II - 8
2.2.2 Main PCB
[ 1 ] Block Diagram
Fig. 2.2-2 shows a block diagram of the main PCB. The main PCB consists of the
following:
Figure 2.2-2 Block Diagram of Main PCB
■
CPU
■
Oscillation circuit
■
Flash ROM
■
Reset circuit
■
Power ON/OFF circuit and power saving circuit
■
LCD control circuit
■
Feed motor driver circuit
■
USB interface circuit
■
Cutter motor driver circuit
■
Backlight control circuit
■
Thermal head driver circuit
■
Encode circuit
■
Voltage detector circuit and temperature sensor circuit
■
AC adapter detector circuit
■
Cassette sensor
■
Key board
■
Cutter sensor circuit
LCD: 128x48 dots
FULL GRAPHICS
LCD interface circuit
Baxklight control circuit
ROM 64Mb (16 bit bus)
Thermal head driver circuit
Power supply voltage
detector circuit
Intermediate battery voltage
detector circuit
Environment temperature
detector circuit
RTC circuit (Oscilattion circuit)
Cutter sensor
Cassette sensor
Key board
[ON/OFF] key
Power supply circuit
AC adapter detector circuit
Oscilattion circuit
Reset circuit
DC motor control circuit
DC motor control circuit
USB interface circuit
CPU
V850ES/ST2
Internal memory
ROM: N/A
RAM: 48K byte
Tape feed motor
Encorde
Cutter motor
Thermal head
180dpi, 128dots
Содержание P-Touch PT-2730
Страница 1: ...P touch SERVICE MANUAL MODEL PT 2730 ...
Страница 7: ...I 3 Figure 1 1 2 Key Arrangement 1 PT 2730 USA ...
Страница 8: ...I 4 Figure 1 1 3 Key Arrangement 2 PT 2730 UK ...
Страница 9: ...I 5 Figure 1 1 4 Key Arrangement 3 PT 2730 DEU ...
Страница 10: ...I 6 Figure 1 1 5 Key Arrangement 4 PT 2730 FRA ...
Страница 78: ...III 58 Figure 3 3 27 Key Depressing Order ...
Страница 84: ...III 64 3 4 Troubleshooting for the Test Mode 1 LCD Indication Check mode ...
Страница 85: ...III 65 2 Cassette Sensor Switch Check mode ...
Страница 86: ...III 66 ...
Страница 87: ...III 67 3 Key Check mode ...
Страница 88: ...III 68 4 Print Check mode 5 Cut Check mode ...
Страница 89: ...III 69 ...
Страница 90: ...III 70 6 Encode Reading Check mode ...
Страница 93: ...IV 2 4 3 Troubleshooting Flows 1 Tape feeding failure ...
Страница 94: ...IV 3 ...
Страница 95: ...IV 4 2 Printing failure ...
Страница 96: ...IV 5 ...
Страница 97: ...IV 6 3 Powering failure Nothing appears on the LCD and the backlight does not light ...
Страница 98: ...IV 7 ...
Страница 99: ...IV 8 4 No key entry possible 5 Tape cutting failure ...
Страница 100: ...IV 9 6 Interface port failure 7 LCD indication error or backlight error ...
Страница 101: ...IV 10 8 Tape cassette type not identified ...
Страница 102: ...A 1 APPENDIX 1 CIRCUIT DIAGRAMS Main PCB circuit diagram 1 2 ...
Страница 103: ...A 2 Main PCB circuit diagram 2 2 ...
Страница 104: ...A 3 Key PCB circuit diagram ...
Страница 105: ...Sep 2010 SM PT037 ...