HP-1144 Question

[Gary H. Harmon, Jr]

I have several HP-1144 AC power supplies and one of them has a different
PCB.  It's marked 85-1928-2 while all the others are a dash one.  This dash
two has a hole for a Q4 (looks to be a stud mounted rectifier).  There are
also two loose brown wires; one is from connection "G" and the other goes to
chassis ground.  Any ideas?  Anyone have a schematic of this particular
power supply I can get?
 
Thanks. 
 
Gary H. Harmon, Jr. / K5JWK
6003 Archwood
San Antonio, TX 78239-1504
210.657.1549h 
210.884.6926c
gharmon at idworld.net
 
"Retirement means everyday is a Saturday, except Sunday."
 

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