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NV-55BX4 refuses to turn on with convergence amp plugged.

J

Jason D.

Jan 1, 1970
0
Stays in standby, press button, for few seconds red LED modulates
quickly then stay red. Without convergance board plugged in (power
plug), the set comes up and power led changes to green. Set operates
normally but refuses to come up with convergence's board power supply
plugged in.

Till I unplug the one plug for the power (+ and -) then set starts.
Checked rest of board for shorts, not found and even changed all three
STK4274 IC modules on their big heatsinks.

Help?

Cheers,

Wizard
 
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