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
585,153 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
1,376,511 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
12,362 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
7,409 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
124,748 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
68,884 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
220,864 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
434,931 views
0 reactions
 Last Post jvyt
by jvyt
06-25-2009, 01:40 AM
Dynex 400w ATX PSU: Power Good Not Lit
by bigbeark
Started by bigbeark, 06-15-2011, 08:52 AM
6 responses
3,486 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
6,287 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
4,460 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
5,456 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
5,295 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
7,792 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
4,705 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
5,985 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
4,802 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
3,364 views
0 reactions
 Last Post kc8adu
by kc8adu
06-06-2011, 08:32 PM
Gapped Ferrite Inductor Calculator
by Th3_uN1Qu3
Started by Th3_uN1Qu3, 05-30-2011, 09:52 AM
7 responses
7,268 views
0 reactions
 Last Post severach
by severach
06-06-2011, 07:40 PM
SMPS: which cap should be hi-ripple?
by baritonomarchetto
Started by baritonomarchetto, 05-12-2011, 06:11 AM
3 responses
3,209 views
0 reactions
 Last Post Longbow
by Longbow
06-06-2011, 09:24 AM
Hipro HP-Q2767F3P
by brethin
Started by brethin, 05-28-2011, 05:00 PM
3 responses
4,496 views
0 reactions
 Last Post brethin
by brethin
06-03-2011, 03:46 AM
EC 350X fried Power Supply (Probably a Codegen)
by goodpsusearch
Started by goodpsusearch, 05-30-2011, 04:21 PM
15 responses
7,510 views
0 reactions
 Last Post lti
by lti
06-02-2011, 02:57 PM
Making a test psu for Dell Gx620 usff
by Gabriel
Started by Gabriel, 05-31-2011, 01:07 PM
1 response
2,469 views
0 reactions
 Last Post Gabriel
by Gabriel
06-02-2011, 08:20 AM
alittle help please SL400
by Zorro57
Started by Zorro57, 05-14-2011, 12:23 AM
13 responses
3,664 views
0 reactions
 Last Post Zorro57
by Zorro57
05-31-2011, 03:18 PM
General computer PSU diagram please?
by thisguy
Started by thisguy, 05-23-2011, 04:16 PM
4 responses
2,991 views
0 reactions
 Last Post b700029
by b700029
05-29-2011, 01:16 AM
Help designing car buck boost for amp.
by TheLaw
Started by TheLaw, 05-25-2011, 05:44 PM
11 responses
4,504 views
0 reactions
 Last Post Th3_uN1Qu3
by Th3_uN1Qu3
05-27-2011, 01:34 PM
Sourcing Replacment MOV and Thermistor for Vizio VA26LHDTV10T Television
by imamachine
Started by imamachine, 05-06-2011, 11:31 AM
21 responses
10,821 views
0 reactions
 Last Post retiredcaps
by retiredcaps
05-26-2011, 04:02 PM
iMac 20" G5 AcBel PSU Question
by wonka1964
Started by wonka1964, 04-23-2010, 01:14 PM
5 responses
4,608 views
0 reactions
 Last Post Toasty
by Toasty
05-25-2011, 10:05 AM
Aspire/Apevia 520W
by Trinite
Started by Trinite, 05-12-2011, 08:07 PM
18 responses
7,193 views
0 reactions
 Last Post momaka
by momaka
05-23-2011, 06:34 PM
Thermaltake Purepower HPC-420-102 DF
by bw1
Started by bw1, 05-14-2011, 10:34 PM
8 responses
5,739 views
0 reactions
 Last Post goodpsusearch
by goodpsusearch
05-23-2011, 04:35 AM
Problem with DM7025 Power Supply
by nings
Started by nings, 05-16-2011, 02:37 PM
7 responses
7,749 views
0 reactions
 Last Post nings
by nings
05-21-2011, 12:44 PM
Cap ID help?
