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 12,595 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 590,325 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 1,390,637 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 7,522 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 124,920 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 69,015 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 221,125 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 435,366 views 0 reactions	Last Post by jvyt 06-25-2009, 01:40 AM
AOpen burning coil (secondary) by relkin67 Started by relkin67, 08-29-2010, 08:03 AM	22 responses 6,751 views 0 reactions	Last Post by PCBONEZ 09-01-2010, 07:34 AM
Snap in Capacitors by mwturtle1 Started by mwturtle1, 06-12-2010, 12:58 PM	34 responses 17,294 views 0 reactions	Last Post by seanc 08-30-2010, 11:13 AM
PC Restarting/ Shutting off abruptly. by bhvm Started by bhvm, 07-15-2010, 11:02 PM	158 responses 37,310 views 0 reactions	Last Post by PCBONEZ 08-29-2010, 05:33 PM
apc smart-ups voltage problems by NoName Started by NoName, 10-01-2009, 01:52 AM	2 responses 5,684 views 0 reactions	Last Post by Master Beer 08-26-2010, 05:19 AM
Building a SMPS for an audio amplifier - some pointers required by Th3_uN1Qu3 Started by Th3_uN1Qu3, 07-29-2010, 04:12 PM	5 responses 6,320 views 0 reactions	Last Post by Th3_uN1Qu3 08-24-2010, 09:22 AM
Cap Numbers by DaGeo Started by DaGeo, 08-22-2010, 09:59 AM	3 responses 2,451 views 0 reactions	Last Post by retiredcaps 08-22-2010, 09:31 PM
dead arcade (peter chou) power supply by bluto Started by bluto, 06-13-2010, 03:04 AM	27 responses 15,897 views 0 reactions	Last Post by Toasty 08-19-2010, 11:38 PM
First arcade machines to use switching (not linear) power supplies by japlytic Started by japlytic, 08-19-2010, 01:14 AM	1 response 2,441 views 0 reactions	Last Post by stj 08-19-2010, 05:40 PM
Antec Earthwatts 380W +5VSB failure, wont turn on by Leopard Started by Leopard, 03-11-2010, 12:31 PM	18 responses 9,829 views 0 reactions	Last Post by Toasty 08-19-2010, 02:22 AM
PSU switches off when turn off Desk Lamp by Fizzycapola2 Started by Fizzycapola2, 03-09-2007, 08:02 PM	8 responses 4,348 views 0 reactions	Last Post by unolampshades 08-17-2010, 01:30 AM
gateway notebook adapter by labyrinth00 Started by labyrinth00, 08-12-2010, 06:15 AM	5 responses 4,902 views 0 reactions	Last Post by labyrinth00 08-15-2010, 10:16 AM
Bliss A-394 300W SFX by c_hegge Started by c_hegge, 08-13-2010, 12:03 AM	4 responses 3,718 views 0 reactions	Last Post by 370forlife 08-13-2010, 10:17 PM
Antec EA 380 by Akaister Started by Akaister, 08-10-2010, 04:31 PM	7 responses 3,719 views 0 reactions	Last Post by seanc 08-11-2010, 02:19 PM
Xerox WorkCentre P220 by smason Started by smason, 08-09-2010, 09:12 PM	3 responses 3,910 views 0 reactions	Last Post by smason 08-10-2010, 09:21 PM
Stumped this weird G4 power supply problem by JOHNBOY Started by JOHNBOY, 05-27-2010, 02:17 AM	108 responses 19,995 views 0 reactions	Last Post by JOHNBOY 08-10-2010, 01:48 AM
Braview PSU fraud. by cheese007 Started by cheese007, 08-03-2010, 05:08 PM	18 responses 5,788 views 0 reactions	Last Post by Khron 08-04-2010, 12:49 PM
Operation of the 5VSB system? by Per Hansson Started by Per Hansson, 07-24-2010, 10:33 AM	20 responses 10,900 views 0 reactions	Last Post by Per Hansson 08-01-2010, 03:11 PM
Printed board polarity correct? How can I tell? by kiddznet Started by kiddznet, 07-30-2010, 07:30 PM	6 responses 3,169 views 0 reactions	Last Post by 370forlife 07-31-2010, 07:14 AM
Which gets hotter??? by everell Started by everell, 07-21-2010, 08:16 PM	7 responses 3,403 views 0 reactions	Last Post by Th3_uN1Qu3 07-29-2010, 04:49 AM
