Question about Hitachi 55PMA550 55 in. HD-Ready Plasma Television
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Posted on Jan 02, 2017
SOURCE: I have a hitachi 55pma550
It's most likely the smps. You'll first need to check voltages at CN63, pin #1-(+5v), 3-(+3.3v) and pin 8-(+6v) Also check CNPPS, pin 1-(+30v), 4-(+5v), 8-(+12v), 12-(+10v) absent these values and the power supply is clearly the problem.
Posted on Jun 30, 2011
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