VI. Study & Conclusion
Essential basic requirements of excellent after service engineer
：
1. Have primary electronic knowledge, know common components and parts and their function
。
2. Can use multimeter expertly, distinguish components good or not by using multimeter
。
3. Know relationship of entire massage chair interior power supply conversion and supply
，
can lock the
problem in the smallest range quickly.
4. Know product all function unit drive, control and check relation of all parts
，
as all massage movements are
controlled by the program. Must detection first, then driver
。
5. Dare to do and to be careful
，
pay attention to the distinction between high voltage and low voltage, and the
protection of people’s personal safety, line insulation protection and so on. The product recovered should
have well-tended appearance and safe and reliable.
Summary of Contents for Ultimate Chiro
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