by Khron
Started by Khron, 05-19-2011, 11:22 AM
11 responses
3,889 views
0 reactions
 Last Post Uranium-235
by Uranium-235
05-21-2011, 08:36 AM
Raidmax RX-380K (ky-480atx)
by bsweasel
Started by bsweasel, 05-18-2011, 12:35 PM
8 responses
4,766 views
0 reactions
 Last Post c_hegge
by c_hegge
05-21-2011, 05:41 AM
Viewsonic PJ50D DLP Projector cuts out
by dzak66
Started by dzak66, 03-28-2011, 05:51 AM
5 responses
3,525 views
0 reactions
 Last Post momaka
by momaka
05-20-2011, 08:34 PM
PC P&C Silencer 420W
by Colt45ws
Started by Colt45ws, 01-19-2011, 07:16 AM
51 responses
13,215 views
0 reactions
 Last Post Colt45ws
by Colt45ws
05-17-2011, 10:16 PM
ACBEL 614-0306 + PowerMac G5
by Nablabla
Started by Nablabla, 04-29-2011, 04:39 AM
26 responses
10,737 views
0 reactions
 Last Post torgeson5kqs
by torgeson5kqs
05-16-2011, 07:26 AM
I think i found just the right MOSFETs for an inverter.
by Th3_uN1Qu3
Started by Th3_uN1Qu3, 05-15-2011, 06:50 AM
2 responses
2,811 views
0 reactions
 Last Post Th3_uN1Qu3
by Th3_uN1Qu3
05-16-2011, 02:46 AM
caps on Dell 250 watt power supply Hipro hp-p2507fwp or HP-p2507f3cp
by jimho
Started by jimho, 12-06-2009, 02:45 PM
34 responses
14,920 views
0 reactions
 Last Post lti
by lti
05-13-2011, 05:10 PM
Building your own power supply: A simple example
by Th3_uN1Qu3
Started by Th3_uN1Qu3, 05-09-2011, 10:17 AM
1 response
2,785 views
0 reactions
 Last Post Th3_uN1Qu3
by Th3_uN1Qu3
05-13-2011, 01:04 PM
SMPS high output voltage after recap
by baritonomarchetto
Started by baritonomarchetto, 05-11-2011, 06:08 AM
13 responses
5,429 views
0 reactions
 Last Post Scenic
by Scenic
05-12-2011, 12:33 PM
Power supply not working?
by xDrFalkenx
Started by xDrFalkenx, 05-09-2011, 06:41 PM
4 responses
2,259 views
0 reactions
 Last Post kaboom
by kaboom
05-10-2011, 05:59 PM
SMPS Inductor 101
by Th3_uN1Qu3
Started by Th3_uN1Qu3, 05-08-2011, 08:03 AM
0 responses
3,506 views
0 reactions
 Last Post Th3_uN1Qu3
by Th3_uN1Qu3
05-08-2011, 08:03 AM
EA-500D boots one PC but not the other
by DOS-man
Started by DOS-man, 04-04-2011, 12:32 AM
33 responses
6,813 views
0 reactions
 Last Post DOS-man
by DOS-man
05-06-2011, 11:34 AM
Seasonic Gutless fan fix?
by bigbeark
Started by bigbeark, 05-03-2011, 02:52 PM
11 responses
3,857 views
0 reactions
 Last Post momaka
by momaka
05-05-2011, 09:14 PM
I mac G5 PSU, ALS - odd voltages...
by trex66
Started by trex66, 01-29-2011, 01:36 AM
44 responses
11,002 views
0 reactions
 Last Post trex66
by trex66
05-03-2011, 09:14 AM
ATP-1655 mosfet equivalents
by seanc
Started by seanc, 04-03-2011, 04:21 PM
3 responses
3,863 views
0 reactions
 Last Post seanc
by seanc
04-30-2011, 09:55 AM
Recommend psu thread?
by Just-me
Started by Just-me, 04-29-2011, 03:11 AM
4 responses
2,298 views
0 reactions
 Last Post PCBONEZ
by PCBONEZ
04-30-2011, 07:19 AM
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