JYE Tech Forum

The part number for US is LM1117-3.3. Package is TO263

V4 should be positive so your analog board output is correct. For the encoder issue please see this troubleshooting guide viewtopic.php?f=19&t=1108 .

Did you use a power supply that shared the same ground with the amplifier? If ground is isolated 35Vpk signal shouldn't damage the scope.

C1 is rated at 50V DC.

You can do this with H or J version analog board.

Please try remove the file "libusb0.sys" from te eXtreme Burner folder.

You can also try this http://www.jyetech.com/Support/progisp172.rar .

jpeg format is accepted. You might need do down size the photo to make it smaller.

1.3M can be used but will cause measurement error. You can contact JYETech at jyetek@gmail.com for replacement.

Can you post photos of your boards please?

Please check if the devices have a suffix 'A'. That might make difference for some programming software.

The chip U2 is a encrypted EEPROM for protection purpose. So its part number is not released. You can replace it or remove it if the MCU is not going to run the DSO firmware. The screen controller could be different from that used in DSO138. Yes the main board is available for selling separately. Pl...