Brother PT-2300 Service Manual page 16

CHAPTER II MECHANISMS.............................................................................. II-1
2.1 THEORY OF OPERATION ................................................................................... II-1
2.1.1 Print Mechanism ............................................................................................ II-1
2.1.2 Roller Holder ASSY Setting & Retracting Mechanism..................................... II-3
2.1.3 Tape & Ribbon Feed Mechanism.................................................................... II-4
2.1.4 Automatic Tape Cutter Mechanism................................................................. II-6
2.1.5 Roller Holder ASSY & Cassette Cover Interlocking Mechanism...................... II-7
2.2 DISASSEMBLY & REASSEMBLY......................................................................... II-8
2.2.1 Disassembly Procedure.................................................................................. II-8
[ 1 ] Removing the Battery Lid and Batteries....................................................... II-8
[ 2 ] Removing the Tape Cassette and Tape Separator Stick.............................. II-9
[ 3 ] Removing the Bottom Cover ....................................................................... II-10
[ 4 ] Removing the Cassette Cover, Chassis ASSY and Shield Plate.................. II-12
[ 5 ] Removing the Main PCB and Rubber Key Pad............................................ II-18
[ 6 ] Removing the Switch ASSY ........................................................................ II-20
[ 7 ] Removing the Blind Cover........................................................................... II-20
[ 8 ] Removing the Power Supply PCB ............................................................... II-21
[ 9 ] Removing the Battery Terminals ................................................................. II-22
2.2.2 Reassembly Procedure .................................................................................. II-23
[ 1 ] Installing the Battery Terminals ................................................................... II-23
[ 2 ] Installing the Power Supply PCB ................................................................. II-24
[ 3 ] Installing the Blind Cover............................................................................. II-26
[ 4 ] Installing the Switch ASSY .......................................................................... II-26
[ 5 ] Installing the Rubber Key Pad ..................................................................... II-27
[ 6 ] Installing the Main PCB ............................................................................... II-28
[ 7 ] Installing the Chassis ASSY and Shield Plate .............................................. II-29
[ 8 ] Installing the Bottom Cover ......................................................................... II-34
[ 9 ] Installing the Cassette Cover ....................................................................... II-36
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