Brother PT-1090 Service Manual page 43

(6) Solder the two cutter sensor ASSY leads to the main PCB ASSY.
NOTE: Check the wire ID colors as shown below and keep solder within the
specified soldering points.
(7) Insert the positioning hole "a" of the cutter sensor ASSY into the pin of the upper
cover, and align the boss of the cutter sensor ASSY with the positioning hole "b"
of the upper cover and set it.
(8) Pass the cutter sensor ASSY leads through the three guide grooves of the upper
cover.
(9) Set the SW hold plate to the upper cover with the one screw.
Screw
"a"
Pin
"b"
Main PCB ASSY
Upper cover
SW hold plate
Cutter sensor
ASSY
Boss
Figure 3.1-21 Installing the Cutter Sensor ASSY
III - 21
Soldering the cutter
sensor leads
Cutter sensor leads
Cutter sensor
PCB ASSY leads
Cutter sensor ASSY
Red
Black
Cutter sensor
PCB ASSY
leads
Guide
grooves