Recent content by kouwasi

i will as far as possible new chip and capacitor replace if need to new substrate, i ask a contractor or make a circuit diagram

I have noticed that. when turn power on a two noise. that is always.   first one noise is just power on time. second noise sounds a little after the first noise.   that is always.   Do you think it has something?

EMZA160ADA470ME61G(47μF 16V) and EMVA6R3ADA101ME55G(100μF 6.3V), maybe there is not problem?

umm... i try repair by use drug I will report here if there is progress

My Performa 575 is dont work. but this can turn power on   This Performa 575 is not play boot sound   So i think logic board is broken.   What do you think?