III-2
3.2
MAIN PCB
3.2.1
Main PCB Block Diagram
Fig. 3.2-1 shows the Main PCB block diagram. The PCB consists of the following:
(1)
CPU (including a ROM, RAM, and LCD control)
(2)
Key contacts matrix, solder points (specification switching-over circuit) and jog dial (PT-
1250/1160 only).
(3)
Power On/Off circuit and power saving circuit
(4)
Motor control circuit
(5)
Thermal head drive circuit
(6)
Voltage detection circuit and temperature sensor circuit
(7)
Oscillation circuit
(8)
Reset circuit
(9)
Power supply circuit
(10)
Cassette sensor circuit
Fig. 3.2-1 Main PCB Block Diagram
Содержание P-touch PT-1100
Страница 2: ...SERVICE MANUAL MODEL PT 1100 1130 1170 1180 11Q PT 1250 1160 ST 1150 Heavy Duty LabelerTM ...
Страница 5: ...CHAPTER I SPECIFICATIONS ...
Страница 9: ...I 3 Fig 1 1 2 Key Arrangement 1 ...
Страница 10: ...I 4 Fig 1 1 2 Key Arrangement 2 ...
Страница 11: ...I 5 Fig 1 1 2 Key Arrangement 3 ...
Страница 13: ...CHAPTER II MECHANISMS ...
Страница 50: ...35 II 2 3 4 Troubleshooting Flows 1 Tape feeding failure ...
Страница 51: ...36 II ...
Страница 52: ...37 II 2 Printing failure ...
Страница 53: ...38 II ...
Страница 54: ...39 II 3 Powering failure Nothing appears on the LCD ...
Страница 55: ...40 II 4 No key entry possible ...
Страница 56: ...CHAPTER III ELECTRONICS ...
Страница 75: ...III 17 3 3 3 Troubleshooting Flows 1 Tape feeding failure 2 Printing failure ...
Страница 76: ...III 18 3 Powering failure Nothing appears on the LCD ...
Страница 77: ...III 19 4 Abnormal LCD indication ...
Страница 78: ...III 20 5 No key entry possible 6 Tape cassette type not identified ...
Страница 80: ......
Страница 81: ......
Страница 82: ......
Страница 83: ...Jan 2002 8V2010BE1 Printed in Japan ...