Names & Roles of Key Parts
- CN401 : This is a 28 pin port connected to the System Board, and supplies 33V, 15V, 9V, 5V and 3.3V power to the System Board.
- CN402 : This is a 14 pin port connected to the Power Board, is supplied with 145V and 15V power by the Power Board and receives the power ON/OFF signal.
- CN403 : This is a 10 pin port connected to the CRT Ass'y, and supplies power for the CRT and R/G/B signal amplifying AMP.
- CN301 : This is a 4 pin port connected to the DY, and supplies voltage for CRT R/G/B.
- GT101 : This is a ground port to prevent high voltage due to lightning, and is connected to the Power Board.
VOLTAGE CHARTS
CN401- Connected to the System Board
CN402 - Connected to the Power board
CN403 - Connected to the CRT Ass'y
POWER BOARD
Names & Roles of Key Parts
- CN804 : This is a 14 pin port connected to the Deflection Board, and supplies 142V and 15V voltage and the power on and off signals to the Deflection Board.
- CN803 : This is a 24 pin port connected to the System Board, and supplies ST-BY 5V, 15V and 7.5V voltage and the S-Mute signal, to prevent a Sound Pop-Noise which is generated when turning the master power OFF, to the System Board. It receives the Relay, Power and 1080i signals from the System Board.
- GT807 : This is a port for countermeasures against compulsory discharges and is connected to the CRT Board.
- GT804 : This is a ground port to prevent high voltage due to lightning and is connected to the Deflection Board.
- CN802 : This is a 3 pin port connected to the AC power cable. It is connected to the power cable socket.
- GT805, GT806 : This is a port connected to the D-Coil surrounding the CRT.
CONNECTOR VOLTAGES
CN - 803. Supplies Power to the System Board
CN804 - Supplies Power to the Deflection Board
