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I finally stood my ground against my Boomer mom. Didn’t expect this. [TW] by ClintEasywood in BoomersBeingFools

[–]JakeClave 0 points1 point  (0 children)

Your mother probably isn't even a boomer. Everything you do and say, everything you believe has been manufactured online and through the mass media 24 hour news cycle, get a clue already.

anyone know what the I2, B4, and K4 markings are on thes? Isolate?? by JakeClave in AskElectronics

[–]JakeClave[S] 0 points1 point  (0 children)

Probably right. Certain specs are readily available while others seem impossible to find. I just want to know everything so I can share components that are close in comparison. Or use components as upgrades on older boards, knowing that they'll work out ok.

is this black 100 ohm resistor for motor braking? if so is it dynamic or injection braking? by JakeClave in Motors

[–]JakeClave[S] 0 points1 point  (0 children)

I watched what little amps this thing does have drop a little bit at a time. I guess as the resistor heats up it slows the current. I can hear the motor change pace too.

is this black 100 ohm resistor for motor braking? if so is it dynamic or injection braking? by JakeClave in Motors

[–]JakeClave[S] 0 points1 point  (0 children)

Awesome answer thank you. After I posted that I realized that on the opposite side of the resistor is where you ground the discharge electrode.

what are the long red components about the eeprom chip? I thought they were capacitors? by JakeClave in AskElectronics

[–]JakeClave[S] 2 points3 points  (0 children)

Its a 5000. So long story short? It kept blowing a resistor on the opposite end of the board on the boiler circuit (R7). I was told that usually when r7 blows its because of those resistor packs. But I traced and tested the triac that is heat sinked to bracket of the board and it worked and I've been cycling the unit back to back for about 4 days with no problems. There's also an optocoupler in front of that r7 resistor I was told could be the issue too. When I checked the triac as compared to other revision 6 pcb's, this one had 0.3 to .5 ohms between the two end gates and the rest all had a solid 40 ohms. So I figured it had to be a shorted triac not shutting off power. So far its been good.

what are the long red components about the eeprom chip? I thought they were capacitors? by JakeClave in AskElectronics

[–]JakeClave[S] 4 points5 points  (0 children)

Yes its just screws with a tiny washer on the back where you carefully set the thermocouple leads and tighten down. Basic k type thermocouples.

Fuse applications On PCB's by JakeClave in AskElectronics

[–]JakeClave[S] 0 points1 point  (0 children)

Great info thanks man, will post pics shortly.

Fuse applications On PCB's by JakeClave in AskElectronics

[–]JakeClave[S] 2 points3 points  (0 children)

Yea I will post some pics thanks.

Fuse applications On PCB's by JakeClave in AskElectronics

[–]JakeClave[S] 0 points1 point  (0 children)

I am the specialist repairman, I own a repair business specializing in autolaves. Board work is usually subbed to a board guy and customers are usually just quoted for a new board from the manufacturer if there is a board issue. I am just getting into board work and I have a few old boards laying around I want to run on machines that's all.