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Search: Posts Made By: llonen
Forum: Troubleshooting Game Consoles & Other Weird Devices 04-20-2020, 03:33 AM
Replies: 9
Views: 363
Posted By llonen
Re: Yaesu VR5000

Now when you say spray some RF in, are you on about using something like an RF probe but in reverse
Forum: Equipment Usage, Soldering, Techniques, and Reviews 04-19-2020, 07:32 AM
Replies: 4
Views: 233
Posted By llonen
Re: Vintage Pace desolder station PPS-100 pump motor bad

I was looking for a replacement pump for the MBT 250, well more specifically the diaphragm overhaul kit, then unable to source that my thoughts turned to a replacement pump / motor assy and found...
Forum: Troubleshooting Game Consoles & Other Weird Devices 04-19-2020, 07:25 AM
Replies: 9
Views: 363
Posted By llonen
Re: Yaesu VR5000

To date the same thing happens with the main and sub vfo, nothing shows on the S meter.
Forum: Troubleshooting Game Consoles & Other Weird Devices 04-09-2020, 01:39 PM
Replies: 9
Views: 363
Posted By llonen
Re: Yaesu VR5000

Nods, I checked both antenna inputs there is no difference between them. Thanks for the pdf, looks like there are some voltages on there to check and additionally I was able to find an alignment...
Forum: Troubleshooting Game Consoles & Other Weird Devices 04-08-2020, 08:42 PM
Replies: 9
Views: 363
Posted By llonen
Re: Yaesu VR5000

Sorry my mistake, when I mean completely deaf there is simply no received rf signal, maybe the PLL is unlocked but there is plenty of static coming the speaker just no received modulated signal...
Forum: Troubleshooting Game Consoles & Other Weird Devices 04-08-2020, 01:36 PM
Replies: 9
Views: 363
Posted By llonen
Yaesu VR5000

I have had this radio in the workshop for some time now and am getting no-where with it. Customer reported complete loss of receive, when asked it was working one day and the next no receive. I was...
Forum: Troubleshooting TVs and Video Sources 03-11-2020, 11:58 AM
Replies: 5
Views: 290
Posted By llonen
Re: How to safely handle a 75inch LCD panel ?

I don't have enough contiguous space in the lab to take in something that size for repair, if space was not an issue I would probably construct a flip / roll over jig.
Forum: General Computer & Tech Discussion 02-23-2020, 10:27 PM
Replies: 4,457
Views: 685,423
Posted By llonen
Re: best cheap/free scores 1.1

Recently picked up from an indoor car boot sale a BBC master 128k computer system, with monitor, disk drives and some software. Will be re-capped to ensure longevity but is otherwise in full working...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 02-23-2020, 10:18 PM
Replies: 13
Views: 888
Posted By llonen
Re: Anyone build their own equipment? Plans for small benchtop power supply.

I used to build some of my own test equipment, mostly small bench PSU(s) the odd esr / capacitor tester, rf sniffers, noise sources and probes but to be honest I predominantly look at his...
Forum: Troubleshooting Game Consoles & Other Weird Devices 02-20-2020, 12:52 AM
Replies: 2
Views: 388
Posted By llonen
Re: Repairing cables - ferrite bead and strain relievers

Depends upon the strain relief, some of those are moulded to the cable itself, others are fed through and secured inside the unit. If its something that is likely to get some abuse then when I have...
Forum: General Computer & Tech Discussion 02-13-2020, 03:05 AM
Replies: 0
Views: 237
Posted By llonen
Apple security flaw ?

