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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
580,071 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
1,331,358 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
11,992 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
7,348 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
124,655 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
68,829 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
220,576 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
433,788 views
0 likes
 Last Post jvyt
by jvyt
06-25-2009, 01:40 AM  
Ps5 adp-400fr by TIXOU14
Started by TIXOU14, 05-04-2024, 10:08 AM
1 response
174 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
528 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
529 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
190 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
6,276 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
40 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
96 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  
Luxman R-5045 - Voltage too high accordingly to schematic by mikkele86
Started by mikkele86, 04-20-2024, 07:18 AM
1 response
87 views
0 likes
 Last Post eccerr0r
by eccerr0r
04-20-2024, 08:27 AM  
T3D 21 - zener diode? by jm1234
Started by jm1234, 04-14-2024, 12:42 PM
4 responses
426 views
0 likes
 Last Post CapLeaker
by CapLeaker
04-18-2024, 02:31 PM  
ANTMINER S9 power circuit by ugjay
Started by ugjay, 12-31-2017, 07:49 AM
9 responses
3,956 views
0 likes
 Last Post ZoneMind6006
by ZoneMind6006
04-16-2024, 10:44 PM  
LC6685 based LED drivers by pavithra
Started by pavithra, 04-16-2024, 02:46 AM
1 response
68 views
0 likes
 Last Post stj
by stj
04-16-2024, 04:01 AM  
Niky 1000 UPS making strange sparking noises (video) by GraphicMan
Started by GraphicMan, 02-27-2024, 08:09 PM
24 responses
303 views
0 likes
 Last Post GraphicMan
by GraphicMan
04-14-2024, 10:12 AM  
Increase voltage on Toshiba PSU pa3717e-1ac3 by MegaZAC
Started by MegaZAC, 04-12-2024, 04:13 AM
7 responses
124 views
0 likes
 Last Post stj
by stj
04-13-2024, 10:04 AM  
HP Z600 PSU Delta DPS-725AB Dead by arrgh
Started by arrgh, 04-02-2021, 07:35 AM
15 responses
8,112 views
0 likes
 Last Post viet anh nguyen
by viet anh nguyen
04-09-2024, 06:02 AM  
Gold 16ES led driver for use as a HV DC power supply by speter
Started by speter, 04-07-2024, 01:29 PM
5 responses
143 views
0 likes
 Last Post speter
by speter
04-08-2024, 09:38 PM  
SMPS400A400 power supply by Jason616
Started by Jason616, 04-06-2024, 08:25 AM
0 responses
62 views
0 likes
 Last Post Jason616
by Jason616
04-06-2024, 08:25 AM  
Shure AC Adapter PS60E by ant3202
Started by ant3202, 01-13-2024, 12:51 AM
6 responses
211 views
0 likes
 Last Post ant3202
by ant3202
04-01-2024, 06:48 PM  
Suspect Bad PS Apple AcBel API 1PC36 by buz
Started by buz, 04-05-2011, 03:33 PM
157 responses
49,768 views
0 likes
 Last Post PeteS in CA
by PeteS in CA
03-31-2024, 09:00 AM  
Apple A1407 Power Supply PA-3251-3A2 noise by charikabdelali
Started by charikabdelali, 03-29-2024, 09:23 PM
0 responses
81 views
0 likes
 Last Post charikabdelali
by charikabdelali
03-29-2024, 09:23 PM  
Trying to repair a MPI5.5kW solar inverter by Francesc V.
Started by Francesc V., 03-07-2023, 06:17 AM
7 responses
3,155 views
0 likes
 Last Post Jacupp
by Jacupp
03-28-2024, 05:46 PM  
Control board for treadmill Horizon Omega II by bryanX
Started by bryanX, 03-05-2024, 01:11 PM
4 responses
130 views
0 likes
 Last Post bryanX
by bryanX
03-28-2024, 04:23 AM  
Mecer lobo 1200 /VR-1200BKS Not switching on by Grunder
Started by Grunder, 03-21-2024, 08:59 AM
4 responses
142 views
0 likes
 Last Post Grunder
by Grunder
03-25-2024, 02:03 AM  
Troubleshooting Old Chiefmax 650Watt ATX Switching Power Supply by Zippie
Started by Zippie, 03-07-2024, 07:58 PM
16 responses
368 views
0 likes
 Last Post Zippie
by Zippie
03-23-2024, 09:24 AM  
Can you suggest me how to variable output this 42v fixed by marce002
Started by marce002, 03-05-2024, 12:05 PM
9 responses
155 views
0 likes
 Last Post momaka
by momaka
03-20-2024, 07:03 PM  
IR21531S odd behaviour by jjne
Started by jjne, 03-19-2024, 07:16 AM
2 responses
119 views
0 likes
 Last Post jjne
by jjne
03-20-2024, 06:11 PM  
power board manual philips 55pus6482/12 715g-p01-000-0h2s by spantor
Started by spantor, 03-19-2024, 01:19 PM
0 responses
156 views
0 likes
 Last Post spantor
by spantor
03-19-2024, 01:19 PM  
Power supply Termaltake Smart Se 630w any voltage in output by labello
Started by labello, 09-09-2023, 12:06 PM
27 responses
1,904 views
0 likes
 Last Post labello
by labello
03-19-2024, 04:10 AM  
Emerson PSU schematic by Mustafa85
Started by Mustafa85, 03-16-2024, 06:46 AM
1 response
97 views
0 likes
 Last Post Mustafa85
by Mustafa85
03-16-2024, 06:50 AM  
Noco boost charger not recharging by learnmore
Started by learnmore, 05-19-2023, 07:10 PM
4 responses
8,298 views
0 likes
 Last Post learnmore
by learnmore
03-12-2024, 03:03 AM  
AGT-1783B SMPS by Donny2derby
Started by Donny2derby, 03-07-2024, 06:05 PM
7 responses
102 views
0 likes
 Last Post Donny2derby
by Donny2derby
03-08-2024, 10:30 AM  
PSU Corsair AX1000 by the Benninger
Started by the Benninger, 02-29-2024, 02:27 PM
5 responses
126 views
0 likes
 Last Post stj
by stj
03-06-2024, 03:48 AM  
pins for turn on fsp123-3f01 power board by spantor
Started by spantor, 03-02-2024, 10:11 AM
29 responses
301 views
0 likes
 Last Post kasfamily
by kasfamily
03-05-2024, 02:56 PM  
corsair cx430 sudden power loss by benareeno
Started by benareeno, 03-02-2024, 04:29 AM
7 responses
174 views
0 likes
 Last Post benareeno
by benareeno
03-03-2024, 11:52 PM  
ATX PSU Cooler Master RS-700-pcaa-e3 shutting off after 5 seconds by dariolana
Started by dariolana, 02-26-2024, 07:47 PM
6 responses
299 views
0 likes
 Last Post dariolana
by dariolana
03-01-2024, 10:33 AM  
TDK VYK3637 SMPS Power Supply by Carm99
Started by Carm99, 04-30-2022, 02:14 AM
14 responses
1,463 views
0 likes
 Last Post Carm99
by Carm99
03-01-2024, 09:24 AM  
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