Question about Hitachi 46F500 46" Rear Projection HDTV-Ready Television
If the the TV is shutting down now meaning it is going to protection mode and it is cause of high current due to short circuit.
Go back from the beging and double check if did not accideentally short anything when doing the voltage check, also check the horizontal out put thransistor if it's ok.
When changing convergence IC you should have check all the voltage before removing the old one to make that there is no open resistor or shorted diode ans so on, as you mention you got the service manual for it and if you are familiar with schematic diagram it will tell you pin by pin if how much voltage are present.
FYI - Convergence IC's has 2 votalges - negative and + possitive.
Posted on Mar 11, 2009
Did you check the resitors out of circuit? As its very rare when a Hitachi doesnt open at least two on the affected circuit. If you checked the resistors in circuit an open resitor will read good even though its actually open.
Posted on Jul 31, 2008
The fix is that Hitachi is a POS. It's kinda like a FORD product, found on road dead. There are problems all over the internet with Hitachi TV's. I ain't gonna give up on putting them down until they fix my 3 1/2 old TV with most of the problems you people are describing.
Posted on Oct 27, 2008
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