Mitsubishi DPLUS 74SB -BKA Service Manual page 44

CRT BOARD
1. Five terminals are removed, and six solder is removed.
terminals solder
2. Disconnect the connectors "S201", "S202", "S203" and "GND".
3. Unsolder the wires "White wire", "Red wire" and "Gray wire".
GND S202 S201 S203
Gray wire White wire Red wire
3-2