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6.3 DC/DC Converters
The on-board DC/DC converters deliver the following voltages(depending on set execution):
• +5V, permanent voltage for the Stand-by Power system
• +3V3-STANDBY,voltage for IR/Key board
• +12V, input from the power supply for the panel common(active mode)
• +12V-AUDIO1 for the AUDIO AMP
• +1V8(AS1117-18))-EMMC, +V-EMMC-IO, voltage for EMMC when TV on
• +1V5-DDR, voltage for DDR in main chip
• TUNER_3V3(AS1117-33), supply voltage for tuner
• +5V-SW, input intermediate supply voltage for USB Power,-WIFI,voltage for WIFI
• +1.2VA_T2(MSH61110A1), +1.2V_T2 voltage for DTMB.
• +1V2A(MSH61110A), supply voltage for MSD6A638
6.3.1 Power tree
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