Brother P-touch 65 Service Manual page 12

CHAPTER II. MECHANISMS
2.1 THEORY OF OPERATION .................................................................................................. II-1
2.1.1 Print Mechanism...................................................................................................... II-1
2.1.2 Platen Setting & Retracting Mechanism .................................................................. II-2
2.1.3 Tape Feed Mechanism............................................................................................ II-3
2.1.4 Tape Cutter Mechanism .......................................................................................... II-4
2.1.5 Cutter Safety Lock Mechanism................................................................................ II-5
2.2 DISASSEMBLY & REASSEMBLY........................................................................................ II-6
2.2.1 Disassembly Procedure........................................................................................... II-7
[ 1 ] Removing the Cassette Cover, Dry Cells, Tape Cassette, and Cutter Unit............. II-7
[ 2 ] Removing the Chassis ASSY.................................................................................. II-8
[ 3 ] Removing the Sub PCB*, Main PCB, and Rubber Key Pad ................................. II-11
[ 4 ] Taking out the - and + Terminal ASSYs 65, +/- Terminals P1 and P3,
and Battery Terminals P2 ..................................................................................... II-12
[ 5 ] Unsoldering the + and - Terminal ASSYs 65 and Sub PCB Leads*
from the Main PCB................................................................................................ II-14
2.2.2 Reassembly Procedure ......................................................................................... II-15
[ 1 ] Soldering the Sub PCB Leads* and + and - Terminal ASSYs 65
onto the Main PCB................................................................................................ II-15
[ 2 ] Setting the Battery Terminals P2, +/- Terminals P3 and P1,
and + and - Terminal ASSYs 65 .......................................................................... II-16
[ 3 ] Installing the Rubber Key Pad, Main PCB, and Sub PCB* ................................... II-17
[ 4 ] Installing the Chassis ASSY.................................................................................. II-18
[ 5 ] Setting the Cutter Unit, Tape Cassette, Dry Cells, and Cassette Cover ............... II-21
[ 6 ] Demonstration Print and Final Check ................................................................... II-22
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