In order to build a home theater system, in addition to a good acoustic environment, professional audio and video equipment is required. But do you think that only these are enough? The answer is of course NO. There is also a very important link, that is, the family. Theater audio wiring problem
(1) The distribution of the ground wire should be based on the current in the address. The mutually irrelevant current cannot use one ground wire, and the current allowed in one ground wire cannot be separated by the ground wire.
(2) If there are many grounding elements at each level in the actual circuit wiring, it is impossible to penetrate these components into one threading hole, but arrange the grounding element of this level as close as possible to a section of the common ground or An area can also draw grounded or grounded islands from the ground.
(3) There are some circuits that have both a small signal input and a large signal output, and usually the input and output are delivered by the panel. If the input and output have grounding points, they must be grounded to the common ground, but not a single ground.
(4) In the arrangement of high-power audio output stage, since the output power block and the filter electrolytic capacitor are large in size and need to be installed outside the board, the grounding point of these components should be the grounding element of the circuit in the board of this stage.
(5) The rationality of the ground wire layout determines whether the current in the ground wire flows through other circuits or components that are not related to this current.
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