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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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PTK169 tuner problems
I have a PTK169 that has some serious tuner problems. Im wondering if the
tuner is bad or not. if you manually use the remote to put in the channel, the channel will come in on either A or B, but is very snowy on the lower end. upper end is slightly snowy. When you try to do a autoprogram, it will set the tuner to A and air from cable. and the only channel that programs in is 91. the rest are rejected. If manually tuned, its ok. I read somewhere that C4143k will leak and damage traces, so i pulled the cap, and see no damage or leakage. I replaced it anyway, with absolutely no change. I checked the 33V test point, and it shows 33.2v. any ideas? |
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