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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
579,534 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
1,329,095 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
11,916 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
7,334 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
124,645 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
68,818 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
220,548 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
433,652 views
0 likes
 Last Post jvyt
by jvyt
06-25-2009, 01:40 AM  
Help identifying caps needed for recap by digge
Started by digge, 03-14-2010, 10:34 AM
5 responses
3,223 views
0 likes
 Last Post digge
by digge
04-04-2010, 08:34 AM  
PA-6601-1A Power Supply schematic by jchrise
Started by jchrise, 03-31-2010, 09:08 AM
2 responses
4,476 views
0 likes
 Last Post seanc
by seanc
03-31-2010, 12:47 PM  
Input filter capacitor replacement 560uF by chud
Started by chud, 01-23-2010, 08:17 AM
17 responses
7,912 views
0 likes
 Last Post paul_h
by paul_h
03-31-2010, 09:53 AM  
(ASK) what mod should be do in this psu ? by ibet
Started by ibet, 03-12-2010, 09:10 AM
17 responses
5,007 views
0 likes
 Last Post ibet
by ibet
03-28-2010, 08:56 AM  
Help after checking psu "no signal " by sam67
Started by sam67, 03-01-2010, 09:28 AM
41 responses
9,035 views
0 likes
 Last Post sam67
by sam67
03-27-2010, 02:16 PM  
COOLER MASTER Elite 460 Watt RS-460-PSAR-J3 by TheRagnarok
Started by TheRagnarok, 03-19-2010, 03:21 PM
17 responses
6,669 views
0 likes
 Last Post 370forlife
by 370forlife
03-25-2010, 01:59 PM  
Incorrect voltage (wrong PSU) used on Linksys WRT-54g router. Help! by badaxe
Started by badaxe, 02-28-2010, 09:34 PM
37 responses
16,771 views
0 likes
 Last Post vuk1980
by vuk1980
03-25-2010, 01:38 AM  
thermaltake lasted 4 days after recap by timarlop
Started by timarlop, 03-23-2010, 02:37 PM
3 responses
2,838 views
0 likes
 Last Post timarlop
by timarlop
03-24-2010, 09:08 AM  
PSU with good caps only? any suggestion? by corliq
Started by corliq, 02-09-2010, 09:17 AM
24 responses
8,649 views
0 likes
 Last Post stj
by stj
03-20-2010, 11:53 AM  
Cannot Find a Needed Capacitor by Carrera
Started by Carrera, 12-01-2009, 12:13 PM
10 responses
6,153 views
0 likes
 Last Post Big Pope
by Big Pope
03-18-2010, 08:30 PM  
HP ZV5000 laptop AC adapter by Player2
Started by Player2, 03-18-2010, 02:24 AM
3 responses
2,779 views
0 likes
 Last Post Toasty
by Toasty
03-18-2010, 03:18 PM  
Antec EA-430D by TheRagnarok
Started by TheRagnarok, 03-18-2010, 01:35 AM
1 response
2,370 views
0 likes
 Last Post Toasty
by Toasty
03-18-2010, 03:30 AM  
Bestec ATX-300-12Z REV.EHR by POM_MJ
Started by POM_MJ, 10-17-2009, 08:42 AM
71 responses
22,160 views
0 likes
 Last Post PCBONEZ
by PCBONEZ
03-16-2010, 07:54 PM  
nemic-lambda industrial psu leakage from +12 to ac line! by kc8adu
Started by kc8adu, 03-16-2010, 01:25 PM
0 responses
2,412 views
0 likes
 Last Post kc8adu
by kc8adu
03-16-2010, 01:25 PM  
Need help HIPRO HP-D3057F3H by POM_MJ
Started by POM_MJ, 03-12-2010, 07:47 AM
11 responses
6,691 views
0 likes
 Last Post c_hegge
by c_hegge
03-14-2010, 04:08 AM  
Wrong polarity used on Linksys WRT-54g v2 router by mastamuzz
Started by mastamuzz, 03-05-2010, 12:35 PM
4 responses
2,630 views
0 likes
 Last Post Toasty
by Toasty
03-13-2010, 10:29 PM  
EG465-VE PSU NTC thermistor by User
Started by User, 03-08-2010, 03:10 PM
2 responses
3,670 views
0 likes
 Last Post User
by User
03-09-2010, 01:02 AM  
Need help with Antec TruePower2.0 380W by goodpsusearch
Started by goodpsusearch, 11-11-2009, 08:50 PM
75 responses
20,538 views
0 likes
 Last Post PCBONEZ
by PCBONEZ
03-08-2010, 12:15 PM  
square output UPS vs. bulk capacitor voltage by i4004
Started by i4004, 04-03-2008, 08:24 AM
