CONTENTS
1.1.1 External Appearance ...........................................................................................................I-1
1.1.2 Keyboard .............................................................................................................................I-1
1.1.3 Display.................................................................................................................................I-1
1.1.4 Printing Mechanism.............................................................................................................I-2
1.1.5 Tape Cutter ..........................................................................................................................I-2
CHAPTER II THEORY OF OPERATION
2.1.1 Roller Holder ASSY Setting & Retracting Mechanism .................................................... II-1
2.1.2 Tape & Ribbon Feed Mechanism...................................................................................... II-2
2.1.3 Automatic Tape Cutter Mechanism................................................................................... II-4
2.1.4 Roller Holder ASSY & Cassette Cover Interlocking Mechanism .................................... II-5
2.2.1 Configuration..................................................................................................................... II-6
2.2.2 Main PCB .......................................................................................................................... II-8
[ 1 ] Block Diagram................................................................................................................. II-8
[ 2 ] Cassette Sensor................................................................................................................ II-9
CHAPTER IIIDISASSEMBLY & REASSEMBLY
[ 1 ] Removing the Tape Cassette and the Cassette Cover ASSY ......................................... III-3
[ 2 ] Removing the Battery Lid and the Dry Cells ................................................................. III-4
[ 3 ] Removing the Bottom Cover, the Blind Cover and the Battery Terminals.................... III-5
[ 4 ] Removing the Chassis ASSY ......................................................................................... III-7
[ 5 ] Disassembling the Chassis ASSY .................................................................................. III-9
[ 6 ] Removing the Power PCB ASSY ................................................................................ III-16
[ 7 ] Removing the Cassette PCB ASSY ............................................................................. III-17
[ 8 ] Removing the PCB Holder, the Main PCB ASSY and the LCD Module ASSY ........ III-18
[ 9 ] Removing the Frame Cover.......................................................................................... III-21
[ 10 ] Removing the Rubber 68 Key ...................................................................................... III-22
[ 11 ] Removing the LCD Panel............................................................................................. III-23
[ 12 ] Removing the Anti Static Brush................................................................................... III-24
[ 1 ] Installing the Anti Static Brush .................................................................................... III-25
[ 2 ] Installing the LCD Panel .............................................................................................. III-26
[ 3 ] Installing the Rubber 68 Key........................................................................................ III-27
[ 4 ] Installing the Frame Cover ........................................................................................... III-28
Summary of Contents for P-Touch PT-2730
Page 1: ...P touch SERVICE MANUAL MODEL PT 2730 ...
Page 7: ...I 3 Figure 1 1 2 Key Arrangement 1 PT 2730 USA ...
Page 8: ...I 4 Figure 1 1 3 Key Arrangement 2 PT 2730 UK ...
Page 9: ...I 5 Figure 1 1 4 Key Arrangement 3 PT 2730 DEU ...
Page 10: ...I 6 Figure 1 1 5 Key Arrangement 4 PT 2730 FRA ...
Page 78: ...III 58 Figure 3 3 27 Key Depressing Order ...
Page 84: ...III 64 3 4 Troubleshooting for the Test Mode 1 LCD Indication Check mode ...
Page 85: ...III 65 2 Cassette Sensor Switch Check mode ...
Page 86: ...III 66 ...
Page 87: ...III 67 3 Key Check mode ...
Page 88: ...III 68 4 Print Check mode 5 Cut Check mode ...
Page 89: ...III 69 ...
Page 90: ...III 70 6 Encode Reading Check mode ...
Page 93: ...IV 2 4 3 Troubleshooting Flows 1 Tape feeding failure ...
Page 94: ...IV 3 ...
Page 95: ...IV 4 2 Printing failure ...
Page 96: ...IV 5 ...
Page 97: ...IV 6 3 Powering failure Nothing appears on the LCD and the backlight does not light ...
Page 98: ...IV 7 ...
Page 99: ...IV 8 4 No key entry possible 5 Tape cutting failure ...
Page 100: ...IV 9 6 Interface port failure 7 LCD indication error or backlight error ...
Page 101: ...IV 10 8 Tape cassette type not identified ...
Page 102: ...A 1 APPENDIX 1 CIRCUIT DIAGRAMS Main PCB circuit diagram 1 2 ...
Page 103: ...A 2 Main PCB circuit diagram 2 2 ...
Page 104: ...A 3 Key PCB circuit diagram ...
Page 105: ...Sep 2010 SM PT037 ...