Thomas Well-known member Donor 2021 Joined Jan 23, 2009 Messages 3,726 Reaction score 75 Location Virginia May 2, 2010 #1 Do I need to pull this out of circuit and then test? This zener is on a pole position cpu board upper right hand side. Last edited: May 2, 2010
Do I need to pull this out of circuit and then test? This zener is on a pole position cpu board upper right hand side.
OP OP Thomas Well-known member Donor 2021 Joined Jan 23, 2009 Messages 3,726 Reaction score 75 Location Virginia May 2, 2010 #2 I pulled the zener out of the board. I then tested it in diode mode with my dmm. I have nada its toast.
I pulled the zener out of the board. I then tested it in diode mode with my dmm. I have nada its toast.
OP OP Thomas Well-known member Donor 2021 Joined Jan 23, 2009 Messages 3,726 Reaction score 75 Location Virginia May 2, 2010 #3 What should an IN4735A read? I pulled out a spare cpu parts board and that diode reads 112 in circuit. Lets pop it out real quick...
What should an IN4735A read? I pulled out a spare cpu parts board and that diode reads 112 in circuit. Lets pop it out real quick...
OP OP Thomas Well-known member Donor 2021 Joined Jan 23, 2009 Messages 3,726 Reaction score 75 Location Virginia May 2, 2010 #4 That's was interesting the diode now reads 726 removed from the pole cpu parts board. Not sure how close that is to spec. Looks like i might be back in business...
That's was interesting the diode now reads 726 removed from the pole cpu parts board. Not sure how close that is to spec. Looks like i might be back in business...
OP OP Thomas Well-known member Donor 2021 Joined Jan 23, 2009 Messages 3,726 Reaction score 75 Location Virginia May 2, 2010 #5 Scrap zener salvaged... Now in place on good board reading 186