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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
578,931 views
0 likes
 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
1,324,262 views
0 likes
 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
11,866 views
0 likes
 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
7,333 views
0 likes
 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
124,634 views
0 likes
 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
68,814 views
0 likes
 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
220,509 views
0 likes
 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
433,462 views
0 likes
 Last Post jvyt
by jvyt
06-25-2009, 01:40 AM  
Bliss ATX-300 anything but - no PW_OK by pfrcom
Started by pfrcom, 01-18-2012, 09:46 PM
6 responses
3,027 views
0 likes
 Last Post dmill89
by dmill89
02-15-2012, 11:35 PM  
Did I make a wise PSU purchase? by Newbie2
Started by Newbie2, 02-13-2012, 04:08 PM
9 responses
4,086 views
0 likes
 Last Post dmill89
by dmill89
02-15-2012, 10:47 PM  
My first ever PSU repair by Rulycat
Started by Rulycat, 10-24-2011, 02:56 PM
30 responses
6,960 views
0 likes
 Last Post Rulycat
by Rulycat
02-15-2012, 06:07 PM  
Where are all the parts? by kaboom
Started by kaboom, 04-29-2011, 02:35 PM
45 responses
12,658 views
0 likes
 Last Post PeteS in CA
by PeteS in CA
02-13-2012, 10:49 PM  
Another re-build (Codegen 450 W) by c_hegge
Started by c_hegge, 02-12-2012, 01:45 AM
18 responses
5,132 views
0 likes
 Last Post momaka
by momaka
02-13-2012, 10:36 PM  
Removing hot (well... cold now) glue by The_Assimilator
Started by The_Assimilator, 02-13-2012, 10:42 AM
7 responses
3,501 views
0 likes
 Last Post PCBONEZ
by PCBONEZ
02-13-2012, 10:17 PM  
Dell HP-P2507FWP3 by pdavid
Started by pdavid, 02-12-2012, 05:13 AM
5 responses
3,588 views
0 likes
 Last Post PeteS in CA
by PeteS in CA
02-12-2012, 03:29 PM  
Repaired A Dell Printer power supply this was fun ! by sam_sam_sam
Started by sam_sam_sam, 11-24-2011, 04:58 PM
5 responses
5,316 views
0 likes
 Last Post cheapie
by cheapie
02-08-2012, 10:39 PM  
LaCie dying power supplies by cyclones
Started by cyclones, 02-18-2010, 12:07 AM
9 responses
7,866 views
0 likes
 Last Post ben7
by ben7
02-08-2012, 07:08 PM  
The AcBel 550W - who is the OEM? by 370forlife
Started by 370forlife, 09-18-2009, 05:04 PM
16 responses
7,099 views
0 likes
 Last Post PCBONEZ
by PCBONEZ
02-04-2012, 01:51 PM  
Acbel API4FS06, Anyone opened one? by Maxxarcade
Started by Maxxarcade, 01-26-2010, 09:35 PM
4 responses
3,657 views
0 likes
 Last Post ncovert
by ncovert
02-04-2012, 07:47 AM  
iMac G5 PPC Power Supply by CarlDay
Started by CarlDay, 01-30-2012, 06:23 AM
12 responses
5,000 views
0 likes
 Last Post Toasty
by Toasty
02-03-2012, 11:41 AM  
Suing Antec by Shocker
Started by Shocker, 02-03-2012, 05:39 AM
40 responses
55 views
0 likes
 Last Post Shocker
by Shocker
02-03-2012, 05:39 AM  
PSU imac G5 shot when testing by herrdeh
Started by herrdeh, 01-06-2012, 12:10 PM
13 responses
4,021 views
0 likes
 Last Post herrdeh
by herrdeh
02-02-2012, 04:20 AM  
Information on original IBM 5150 PC power supply? by kens
Started by kens, 01-31-2012, 01:42 AM
0 responses
2,502 views
0 likes
 Last Post kens
by kens
01-31-2012, 01:42 AM  
Need to know common x and y capacitors used in power supplies. by Koda
Started by Koda, 01-28-2012, 02:29 PM
11 responses
7,011 views
0 likes
 Last Post PeteS in CA
by PeteS in CA
01-30-2012, 02:25 PM  
Need help identifiying resistor value on ATNG PSU by 2lazy
Started by 2lazy, 01-27-2012, 12:37 PM
3 responses
2,727 views
0 likes
 Last Post selldoor
by selldoor
01-30-2012, 09:03 AM  
Please help to identify this resistor in desktop FSP power supply by Ray Kaminek
Started by Ray Kaminek, 01-29-2012, 01:45 PM
1 response
2,241 views
0 likes
 Last Post c_hegge
by c_hegge
01-29-2012, 03:47 PM  
