Brother TD-4000 Service Manual page 42

(4) Remove the DC power PCB ASSY from the power supply ASSY.
NOTE: The power supply ASSY and DC power PCB ASSY are connected each
other with the pins. When disassembling the DC power PCB ASSY, be
careful not to bend the pins.
DC power PCB ASSY
Figure 3.4-18 Removing the DC Power PCB ASSY
(5) Disconnect the power supply harness from the power supply ASSY.
Figure 3.4-19 Removing the Power Supply Harness
Pins
Power supply PCB
Power supply harness
Power supply ASSY
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