Brother PT-1900 Service Manual page 34

(5) Separate the bottom cover from the upper cover.
(6) Open the bottom cover to the left as shown below.
(7) Discharge the condenser (C1) on the main PCB unit with tool like a flat screwdriver.
(8) Disconnect the power supply harness from the main PCB unit.
(9) Remove the screw that secures the grounding wire to the main frame ASSY.
(PT-1900/1910)
Power supply harness
(PT-1850)
Power supply harness
Note: Check that the lower feet are tightly attached to the bottom cover without any gaps,
peeling-off, or overreaching.
Main PCB unit
Upper cover
Main PCB unit
Upper cover
Fig. 3.1-6 Removing the Bottom Cover (2)
III-6
Bottom cover
Screw
Grounding wire
(Front)
Bottom cover
Screw
Grounding wire
(Front)
Condenser (C1)
Flat screwdriver
Main PCB unit
Condenser (C1)
Flat screwdriver
Main PCB unit