mercury pvm890m no display
Posted: Fri Apr 29, 2016 2:26 am
mercury pvm890m motherboard
problem -no display
test all voltage ok
but no clock signal in debug card
voltage check in crystal 2leg no voltage
voltage check clock ic isl7803421 vcc pin vol. ok
then replace clock ic clock singnal ok
m/b ok
problem -no display
test all voltage ok
but no clock signal in debug card
voltage check in crystal 2leg no voltage
voltage check clock ic isl7803421 vcc pin vol. ok
then replace clock ic clock singnal ok
m/b ok