Panasonic television User Manual

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STB5V/STB3.3V Distribution
The STB5V is connected to the D and A boards. During standby, this voltage is not used by the D board. On the A 
board, the STB5V is applied to a 3.3V regulator (IC5604) to generate the STB3.3V to power the MAIN MICON 
Genx4 (IC1100). The STB3.3V is also connected to the remote receiver IC and the power LED on the K board.
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