Power Consumption; Microcontroller Port Configuration - Hitachi L19DP03C Service Manual

There are three PWM output ports. PWM0 is assigned to analog/digital dimming control for the backlight,
PWM1 is used for backlight on/off and panel logic power supply on/off control and PWM2 is used to
control PC/HDMI switch IC (PI5V512).

3 POWER CONSUMPTION

The power block diagram with the currents drawn is shown below:

4 MICROCONTROLLER PORT CONFIGURATION

PIN PORT SIGNAL NAME
NO NAME
47 P10 MST_RESET
PROTECT
48 P11 TV_RXD
49 P12 TV_TXD
50 P13 IRQ
51 P14 KEY
52 P15 SC_PIN8
53 P16 DVD_IR_ON/OFF
54 P17 POWCON
TYPE FUNCTION
O Scaler reset
I Short circuit detection
I IDTV UART receive signal
O IDTV UART transmit signal
O IDTV interrupt request signal
I Keyboard function select
I Scart function select
O DVD infrared signal on/off control
O Standby on/off control
6