Grundig 22VLE4300 BA Service Manual page 61

Tp chassis / television
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TP CHASSIS / TELEVISION
The IC with 5V input has 1.25V output voltage. It is used in VCC1V25 DVB-T2
demodulator and 100 Hz Ursa integrated circuit. Max 1150 mA current is drawn from
IC604.
IC605, IC-SMD TPS54226RGTR QFN T&R, VCC3V3_ST Step Down Converter
IC605 is the step-down converter that creates VCC3V3_ST voltage from 5V2_ST
voltage. IC605 is the only integrated circuit which starts from Stand- By mode. Max
800mA is drawn from this integrated circuit.
IC606, IC-SMD TPS54226RGTR QFN T&R, 5V_USB Supply
61
September 2011

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