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Search: Posts Made By: sam_sam_sam
Forum: Equipment Usage, Soldering, Techniques, and Reviews Today, 09:04 AM
Replies: 45
Views: 20,188
Posted By sam_sam_sam
Re: [FAQ] Atten 858d problem S-E (or 5-E) or stuck in 498'C.

If I were doing this repair I would resolder all of the joints on this board
Forum: Troubleshooting Game Consoles & Other Weird Devices Today, 05:11 AM
Replies: 65
Views: 1,177
Posted By sam_sam_sam
Re: Catapillar ECU repair, need N548AB replacement?

CapLeaker

But the question is have we figured out what type of device this is
Forum: General Electronics Technical Discussion 09-20-2021, 12:58 AM
Replies: 23
Views: 454
Posted By sam_sam_sam
Re: A 2200lm 7057 LED car lamp...

I have a truck that has this crap that there is no way to turn off the inside cab light it just times out for some reason now it does not time out anymore so I took out the fuse for it and be done...
Forum: Troubleshooting Power Supplies and Power Supply Design 09-19-2021, 01:31 PM
Replies: 19
Views: 298
Posted By sam_sam_sam
Re: Power supply board missing voltage

Remember that this is actual running time this does not mean the machine being in standby mode it could have more hours than what is showing one other issue might be the time counter might not have...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 09-19-2021, 12:18 PM
Replies: 4
Views: 155
Posted By sam_sam_sam
Re: ZD-915 vacuum pump motor mount service alert

Update on speeding up the pump does not make that much difference so to me it might not be worth doing this modification to speed up the pump

However where the tip meets the suction tube that...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 09-19-2021, 11:15 AM
Replies: 4
Views: 155
Posted By sam_sam_sam
Re: ZD-915 vacuum pump motor mount service alert

I am going to do the same exact thing I have find some and buy them the only difference is that I am going to use the 24 volt ones and remove the resistor and in install a resettable fuse instead
...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 09-19-2021, 10:17 AM
Replies: 4
Views: 155
Posted By sam_sam_sam
Re: ZD-915 vacuum pump motor mount service alert

Here are some pictures of the pump assembly

When I was describing the inside of the pump I was thinking about another type of small pump I also have worked on this one is a little bit simpler with...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 09-19-2021, 02:15 AM
Replies: 4
Views: 155
Posted By sam_sam_sam
ZD-915 vacuum pump motor mount service alert

If you have this Desoldering Gun Station there is something you should be aware of the two screws that hold the motor to mounting for pump can come loose and make raddling noise

One note this...
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-18-2021, 05:09 PM
Replies: 65
Views: 1,177
Posted By sam_sam_sam
Re: Catapillar ECU repair, need N548AB replacement?

One possibly is that it goes to the micro controller board instead where you think it should go this is just an idea or somewhere else who knows where that could be another idea as well
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-18-2021, 12:30 PM
Replies: 65
Views: 1,177
Posted By sam_sam_sam
Re: Catapillar ECU repair, need N548AB replacement?

This was a mess that he had on his hands he is good at repairing this device
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-18-2021, 07:51 AM
Replies: 65
Views: 1,177
Posted By sam_sam_sam
Re: Catapillar ECU repair, need N548AB replacement?

I would have to totally agree with you on this point
Forum: Equipment Usage, Soldering, Techniques, and Reviews 09-18-2021, 07:32 AM
Replies: 19
Views: 634
Posted By sam_sam_sam
Re: BGA Rework Station advice.

Here is my take on part of this discussion is this and I could be completely wrong with this

But if you can not control temperature correctly then what good is any device and what even worse is...
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-18-2021, 06:29 AM
Replies: 65
Views: 1,177
Posted By sam_sam_sam
Re: Catapillar ECU repair, need N548AB replacement?

