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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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#1
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Tektronix 2236 , Won't power up , makes sounds .
Hey all ,
Well the power supply schema is similar to 2215, pretty much any 22XX . when i turn on the scope it makes high pitches noise in a rate of about one sec , tsk.....tsk.....tsk.... the line filter is ok , diode bridge is good . what could be the problem ? something shorts the PS . |
#2
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Tektronix 2236 , Won't power up , makes sounds .
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#3
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Tektronix 2236 , Won't power up , makes sounds .
well i fixed it , it was one of the Transistors (Q939) , shorted the
PS , also the fan was dead ... i guess the stuck fan overloaded the PS , so i replaced the fan too . thanks . |
#4
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Tektronix 2236 , Won't power up , makes sounds .
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