Troubleshooting Power Supplies and Power Supply Design

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Technical discussion for power supplies. This covers PC supplies, and any other related power supply issue. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!

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Topics Statistics Last Post
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
581,114 views
0 reactions
 Last Post PeteS in CA
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
1,339,275 views
0 reactions
 Last Post japlytic
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
12,164 views
0 reactions
 Last Post tartuf
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
7,391 views
0 reactions
 Last Post RJARRRPCGP
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
124,704 views
0 reactions
 Last Post bianchi77
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
68,858 views
0 reactions
 Last Post moe2020
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
220,717 views
0 reactions
 Last Post momaka
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
434,150 views
0 reactions
 Last Post jvyt
by jvyt
06-25-2009, 01:40 AM
Fsp spi-200g
by pdavid
Started by pdavid, 07-18-2011, 09:15 AM
4 responses
3,032 views
0 reactions
 Last Post Th3_uN1Qu3
by Th3_uN1Qu3
07-19-2011, 11:38 AM
Is battery charger ok......
by Welchs101
Started by Welchs101, 07-15-2011, 03:24 PM
3 responses
2,261 views
0 reactions
 Last Post Longbow
by Longbow
07-16-2011, 09:40 AM
ISO-P500SPP Passive PFC capacitors
by Devis
Started by Devis, 07-14-2011, 01:13 PM
3 responses
3,099 views
0 reactions
 Last Post momaka
by momaka
07-14-2011, 09:25 PM
Antec Truepower Trio Trouble
by c_hegge
Started by c_hegge, 07-08-2011, 01:53 AM
1 response
3,099 views
0 reactions
 Last Post c_hegge
by c_hegge
07-14-2011, 08:40 PM
Delta DPS-250AB-8 and barbecued Toroids
by rogfanther
Started by rogfanther, 07-14-2011, 10:43 AM
0 responses
3,427 views
0 reactions
 Last Post rogfanther
by rogfanther
07-14-2011, 10:43 AM
Compaq pdp117p
by sorinede
Started by sorinede, 07-12-2011, 01:12 AM
2 responses
3,708 views
0 reactions
 Last Post sorinede
by sorinede
07-12-2011, 01:29 AM
Ultra X-ULT500P Experience?
by KenOlson
Started by KenOlson, 07-07-2011, 09:12 AM
6 responses
6,151 views
0 reactions
 Last Post larrymoencurly
by larrymoencurly
07-12-2011, 12:04 AM
Dell 2300 PSU Experience?
by KenOlson
Started by KenOlson, 07-11-2011, 01:47 PM
5 responses
2,855 views
0 reactions
 Last Post lti
by lti
07-11-2011, 05:22 PM
Output inductor replacement on FSP 700 PSU
by badcapsal
Started by badcapsal, 07-10-2011, 10:10 AM
8 responses
4,020 views
0 reactions
 Last Post Th3_uN1Qu3
by Th3_uN1Qu3
07-11-2011, 02:45 PM
Replacement Caps, Elektrolyt vers Foil
by arrudi
Started by arrudi, 07-09-2011, 05:23 AM
4 responses
2,566 views
0 reactions
 Last Post PCBONEZ
by PCBONEZ
07-10-2011, 02:59 AM
The Powerman cometh.......without power!
by everell
Started by everell, 07-09-2011, 06:36 PM
4 responses
4,271 views
0 reactions
 Last Post c_hegge
by c_hegge
07-09-2011, 09:19 PM
Check if 450v 560uF cap is blown using multimeter?
by Fuze
Started by Fuze, 07-08-2011, 01:53 PM
4 responses
3,818 views
0 reactions
 Last Post PCBONEZ
by PCBONEZ
07-09-2011, 08:37 AM
Noname 350w dead
by bluebear
Started by bluebear, 12-18-2010, 02:28 PM
20 responses
8,650 views
0 reactions
 Last Post c_hegge
by c_hegge
07-06-2011, 04:38 AM
G5 power supply partnumber exchange?
by Poppy
Started by Poppy, 06-26-2011, 12:11 PM
9 responses
3,152 views
0 reactions
 Last Post godonr
by godonr
07-05-2011, 07:12 PM
HIPRO PSU full of Teapo
by Digital Technophile
Started by Digital Technophile, 07-02-2011, 11:01 AM
10 responses
5,861 views
0 reactions
 Last Post PCBONEZ
by PCBONEZ
07-04-2011, 01:25 AM
FSP300-60BTV Diagnostics
by BillyJack
Started by BillyJack, 07-02-2011, 01:22 PM
3 responses
3,447 views
0 reactions
 Last Post PCBONEZ
by PCBONEZ
07-02-2011, 10:53 PM
Imac G5 20'' Recap... Shades Of Blue
by cheebster
Started by cheebster, 06-21-2010, 11:35 AM
14 responses
4,338 views
0 reactions
 Last Post PCBONEZ
by PCBONEZ
07-02-2011, 08:56 PM
iMac G5 PSU
by Kelly889
Started by Kelly889, 09-23-2010, 03:21 PM
15 responses
6,009 views
0 reactions
 Last Post marthyr
by marthyr
07-02-2011, 06:31 PM
are zener diodes common failure?
by jeepster
Started by jeepster, 06-25-2011, 08:01 AM
3 responses
6,384 views
0 reactions
 Last Post Longbow
by Longbow
07-01-2011, 07:48 AM
Recycling capacitors, where do you draw the line?
