How to deal with the sound light fault of the sound equipment stage: the so-called sound light fault, refers to the audio signal in the amplification and transmission process, due to a lot of changes or in a certain link is attenuated, so that the gain of the amplifier is reduced or the output power is smaller. When overhaul, should check whether signal source and speaker box are normal above all, can be used replacement method to check. Then check the converter switches and control potentiometers to see if the volume turns up. If the above parts are normal, determine whether the fault is in the front or the rear circuit. For a sound channel light, the front circuit signal output can be input to the other channel of the rear circuit, if the sound size of the speaker is unchanged, the fault in the rear circuit; Conversely, the fault is in the front-stage circuit. The light sound caused by the posterior amplifier circuit is mainly due to insufficient output power and insufficient gain. It can be used to appropriately increase the input signal (for example, add the signal output by the power recorder to the speaker directly to the input end of the rear power amplifier circuit, change the volume of the power recorder, and observe the change of the power amplifier output) to judge which cause is caused.

Guangdong Wanchang Technology Industrial Co., Ltd. has 18 years of industry experience and perfect service system, from product consulting, engineering design, guidance and debugging, user training, maintenance, system upgrading and other links to form a professional service mode. Its independent brand JSL Jazz Dragon Sound has won the top ten professional sound expansion system (national) brands for 14 consecutive years. In the future, it will continue to focus on quality and innovation, inherit and carry forward the brand concept of "listen to the good voice, gather positive energy", and strive to create infinite space in the sound world.