Sanyo STB1220C1 - Manual (Page 32)

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7. TROUBLESHOOTING
7-1. Check before and after troubleshooting
7-1-1. Check power supply.
● Check that voltage is in specified range (±10% of the rating).
● Check that power is being supplied.
7-1-2. Check lead wires and connectors.
● Check that coating of lead wires is not damaged.
● Check that lead wires and connectors are firmly connected.
● Check that wiring is correct.
WARNING
Hazardous voltage can cause ELECTRIC
SHOCK or DEATH. Disconnect power or turn
off circuit breaker before you start checking
or servicing.