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
588,512 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
1,388,118 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
12,489 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
7,455 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
124,819 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
68,919 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
220,998 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
435,126 views
0 reactions
 Last Post jvyt
by jvyt
06-25-2009, 01:40 AM
Coolmax PSU's. Brand to avoid?
by ncovert
Started by ncovert, 02-03-2013, 12:34 PM
12 responses
3,731 views
0 reactions
 Last Post Wester547
by Wester547
02-03-2013, 08:34 PM
Power Inverter for a Car (Diagnose + Repair)
by scampo77
Started by scampo77, 12-22-2012, 11:24 AM
24 responses
7,696 views
0 reactions
 Last Post ben7
by ben7
02-03-2013, 08:07 PM
Need help with deciding on the PSU choice
by sm0ked
Started by sm0ked, 02-01-2013, 07:57 AM
4 responses
2,159 views
0 reactions
 Last Post 999999999
by 999999999
02-03-2013, 07:53 PM
2009-2011 Apple iMac 205W Power Supply Pinout?
by JuniperSprouts
Started by JuniperSprouts, 11-03-2012, 01:10 AM
2 responses
5,097 views
0 reactions
 Last Post Toasty
by Toasty
02-02-2013, 02:28 PM
Antec SL-400 burnt resistors' values
by LDSisHere
Started by LDSisHere, 01-25-2013, 05:34 PM
18 responses
3,445 views
0 reactions
 Last Post everell
by everell
01-29-2013, 06:13 PM
equivalent for ic switching power supply control
by marcdima
Started by marcdima, 01-20-2013, 02:40 PM
5 responses
4,932 views
0 reactions
 Last Post marcdima
by marcdima
01-29-2013, 04:13 PM
Corsair HX-520W - orange glow results in burned components
by retiredcaps
Started by retiredcaps, 09-27-2011, 05:46 PM
19 responses
7,480 views
0 reactions
 Last Post tom66
by tom66
01-28-2013, 04:35 PM
iMac 20" PSU dead, OK to use 6.3v caps instead of 10v?
by berniedd
Started by berniedd, 01-04-2012, 10:44 AM
19 responses
5,954 views
0 reactions
 Last Post berniedd
by berniedd
01-26-2013, 11:14 AM
Unknown PSU
by jm20101
Started by jm20101, 01-21-2013, 12:05 PM
12 responses
3,465 views
0 reactions
 Last Post momaka
by momaka
01-25-2013, 10:12 PM
Astron RM 50 M Repair DONE!
by Jack Crow
Started by Jack Crow, 01-20-2013, 09:38 AM
14 responses
5,652 views
0 reactions
 Last Post kc8adu
by kc8adu
01-24-2013, 07:25 AM
Pyramid PS-52KX Power Supply Fixed!
by Jack Crow
Started by Jack Crow, 01-20-2013, 06:24 PM
0 responses
5,632 views
0 reactions
 Last Post Jack Crow
by Jack Crow
01-20-2013, 06:24 PM
3 wire cord but no ground
by larrymoencurly
Started by larrymoencurly, 08-06-2012, 01:31 PM
22 responses
7,460 views
0 reactions
 Last Post larrymoencurly
by larrymoencurly
01-18-2013, 11:43 PM
Maxpower PL-300 one of the worst PSU'S ever
by jm20101
Started by jm20101, 11-11-2012, 05:52 AM
14 responses
5,259 views
0 reactions
 Last Post jm20101
by jm20101
01-18-2013, 07:59 AM
Identifying Cap Manfacture...
by KG7AMV
Started by KG7AMV, 01-16-2013, 04:45 PM
7 responses
2,592 views
0 reactions
 Last Post Khron
by Khron
01-18-2013, 02:46 AM
need suggestion on caps for dead AcBel/HP 5188-7520
by bfordz
Started by bfordz, 01-16-2013, 10:26 AM
2 responses
2,415 views
0 reactions
 Last Post bfordz
by bfordz
01-16-2013, 02:05 PM
Standardization for modular internal computer power supplies
by japlytic
Started by japlytic, 01-15-2013, 04:29 AM
1 response
1,993 views
0 reactions
 Last Post mariushm
by mariushm
01-15-2013, 09:18 AM
FSP228-3f01 PSU Not Starting.
by JonathanAnon
Started by JonathanAnon, 01-14-2013, 05:01 PM
0 responses
6,275 views
0 reactions
 Last Post JonathanAnon
by JonathanAnon
01-14-2013, 05:01 PM
Quick survey - which would you choose?
