Troubleshooting Power Supplies and Power Supply Design

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Sticky: the gutless, bloated, and fried power supply hall of shame by ratdude747 Started by ratdude747, 12-18-2009, 05:18 AM	1,759 responses 582,707 views 0 reactions	Last Post by PeteS in CA 09-16-2024, 04:31 PM
Sticky: Power supply build quality pictorial. part 2 by kc8adu Started by kc8adu, 06-29-2009, 01:23 PM	3,227 responses 1,352,033 views 0 reactions	Last Post by japlytic 09-14-2024, 07:04 PM
Sticky: List of pin compatible pwm/supervisor PSU ICs by Quaddro Started by Quaddro, 12-06-2019, 02:54 AM	18 responses 12,242 views 0 reactions	Last Post by tartuf 01-17-2023, 06:36 PM
Sticky: WARNING: Live heatsinks & single pole on/off switches in switching power supplies by Per Hansson Started by Per Hansson, 06-09-2021, 12:01 PM	6 responses 7,400 views 0 reactions	Last Post by RJARRRPCGP 12-29-2021, 12:12 AM
Sticky: The PSU FAQ by PeteS in CA Started by PeteS in CA, 08-28-2005, 04:29 PM	55 responses 124,734 views 0 reactions	Last Post by bianchi77 08-31-2016, 11:54 PM
Sticky: General PSU Discussion and FAQ contributions by PeteS in CA Started by PeteS in CA, 08-28-2005, 04:29 PM	20 responses 68,872 views 0 reactions	Last Post by moe2020 10-04-2015, 12:04 AM
Sticky: Power supply build quality pictorial DISCUSSION by dood Started by dood, 12-21-2005, 03:39 PM	353 responses 220,784 views 0 reactions	Last Post by momaka 06-19-2014, 12:52 PM
Closed, Sticky: Power supply build quality pictorial.closed.use part 2 by dood Started by dood, 12-21-2005, 03:39 PM	410 responses 434,518 views 0 reactions	Last Post by jvyt 06-25-2009, 01:40 AM
Extractor Fan power supply by pintglass Started by pintglass, 10-09-2019, 11:11 AM	47 responses 6,066 views 0 reactions	Last Post by chris.oates 12-31-2023, 07:33 AM
BN44-00156A Power Supply Board Schematic by risingfawn Started by risingfawn, 01-20-2015, 02:45 PM	3 responses 4,703 views 0 reactions	Last Post by deolav 12-28-2023, 10:35 AM
looking for programming software for board ETON.ET866 1302.2Z2 by BOSCHNJAK Started by BOSCHNJAK, 12-27-2023, 04:14 AM	3 responses 76 views 0 reactions	Last Post by BOSCHNJAK 12-27-2023, 09:25 AM
VIZ WP 708 Power Supply Issue by xmx Started by xmx, 01-19-2012, 08:47 PM	22 responses 12,329 views 0 reactions	Last Post by snapcrackle 12-26-2023, 03:17 PM
Dell E2016HV no power. by asiart Started by asiart, 12-22-2023, 04:32 AM	6 responses 211 views 0 reactions	Last Post by stj 12-26-2023, 08:49 AM
Repair of Sign WiFi Smart Plug PCB: SA-P302A v1.2 due to bad caps - with schematic by Per Hansson Started by Per Hansson, 12-23-2023, 06:20 AM	2 responses 358 views 0 reactions	Last Post by CapLeaker 12-24-2023, 05:54 AM
How can i connect type c cable to 19v power supply by shadow666 Started by shadow666, 12-23-2023, 03:32 AM	1 response 125 views 0 reactions	Last Post by stj 12-23-2023, 08:36 AM
Dying PSU - guess which brand? Corsair. by Lyricist Started by Lyricist, 11-21-2012, 01:18 AM	13 responses 6,680 views 0 reactions	Last Post by Blondiez78 12-23-2023, 04:40 AM
APC BACKUPS-RS550 not charging battery by jinu_j Started by jinu_j, 02-19-2020, 09:24 AM	29 responses 9,595 views 0 reactions	Last Post by redwire 12-20-2023, 12:25 PM
12V 10A CCTV camera system power supply pulsating by rddube Started by rddube, 10-08-2023, 02:33 PM	241 responses 9,043 views 0 reactions	Last Post by sam_sam_sam 12-18-2023, 07:40 AM
42 Watt LED Yard tare down recap ** How good is this switching power supply by sam_sam_sam Started by sam_sam_sam, 07-15-2018, 10:37 AM	15 responses 2,054 views 0 reactions	Last Post by sam_sam_sam 12-16-2023, 08:12 PM
none OEM charger for iPad Pro 12.9 by paparazzo79 Started by paparazzo79, 12-15-2023, 06:04 AM	8 responses 156 views 0 reactions	Last Post by CapLeaker 12-16-2023, 05:45 AM
Sony HCD DZ280 PSU by michel74 Started by michel74, 10-23-2023, 10:19 AM	4 responses 587 views 0 reactions	Last Post by sam_sam_sam 12-10-2023, 08:42 AM
Input Filter Filling: How to Choose Components? by cheese007 Started by cheese007, 12-06-2023, 09:59 AM	1 response 101 views 0 reactions	Last Post by PeteS in CA 12-06-2023, 08:20 PM
UC3842 Power Adapter Blowing Fuse by Dannyx Started by Dannyx, 12-05-2023, 12:06 PM	3 responses 156 views 0 reactions	Last Post by Dannyx 12-06-2023, 01:30 AM
Psu repair: UC3845 not starting up because of NE555 defect by vieuxchoub Started by vieuxchoub, 12-02-2023, 12:56 PM	3 responses 287 views 0 reactions	Last Post by PeteS in CA 12-04-2023, 08:54 PM
