HP SFF power supply 503367-001 are not all the same there are at lease 2 model numbers with different internal parts and PCB's. PS-4241-9HA and HP-D2402E0. Both have the 503367-001 number and are identical on the outside.
I have a PS-4241-9HA that is dead but so far have not found any bad components. I traced the power through the diode bridge to the large filter capacitor There is a heat sink with Q210 and Q211 marked on the same heat sink are 2 components with 2 leads each marked RT900 and RT901. Can anyone tell me the transistor types and what RT900/901 are?
I also have a HP-D2402E0 that tests good all output voltages in spec. but when installed in a computer (I tried it in more that one) it causes an endless boot loop.
Any thoughts on these would be appreciated.
I have a PS-4241-9HA that is dead but so far have not found any bad components. I traced the power through the diode bridge to the large filter capacitor There is a heat sink with Q210 and Q211 marked on the same heat sink are 2 components with 2 leads each marked RT900 and RT901. Can anyone tell me the transistor types and what RT900/901 are?
I also have a HP-D2402E0 that tests good all output voltages in spec. but when installed in a computer (I tried it in more that one) it causes an endless boot loop.
Any thoughts on these would be appreciated.
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