Troubleshooting Power Supplies and Power Supply Design

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Sticky: List of pin compatible pwm/supervisor PSU ICs by Quaddro Started by Quaddro, 12-06-2019, 02:54 AM	19 responses 12,532 views 0 reactions	Last Post by protocold 10-29-2025, 09:12 PM
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 588,842 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 1,388,686 views 0 reactions	Last Post by japlytic 09-14-2024, 07:04 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 7,468 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 124,843 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 68,951 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 221,025 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 435,163 views 0 reactions	Last Post by jvyt 06-25-2009, 01:40 AM
Need Help indentifiying this autotransformer by Bubbsy 2002 Started by Bubbsy 2002, 01-01-2024, 02:48 PM	11 responses 178 views 0 reactions	Last Post by Bubbsy 2002 01-29-2024, 02:01 PM
I need help identifying the issue with my Magnavox MDR513H dvd recorder! by gilbert009 Started by gilbert009, 12-01-2021, 04:04 AM	6 responses 1,359 views 0 reactions	Last Post by emmausa 01-25-2024, 03:49 AM
Trying to find a datasheet for 2 smd's and the schematic for SMPS made by APEVIA by LA1 Started by LA1, 01-23-2024, 11:27 AM	3 responses 248 views 0 reactions	Last Post by Admin 01-23-2024, 03:22 PM
Cougar BXM850 by Rgyver2 Started by Rgyver2, 01-22-2024, 02:09 AM	2 responses 114 views 0 reactions	Last Post by Rgyver2 01-22-2024, 01:54 PM
Cosel ZUW25 2415 by JJ_ Started by JJ_, 01-20-2024, 08:41 PM	4 responses 112 views 0 reactions	Last Post by JJ_ 01-21-2024, 08:02 PM
Micronics Cyclone II 500W by прямо Started by прямо, 01-12-2024, 09:46 PM	6 responses 455 views 0 reactions	Last Post by прямо 01-19-2024, 08:07 PM
Power amplifier SMPS IGBT keeps blowing - Artcoustic PDA1000 by mikkele86 Started by mikkele86, 01-06-2024, 06:45 AM	22 responses 611 views 0 reactions	Last Post by Francesc V. 01-18-2024, 08:10 AM
I killed my VC04 Pro and need help by Dukenukemx Started by Dukenukemx, 01-14-2024, 10:04 PM	3 responses 129 views 0 reactions	Last Post by Dukenukemx 01-17-2024, 01:21 AM
Retro DC Bench Power Supply by Brendon@aa Started by Brendon@aa, 12-28-2023, 09:47 PM	7 responses 193 views 0 reactions	Last Post by Brendon@aa 01-15-2024, 09:36 PM
Problem with PSU Cooler Master MPX-5501-AMAAB by stomanata Started by stomanata, 01-07-2024, 11:48 AM	9 responses 736 views 0 reactions	Last Post by CapLeaker 01-13-2024, 02:05 PM
Encountering second-hand power by Cyrs Started by Cyrs, 01-11-2024, 05:45 AM	4 responses 115 views 0 reactions	Last Post by PeteS in CA 01-12-2024, 04:10 PM
QJE PS3010 Switching Power Supply schematic by Mobiletech-AUS Started by Mobiletech-AUS, 01-11-2024, 09:36 PM	2 responses 292 views 0 reactions	Last Post by stj 01-12-2024, 05:19 AM
Sentey ATX PSU - ERP650-PS - Trying to find out the right Standby IC by temyth Started by temyth, 01-07-2024, 04:50 PM	3 responses 154 views 0 reactions	Last Post by Francesc V. 01-08-2024, 05:37 AM
KDM 480W PSU upgrade succes! (opinions?) by bauto601 Started by bauto601, 12-26-2023, 03:05 PM	3 responses 330 views 0 reactions	Last Post by temyth 01-08-2024, 05:18 AM
Power Suply Led Driver Repair Problem by rodrigo.bernardo Started by rodrigo.bernardo, 01-06-2024, 08:06 AM	4 responses 148 views 0 reactions	Last Post by CapLeaker 01-07-2024, 06:33 AM
Surface Book replacement charger from dock by paparazzo79 Started by paparazzo79, 01-04-2024, 11:45 AM	2 responses 83 views 0 reactions	Last Post by CapLeaker 01-06-2024, 06:45 AM
PLP-60-48 Single Output LED Power Supply - "chirping" noise by tester001 Started by tester001, 12-06-2023, 06:39 AM	50 responses 615 views 0 reactions	Last Post by CapLeaker 01-01-2024, 07:44 PM
UE58J5000 PSU ICP8101 by brass19@ Started by brass19@, 12-22-2023, 04:06 AM	1 response 154 views 0 reactions	Last Post by kasfamily 01-01-2024, 10:15 AM
Is KT808AM compatible to 2SD867 ? by caspian Started by caspian, 12-30-2023, 10:26 PM	1 response 113 views 0 reactions	Last Post by PeteS in CA 12-31-2023, 11:04 AM
Extractor Fan power supply by pintglass Started by pintglass, 10-09-2019, 11:11 AM	47 responses 6,091 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 4,731 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 79 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 12,364 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 218 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 383 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 140 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 6,687 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 9,710 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 9,233 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 2,057 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 157 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 597 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 106 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 159 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 298 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 135 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 910 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 169 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 252 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 4,353 views 0 reactions	Last Post by traianvui 11-27-2023, 05:40 PM

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