ISHIDA BC-300 - Page 2

BC-3000 • Service Manual • Rev. 1 Contents - i
Contents
HARDWARE SECTION
1. INTRODUCTION ................................................................................................. 1-1
1.1 Main Components .................................................................................................. 1-1
1.2 Characteristics ........................................................................................................ 1-2
2. SET UP................................................................................................................ 2-1
2.1 Parts Check ............................................................................................................ 2-1
2.2 Installation Site Check ............................................................................................ 2-1
2.3 Assembly ................................................................................................................ 2-1
2.4 Set Up Sequence ................................................................................................... 2-2
3. PARTS DISASSEMBLY & REPLACEMENT ...................................................... 3-1
3.1 Disassembly View and Part Names ....................................................................... 3-1
3.2 Upper Cover Removal ............................................................................................ 3-3
3.3 Circuit Board Replacement..................................................................................... 3-6
3.4 Display Unit Replacement ...................................................................................... 3-7
3.5 Load Cell Replacement .......................................................................................... 3-8
4. ELECTRONIC CONFIGURATIONS.................................................................... 4-1
4.1 Connector Configuration......................................................................................... 4-1
4.2 Power Unit .............................................................................................................. 4-2
4.3 Main Board (P-864) ................................................................................................ 4-3
4.4 A/D Board (P-830) .................................................................................................. 4-5
4.5 Keyboard ................................................................................................................ 4-5
4.6 Display Unit (P-856) ............................................................................................... 4-6
4.7 DC/DC Converter ................................................................................................... 4-7
4.8 Connector Bracket .................................................................................................. 4-7
4.9 Label Sensor .......................................................................................................... 4-8
5. THERMAL HEAD ................................................................................................ 5-1
5.1 Overview................................................................................................................. 5-1
5.2 Specifications ......................................................................................................... 5-1
5.3 Thermal Head Adjustment ...................................................................................... 5-2
5.4 Thermal Head Cleaning.......................................................................................... 5-3
5.5 Other Adjustments (Label sensor) .......................................................................... 5-3
6. TROUBLESHOOTING ........................................................................................ 6-1
6.1 Periodic Parts Replacement (MTBF*) .................................................................... 6-1
6.2 Malfunction Troubleshooting Chart ......................................................................... 6-2
6.3 Error Messages ...................................................................................................... 6-3