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Panasonic DVD A300MU type automatic shutdown fault repair method

Time£º2014-06-10 09:52:10  Source£ºNetwork  Author£ºUnknown  Clicks£º1213
  

The machine just machines properly, about 30 minutes after the stop, and the lights are off and the display, and gradually becomes less than 2 minutes after the power failure appears above.tgcservice manual download site

     Analysis of the problem lies in the power supply circuit, and resulting in poor thermal stability of some of the elements.tgcservice manual download site
The aircraft power supply circuit consists of thick blocks IC1101 and other components. When a fault occurs measure IC1101 (1) pin voltage is 295V, and subsection (2) pin voltage is 0V (normal should be 0.24V), illustrate the switching power supply has stopped vibrating. Then check the circuit R1021, R1022 and other components were not found problems start. Finally, the pin voltage measurement IC1101 other, found in subsection (6) pin voltage is 2.5V, while the normal should be about 0.5V. Focus on examination (6) feet and other peripheral components C1031 and R1012, yet unusual. Try one of the same model D1031 replacement pipe will test players, DVD players work to restore normal troubleshooting.tgcservice manual download site