If you are having reliability problems using Cliff Hanger with the infrared transmitter (ie the "IR blaster"), you can mod your Cliff Hanger to use the remote control jack instead.
The type of plug is a 3.5mm mono plug with just a tip and a sleeve.
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File comment: laserdisc interface
CliffHangerLaserdiscInterface.png [ 180.06 KiB | Viewed 7695 times ]
To test that you have the wiring correct, you can use these test points on the Dexter board (with the plug inserted into the jack).
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File comment: test points for remote control jack
dexter_pr8210_test_points.png [ 37.75 KiB | Viewed 7695 times ]
With the remote control cable plugged in, "signal" should be connected to pin 4 of J8 on the Cliff Hanger ZPU board and "ground" should be connected to Cliff Hanger's ground.
