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Search: Posts Made By: Hemingray
Forum: Other Devices with Bad Capacitors 04-11-2019, 09:46 PM
Replies: 1
Views: 152
Posted By Hemingray
Re: Bose AWR1-1W (1995) (No Photos)

Update on this: Finally got the tester I ordered awhile back (one of those TC-1 multitesters), and tossed the suspect 470uF cap on it. Measured 127uF with 50 ohms ESR.
Forum: Other Devices with Bad Capacitors 03-22-2019, 01:22 PM
Replies: 1
Views: 152
Posted By Hemingray
Bose AWR1-1W (1995) (No Photos)

Sorry for lack of photos, this was done around 10PM last night, but thought I'd share this with everyone as a bit of help on older tech.

Got a message from someone on our local "Pay It Forward"...
Forum: Troubleshooting Power Supplies and Power Supply Design 02-08-2019, 08:10 PM
Replies: 1,560
Views: 317,967
Posted By Hemingray
Re: the gutless, bloated, and fried power supply hall of shame

Almost looks like the same SWCON craps in there too.
Forum: Troubleshooting Power Supplies and Power Supply Design 02-07-2019, 03:53 PM
Replies: 1,560
Views: 317,967
Posted By Hemingray
Re: the gutless, bloated, and fried power supply hall of shame

Looked like a Linkworld, but good to know Hercules liked overrating their +12V rails by a crapload too. The fan in this thing isn't even worth squat.
Forum: Troubleshooting Power Supplies and Power Supply Design 02-05-2019, 09:00 PM
Replies: 1,560
Views: 317,967
Posted By Hemingray
Re: the gutless, bloated, and fried power supply hall of shame

Build quality and parts used were the same as the 300W LW tested on JonnyGuru at one point, all the way down to the FR302 12V regulator and the 40NO3P 3.3V reg.
Forum: Troubleshooting Power Supplies and Power Supply Design 02-05-2019, 08:59 PM
Replies: 1,560
Views: 317,967
Posted By Hemingray
Re: the gutless, bloated, and fried power supply hall of shame

All caps in this thing are branded "SWCON". Don't see any other brands in here
Forum: Troubleshooting Power Supplies and Power Supply Design 02-05-2019, 03:19 PM
Replies: 1,560
Views: 317,967
Posted By Hemingray
Re: the gutless, bloated, and fried power supply hall of shame

Here's my submission to the gutless hall of shame. A Duro "400W" ATX PSU, pulled from a curb picked XP PC. I'm going to hazard a guess this is just a crappy Linkworld PSU (Like the "300W" one on...
Forum: General Capacitor Questions & Issues 10-15-2015, 06:24 PM
Replies: 3
Views: 1,021
Posted By Hemingray
KELNA caps?

Are these supposed to be a knockoff of ELNA? Pulled 6 from a Sylvania 8 channel CCTV monitor that I picked up off the curb. The brown cap in the pic is a SamYoung KMG. The two Kelna caps on the right...
Forum: Other Devices with Bad Capacitors 08-16-2015, 02:18 PM
Replies: 8
Views: 6,614
Posted By Hemingray
Re: Netgear Prosafe GS116 16 port switch - bad cap.

Have this same switch, Although with one popped cap it would only work somewhat correct on random ports. Changing said cap restored normal operation. Still using it to this day.
Forum: Troubleshooting Computer Displays 04-21-2015, 04:14 AM
Replies: 8
Views: 1,152
Posted By Hemingray
Re: Acer AL1711: Two dead caps and a VERY fried resistor!

R1 which (was at one point) a 10 ohm resistor.
Forum: Troubleshooting Computer Displays 04-20-2015, 06:53 PM
Replies: 8
Views: 1,152
Posted By Hemingray
Re: Acer AL1711: Two dead caps and a VERY fried resistor!

Will do that. So far just replaced the two busted caps and the toasted resistor, and it does work again.
Forum: Troubleshooting Computer Displays 04-19-2015, 05:07 PM
Replies: 8
Views: 1,152
Posted By Hemingray
Re: Acer AL1711: Two dead caps and a VERY fried resistor!

Green fuse tests out alright.

