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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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There was an AOC tv in the mid 80s that had capacitance touch switches
on the front and the channel indicators were illuminated with NE2 neon bulbs. An ic drove transistor switches that turned the bulbs on and off. The sets would come in where the channel couldn't be changed. The first one took me a few hours to repair. The soluton was to change the NE2 bulb on the channel the set was stuck on. The faulty bulbs still lit at the proper voltage. Anyone have an idea how the bulb could cause this fault? At the time we were a high volume repair service so I didn't have the time to ponder circuit anomalies. Thanks. Chuck --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus |
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