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Search: Posts Made By: pintglass
Forum: Troubleshooting Power Supplies and Power Supply Design 02-16-2020, 03:35 AM
Replies: 13
Views: 227
Posted By pintglass
Re: Amazon Basics Laminator design

Yes that's the plan, I was looking at changing the thermal cutout's for a higher Temp.
Forum: Troubleshooting Power Supplies and Power Supply Design 02-16-2020, 02:09 AM
Replies: 13
Views: 227
Posted By pintglass
Re: Amazon Basics Laminator design

The unit doesn't heat in the off position it only starts heating when the rocker switch is placed in the low temp or high temp position as the heater is switched on the neutral side at the same time...
Forum: Troubleshooting Power Supplies and Power Supply Design 02-15-2020, 02:55 PM
Replies: 13
Views: 227
Posted By pintglass
Re: Amazon Basics Laminator design

Yes the DPDT switch is centre off.

I still don't get how the heater could be preheating until I've switched to either side as the heater is switched on the neutral side. Sorry I may be just being...
Forum: Troubleshooting Power Supplies and Power Supply Design 02-15-2020, 02:26 PM
Replies: 13
Views: 227
Posted By pintglass
Amazon Basics Laminator design

Hi
I've just purchased an Amazon Basics laminator, to use for PCB toner transfers but thats not the reason for my post.

I opened up the unit to see what was going on inside to find that it...
Forum: General Electronics Technical Discussion 02-10-2020, 07:35 AM
Replies: 10
Views: 481
Posted By pintglass
Re: Rework station pcb design

Thanks for the idea, but I don’t see how you would be able to control the rate of rise of temperature with this setup

I’m still doing more reading than anything at the moment and just making a...
Forum: General Electronics Technical Discussion 02-03-2020, 05:14 PM
Replies: 10
Views: 481
Posted By pintglass
Re: Rework station pcb design

Well I've been reading as much info on this as I can, but being honest alot of it goes over my head.
Anyway I was just going to order a few parts to have a mess around with but I'm unsure on the...
Forum: General Electronics Technical Discussion 01-27-2020, 12:58 AM
Replies: 10
Views: 481
Posted By pintglass
Re: Rework station pcb design

Thanks for all the info.

According to the guys hackaday page he has tested it but I don't know to what extent.

https://hackaday.io/project/10541-diy-infrared-rework-station

I would like to...
Forum: General Electronics Technical Discussion 01-24-2020, 12:45 AM
Replies: 10
Views: 481
Posted By pintglass
Re: Rework station pcb design

I've wanted to build one for ages's but never found the time, I mess around repairing game consoles and mobile phones so it would mainly be for that.

This is just a hobby for myself so an other...
Forum: General Electronics Technical Discussion 01-23-2020, 03:52 PM
Replies: 10
Views: 481
Posted By pintglass
Rework station pcb design

Hi

I'm in the early stages of trying to build myself a rework station so I would like to keep things as simple as possible and also within reason cost wise.

Whilst doing some research on what...
Forum: Troubleshooting Power Supplies and Power Supply Design 12-20-2019, 08:43 AM
Replies: 18
Views: 439
Posted By pintglass
Re: Power supply & air switch on sewing machine

All fixed now so thanks for all the help again.

Did you say that the schematic that I linked to is wrong, did you think the triac was in the wrong place, I may try to redraw this during the...
Forum: Troubleshooting Power Supplies and Power Supply Design 12-18-2019, 04:11 PM
Replies: 18
Views: 439
Posted By pintglass
Re: Power supply & air switch on sewing machine

I've cleaned the board now, the image was taken before, 1n4148 is whats printed on it, its a yellow colour. I can take a new photo if you like.
Forum: Troubleshooting Power Supplies and Power Supply Design 12-18-2019, 02:50 PM
Replies: 18
Views: 439
Posted By pintglass
Re: Power supply & air switch on sewing machine

Is the diode that i have highlighted in the image the one your asking about, if so its a 1N4148.
Forum: Troubleshooting Power Supplies and Power Supply Design 12-18-2019, 12:53 AM
Replies: 18
Views: 439
Posted By pintglass
Re: Power supply & air switch on sewing machine