Haven't removed it from circuit yet, but in-circuit I am getting 8.2k. Page you linked lists that as a 10 ohm resistor, so safe to say it's open since I'm getting...
Forum: Troubleshooting Computer Displays 04-19-2015, 02:05 PM
Replies: 8
Views: 1,152
Posted By Hemingray
Acer AL1711: Two dead caps and a VERY fried resistor!

Got this one from work, No backlight at all. Aside from two bloaded 220uf/25V OST caps, there's also this very well done (probably past overdone) R1. Anyone that worked on one of these monitors know...
Forum: Other Devices with Bad Capacitors 08-24-2014, 02:43 PM
Replies: 16
Views: 3,276
Posted By Hemingray
Re: AX3650 no display

Make sure you didn't solder it in backwards.
Forum: Other Devices with Bad Capacitors 05-25-2014, 06:39 PM
Replies: 6
Views: 2,472
Posted By Hemingray
Re: Apple API1PC12 power supply shuts down randomly

Glad to see the problem was resolved!
Forum: Other Devices with Bad Capacitors 05-07-2014, 02:35 PM
Replies: 6
Views: 2,472
Posted By Hemingray
Re: Apple API1PC12 power supply shuts down randomly

Make sure the fan on the PSU is spinning when power is on. If it's not, this will be the main issue. Power supplies don't exactly like large amounts of heat too much
Forum: Troubleshooting & Designing Networks 07-29-2013, 06:09 PM
Replies: 9
Views: 2,935
Posted By Hemingray
Re: Inside an old Netgear Wi-Fi router

I'd have to dig it out after I move, it's currently packed up.
Forum: Troubleshooting & Designing Networks 07-28-2013, 06:36 AM
Replies: 9
Views: 2,935
Posted By Hemingray
Re: Inside an old Netgear Wi-Fi router

Someplace here I have an old Dell Truemobile router that's like that. Even has a serial port on it for hooking up an external modem?
Forum: Other Devices with Bad Capacitors 05-28-2013, 07:03 PM
Replies: 5
Views: 5,264
Posted By Hemingray
Re: ASUS VW246H backlight cuts out in 1-2 seconds

I would check the caps. I have a 15" Hansol that did this exact same thing, and none of the caps were bloated, however I found a 470uF cap near the backlight inverter had failed (lost most all of...
Forum: Troubleshooting & Designing Networks 05-28-2013, 06:22 AM
Replies: 3
Views: 2,506
Posted By Hemingray
Re: Netgear WNDR3700 - Isolate one LAB port

Pretty much the way I do it. My guest network consist of a WRT54G running DD-WRT, no rate limit, but ALL P2P connectivity is blocked. (no torrenting), and DNS-based ad/tracker blocking.
Forum: Troubleshooting Computer Displays 05-01-2013, 06:43 PM
Replies: 7
Views: 1,230
Posted By Hemingray
Re: Viewsonic VG700b odd caps

I will. After I drag em across my massive 24V transformer for a little fun ;)
Forum: Troubleshooting Computer Displays 05-01-2013, 05:39 PM
Replies: 7
Views: 1,230
Posted By Hemingray
Re: Viewsonic VG700b odd caps

Out of boredom, I drug the three bad caps across my tester. The bloated 330uF teapo actually tested better than the two "NKCON" 56uF caps. Neither of the NKCONs even managed to reach 1uF on the meter...
Forum: Troubleshooting Computer Displays 05-01-2013, 03:08 PM
Replies: 7
Views: 1,230
Posted By Hemingray
Re: Viewsonic VG700b odd caps

Yeah. Exactly that. I had two 47uF Nichis handy, so I tried those, and surprisingly, it works! Also replaced a bloated 330uF/16V Teapo near the BL connector on the main logic board. Think it'd be ok...
Forum: Troubleshooting Computer Displays 05-01-2013, 01:51 PM
Replies: 7
Views: 1,230
Posted By Hemingray
Viewsonic VG700b odd caps

Have this from my dentist's office, exhibits the 2sec to black symptom. Inverter board has two "N?Con" caps. What's odd here is these caps are 56uF/25v (one is bulged). What can I get to replace...
Forum: Other Devices with Bad Capacitors 04-04-2013, 06:07 AM
Replies: 5
Views: 1,853
Posted By Hemingray
Re: 102m ceramic cap

That looks like an X/Y cap.
Showing results 1 to 25 of 97

 
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