File name 20060428102249265_s64a_p_pcb_9_165.pdf
9. PCB Diagram
9-1 Main Board
9-1-1 Assy Main Board
The System Board that Controls Various Signals for Video Signal Processing and Product Operations
9-1-2 Names & Roles of Key Parts
CN601 : This is a 4 pin port connected to the Speaker, and sends the signal from the AMP to the speakers.
CN403 : This is a 8 pin port connected to the CRT Board and supplies 200V, +16V, -16V and Heater voltage.
GT804 : This is a ground port to prevent high voltage due to lighting.
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.
Samsung Electronics 9-1
9-1-3 Main Board Connector Pin
Connected to the CRT Board Connected to the Speaker Port
PIN No. Pin Name PIN No. Pin Name
1 200V 1 R+
2 NC 2 R-
3 Heater 3 L+
4 GND 4 L-
9-2 Samsung Electronics
9-2 Feature Box Board
9-2-1 Assy Feature Box Board
This controls the path of the electron beams from the CRT electron guns using the deflection coil.
9-2-2 Names & Roles of Key Parts
* CN07 : This is a 14 pin port connected to the CRT Assy's, and outputs final R/G/B signals to the CRT Ass'y.
In addition, it outputs the Tilt, VM, and Power signals for the CRT Drive.
* CN05 : This is a 4 pin port connected to the Control Ass'y, and receives TV/Video, Menu, Ch Up/Down and Vol -/+ signals.
* CN03 : This is a 8 pin port connected to the Side AV, and receives S-Video2 and AV4 external inputs.
Samsung Electronics 9-3
9-2-3 Feature Box Board Connector Pin
CN07 CN05 CN03
Connected to the CRT Ass'y Connected to the Control Ass'y Connected to the Side AV Port
PIN No. Pin Name PIN No.