Samsung 2220WM Service Manual - Page 41

Circuit Descriptions

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12 Circuit Descriptions 12-1 Overall Block Structure 12-1-1 Power Tree 1. When the AD board is in DPMS state: 1.1 The IP has been designed so that it operates with a power consumption of less than 0.8W of. 1.2 The Scaler consumes power up to 37mA 1.3 The power to the panel is switched off 2. When the AD board is operating normally: 2.1 The maximum power consumption of the panel lamps is described below (It may vary depending on the panel manufacturer) INL: 4*(7.0mA*680Vrms)=4* 4.76W=19W CMO: 4*(7.0mA*775Vrms)=4* 5.43W=21.7W 2.2 The power consumption of the Panel Control board is as follows: 5V*700mA=3.50W 2.3 The power consumption of the Scaler is as follows: 3.3V*274mA + 1.8V*145mA = 1.24W 42

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12 Circuit Descriptions
12-1 Overall Block Structure
12-1-1 Power Tree
1. When the AD board is in DPMS state:
1.1 The IP has been designed so that it operates with a power consumption of less than 0.8W of.
1.2 The Scaler consumes power up to 37mA
1.3 The power to the panel is switched off
2. When the AD board is operating normally:
2.1 The maximum power consumption of the panel lamps is described below (It may vary depending on
the panel manufacturer)
INL: 4*(7.0mA*680Vrms)=4* 4.76W=19W
CMO: 4*(7.0mA*775Vrms)=4* 5.43W=21.7W
2.2 The power consumption of the Panel Control board is as follows: 5V*700mA=3.50W
2.3 The power consumption of the Scaler is as follows: 3.3V*274mA + 1.8V*145mA = 1.24W