I have a gas range, a jenn-air, that has an electronic control... Or half of one. About half the buttons fail to register. I had a repair guy come out once, and he couldn't tell me which part was bad, either the keypad, or the "computer". The range cost us $1100 or something close to that, originally, 10 or 12 years ago. The cheaper replacement part is $200. The keypad connects to the "computer" by way of two flex-cables. One of them has 8 conductors, and the other has 7. My guess is that one cable drives the segmented display, and the other one reads the key presses. A while ago, I ordered some connectors for the flex cable so that I could try to figure out how the buttons were wired. Tonight I dug them out and tried, with my wife holding (or pretending to) the buttons. However, I couldn't get a single chirp out of my continuity tester. Does anyone have any experience working on these things? I searched the inter webs, and came up substantially no better off than when I started. Clues welcome! I'm inclined to replace the whole computer/display with a teensy and some toggle switches, all Altair 8800 style.
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