IBM 5155 Power supply schematics or info

Alberto Rubinelli - A2 Sistemi alberto at
Thu Oct 27 11:56:56 CDT 2005

I'm repairing an IBM 5155 with defective power supply. I've try some
components replacement (electrolitc capacitors) with no results. The
rectified main voltage is present, but it never start up.
Anyone know if there are schematics of this power supply available on the
net ?
Any experencies with this power supply ?


Alberto Rubinelli          Mail : alberto at
A2 SISTEMI                 Web  :
Via Costantino Perazzi 22  Tel 0321 640149
28100 NOVARA (NO) - ITALY  Fax 0321 391769
Il mio museo di vecchi computers/My old computers museum
ICQ : 49872318  Skype : albertorubinelli

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