Contents
1. Precaution
1-1 Safety Precautions ...........................................................................................1-1
1-2 Servicing Precautions ......................................................................................
1-3
1-3 Precautions for Electrostatically Sensitive Devices (ESDs) .............................
1-4
2. Product Specification
2-1 Product Feature ...............................................................................................2-1
2-2 Specifications ...................................................................................................
2-2
2-3 Specifications Analysis .....................................................................................
2-3
2-4 Accessories ......................................................................................................
2-4
3. Disassembly & Reassembly
3-1 Overall Disassembly & Reassembly ................................................................3-1
4. Troubleshooting
4-1 Checkpoints by Error Mode..............................................................................4-1
4-2 Measures to be taken when the Protection Circuit operates ...........................
4-15
4-3 Initialization & Update .....................................................................................
4-17
5. Exploded View & Part List
5-1 Exploded View .................................................................................................5-1
5-2 Speaker System ...............................................................................................
5-3
5-3 Electrical Part List ............................................................................................
5-4
6. PCB Diagram
6-1 Wiring Diagram ................................................................................................6-1
6-2 VFD PCB Top ...................................................................................................
6-2
6-3 VFD PCB Bottom .............................................................................................
6-3
6-4 KEY PCB Top ...................................................................................................
6-4
6-5 KEY PCB Bottom .............................................................................................
6-5
6-6 MAIN PCB Top .................................................................................................
6-6
6-7 MAIN PCB Bottom ...........................................................................................
6-9
6-8 SMPS PCB Top ................................................................................................
6-11
6-9 SMPS PCB Bottom ..........................................................................................
6-13