2465B
s/n 57xxx
When I first powered it up, the lights would all come on for a split second, then they would go out, then it would cycle through the self-tests, failing at TEST 05, so I cleaned up the A5 corrosion and replaced a few components there. I also replaced the RIFAs on the power supply.
Following that, when I turn it on, the lights all come on, but they don't go out.
All J119 points are well within spec. I am a little confused at times when following the service manual, for example the troubleshooting procedure said TP201 should be +10v, but the schematic seems to indicate it should be +5v, which is what I'm getting.
I'm not sure how to proceed at this point. I'd like to go as far as possible before I am forced to buy a new oscilloscope to repair this one.
Thanks
Bobert29