So I have tried this with several apple devices running different ios's and found I was able to change the Icloud / Appstore password without knowing the existing password. Has anyone else found...
Forum: General Electronics Technical Discussion 02-06-2020, 05:33 AM
Replies: 1
Views: 255
Posted By llonen
Re: Solder fume extractor carbon filter

If this is a foam based filter pack then I don't see why not, a quick search finds plenty of online guides for just such an endeavour. These usually involve fairly hot water, detergent with plenty of...
Forum: Troubleshooting Power Supplies and Power Supply Design 01-14-2020, 03:09 PM
Replies: 5
Views: 480
Posted By llonen
Re: Corsair 750W SemiMOD

I have had nothing but bad experiences with Corsair, and wont have anything to do with them after going through 4 of the things in 6 years. I find they have a habit of exploding so extra band for...
Forum: Troubleshooting TVs and Video Sources 01-14-2020, 02:58 PM
Replies: 6
Views: 187
Posted By llonen
Re: Best practice for soldering a Flyback Transformer

Some of those pins along with land areas of the pcb will have high a thermal mass, aim for the lowest temperature for soldering if the copper lands are damaged. As a side note you need to ensure your...
Forum: General Computer & Tech Discussion 01-11-2020, 09:31 AM
Replies: 5
Views: 361
Posted By llonen
Re: Obscure power supply replacement suggestions

You probably just need a decent solder extraction system for working on these boards, I mean not sure what soldering system you are using but through hole plated double sided boards can have quite a...
Forum: General Computer & Tech Discussion 01-11-2020, 09:18 AM
Replies: 6
Views: 323
Posted By llonen
Re: Windows 7 Printer?

I ditched Ink jet long ago for several reasons, one I find for the printers I have now the cartridges don't seem to expire and given the quantity of printing I do the carts may outlive the printers....
Forum: Equipment Usage, Soldering, Techniques, and Reviews 01-09-2020, 03:57 AM
Replies: 4
Views: 574
Posted By llonen
Re: PCI-e & AGP Graphics card tester

Unless you have a reference board to compare your graphics cards to, without something to drive the PCI lanes unless I am missing something here I don't see how this is supposed to work. It might be...
Forum: General Electronics Technical Discussion 01-05-2020, 03:07 AM
Replies: 8
Views: 371
Posted By llonen
Re: Yaesu VR5000

Actually on that point, the service manual I have for the VR-5000 is somewhat less complete that I would have liked for. Specifically in that it contains only the circuit diagrams, block diagrams and...
Forum: General Electronics Technical Discussion 01-04-2020, 07:54 PM
Replies: 8
Views: 371
Posted By llonen
Re: Yaesu VR5000

I have good volume with more than enough white noise coming through so don't need to do anything with the centre control as of yet. Everything more or less works on the set other than one rather...
Forum: General Electronics Technical Discussion 01-04-2020, 09:12 AM
Replies: 8
Views: 371
Posted By llonen
Re: Yaesu VR5000

Well the customer is happy to pay for replacement rotary encoders so now all that remains to do is establish why the radio effectively has no receive across all five frequency ranges. Although the...
Forum: General Electronics Technical Discussion 01-04-2020, 05:25 AM
Replies: 8
Views: 371
Posted By llonen
Re: Yaesu VR5000

The centre shafts have both been broken off
Forum: General Electronics Technical Discussion 01-04-2020, 12:48 AM
Replies: 8
Views: 371
Posted By llonen
Re: Yaesu VR5000

Yeah I think the customer is going to feel differently about $60 to $80 dollars just for a pair of encoders that is before I even get started on the repairs to the radio itself and the obvious fees...
Forum: General Electronics Technical Discussion 01-03-2020, 05:58 PM
Replies: 8
Views: 371
Posted By llonen
Yaesu VR5000

So I have one of these come in for repair, deaf across all bands I have the service manual for this and will get to that in due course. The radio has had a hard life before coming into possession of...
Forum: Troubleshooting Game Consoles & Other Weird Devices 12-31-2019, 10:21 AM
Replies: 28
Views: 1,077
Posted By llonen
Re: Telequipment D34 oscilloscope

Well I am sure you are all holding your breath for what its good for,

Well on a fluke 6060B, at maxed out at 1.9volt RF (which is about all this thing produces)

Very good upto 100mhz

Good...
Forum: Troubleshooting Game Consoles & Other Weird Devices 12-31-2019, 08:34 AM
Replies: 28
Views: 1,077
Posted By llonen
Re: Telequipment D34 oscilloscope

MMmm given the low power requirement of the scope it might be easier to cramp a lipo pack in there along with a 240v inverter depending upon how much space there is in the back. From the review quite...
Showing results 1 to 25 of 408

 
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