Brother PT-1900 Service Manual page 59

(PT-1850)
DC motor harness
"A"
Switch ASSY
harness
Red Black
DC motor
harness
+
-
Switch ASSY harness
DC motor harness
DC motor harness
Head cable
Cutter sensor harness
"A"
Main PCB unit
Main frame ASSY
Head cable
Fig. 3.2-11 Installing the Main Frame ASSY (1) (PT-1850)
Switch ASSY harness
III-31
Screws
Main frame ASSY
Cutter lever
Upper cover
Cutter sensor
Cutter sensor harness
Power supply harness
Main PCB unit
Cutter lever