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Search: Posts Made By: CapLeaker
Forum: Troubleshooting Game Consoles & Other Weird Devices Yesterday, 02:51 PM
Replies: 35
Views: 7,930
Posted By CapLeaker
Re: Aerogarden Ultra LED blinking or strobing grow lights repair

I get mine at Digi-Key, Mouser, Element14 etc.
Forum: Troubleshooting Computer Displays Yesterday, 12:22 PM
Replies: 6
Views: 142
Posted By CapLeaker
Re: Eizo S2000 suddenly died

Hmm… go with the oscilloscope on to the lvds, give it an input on the monitor cable (something that changes like slideshow) and look what happens on these data pairs
Forum: Troubleshooting Computer Displays 05-17-2022, 05:40 PM
Replies: 6
Views: 142
Posted By CapLeaker
Re: Eizo S2000 suddenly died

Just for shits and giggles, did you check those crystals? If one of them isn’t working, the monitor won’t work either. Look at the data lines see if there is something going? Maybe bake the board and...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-17-2022, 03:25 AM
Replies: 3
Views: 79
Posted By CapLeaker
Forum: Troubleshooting Power Supplies and Power Supply Design 05-17-2022, 03:22 AM
Replies: 5
Views: 116
Posted By CapLeaker
Re: A Shorted wirewound resistor?

Before you go too crazy with this, you also have to understand the tolerances on the resistor and the tolerances on your new DMM.
Forum: Troubleshooting Computer Displays 05-17-2022, 03:16 AM
Replies: 6
Views: 142
Posted By CapLeaker
Re: Eizo S2000 suddenly died

Did you try touching the tab bonds to see if that makes a difference? Anyone clean the monitor lately?
Forum: General Electronics Technical Discussion 05-17-2022, 03:10 AM
Replies: 5
Views: 103
Posted By CapLeaker
Re: Log periodic antenna to Coaxial cable... balun right?

The most typical is 300 Ohm for those TV antennas, unless there is a tuning stub or something. If there isn’t any matching mechanism, it plain 300 Ohm. Now if you use twin lead 300 ohm cable, it has...
Forum: General Electronics Technical Discussion 05-16-2022, 05:03 PM
Replies: 5
Views: 103
Posted By CapLeaker
Re: Log periodic antenna to Coaxial cable... balun right?

Not all log periodics are 300 Ohms. Kind of really need to know what it is. Let’s say it has a 300 Ohm feed point. You could use 300 twin lead and run it inside under the roof, then use that 4:1...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-15-2022, 06:46 PM
Replies: 5
Views: 116
Posted By CapLeaker
Re: A Shorted wirewound resistor?

that's fine... you need a real good calibrated DMM and test leads to be that exact.
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-15-2022, 06:22 PM
Replies: 7
Views: 148
Posted By CapLeaker
Re: Repair Synology DS118 - fsbl fail - RAM already changed

Look at the data lines on the flash chip? If they are o.k. then the only option you have left is to program a known working file on there. Sure... check the voltage rails for AC on the caps.
Forum: Troubleshooting Audio Equipment 05-15-2022, 08:25 AM
Replies: 5
Views: 950
Posted By CapLeaker
Re: Luxman R-117 intermittent power up and receptacles + PA stuck on repair

I didn't replace that 22 ohm resistor. I must have just put a relay with a 24VDC coil in. It will work fine at 17V.
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-15-2022, 08:00 AM
Replies: 4
Views: 71
Posted By CapLeaker
Re: Uniden Bearcat BC 760XLT scanner no audio repair

Yes, I did. It's just a small bulb. If it would be mine, I'd convert it over to LED. There are some diffused, milky square (cube style) LED's that I use for something like this. They diffuse really...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-15-2022, 07:46 AM
Replies: 22
Views: 1,953
Posted By CapLeaker
Re: Dell 2700w j728n 3kVa UPS not starting

