Service and Parts Manual (2019, 2020, 2021, 2022)

38 PB
TROUBLESHOOTING
Product Does Not Operate At All
Figure 715
Product does not operate at all.
Power supply voltage check
Connector contact check
PCB assy check
Power input voltage on
driving load terminal.
Display PCB connector
Power transformer output voltage
Product input voltage
AC about 12±3V