Wiring & Circuit Information 4-10
BB12 Audio Amplifier Board Assembly 04-12529.1
BB12
Audio Amplifier LED Indicator Table
Designation Location Function Color State Meaning
LED 1
(CR1)
Upper Center
Near C3
Fault
Indicator
Red Off Normal
Operation
On Locked Up
(Note 1)
Blinking Overload
(Note 2)
LED 2
(CR2)
Lower Center
Near U2 & U6
Fault
Indicator
Red Off Normal
Operation
On Locked Up
(Note 1)
Blinking Overload
(Note 2)
NOTES:
1. Active output protection circuit. Attempt to reset circuit by clearing fault and removing power.
2. Intermittent audio overload or overheating may cause blinking. LED should flash only during startup.
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