Brother International FAX 275 Service Manual - Page 67

(2) Attempt to lift up the main PCB slightly. If it is impossible to lift up the PCB to an extent which allows you to disconnect the harnesses, you may not have unhooked the power supply harness core or cutter HP sensor harness core from bosses "C" or "D," respectively. Remove the ROM cover (refer to Section 1.2) and unhook those cores from bosses "C" and "D" illustrated below. Boss "C" (Unhook the power supply harness core from here.) Power supply harness Cutter HP sensor harness (Rear) 0 L Motor harness -"\ r - - Main PCB CIS harness Electrolytic capacitor Boss "D" (Unhook the cutter HP sensor harness core from here.) Relay "F" Rib "E"1 Resistors Solenoid harness Recording head harness PE sensor actuator (3) Slightly lift up the rear edge of the main PCB and disconnect the following harnesses from the main PCB: • Cutter home position (HP) sensor harness (2-pin) • Main-panel harness (5-pin) • Main-mic harness (2-pin) • Speaker harness (2-pin) • Motor harness (6-pin) • Power supply harness (6-pin) • Solenoid harness (2-pin) • Recording head harness (12-pin) • CIS harness (7-pin) (4) Lift up the power supply PCB.