-12v & -5v question by uligli Started by uligli, 07-24-2010, 06:35 AM	15 responses 9,745 views 0 reactions	Last Post by uligli 07-28-2010, 03:57 PM
Which of these psus is the safest? by goodpsusearch Started by goodpsusearch, 11-03-2009, 04:21 PM	142 responses 48,297 views 0 reactions	Last Post by POM_MJ 07-28-2010, 10:19 AM
Troubleshooting APC UPS Inverter by Sparky999 Started by Sparky999, 07-24-2010, 02:38 PM	11 responses 14,699 views 0 reactions	Last Post by Bubbanacious 07-26-2010, 07:58 AM
12w Potrans I.T.E Power supply model no UP01281120 by Per Hansson Started by Per Hansson, 06-17-2007, 11:53 AM	8 responses 11,353 views 0 reactions	Last Post by momaka 07-25-2010, 08:18 PM
Replacing primary power cap for shuttle silent X 350watt by tckoo1411 Started by tckoo1411, 07-22-2010, 08:45 PM	10 responses 4,023 views 0 reactions	Last Post by Per Hansson 07-24-2010, 04:49 AM
Dell GX270 Power Supplies by kenpospeed Started by kenpospeed, 06-22-2010, 03:54 PM	13 responses 4,232 views 0 reactions	Last Post by c_hegge 07-20-2010, 06:54 PM
High Pitched Whine - Antec Power Supply by rokkaholik Started by rokkaholik, 07-19-2010, 03:05 PM	5 responses 3,766 views 0 reactions	Last Post by Scenic 07-19-2010, 07:28 PM
Bestec ATX-250 12E going bad - waveform analysis by everell Started by everell, 07-11-2010, 08:16 AM	4 responses 3,463 views 0 reactions	Last Post by everell 07-19-2010, 05:14 PM
Belkin 12v 1A switching router PSU adaptor by bp1 Started by bp1, 07-18-2010, 11:12 AM	5 responses 5,182 views 0 reactions	Last Post by bp1 07-19-2010, 10:30 AM
Mpja Hy5003 by BullPar Started by BullPar, 07-16-2010, 06:53 AM	1 response 2,812 views 0 reactions	Last Post by Dgtech 07-16-2010, 02:11 PM
Dell Precision 450 by Grooby Started by Grooby, 07-11-2010, 07:44 PM	7 responses 3,506 views 0 reactions	Last Post by ratdude747 07-13-2010, 02:51 AM
is this a good way to use polymer caps? by jackywhatever Started by jackywhatever, 07-01-2010, 12:11 AM	16 responses 3,802 views 0 reactions	Last Post by jackywhatever 07-07-2010, 02:52 AM
Are the primaries used on 240V power lines? by c_hegge Started by c_hegge, 07-04-2010, 02:54 AM	10 responses 3,049 views 0 reactions	Last Post by PCBONEZ 07-05-2010, 06:39 PM
The most stable/efficient/reliable sub-500w ATX PSU? by jalyst Started by jalyst, 06-22-2010, 09:31 AM	61 responses 12,611 views 0 reactions	Last Post by jalyst 07-05-2010, 09:33 AM
Purpose of -5V and -12V rails by phoenixlament Started by phoenixlament, 06-01-2010, 10:55 PM	16 responses 4,645 views 0 reactions	Last Post by brethin 07-03-2010, 10:37 PM
Should I recap this unit?? FSP 350w by jackywhatever Started by jackywhatever, 06-22-2010, 08:45 AM	25 responses 6,979 views 0 reactions	Last Post by uligli 07-03-2010, 02:53 PM
Snap, crackle, and fart.... by everell Started by everell, 06-27-2010, 08:36 AM	4 responses 3,158 views 0 reactions	Last Post by ratdude747 06-29-2010, 06:28 PM
Transformer disassembly? by Khron Started by Khron, 06-27-2010, 11:31 PM	6 responses 3,881 views 0 reactions	Last Post by stj 06-28-2010, 10:12 AM
500W ATX PSU that won't power on at all by maverick530 Started by maverick530, 06-18-2010, 07:09 AM	5 responses 3,171 views 0 reactions	Last Post by maverick530 06-23-2010, 07:35 AM
Shenzhen Chi Yuan Industrial Co Ltd? by Super Nade Started by Super Nade, 10-23-2006, 12:52 PM	11 responses 8,564 views 0 reactions	Last Post by 370forlife 06-22-2010, 11:36 AM
CAPXON replacement caps for PS by SnakeBite Started by SnakeBite, 06-19-2010, 02:54 PM	8 responses 5,539 views 0 reactions	Last Post by robert 06-22-2010, 10:16 AM

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