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Hitachi zaxis 280lc ECM diode values

mathex

New Member
Joined
Mar 2, 2021
Messages
2
Location
kenya
I have a Hitachi zaxis280lc with short circuited diodes with no part numbers only the letters ADME. They maybe Zener diodes but I don't have the part numbers. Any member who may have an idea of the part numbers would be of great help to me. Am new here and am based in Kenya. Thank you in advance. I have attached a photo of the diodes( the big metal clad disks)IMG_20210702_145033_956.jpg
 

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mg2361

Senior Member
Joined
Jul 5, 2016
Messages
5,145
Location
Pennsylvania
Occupation
Equipment Mechanic
Welcome to HEF Mathex;)!

Sorry, I know I can't help you:( but maybe somebody else can:). I just wanted to welcome you to the terminally insane, sorry I meant the forum:D.
 

John C.

Senior Member
Joined
Jun 11, 2007
Messages
12,870
Location
Northwest
Occupation
Machinery & Equipment Appraiser
If you can fix those boards, I think you will be one of the few in the world with that capability.

Good Luck!
 

mathex

New Member
Joined
Mar 2, 2021
Messages
2
Location
kenya
If you can fix those boards, I think you will be one of the few in the world with that capability.

Good Luck!
it wasn't powering up before I worked on it, now it's powering and those two diodes are the only components which are shorted
 
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