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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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UPDATE: Toshiba TV 27AF41, ch TAC0114 Won't Turn On
Hi,
T461 FBT # TFB4166BH was the cause. I put a 100W bulb in the B+ line (opened trace) to FBT. The bulb was bright when I turned on TV. Note: Out of circuit, the FBT tested fine using a FBT tester, etc. Brad Original post: I have a Toshiba TV 27AF41, ch TAC0114 (mfg 12/01) (Photofact 4577) in my shop. I don't have SM. When you try to turn on the TV, it goes on for a fraction of a second then off. Then the front panel LED starts blinking. I was able to see (scope) a flyback pulse briefly (used a loop around FBT core), but I didn't have a good view of the pulse condition. I plugged the TV into a 90 VAC source, but the results were the same. Note: My customer said this problem wasn't caused by a storm. He said, "the TV was turned off, then the next time someone tried to turn it on, it wouldn't go on." Did you have the same type of problem with this model TV? Thanks in advance, Brad Before you type your password, credit card number, etc., be sure there is no active key logger (spyware) in your PC. |
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