Jan 18 #153753
I have a bad psu in my TDS-420A , it burned a track on the pcb bur I cannot find the cause , the switching transistor os it seems . I have had it suggested that the hybrid device is probably the fault , does anyone know what the device consists of , or better still does anyone actually have one that they would part with .
Thanks in advance for any help you can give
On Sat, Jan 19, 2019 at 08:22 AM, Bob Koller wrote:
That is identical to the power supply I just fixed. Every single capacitor on the power supply board was bad. Either in the process of leaking or already leaked out and dried out. After replacing those and the all know SMD caps issue all seems well. You may want to check that the output connector joints are solid as well,just in case.