by Khron
Started by Khron, 01-14-2013, 02:29 PM
2 responses
1,940 views
0 reactions
 Last Post Khron
by Khron
01-14-2013, 03:26 PM
12 v Supplies
by ivtec
Started by ivtec, 01-12-2013, 04:35 PM
17 responses
4,446 views
0 reactions
 Last Post ivtec
by ivtec
01-14-2013, 12:01 PM
Fsp300-60pn(pf)
by pdavid
Started by pdavid, 12-30-2012, 11:14 AM
3 responses
2,448 views
0 reactions
 Last Post pdavid
by pdavid
01-14-2013, 07:46 AM
SmartUPS 1000 troubles
by Behemot
Started by Behemot, 01-12-2013, 03:48 AM
3 responses
2,225 views
0 reactions
 Last Post Behemot
by Behemot
01-12-2013, 09:38 PM
Maxspect G2 230W LED Power supply
by Blerog
Started by Blerog, 01-10-2013, 01:17 PM
4 responses
3,413 views
0 reactions
 Last Post Blerog
by Blerog
01-10-2013, 02:30 PM
ESR value for this cap
by titodj
Started by titodj, 01-10-2013, 10:29 AM
4 responses
2,672 views
0 reactions
 Last Post PeteS in CA
by PeteS in CA
01-10-2013, 02:03 PM
Inverters - 12volt to mains power 240v
by Oshi
Started by Oshi, 01-05-2013, 09:28 PM
13 responses
4,274 views
0 reactions
 Last Post Oshi
by Oshi
01-08-2013, 03:41 PM
Possible bad transformer.
by Th3_uN1Qu3
Started by Th3_uN1Qu3, 07-21-2012, 12:57 PM
33 responses
11,458 views
0 reactions
 Last Post Behemot
by Behemot
01-07-2013, 09:32 PM
Seasonic S12II-380 or Be Quiet! L8 430W, which is better?
by ham3r
Started by ham3r, 01-05-2013, 06:58 PM
14 responses
5,933 views
0 reactions
 Last Post ham3r
by ham3r
01-06-2013, 01:12 PM
Apple MDD PSU - ACBEL API1PC36
by Purge
Started by Purge, 01-01-2013, 01:25 PM
5 responses
5,961 views
0 reactions
 Last Post Toasty
by Toasty
01-06-2013, 01:56 AM
Antec SB350 ...whining...
by eccerr0r
Started by eccerr0r, 01-01-2013, 03:49 PM
16 responses
3,827 views
0 reactions
 Last Post Behemot
by Behemot
01-05-2013, 08:03 PM
APC smart ups 600i
by midibob
Started by midibob, 12-05-2012, 04:06 AM
5 responses
6,072 views
0 reactions
 Last Post midibob
by midibob
01-04-2013, 09:58 AM
Lower output voltage from 12V to 8V possible ?
by Gabriel
Started by Gabriel, 12-28-2012, 06:21 PM
11 responses
4,897 views
0 reactions
 Last Post tom66
by tom66
12-30-2012, 07:10 PM
AT PSU mod - take two!
by Th3_uN1Qu3
Started by Th3_uN1Qu3, 08-21-2012, 02:19 PM
24 responses
10,179 views
0 reactions
 Last Post zaero
by zaero
12-30-2012, 04:42 PM
Did I get a dud primary cap?
by Pentium4
Started by Pentium4, 12-26-2012, 03:03 PM
8 responses
2,750 views
0 reactions
 Last Post ben7
by ben7
12-26-2012, 05:38 PM
Help with Bentek DMC BP-200AD Power Supply
by grzesiek
Started by grzesiek, 12-12-2012, 05:15 PM
40 responses
11,745 views
0 reactions
 Last Post grzesiek
by grzesiek
12-26-2012, 08:01 AM
LG 50PC1DRA repair?
by seekerone
Started by seekerone, 12-21-2012, 12:47 PM
8 responses
3,898 views
0 reactions
 Last Post tom66
by tom66
12-23-2012, 03:43 PM
EC ATX-350W mod
by Behemot
Started by Behemot, 11-22-2012, 11:44 AM
9 responses
5,965 views
0 reactions
 Last Post Behemot
by Behemot
12-23-2012, 04:08 AM
Passive PFC - The HongKongFlyApart way
by c_hegge
Started by c_hegge, 07-30-2011, 11:00 PM
29 responses
8,120 views
0 reactions
 Last Post Rangwan
by Rangwan
12-22-2012, 08:54 PM
Help for APC back up UPS
by chinggis
Started by chinggis, 12-21-2012, 08:40 AM
0 responses
2,022 views
0 reactions
 Last Post chinggis
by chinggis
12-21-2012, 08:40 AM
DC to DC PSU project.
by lincoln2012
Started by lincoln2012, 12-17-2012, 12:27 AM
4 responses
2,206 views
0 reactions
 Last Post tom66
by tom66
12-20-2012, 03:29 PM
APC Back-UPS RS 1500 LCD
by altitude
Started by altitude, 12-18-2012, 01:45 PM
9 responses
3,546 views
0 reactions
 Last Post ben7
by ben7
12-20-2012, 10:54 AM
Dell NPS-730AB A - Intermittent shut-down?
by Logistics
Started by Logistics, 12-19-2012, 03:24 PM
5 responses
3,956 views
0 reactions
 Last Post PeteS in CA
by PeteS in CA
12-19-2012, 07:21 PM
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