Hp 59309a Digital Clock Repair Page 1

Hp 59309a Digital Clock Repair Page 1 Hp 59309a digital clock repair. i picked up an hp 59309a that wasn't displaying the time correctly. turning it on, it looked to me like the display was changing every second, and the digit transitions happen at the correct time. however, all of the digits were displaying the wrong pattern on the seven segment leds, and all with the same. Here is my clock set program for 9835 it is a direct translation of the 9830 program from page 3 16 of the manual i have also included an unfinished stub of a clock read program. when you read the clock it sends a string with the date and time the exact format of the string is subject to some of the switch settings inside the 59309a.

Hp 59309a Hp Ib Digital Clock Sm Service Manual Download Schematics The plug in circuit cards were cleaned and reinstalled in the clock chassis: with repairs complete, the hp 59309a clock was powered up and the date and time set: the 5v regulator and bridge rectifier now run cooler, though the regulator may get an additional external heatsink. hp ib interface testing is next! 001264 clocks repaired. The hp 59309a hp ib digital clock allows access to a time of day clock via the hp ib bus. i have connected this thing to an hp 85 but have been unable to convince it to return a value. i can send commends to the 59309a, (e.g. i can stop it and then restart it), but trying to read from it jams the bus, till i reset the bus (using the reset 7. The 59309a hp ib digital clock is just that, a digital clock. the date and time can be both read and set via hp ib. today, engineers would typically drive automated test instruments from a computer that has real time clock capability, but that generally wasn't the case in the 1970s. the 59309a allowed real time clock functionality to be. Digital adore. sse' r; hp module clock 59309a hewlett hp packard . created date: 4 23 2007 8:29:07 pm.

Hp 59309a Digital Clock Repair Page 1 The 59309a hp ib digital clock is just that, a digital clock. the date and time can be both read and set via hp ib. today, engineers would typically drive automated test instruments from a computer that has real time clock capability, but that generally wasn't the case in the 1970s. the 59309a allowed real time clock functionality to be. Digital adore. sse' r; hp module clock 59309a hewlett hp packard . created date: 4 23 2007 8:29:07 pm. The hewlett packard 59309a digital clock, introduced in 1974, is able to communicate via an hp ib (hewlett packard interface bus), a precursor to the gpib (general purpose interface bus), defined by the ieee 488 standard. these days hp ib is mostly relegated to test instruments, so hp ib interfaces for modern computers are not exactly common. Hp agilent keysight [email protected]. topics. hp 59309a hp 1b digital clock. date 1 2 of 2.