Pulse Star II (first analog version)

[Carl-NC]

Honestly, the schematic is a mess but U1a is a rail splitter and its output should be 0V, but if the supplies are as labeled then it will actually be 1V.

[moodz]

Is this sechematic a power supply, and how many volts should the output be?

It says it on your diagram ... -10 volts.
BUZ71 mosfet and associated cct forms a low drop out regulator. ( maybe ... thats my quick guess )

[Mehr076]

Is this sechematic a power supply, and how many volts should the output be?

[Mehr076]

If it doesn't work, then you messed up something and now you can't find the error, and it's even harder for your colleagues on the forum to tell you where you went wrong. Start gluing a new board and according to the diagram, first connect the power supply, turn it on, measure if it's OK, then continue and without rushing, measure with a multimeter and resistors which ones are exactly and enclose what you've glued, measure the zeners and continue gluing the other elements and finally use the oscilloscope to watch the pulses if everything is OK and adjust the damper.. Back to the topic, download the diagram and the board, print them out on A3 format and act, all the answers will be in front of you.

I checked everything more than ten times and I had no mistakes, When I turn on the device without a loop, it beeps I think the resistor values in the diagram and pcb are wrong

[algan]

Yes, it beeps without a coil. lf411

If it doesn't work, then you messed up something and now you can't find the error, and it's even harder for your colleagues on the forum to tell you where you went wrong. Start gluing a new board and according to the diagram, first connect the power supply, turn it on, measure if it's OK, then continue and without rushing, measure with a multimeter and resistors which ones are exactly and enclose what you've glued, measure the zeners and continue gluing the other elements and finally use the oscilloscope to watch the pulses if everything is OK and adjust the damper.. Back to the topic, download the diagram and the board, print them out on A3 format and act, all the answers will be in front of you.

[Mehr076]

I didn't connect a coil, without a coil, the device beeps when I turn it on.

[Orbit]

Does it work with the coil on? Did you put a resistor across the coil?

[Mehr076]

Under 1, are you drunk or crazy? The second record does not exist and it is the original. Under 2, you should explain what is not working. If it beeps without the coil and works with the coil on then replace Lf357 with 411 and probably some ic is faulty replace tl064 with lf444.

Yes, it beeps without a coil. lf411

[Orbit]

Under 1, are you drunk or crazy? The second record does not exist and it is the original. Under 2, you should explain what is not working. If it beeps without the coil and works with the coil on then replace Lf357 with 411 and probably some ic is faulty replace tl064 with lf444.

[Mehr076]

You are doing something wrong or you have connected some lines at some point during soldering. Get a better soldering iron for electronics, not for construction gutters. Or some of your components are faulty. What doesn't work? As we can all see, you haven't soldered everything yet and you claim that it doesn't work.

There is no connection. I checked. When the device turns on, it just beeps and I don't know what the problem is.

[Mehr076]

You are doing something wrong or you have connected some lines at some point during soldering. Get a better soldering iron for electronics, not for construction gutters. Or some of your components are faulty. What doesn't work? As we can all see, you haven't soldered everything yet and you claim that it doesn't work.

Do you have a clear picture of the original board?

[nejdet]

You must be joking. This is an empty box!

[Mehr076]

.

[Mehr076]

Okay! You obviously have an original device. Show us where we are wrong, are you trying to clone this device or are you testing us?

Well, I compared the PCB file with the original device and found a few errors.

[nejdet]

.

Okay! You obviously have an original device. Show us where we are wrong, are you trying to clone this device or are you testing us?