Hitachi LE42S704 Support Question
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Question posted by hidden1 on April 2nd, 2012
Pico Fuse On Ultravision
Current Answers
Answer #1: Posted by TVDan on April 3rd, 2012 10:42 PM
Without the model number I can only generalize about why this fuse blows. It feeds the voltage to both the horizontal deflection and the high voltage section. With a meter you can determine which of the outputs are shorted. Then the tricky part is to determine what failed to make this circuit to short out (causing the fuse to open) Many times if the high voltage section is shorted, one of the CRTs or fly back transformer caused it. If the horizontal deflection output transistor is shorted then it could be one of the yokes, capacitors, diode or pin-cushion circuit.
Essentially, you should have a technician help to diagnose. expect the labor to be around $250 (in shop cost) plus parts
TV Dan
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