Did the batteries looked that cruddy 2 years ago? Just sayin... lots a green... That can't be making good connection.
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-15-2022, 05:32 AM
Replies: 7
Views: 148
Posted By CapLeaker
Re: Repair Synology DS118 - fsbl fail - RAM already changed

first look if the flash itself is getting bad... copy the content of the flash then FF it.
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-15-2022, 04:53 AM
Replies: 4
Views: 71
Posted By CapLeaker
Re: Uniden Bearcat BC 760XLT scanner no audio repair

I agree eccerr0r. Was a perfect Saturday evening repair after a hard week at work. Not complicated, straight forward and schematics to boot. It’s nice to catch a break like that once in a while....
Forum: Troubleshooting Audio Equipment 05-14-2022, 07:31 PM
Replies: 5
Views: 950
Posted By CapLeaker
Re: Luxman R-117 intermittent power up and receptacles + PA stuck on repair

Forgot to mention, you can over volt the relay coil up to 130%. No more. I other words you could put 15.6v to a 12v coil.

Looking at the schematic, it is the amp with the 14v relay coil that gets...
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-14-2022, 06:57 PM
Replies: 4
Views: 71
Posted By CapLeaker
Uniden Bearcat BC 760XLT scanner no audio repair

Got today two Uniden BC 760XLT vintage scanners in for repair.
Complaint: extremely weak / no audio.

IC5 TDA1905 is the audio IC. Replace 4 electrolytic capacitors that are in a row next to the...
Forum: Troubleshooting Audio Equipment 05-14-2022, 06:02 PM
Replies: 5
Views: 950
Posted By CapLeaker
Re: Luxman R-117 intermittent power up and receptacles + PA stuck on repair

I can’t remember if that is the one that had like 17V on a 14V relay coil or not. Measure the voltage on the relay coil. If it is 17V, put a 24v relay in.
Forum: Troubleshooting Power Supplies and Power Supply Design 05-14-2022, 04:44 PM
Replies: 22
Views: 1,953
Posted By CapLeaker
Re: Dell 2700w j728n 3kVa UPS not starting

Nope, because the batteries aren’t all in parallel. I am thinking it runs at 48V not on 12V.
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-14-2022, 04:16 PM
Replies: 28
Views: 1,695
Posted By CapLeaker
Re: Agilent U1253B OLED display failed

Cording to atomicfrenzy his drop in replacement display consume less power than the Chinese replacements. I didn’t have enough time yet to verify this.

Orange display… would fit perfect on this...
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-14-2022, 10:12 AM
Replies: 28
Views: 1,695
Posted By CapLeaker
Re: Agilent U1253B OLED display failed

I caught a lucky break today and got home early and had to try that new display out. I've got this display drop in replacement from "atomicfrenzy" on EBay for the Agilent U1253A and the early model...
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-14-2022, 05:16 AM
Replies: 28
Views: 1,695
Posted By CapLeaker
Re: Agilent U1253B OLED display failed

Fast forward a few months: The display I've ordered from that EBay seller worked fine as kind on my meter, but I couldn't mount it correctly. After a bit of chatting back and forth, I decided to send...
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-10-2022, 08:28 PM
Replies: 10
Views: 362
Posted By CapLeaker
Re: Glueing Two Sided Flex Ribbon,Jaguar XJS Instrument cluster.

We’ve got something called shoe goo. It sticks like mad, but stays flexible.
Forum: Troubleshooting Power Supplies and Power Supply Design 05-08-2022, 06:51 PM
Replies: 12
Views: 333
Posted By CapLeaker
Re: Power Man ip-p300bn7-2 blown (fixed)

Funny you mentioned it and you may be on to something... I just went on Mouser to see about a replacement cap data sheet on a Rubycon VXH series 450V 220uF (22mm X 40mm). It's rated for 120Hz.
...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-08-2022, 11:04 AM
Replies: 5
Views: 131
Posted By CapLeaker
Re: Seasonic dead after wrong SATA power cable

See if PSon voltage is present between the green wire and a black wire. Measure it with your DMM, you should have something like 2.5V there.
Showing results 1 to 25 of 500

 
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