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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
579,477 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
1,328,864 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
11,900 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
124,641 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
68,817 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
220,547 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
433,639 views
0 likes
 Last Post jvyt
by jvyt
06-25-2009, 01:40 AM  
Cyberpower cps1500avr not charging batteries by carrzkiss
Started by carrzkiss, 06-15-2024, 02:10 PM
32 responses
588 views
0 likes
 Last Post valvashon
by valvashon
06-26-2024, 07:22 PM  
Omega MML200 Coutant Lambda PSU repair by Crystaleyes
Started by Crystaleyes, 05-29-2024, 08:23 PM
19 responses
315 views
0 likes
 Last Post Crystaleyes
by Crystaleyes
06-24-2024, 07:38 PM  
Help with treadmill control board by maoama
Started by maoama, 06-13-2018, 09:50 PM
5 responses
1,435 views
0 likes
 Last Post leopardoChilevalpo2024
by leopardoChilevalpo2024
06-19-2024, 07:02 PM  
Velodyne SMPS, power transformer by PlayerOne
Started by PlayerOne, 03-31-2020, 12:37 PM
32 responses
5,163 views
0 likes
 Last Post Petr0x
by Petr0x
06-16-2024, 11:39 PM  
Power board for a roller shutter door motor by Cornboats
Started by Cornboats, 06-15-2024, 10:49 AM
7 responses
128 views
0 likes
 Last Post CapLeaker
by CapLeaker
06-16-2024, 11:01 AM  
fault in laptop charger 65 W lenovo usb c (adlx65ycc3d) by claws77
Started by claws77, 06-15-2024, 06:46 AM
0 responses
53 views
0 likes
 Last Post claws77
by claws77
06-15-2024, 06:46 AM  
Mechanic VC04 burned Component identify. by Ariu
Started by Ariu, 04-07-2022, 01:07 PM
15 responses
1,449 views
0 likes
 Last Post Yipiekaie
by Yipiekaie
06-14-2024, 11:50 AM  
Boston Acoustics Soudware Subwoofer PowerSupply by jinu_j
Started by jinu_j, 08-20-2023, 02:08 AM
16 responses
1,690 views
0 likes
 Last Post jinu_j
by jinu_j
06-13-2024, 11:11 PM  
LENOVO THhinkpad E15 by akioakio
Started by akioakio, 06-13-2024, 03:32 AM
0 responses
88 views
0 likes
 Last Post akioakio
by akioakio
06-13-2024, 03:32 AM  
Corsair RM650 ATX, possibly struck by lightning by Sam “Captain” W. C
Started by Sam “Captain” W. C, 06-12-2024, 09:52 AM
7 responses
163 views
0 likes
 Last Post Sam “Captain” W. C
by Sam “Captain” W. C
06-12-2024, 04:53 PM  
iMac A1311 PSU repair questions by Crystaleyes
Started by Crystaleyes, 07-04-2022, 04:50 PM
17 responses
3,108 views
0 likes
 Last Post sam_sam_sam
by sam_sam_sam
06-11-2024, 06:29 PM  
Midea Control Board from Home Depot MiniSplit by repair-it
Started by repair-it, 06-07-2024, 01:28 PM
1 response
68 views
0 likes
 Last Post CapLeaker
by CapLeaker
06-07-2024, 04:31 PM  
Dell optiplex PSU problem by gizaha
Started by gizaha, 05-20-2024, 07:33 AM
3 responses
119 views
0 likes
 Last Post gizaha
by gizaha
06-04-2024, 01:21 AM  
ATX brown wire sense range by harp
Started by harp, 05-16-2024, 05:44 PM
5 responses
100 views
0 likes
 Last Post harp
by harp
06-01-2024, 11:24 AM  
PowerMac G5 ACBel 614-0303 buzzing by dcbw
Started by dcbw, 05-31-2024, 07:13 AM
0 responses
35 views
0 likes
 Last Post dcbw
by dcbw
05-31-2024, 07:13 AM  
Epson L3210 Power Supply by asiart
Started by asiart, 05-23-2024, 10:22 PM
5 responses
235 views
0 likes
 Last Post asiart
by asiart
05-25-2024, 12:04 AM  
Bosch 12V and 18V chargers modification by Petr0x
Started by Petr0x, 05-24-2024, 01:00 PM
0 responses
157 views
0 likes
 Last Post Petr0x
by Petr0x
05-24-2024, 01:00 PM  
Cyberpower PR1500 won't charge battery by elmo
Started by elmo, 01-03-2015, 10:44 PM
136 responses
50,522 views
0 likes
 Last Post ikalafat
by ikalafat
05-24-2024, 04:17 AM  
optocoupler? B3PBE0000060 by jm1234
Started by jm1234, 05-24-2024, 12:51 AM
