Discussion 05-16-2022, 03:31 AM
Replies: 3
Views: 267
Posted By stj
Re: Cooling experts wanted.... (with pictures)

use baffles and ducting to direct the air where you need it

incidentally, i go the other way.
BIG intake fans to create a positive pressure inside the case.
then if you put intake filters on the...
Forum: General Electronics Technical Discussion 05-15-2022, 12:56 PM
Replies: 1
Views: 49
Posted By stj
Re: Honton ICS-5630 BGA Machine Users Manual

http://www.szhonton.com/page84?_l=en&product_id=54

email Honton?
Forum: Troubleshooting Power Supplies and Power Supply Design 05-15-2022, 12:51 PM
Replies: 16
Views: 173
Posted By stj
Re: equivalent for HT3582DM

what voltage is in the "charger" ?
if it's 5v then you could put a tp4056 inside it
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-15-2022, 07:45 AM
Replies: 4
Views: 60
Posted By stj
Re: Uniden Bearcat BC 760XLT scanner no audio repair

you ever see the backlight fail?

i had a light like that on my tuner fail once - replaced it with one intended for a vcr deck.

cant do that now, so i'd have to find another way - maybe an led...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-15-2022, 07:35 AM
Replies: 16
Views: 173
Posted By stj
Re: equivalent for HT3582DM

6800mAh my ass, i'd love to throw that in my Li500 analyser :D

get a decent charger - they arent too expensive.
Forum: General Electronics Technical Discussion 05-15-2022, 07:32 AM
Replies: 4
Views: 85
Posted By stj
Re: Anyone know what this is?

it's a 6Mhz ceramic resonator with internal capacitors
the center pin is ground and the outer are the main pair.

and it's a USB keyboard most likely because 6Mhz is a derivative of the clock...
Forum: General Electronics Technical Discussion 05-15-2022, 07:30 AM
Replies: 6
Views: 123
Posted By stj
Forum: General Capacitor Questions & Issues 05-15-2022, 07:29 AM
Replies: 7
Views: 105
Posted By stj
Re: Question reform electrolytic capacitor

none of that qualify's for reforming
those consoles dont even have internal power supplies.

crt based stuff will slowly dry out their capacitors and need a recap, but not till you see a problem....
Forum: General Capacitor Questions & Issues 05-14-2022, 06:02 PM
Replies: 7
Views: 105
Posted By stj
Re: Question reform electrolytic capacitor

thats not "reforming"

how old is your stuff?
i think your concerned for no reason - games consoles have not been around long enough to need reforming.
and you cant repair dried out capacitors by...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-14-2022, 05:58 PM
Replies: 16
Views: 173
Posted By stj
Re: equivalent for HT3582DM

no.
the reason for the "unnecessary info" is because i was thinking of alternative solutions.
i cant find your lamp model,
i assume it has a micro barrel connector on it going directly to the...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-14-2022, 11:53 AM
Replies: 16
Views: 173
Posted By stj
Re: equivalent for HT3582DM

what battery is in your light?
infact show the light - i suspect i know the type
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-14-2022, 11:46 AM
Replies: 28
Views: 1,688
Posted By stj
Re: Agilent U1253B OLED display failed

i still want to see OLED's sold in green and orange like old crt's :D
Forum: General Capacitor Questions & Issues 05-14-2022, 11:43 AM
Replies: 7
Views: 105
Posted By stj
Re: Question reform electrolytic capacitor

no, once you rejuventate a capacitor it is good for years.
but you really need to look up how to do it, you are supposed to use the rated voltage at a low current for 24hours
Forum: General Capacitor Questions & Issues 05-14-2022, 02:39 AM
Replies: 7
Views: 105
Posted By stj
Re: Question reform electrolytic capacitor

you only need to reform caps that have been unused for years - many years.
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-14-2022, 02:30 AM
Replies: 7
Views: 140
Posted By stj
Re: Repair Synology DS118 - fsbl fail - RAM already changed

there are several loaders that load each other.
the cpu has one that loads the serial flash into ram and runs it,
then the one from the serial flash loads the actual o.s. - if it's linux then it...
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-14-2022, 02:26 AM
Replies: 2
Views: 53
Posted By stj
Re: Can you recognize this chip?

so whats printed on the chip?
Forum: General Electronics Technical Discussion 05-13-2022, 03:15 PM
Replies: 35
Views: 503
Posted By stj
Re: Line filter question

tv's are a bitch, you CAN get a shock off the antenna connector etc.
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