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    Identifying Cracked Diode on Mecedes Key Fob

    Just though I would throw this in- My corvette has a key with a resistor imbedded in the shaft. When you insert the key. The car read the resistance and if it matches the software set, it allows the car to start. You may be up against something similar hear.
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    Fluke 6080a Display Problem

    I had what I think is break through The input and output signals of the driver for signal PS1 do not match. UDN6118 is a special VFD driver chip. I still need to check PS2 & RS1. There were no signals on the voltage VDF with what looks like a shelf in the signal. Wave forms shown are from...
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    Fluke 6080a Display Problem

    PS1 & 2 and RS1 are generated by the 3 flip flops to the right on schematic. Not shown is the combination of the three signals into bus shown at the bottom of the flip flops. PS1 &2 go to the display in question. My thinking hear is, what you are saying about (Gxx) possibly = PS1 & 2. This...
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    Fluke 6080a Display Problem

    Your help is welcome Yes the mod. Disp. part Is in the same VFD. because the problem is throughout the display seem to be a tell. You wouldn't believe how well built the unit is. It's a major operation to get at the front of the display board. If I do get to it, I'm not sure I can power it...
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    Fluke 6080a Display Problem

    Of the two display chips, the Frequency read out side will not display properly in either of its two fields. I am sure the numbers are correct, but just not readable. Something seems to be wrong with Frequency display board (A1 display PCA), Amplitude display works fine. If it were something...
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