I am fixing a viewsonic n4251n, customer said it just died. I replaced a 7amp 800volts mosfet from the 5volts ps, but there is a shorted zener diode #ed ZD1 on the PC board,.Anyone know what is the value of this diode ,or have the circuit diagram?
viewsonic power supply repair
Sun, 02/02/2014 - 10:22
#1
viewsonic power supply repair