by Evil Lurker
Started by Evil Lurker, 06-24-2011, 11:53 PM
5 responses
3,645 views
0 reactions
 Last Post Longbow
by Longbow
07-01-2011, 07:38 AM
PCB from wine fridge
by trex66
Started by trex66, 02-01-2011, 01:09 PM
12 responses
10,395 views
0 reactions
 Last Post david heise
by david heise
06-30-2011, 10:52 AM
Dynex 300 watt DX-PS300W
by golemmaster
Started by golemmaster, 06-27-2011, 02:55 PM
4 responses
2,780 views
0 reactions
 Last Post 370forlife
by 370forlife
06-29-2011, 07:39 AM
Different PSUs and Different Motherboard Test Results
by KenOlson
Started by KenOlson, 06-27-2011, 11:28 AM
2 responses
2,173 views
0 reactions
 Last Post PCBONEZ
by PCBONEZ
06-27-2011, 04:07 PM
Dell voltage tolerance
by choffman41
Started by choffman41, 06-25-2011, 10:45 AM
2 responses
1,995 views
0 reactions
 Last Post choffman41
by choffman41
06-25-2011, 01:47 PM
AOpen FSP300-60BT PSU for Benchtesting Motherboards?
by KenOlson
Started by KenOlson, 06-20-2011, 02:17 PM
21 responses
7,219 views
0 reactions
 Last Post momaka
by momaka
06-24-2011, 04:53 PM
Magnovox / Philips 26MF605w/17
by john98103
Started by john98103, 06-19-2011, 03:10 PM
6 responses
5,986 views
0 reactions
 Last Post retiredcaps
by retiredcaps
06-20-2011, 11:21 PM
Recommend a PSU for Benchtesting Motherboards
by runner3735
Started by runner3735, 08-20-2008, 02:03 PM
26 responses
8,506 views
0 reactions
 Last Post KenOlson
by KenOlson
06-20-2011, 02:44 PM
Difference between 200WV & 200v rated cap
by sparkyuiop
Started by sparkyuiop, 06-18-2011, 06:27 PM
6 responses
18,491 views
0 reactions
 Last Post momaka
by momaka
06-19-2011, 09:42 PM
Is it worth $40?
by brethin
Started by brethin, 06-19-2011, 05:18 PM
9 responses
3,270 views
0 reactions
 Last Post PCBONEZ
by PCBONEZ
06-19-2011, 08:58 PM
Dynex 400w ATX PSU: Power Good Not Lit
by bigbeark
Started by bigbeark, 06-15-2011, 08:52 AM
6 responses
3,483 views
0 reactions
 Last Post bigbeark
by bigbeark
06-19-2011, 10:41 AM
SMPS Controller IC and Diodes
by Madcat
Started by Madcat, 06-16-2011, 05:01 AM
7 responses
6,277 views
0 reactions
 Last Post Longbow
by Longbow
06-17-2011, 09:09 AM
Okia atx-650t v2.0
by 370forlife
Started by 370forlife, 06-16-2011, 09:02 AM
7 responses
4,457 views
0 reactions
 Last Post 370forlife
by 370forlife
06-16-2011, 08:59 PM
Flash for camera quit working.
by Welchs101
Started by Welchs101, 06-11-2011, 06:36 AM
23 responses
5,449 views
0 reactions
 Last Post Welchs101
by Welchs101
06-16-2011, 08:41 PM
Line Regulation
by Th3_uN1Qu3
Started by Th3_uN1Qu3, 05-22-2011, 02:01 PM
11 responses
5,293 views
0 reactions
 Last Post Khron
by Khron
06-14-2011, 02:44 PM
Teardown and investigation of "LP" 150W sinewave inverter
by Th3_uN1Qu3
Started by Th3_uN1Qu3, 05-02-2011, 06:41 AM
15 responses
7,791 views
0 reactions
 Last Post Th3_uN1Qu3
by Th3_uN1Qu3
06-12-2011, 10:42 PM
Help identify there parts in Enermax EG365P-VE 5VSB circuit
by POM_MJ
Started by POM_MJ, 02-20-2010, 03:42 AM
4 responses
4,702 views
0 reactions
 Last Post py924
by py924
06-12-2011, 03:13 AM
Unknown Hipro... but they look good. What would you do?
by Th3_uN1Qu3
Started by Th3_uN1Qu3, 04-08-2011, 11:09 AM
16 responses
5,978 views
0 reactions
 Last Post Th3_uN1Qu3
by Th3_uN1Qu3
06-11-2011, 06:36 PM
Apple iMac Power Supply Acbel API4PC47-290 Dead
by torgeson5kqs
Started by torgeson5kqs, 05-20-2011, 12:06 PM
11 responses
4,770 views
0 reactions
 Last Post badassbarber
by badassbarber
06-10-2011, 02:54 PM
capacitor for carrier electronic air filter
by russ
Started by russ, 06-07-2011, 06:47 PM
4 responses
4,801 views
0 reactions
 Last Post Toasty
by Toasty
06-08-2011, 11:22 AM
power inverter caps
by justinf89
Started by justinf89, 06-03-2011, 03:40 PM
4 responses
3,362 views
0 reactions
 Last Post kc8adu
by kc8adu
06-06-2011, 08:32 PM
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