My question is how would it work if the gate was left floating on the fets I do quite understand how this would work

This is why I do not like devices that have stacked multiple trace boards on...
Forum: Troubleshooting Power Supplies and Power Supply Design 09-18-2021, 04:41 AM
Replies: 19
Views: 298
Posted By sam_sam_sam
Re: Power supply board missing voltage

Just because you think a soldering look good with out looking through a magnifying glass and not looking very closely at the pins is going to be very misleading trust on this one as well

If you...
Forum: Troubleshooting Power Supplies and Power Supply Design 09-18-2021, 04:13 AM
Replies: 19
Views: 298
Posted By sam_sam_sam
Re: Power supply board missing voltage

Here is something you should know about encoders unless you have a way to look at the enclosure counter to see if you have the following issues you will not be able to find or fix the issues

You...
Forum: Troubleshooting Power Supplies and Power Supply Design 09-18-2021, 03:35 AM
Replies: 19
Views: 298
Posted By sam_sam_sam
Re: Power supply board missing voltage

As far as why you have NO power to V2 you first need correct the rust issues with the soldering joints first once you have done this then we can try to figure this part later

I can tell you from...
Forum: Troubleshooting Power Supplies and Power Supply Design 09-18-2021, 03:29 AM
Replies: 19
Views: 298
Posted By sam_sam_sam
Re: Power supply board missing voltage

“I do have a dedoldering station but have never used it...”
What model number is it that you have and why do you not use it ?
Forum: Troubleshooting Power Supplies and Power Supply Design 09-18-2021, 02:40 AM
Replies: 19
Views: 298
Posted By sam_sam_sam
Re: Power supply board missing voltage

https://www.mpja.com/Desoldering-Station-for-Circuit-Repair-ZD-915/productinfo/19034+TL/

If you buy one make sure that you buy extra tips and the smaller filters you will need them please PM me if...
Forum: Troubleshooting Power Supplies and Power Supply Design 09-18-2021, 02:13 AM
Replies: 29
Views: 8,548
Posted By sam_sam_sam
Re: Replacement cap advice needed for Panamax Max 1000+ Surge Protector/Line Conditio

What is your incoming voltage from the power outlet to the device
It might be that your line voltage might be in between these two values which if this is the case then it would be functioning...
Forum: Troubleshooting Power Supplies and Power Supply Design 09-18-2021, 01:04 AM
Replies: 19
Views: 298
Posted By sam_sam_sam
Re: Power supply board missing voltage

Ok I see a lot of pins on this board that have a rust color on them this is what I would highly recommend that if you are going to reconditioned these machines if we’re me I would first buy a...
Forum: General Electronics Technical Discussion 09-17-2021, 12:25 AM
Replies: 23
Views: 454
Posted By sam_sam_sam
Re: A 2200lm 7057 LED car lamp...

You could do away with the current resistors and use a PWM controller the led module would last a lot longer doing it that way and you could adjust the brightness of the leds
Forum: General Electronics Technical Discussion 09-16-2021, 04:51 PM
Replies: 52
Views: 1,576
Posted By sam_sam_sam
Re: Is there a way to modify a IMAX b6 battery tester version 2 to only monitor volta

No they are WiFi module that acts like a router and you log on to monitor the battery voltage on your phone or tablet
...
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-16-2021, 12:41 AM
Replies: 65
Views: 1,177
Posted By sam_sam_sam
Re: Catapillar ECU repair, need N548AB replacement?

Unless it took out the device that supplies power to the mosfets but yes you would think might be the case
Forum: General Electronics Technical Discussion 09-15-2021, 07:14 PM
Replies: 52
Views: 1,576
Posted By sam_sam_sam
Re: Is there a way to modify a IMAX b6 battery tester version 2 to only monitor volta

I bought two of these “ SkyRC Wi-Fi Module use for Certain ESC and Charger ” these devices are interesting in that you can control the SkyRc IMAX b6 battery tester however it is extremely limited in...
Forum: General Electronics Technical Discussion 09-15-2021, 06:58 PM
Replies: 23
Views: 454
Posted By sam_sam_sam
Re: A 2200lm 7057 LED car lamp...

It would probably be better if it had a PWM controller ic chip instead of a resistor for current limiting control
Showing results 1 to 25 of 500

 
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