Re: Compaq PDP-121P - Baked MOV
Ignore my last post - i somehow that wrong, including the wrong transistor
The optocoupler is not shorted.
The values in normal font are when the PSU is powered on
The values in bold font are when the paper clip shorts the white wire to ground (i'm farly sure that the ATX pinout is normal, as they have just used different colours)
Secondary side
4.96V 5.28V
0.037V 1.18V
-----------------
-----------------
0V 15.4V
12.92V 13.18V
Primary side
Ignore my last post - i somehow that wrong, including the wrong transistor
The optocoupler is not shorted.
The values in normal font are when the PSU is powered on
The values in bold font are when the paper clip shorts the white wire to ground (i'm farly sure that the ATX pinout is normal, as they have just used different colours)
Secondary side
4.96V 5.28V
0.037V 1.18V
-----------------
-----------------
0V 15.4V
12.92V 13.18V
Primary side
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