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Sharp XV-310P LCD projector lamp is not lit, no picture fault repair method

Time£º2014-01-27 08:57:17  Source£ºNetwork  Author£ºUnknown  Clicks£º1239

 Measuring the voltage across C1724 is 300V normal, but the voltage across C1721 is 0V, the normal value should be 200V, determine fault in the chopper circuit. Detected D1704 breakdown, FB1703 blown. Replace the D1704, FB1703 after troubleshooting.X4tservice manual download site