Conformal coating on Samsung U32D970 monitor PSU, do I need to replace after repair? by psyduck Started by psyduck, 11-27-2023, 06:56 PM	2 responses 125 views 0 reactions	Last Post by sam_sam_sam 12-03-2023, 01:17 AM
Problems with a LINEAR power supply by Francesc V. Started by Francesc V., 09-06-2023, 12:21 AM	9 responses 899 views 0 reactions	Last Post by sam_sam_sam 12-03-2023, 01:08 AM
IGBT replacement by Alekov_31 Started by Alekov_31, 11-23-2023, 02:36 AM	2 responses 168 views 0 reactions	Last Post by petehall347 12-02-2023, 08:54 PM
Led lights PCB burnt can I replace with these PCB? by irepair559 Started by irepair559, 11-19-2023, 03:51 PM	3 responses 250 views 0 reactions	Last Post by irepair559 11-29-2023, 12:25 AM
Nintendo 64 PSU - Secondary side dead by raider988 Started by raider988, 06-07-2019, 01:35 AM	18 responses 4,275 views 0 reactions	Last Post by traianvui 11-27-2023, 05:40 PM
Corsair RM850x Synchronous ATX PSU - need help diagnosing by W1ngl3t Started by W1ngl3t, 11-17-2023, 02:42 AM	2 responses 261 views 0 reactions	Last Post by CapLeaker 11-27-2023, 03:22 PM
How can I identify varistor which have been blew up? by chth96 Started by chth96, 11-26-2023, 08:52 AM	8 responses 250 views 0 reactions	Last Post by chth96 11-26-2023, 09:44 PM
Unidentified Mosfet power supply by aldo.trentamiglia Started by aldo.trentamiglia, 11-26-2023, 11:41 AM	1 response 96 views 0 reactions	Last Post by lotas 11-26-2023, 01:44 PM
Fractal Design Integra 750W blown resistor by Kuhanzzi Started by Kuhanzzi, 11-24-2023, 03:20 AM	1 response 72 views 0 reactions	Last Post by stj 11-24-2023, 01:15 PM
Enermax EG365P-VE by i4004 Started by i4004, 03-08-2008, 01:29 PM	9 responses 6,488 views 0 reactions	Last Post by g1150 11-21-2023, 08:44 AM
Atx psu 5Vstb present, no output by adelage Started by adelage, 11-10-2023, 08:13 AM	9 responses 993 views 0 reactions	Last Post by adelage 11-20-2023, 05:26 PM
Power Mac G4 MDD "Mirror-Door" won't power up by cyclones Started by cyclones, 06-23-2010, 04:37 PM	125 responses 60,391 views 0 reactions	Last Post by bzyzny 11-20-2023, 02:03 PM
ADBMS6815 full datasheet or SPI register description by uvoll Started by uvoll, 11-20-2023, 09:48 AM	0 responses 127 views 0 reactions	Last Post by uvoll 11-20-2023, 09:48 AM
V-moto emax 80l electric moped by azza1234 Started by azza1234, 11-19-2023, 06:31 AM	2 responses 195 views 0 reactions	Last Post by azza1234 11-19-2023, 08:46 AM
Desoldering station ZD 915 no indications, no heating by rippergr Started by rippergr, 10-24-2023, 11:46 AM	16 responses 1,375 views 0 reactions	Last Post by rippergr 11-18-2023, 01:12 AM
iMac a1225 Power Supply Board LITEON PA-3241-02A1 Repair by TheDaneH3 Started by TheDaneH3, 08-21-2020, 09:50 PM	5 responses 3,591 views 0 reactions	Last Post by MikeCebula 11-16-2023, 06:07 PM
Liteon pa-3271-06mx help!!!! by NConstantinou Started by NConstantinou, 11-10-2023, 02:58 AM	12 responses 821 views 0 reactions	Last Post by harp 11-14-2023, 08:57 AM
Cyberpower 1500AVR UPS repair by quickname Started by quickname, 11-12-2023, 09:57 AM	1 response 724 views 0 reactions	Last Post by shinel 11-13-2023, 04:05 AM
WT7527 supervisor shutting down a good PSU by MarkC1970 Started by MarkC1970, 11-05-2023, 11:26 AM	10 responses 1,344 views 0 reactions	Last Post by MarkC1970 11-10-2023, 10:51 PM
Help saving this power controller for FURNACE by imcool Started by imcool, 12-05-2022, 10:22 AM	2 responses 684 views 0 reactions	Last Post by Fatima Mehru 11-09-2023, 11:42 PM
Examination of Golden Field ATX-S628 550W peak power PSU by Newbie2 Started by Newbie2, 07-13-2010, 07:27 PM	28 responses 21,433 views 0 reactions	Last Post by ryananderes 11-09-2023, 11:39 PM
Component without datasheet IC's labeled "IN1S313I" and"IN1S424I" by Alimash Started by Alimash, 10-29-2023, 10:13 AM	4 responses 762 views 0 reactions	Last Post by lotas 11-09-2023, 02:29 PM
Old Tatung SMPS design, expert comment needed ... by KiwiME Started by KiwiME, 11-14-2016, 05:00 PM	11 responses 4,851 views 0 reactions	Last Post by victorpatrick 11-07-2023, 02:04 AM
Look for the resistor value in the BenQ G922HDAL monitor's power supply by Safrilhg Started by Safrilhg, 11-06-2023, 12:43 PM	5 responses 375 views 0 reactions	Last Post by Safrilhg 11-06-2023, 08:49 PM

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