Power Board - Samsung WS32Z30HEAXBWT Service Manual

PCB Diagram

9-3 Power Board

9-3-1 Assy Power Board
CN803
■ The Assy Power Board supplies DC power. This supplies power to the System and the Deflection Board.
9-3-2 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.
9-6
CN804
Samsung Electronics