Ricoh mpc3500 power supply

[georgereth]

I have a deat power supply . Actualy it works the primary module and does not work the secontary .
I have change the capasitor and have check the diodes . Any idea hot to fix or where to look for this problem ?
Thanks

[limo]

The most common failure on the psu of mpc 3500 is when transistors Q1 and Q2, diode D1 and resistors R5 and R7 are blown.
These parts are available in any electronics shop.

[CableGuy]

I believe there is a modified PSU out for this model, Had a few of these go pop!!