OpenGD77

Thank you Roger for your prompt reply.

Unfortunately I don't have a Flash backup. Any clue where I could find one?
Thanks

Mike IK7VXC

Hi, my Baofeng can tx/rx just fine and I can upload or change the codeplug with no issues. But today when I attempted to enter bootloader mode for firmware update the green led started to flicker randomly. Under these conditions I'm unable to upload the latest firmware. Is there a way I can recover ...

Actually when comparing both circuit boards they are clearly not the same device.

https://ibb.co/4t6Rpb8

Mike IK7VXC

Colin, are you saying that the picture posted by LY1RF is misleading?

Thanks Colin for your input. I already sent for a RQA0009SXAQS. I hope I didn't make any mistakes. I'll keep my fingers crossed.

Mike IK7VXC

Thanks Rolandas for the picture. Hope the component is easily findable online.

Mike IK7VXC

Thanks guys. I think it's worth trying to replace the mosfet and see what happens. The point is, I don't know what type. If some of you has a Baofeng dm 860 (or the 1801 which "should" have the same hardware) and would be willing to look inside ... it would be really helpful. Disassembling is not a ...

Believe it or not only 9 volts!!!

Hi everybody. I need a little help. By mistake I powered my dm 860 (through a battery eliminator) with higher voltage. As a result the unit stopped transmitting. I opened it and looked at the circuitry and located a burned out component. https://ibb.co/1bz9DP0 https://ibb.co/NVzhQwK Since I wish to ...

Thanks Colin for the pointer, I'll work on it.
Cheers
Mike