58 responses
23,929 views
0 likes
 Last Post PCBONEZ
by PCBONEZ
03-07-2010, 01:49 PM  
Primary Filtering Insufficient? by bhvm
Started by bhvm, 03-03-2010, 09:35 PM
25 responses
5,677 views
0 likes
 Last Post bhvm
by bhvm
03-05-2010, 09:08 PM  
Minimum load resistors by 370forlife
Started by 370forlife, 03-03-2010, 04:32 PM
0 responses
2,267 views
0 likes
 Last Post 370forlife
by 370forlife
03-03-2010, 04:32 PM  
Recommendatiion for reliable PSU w/ 80mm fan by yyonline
Started by yyonline, 02-27-2010, 11:57 PM
2 responses
2,460 views
0 likes
 Last Post 370forlife
by 370forlife
02-28-2010, 07:03 AM  
FSP Blue Storm II 500 (No Power) by Howie
Started by Howie, 02-22-2010, 02:00 PM
6 responses
3,247 views
0 likes
 Last Post Toasty
by Toasty
02-27-2010, 10:45 PM  
Sum-vision KY-550ATX inrush current limiter by Radio Fox
Started by Radio Fox, 02-24-2010, 08:23 AM
15 responses
5,670 views
0 likes
 Last Post stj
by stj
02-26-2010, 09:02 AM  
The ultimate protection against Bestec PSUs by Agent24
Started by Agent24, 02-22-2010, 06:48 PM
20 responses
6,673 views
0 likes
 Last Post everell
by everell
02-25-2010, 03:52 PM  
Antec true550 ESp12V Recap - need help with replacement caps (have all info needed) by emplosion69
Started by emplosion69, 02-24-2010, 02:27 AM
6 responses
3,227 views
0 likes
 Last Post goodpsusearch
by goodpsusearch
02-24-2010, 06:24 AM  
Gotta love it.. by Solder Boy
Started by Solder Boy, 02-23-2010, 12:56 PM
3 responses
2,241 views
0 likes
 Last Post Solder Boy
by Solder Boy
02-23-2010, 07:02 PM  
Lite-ON made Dell SX280 PSU by hardwareguy
Started by hardwareguy, 02-19-2010, 01:07 AM
2 responses
2,874 views
0 likes
 Last Post Topcat
by Topcat
02-20-2010, 01:42 AM  
Enermax Liberty 500w by User
Started by User, 02-10-2010, 04:41 PM
5 responses
4,284 views
0 likes
 Last Post User
by User
02-18-2010, 08:08 PM  
Bestec ATX-250 by dvsf100
Started by dvsf100, 02-16-2010, 04:44 PM
3 responses
4,905 views
0 likes
 Last Post momaka
by momaka
02-16-2010, 10:55 PM  
Is buying a used SmartUPS a good idea? by gdement
Started by gdement, 01-27-2010, 10:04 PM
12 responses
5,009 views
0 likes
 Last Post Krankshaft
by Krankshaft
02-16-2010, 10:28 AM  
polymer caps for psu? by uligli
Started by uligli, 02-14-2010, 12:54 PM
5 responses
2,896 views
0 likes
 Last Post 370forlife
by 370forlife
02-15-2010, 04:55 PM  
How does this work by 370forlife
Started by 370forlife, 02-14-2010, 07:35 PM
4 responses
2,652 views
0 likes
 Last Post 370forlife
by 370forlife
02-15-2010, 06:31 AM  
RCA VCR Model#VR616HF by ConComp
Started by ConComp, 02-07-2010, 05:49 PM
0 responses
2,554 views
0 likes
 Last Post ConComp
by ConComp
02-07-2010, 05:49 PM  
General Possibly dumb question.... by DixiePenguin
Started by DixiePenguin, 01-29-2010, 05:40 PM
2 responses
2,603 views
0 likes
 Last Post momaka
by momaka
02-03-2010, 11:46 PM  
Bestec ATX0300P5WB - impending failiure? by Lukeno1
Started by Lukeno1, 01-30-2010, 04:10 PM
17 responses
7,172 views
0 likes
 Last Post 370forlife
by 370forlife
02-03-2010, 07:52 AM  
ChiefMax 550 watt ATX power supply problems by jhh
Started by jhh, 02-01-2010, 08:01 PM
4 responses
4,190 views
0 likes
 Last Post jhh
by jhh
02-02-2010, 04:27 PM  
I'm trying to modify this psu (Diamond 500w) by forza764
Started by forza764, 01-30-2010, 10:47 PM
30 responses
6,300 views
0 likes
 Last Post forza764
by forza764
02-02-2010, 02:22 PM  
Need help finding an LF Power Amp for my load tester by jonnyGURU
Started by jonnyGURU, 01-27-2010, 04:18 PM
17 responses
4,859 views
0 likes
 Last Post hardwareguy
by hardwareguy
01-30-2010, 03:43 AM  
Interesting... by 370forlife
Started by 370forlife, 01-28-2010, 04:18 PM
5 responses
3,336 views
0 likes
 Last Post Wizard
by Wizard
01-29-2010, 01:10 PM  
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