Will these be ok

https://uk.farnell.com/kemet/r463i24705001k/cap-0-047-f-10-pp-radial/dp/2446240

https://uk.farnell.com/neohm-te-connectivity/rox2sj1k0/res-1k-5-2w-axial-metal-oxide/dp/1738638
Forum: Troubleshooting Power Supplies and Power Supply Design 12-17-2019, 03:41 PM
Replies: 18
Views: 439
Posted By pintglass
Re: Power supply & air switch on sewing machine

Could i use a 2w resistor as the 3w resistors are quite long, I only have 15mm between the pads.
Forum: Troubleshooting Power Supplies and Power Supply Design 12-17-2019, 12:45 PM
Replies: 18
Views: 439
Posted By pintglass
Re: Power supply & air switch on sewing machine

Could you tell me what caps to get as replacements?
Forum: Troubleshooting Power Supplies and Power Supply Design 12-17-2019, 01:54 AM
Replies: 18
Views: 439
Posted By pintglass
Re: Power supply & air switch on sewing machine

This image was a bit further down his web site.
Forum: Troubleshooting Power Supplies and Power Supply Design 12-17-2019, 12:46 AM
Replies: 18
Views: 439
Posted By pintglass
Re: Power supply & air switch on sewing machine

Thanks for all the info

There's a trace layout on the website that i linked to, if your not happy with using that for a reference I can remove the pcb and take photo's.

I will take a look at...
Forum: Troubleshooting Power Supplies and Power Supply Design 12-16-2019, 04:14 PM
Replies: 18
Views: 439
Posted By pintglass
Power supply & air switch on sewing machine

Hi

I'm trying to repair my mothers 30+ years old sewing machine which she's got quite used to over the years.

At the moment I've only done some basic tests as i think there could be numerous...
Forum: General Capacitor Questions & Issues 12-08-2019, 03:18 PM
Replies: 3
Views: 269
Posted By pintglass
Re: Mitre Saw start capacitor

I've just done a test by taking the armature out and connecting the brush terminals together and i get continuity, does this mean the brushes are not making contact.

I'm not sure if this is a...
Forum: General Capacitor Questions & Issues 12-08-2019, 02:30 PM
Replies: 3
Views: 269
Posted By pintglass
Mitre Saw start capacitor

Hi

My miter saw like lots of things at the moment seems to have given up.

I'm getting 240v to the switch, which I've tested for resistance when pressed giving about 0.08 ohms so i assume is OK ...
Forum: General Capacitor Questions & Issues 12-01-2019, 08:12 AM
Replies: 34
Views: 807
Posted By pintglass
Re: Tumble Dryer start capacitor

I've fixed the motor and the dryer seems to be working fine, so thanks to all that helped.
Forum: General Capacitor Questions & Issues 11-30-2019, 02:31 PM
Replies: 34
Views: 807
Posted By pintglass
Re: Tumble Dryer start capacitor

I have taken the motor apart and think I've found the problem, I have a break in the winding wire.

As can just about be seen in the image I pushed the wires together and now get about 60 ohm's...
Forum: General Capacitor Questions & Issues 11-30-2019, 06:12 AM
Replies: 34
Views: 807
Posted By pintglass
Re: Tumble Dryer start capacitor

I get the same as before 30 ohms between red and white and OL between red and black and OL between black and white.
Forum: General Capacitor Questions & Issues 11-30-2019, 02:26 AM
Replies: 34
Views: 807
Posted By pintglass
Re: Tumble Dryer start capacitor

Yes the dryer is reversible it changes direction when in use.

If my motor has a switch it must be inside the motor housing as its not visible.

Would it be worth me getting a start capacitor to...
Forum: General Capacitor Questions & Issues 11-29-2019, 03:36 PM
Replies: 34
Views: 807
Posted By pintglass
Re: Tumble Dryer start capacitor

The motor won't start even with the belt removed unless I help to get it going.
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