Question:

TOSHIBA 50H71 Troubleshooting?

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After replacing the deflection amplifiers on the tv, how do i reset the tv to get rid of the blinking red light when trying to start the tv?

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  1. You replaced the convergence amp ICs? and set still dead?  There are jumper wires near the edge of the circuit board (1-2 inches from Amp ICs)  that get really bad connections on them that kill the amp ICs because you lose the +/- 17vdc.  Solder those first then check the pico fuses in the power supply.  The imbalance blows the fuse which also supplies the vertical output IC therefore the set will not fire up.

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