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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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20" Mitsubishi tv model:CS-20SX1
20" Mitsubishi stereo (with audio ouput jacks)tv
model:CS-20SX1,year:Aug 1992.Originally the tv would shut off once a week then once a day then every few hours now the tv shuts off 2 seconds after turn on.There is hv during those two seconds but no raster and the flyback seems to make a slightly different noise,I don't have a flyback tester so I will try to use the technique at: http://www.iwaynet.net/~nesda/flypoor.html and by removing the HOT transistor and placing a 100 watt lamp between collector pin and ground and see if the power supply is fine. I would like to know what the culprit would be,also a this tv had the following parts replaced by another repair shop a week ago: C909 C908 C515=3300 Uf,16V C516=3.3 Uf,25V R531=470 ohms,2W Also I would like to know the generic,Mitsusbishi and other OEM part #'s for IC3A3 which is a 10 pin audio IC taken by the prior repair shop. To familiarize you with this chassis it uses the following parts: Flyback # 334P21001 (location: T551),Asti Magnetics # 2944 http://www.astimag.com Yoke # 330P15203 Q503=2SD1879 IC401=LA7837 Thanks in advance Sidney Dartmouth,Nova Scotia |
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