Question about Hitachi Televison & Video
If the remote controlled outlet caused a power surge, this may have damaged the PSU.
As a matter of fact, if the TV shuts down completely after clicking instead of going to forced standby (protect mode), then the part damaged is either PSU or protection circuit.
The TV first test is done visually inspecting the PSU. See if you spot any bulged capacitor or blown component. If there is none the PSU must be tested. Read impedance in resistors, starting from the AC section (near power cord). In the AC section there should also be a Zener, in case test it using the diode tester function of the multimeter. Test power cord and soldering joints for continuity (read Ohms to see if they are open). If the AC section is OK, check if there is any voltage in the DC/DC section (you must have technical training to do safely the tests mentioned).In DC/DC section check 10 and 16V. If TV is not in standby, then there is no +5V. If all voltages come on and TV shuts down check the protection circuit. This is tested following instructions on service manual. As an example check the diagram at page 34 of the service manual for a similar model, available for free at the link below.
Hitachi Rear Projection
The manual for your specific model is available for purchase here:Hitachi 50ux19k Service Manual - Service Manuals, User manuals ...
Posted on May 24, 2011
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Posted on Jan 02, 2017
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