if the FP series amplifier turns on, but the mute light flickers off and on.
That's the voltage regulator tubes problem. Just only replace them, the amplifier can work normally.
Please notice that:
1. Some tubes look similar, but they are actually different. (For example, 330K on the left and 390K on the right.) Kindly look carefully, they have different strip colors.
2. Some tubes have different directions.
3. Triode models are different.
4. If one of the tubes is not replaced correctly, the amplifier problem still has.
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Негізгі бет How to solve the mute light of fp10000q fp20000q amplifier flickers?
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