HP/Agilent 8164A Repair (Optical Test Mainframe)
The Agilent/HP 8164A mainframe has been discontinued for a long time and replaced by the 8164B now sold with Keysight logo. Still, the older 8164A can host most the modules on the market as long as loaded with the latest firmware. We are familiar with most known issues on the 8164A being display, GPIB, power supplies or backplane pins. If your motherboard is fried, you might then be best to consider replacing it. Our used equipment sales division AssetRelay keeps a large stock of 8164A for sale. You are also welcome to send us an email with a problem description and we will tell you what we feel is possible to repair your unit.