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#1
 
03-07-2009, 06:32 PM
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Hi All, This had nothing to do with CNC electronics, but I have a Zytec Power Supply (22917399) died on my Tektronix DSO (Model TDS340). Fortunely i do have adequate troubleshoot and repair skills to determine the power resistor on component R17 was open circuit. However, the component does not have any specifications i.e. no values on the body. Does anybody on this planet know the value? If so, please advice. If not, can someone PLEASE suggest a sound and safeway to estimate the value? I believe looking at the PCB, the damaged resistor was sitting as a collector load for a NPN transistor (part #- TIP50). If more info is required, please advice. Thanks in advance for all the advice and opinions!  |
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