3 responses
71 views
0 likes
 Last Post harp
by harp
05-24-2024, 02:40 AM  
SMPS 750W 25VAC out not working correctly by foshland
Started by foshland, 05-17-2024, 05:43 AM
3 responses
90 views
0 likes
 Last Post foshland
by foshland
05-21-2024, 03:09 AM  
certaUPS C200 1000va UPS won't run on batteries by benweston
Started by benweston, 03-10-2024, 01:38 PM
4 responses
95 views
0 likes
 Last Post CapLeaker
by CapLeaker
05-20-2024, 07:31 PM  
12v PSU help please. by CraigR
Started by CraigR, 05-07-2024, 02:25 PM
7 responses
119 views
0 likes
 Last Post CraigR
by CraigR
05-20-2024, 04:52 PM  
Resistor Identification by Mufasa
Started by Mufasa, 05-16-2024, 12:42 PM
2 responses
89 views
0 likes
 Last Post Mufasa
by Mufasa
05-20-2024, 01:06 PM  
Samsung Washing machine won't power on dc41-00189a by Lalabarrett
Started by Lalabarrett, 12-27-2020, 05:20 PM
23 responses
6,237 views
0 likes
 Last Post lotas
by lotas
05-18-2024, 11:41 AM  
Artlii Projector Enjoy2 1080P Mini Smart Projector Power Supply Repair by garrymc123
Started by garrymc123, 04-09-2024, 05:17 AM
2 responses
73 views
0 likes
 Last Post CapLeaker
by CapLeaker
05-18-2024, 04:39 AM  
A funny fuse story – Lumix LX100 II by corrize
Started by corrize, 10-19-2023, 09:58 AM
8 responses
619 views
0 likes
 Last Post Kg74
by Kg74
05-15-2024, 04:20 PM  
PS4 pro PSU (ADP-300FR) shuts down when turning on 12V by Norrecito
Started by Norrecito, 08-20-2022, 10:26 AM
27 responses
9,887 views
0 likes
 Last Post sam_sam_sam
by sam_sam_sam
05-07-2024, 06:30 AM  
Seasonic X660 not turning on when PC is in sleep mode by joekajoeka
Started by joekajoeka, 04-20-2024, 12:37 PM
4 responses
157 views
0 likes
 Last Post momaka
by momaka
05-06-2024, 12:45 PM  
Ps5 adp-400fr by TIXOU14
Started by TIXOU14, 05-04-2024, 10:08 AM
1 response
171 views
0 likes
 Last Post PeteS in CA
by PeteS in CA
05-06-2024, 11:45 AM  
klipsch kda-500 amplifier suitable power supply capacitor replacement ? by r2digital
Started by r2digital, 04-18-2024, 03:50 PM
22 responses
512 views
0 likes
 Last Post CapLeaker
by CapLeaker
05-02-2024, 07:31 PM  
Can i plug pc on this apartment with older fuse box? by sew333
Started by sew333, 03-29-2024, 05:37 PM
46 responses
528 views
0 likes
 Last Post momaka
by momaka
05-02-2024, 05:07 AM  
14V adapter for 19V monitor by paparazzo79
Started by paparazzo79, 04-24-2024, 11:04 AM
3 responses
185 views
0 likes
 Last Post momaka
by momaka
05-01-2024, 07:54 AM  
Corsair HX620W - dead APFC MOSFET by amartolos
Started by amartolos, 12-21-2011, 03:07 PM
21 responses
6,228 views
0 likes
 Last Post Loulou31
by Loulou31
05-01-2024, 04:16 AM  
ACBel API1PC36 Support needed by kaydee
Started by kaydee, 04-29-2024, 10:34 AM
0 responses
39 views
0 likes
 Last Post kaydee
by kaydee
04-29-2024, 10:34 AM  
ACBel API1PC36 Capacitors Soldering Points by kaydee
Started by kaydee, 04-29-2024, 10:20 AM
0 responses
44 views
0 likes
 Last Post kaydee
by kaydee
04-29-2024, 10:20 AM  
cisco poe switch PSU issue by madan1
Started by madan1, 04-23-2024, 01:58 PM
5 responses
113 views
0 likes
 Last Post harp
by harp
04-26-2024, 08:45 AM  
TDK ZWS150BAF-12 by Keshenatech1
Started by Keshenatech1, 04-18-2024, 08:58 AM
8 responses
93 views
0 likes
 Last Post momaka
by momaka
04-23-2024, 02:09 PM  
Sony J30 PSU repair by dadi
Started by dadi, 04-19-2024, 11:45 AM
1 response
68 views
0 likes
 Last Post kasfamily
by kasfamily
04-23-2024, 10:01 AM  
Chinese fake Samsung phone power supply by DanPoka
Started by DanPoka, 04-23-2024, 12:56 AM
2 responses
95 views
0 likes
 Last Post DanPoka
by DanPoka
04-23-2024, 02:34 AM  
Help identifying this part in AP-396AM Sony tv psu by jord4231
Started by jord4231, 04-20-2024, 04:20 AM
3 responses
111 views
0 likes
 Last Post jord4231
by jord4231
04-21-2024, 08:28 PM  
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