An "always on" computer by ELItheICEman
Started by ELItheICEman, 01-28-2012, 01:41 AM
2 responses
2,205 views
0 likes
 Last Post b700029
by b700029
01-28-2012, 05:09 AM  
FSP 5VSB Question by mockingbird
Started by mockingbird, 01-26-2012, 12:41 AM
24 responses
6,652 views
0 likes
 Last Post mockingbird
by mockingbird
01-27-2012, 12:47 PM  
Dell Dimension 2400 PSU? by bigbeark
Started by bigbeark, 01-25-2012, 08:47 AM
5 responses
2,705 views
0 likes
 Last Post PCBONEZ
by PCBONEZ
01-26-2012, 04:09 PM  
High Power HPC-420-102 DF by joshnz
Started by joshnz, 01-12-2012, 11:35 PM
3 responses
2,671 views
0 likes
 Last Post joshnz
by joshnz
01-25-2012, 02:08 AM  
SkyHawk Power One by pfrcom
Started by pfrcom, 10-30-2010, 05:01 PM
16 responses
3,927 views
0 likes
 Last Post pfrcom
by pfrcom
01-25-2012, 01:16 AM  
Fsp032-2p101v by kresh
Started by kresh, 01-25-2012, 12:18 AM
0 responses
2,197 views
0 likes
 Last Post kresh
by kresh
01-25-2012, 12:18 AM  
Can I modify my MOLEX Power Supply to accept SATA connectors? by DTLMG
Started by DTLMG, 01-22-2012, 06:27 PM
6 responses
12,008 views
0 likes
 Last Post severach
by severach
01-24-2012, 12:29 AM  
iMAC G5 Power Supply API4PC46-290 REV.A pin 8 no voltage by torgeson5kqs
Started by torgeson5kqs, 01-10-2012, 11:17 PM
23 responses
6,221 views
0 likes
 Last Post torgeson5kqs
by torgeson5kqs
01-22-2012, 04:44 PM  
Dell monitor by cb92
Started by cb92, 01-01-2012, 06:03 PM
28 responses
9,914 views
0 likes
 Last Post cb92
by cb92
01-21-2012, 04:39 PM  
Where to buy by postman
Started by postman, 01-20-2012, 02:08 AM
2 responses
2,322 views
0 likes
 Last Post retiredcaps
by retiredcaps
01-20-2012, 02:53 AM  
Keerda ATX-2000B alias P4-500W 500 watt psu by everell
Started by everell, 01-18-2012, 06:08 PM
9 responses
9,233 views
0 likes
 Last Post kc8adu
by kc8adu
01-19-2012, 03:24 AM  
Arcon caps in Dell PSU.... by stevo1210
Started by stevo1210, 09-01-2007, 08:49 AM
12 responses
4,288 views
0 likes
 Last Post LLLlllou
by LLLlllou
01-19-2012, 12:57 AM  
PSU just "exploded" what's the cause? by playman
Started by playman, 01-12-2012, 10:16 AM
7 responses
5,706 views
0 likes
 Last Post 999999999
by 999999999
01-15-2012, 05:28 PM  
Highest Density Capacitors for high density design by magudaman
Started by magudaman, 01-14-2012, 10:10 PM
3 responses
2,359 views
0 likes
 Last Post 999999999
by 999999999
01-15-2012, 04:20 PM  
Power supply plugs are diffrent! by Sgnob
Started by Sgnob, 01-14-2012, 09:21 PM
8 responses
3,488 views
0 likes
 Last Post dmill89
by dmill89
01-15-2012, 02:25 AM  
iMac 20" PSU 661-3350 - WT7515 Supervisor chip problem by Fedguy
Started by Fedguy, 09-30-2011, 10:23 PM
5 responses
3,297 views
0 likes
 Last Post Toasty
by Toasty
01-13-2012, 10:30 PM  
Post your bad experiences with Antec power supplies here! by Newbie2
Started by Newbie2, 12-19-2005, 04:37 PM
75 responses
38,378 views
0 likes
 Last Post Behemot
by Behemot
01-13-2012, 03:10 PM  
HP54501A 100 MHz digitising oscilloscope power cycling by tom66
Started by tom66, 11-17-2011, 05:31 PM
6 responses
4,558 views
0 likes
 Last Post tom66
by tom66
01-12-2012, 05:38 PM  
Cheap Chinese junk power supply by tom66
Started by tom66, 01-12-2012, 08:14 AM
0 responses
2,301 views
0 likes
 Last Post tom66
by tom66
01-12-2012, 08:14 AM  
iMAC G5 ALS PowerSupply API4PC46-290 REV.A R37 near 3845B by Santaken
Started by Santaken, 05-23-2011, 01:14 AM
47 responses
11,793 views
0 likes
 Last Post Toasty
by Toasty
01-10-2012, 06:31 PM  
Msi al-b500e 500w psu by Sparky
Started by Sparky, 01-08-2012, 10:52 PM
11 responses
5,707 views
0 likes
 Last Post Th3_uN1Qu3
by Th3_uN1Qu3
01-10-2012, 12:19 PM  
Alternative req'd for wet tantalum axial caps by Richie_asg1
Started by Richie_asg1, 01-08-2012, 04:35 PM
5 responses
2,884 views
0 likes
 Last Post 999999999
by 999999999
01-09-2012, 02:03 PM  
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