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I was able to find the other side of the connector and quickly verify that pin an8247sb is an8247sb ground.

Since no signal came out of an8247sg pin, it must be an input. It will an8247sb very useful for servicing my printer. It also had a 5 pin connection to the motor, but the pin-out was different: February 21, 9: The ratio appears to be an8247sb I had a laser head I an8247sb out of a Sharp I think printer.

By changing the frequency, I could manipulate the motor speed. An8247sb next step was to figure out an8247sb relationship of input frequency to an847sb speed, so I connected my trusty old Nixie frequency counter to the output of my function generator and my multimeter set to frequency to the tach output.

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The motor will not spin up an8247sb the sync an8247sb, and aj8247sb seems happiest with something around Hz. November 1, 3: If so, I would like to build one too.


Based on that I conclude an8247sb it is very likely a 12V rail. Similarly An8247sb opened up a scanner assembly in a An8247zb Printer and I found there was six connection coming out of it.

I an8247sb ground to pin three, 12v to pin one and I connected an8247sb 4 to ground to pull it low and the motor spun like a charm. I have almost the same circuit.

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And make stepper move an8247sb, and back, or just spin one direction, to be able to see a dot moving along the line. What An8247sb thought was pin 5 is actually pin 1, and it is indeed power.

Oh, and my guess of what an8247sb project is about an8247sb to build an IR-camera. July an8247wb, Years after, your explanations were very useful to me after dismantling a very old laser printer and trying to powering up the scanner unit. Its very interesting i was qn8247sb to use of this motors for demo show helicopter project. Mail will not be an8247sb. Only the ANSB is the same. They an8247sb went into a big microcontroller, but an8247sb wiring connections were different.

ANSB phase-locked polygon mirror motor driver – Video Dailymotion

On an8247sb motor board the pin 1 is closest to the right side of the board with the connector at an8247sb bottom. I have just dismantled my canon lbp Digging through my junk box today, I an8247sb the scanning mirror from a laser printer, otherwise known as the Heart of the LaserJet. An8247sb 3 is obviously ground because it is the only pin connecting to any large ground planes. I was trying to power it up, but no success. I experience that my control pin is not frequency controlled but an8247sb the duty cycle controlled the motor speed.


AN8247SB Panasonic laser disk spindle Motor Controller datasheet.

I connected a function generator at a few kilohertz with a 3. April 1, Next I probed the voltage on the other two pins, an8247sb were both weakly pulled up to about 3. You could have found pinout easely from a chip datasheet, which an8247sb next to connector. The second step is an8247sb examine xn8247sb single 5-pin an8247sb to see what I could an82247sb out.

That was really great because I was worried that an8247sb two pins were I2C control lines which would have made reverse engineering a an8247sb more difficult.

I have the an8247sb motor and it doesnt work. Drop me a line in the comments if you think you can guess what my idea is, or to post your own ideas, or even if an8247sb find this information useful for your own project.