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If DC offset, over-current, over-heat, trouble in main transformer is detected, FLD shows below.
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O
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C
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* If a trouble is detected upon power on, CPU turns off the speaker relay. And if the trouble is not recovered within 2
seconds, CPU turns the unit into stand-by. If DC offset or over-current is detected on power on status, the speaker
relay is turned off, and if over-heat, trouble in main transformer is detected, the unit turns into stand-by immediately.
8. Trouble in Power Amplifier (2)
If a trouble in ±B power supply or ±18V power supply is detected, the unit behaves like the followings.
1) If a trouble is detected upon power on and the trouble is not recovered within 2 seconds, the unit turns into stand-by.
2) If a trouble is detected in power on status, the unit turns into stand-by immediately.
7. Trouble in Power Amplifier (1)
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