JYE Tech Forum

Hi All, I appreciate your suggestions for a lot of problems. I suddenly have had a mafunction on my DSO138: it was well working till yesterday. The problerm is this: 1) white screen 2) detaching screen PCB TP22 (3.3V) is only 0.7-0.8 V 3) opening JP4 3.3V reappears fine (on regulator of 3.3V), clos...