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HP8563E Blank display

 

I have a blank display on my HP8563E. The CRT is fine but I found out that -15 VDC power supply is down (LED on A2 is off). I measured nearly 0 V on TP303 (vs TP301) on A6.
Anyone came across the same problem?

Best regards, Michel F6DZK
 

The first thing you should try is to reseat the power supply module in the main power supply. This module is similar to a memory module in an old PC, and it plugs into a DIMM socket.
 

Hi David,
I saw that DIMM like socket on Agilent pictures. However my HP8563E is older (don't know the year) and A6 PCB has no such board.
Regards, Michel


Le?ven. 3 mai 2024 à?17:29, David via <david=djsbriscoe.vispa.com@groups.io> a écrit?:
The first thing you should try is to reseat the power supply module in the main power supply. This module is similar to a memory module in an old PC, and it plugs into a DIMM socket.

 

SER is 3305A00996
Don't know if that helps,
Michel


Le?ven. 3 mai 2024 à?17:37, F6DZK Michel via <michel.m.bourdon=gmail.com@groups.io> a écrit?:
Hi David,
I saw that DIMM like socket on Agilent pictures. However my HP8563E is older (don't know the year) and A6 PCB has no such board.
Regards, Michel

Le?ven. 3 mai 2024 à?17:29, David via <david=djsbriscoe.vispa.com@groups.io> a écrit?:
The first thing you should try is to reseat the power supply module in the main power supply. This module is similar to a memory module in an old PC, and it plugs into a DIMM socket.

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