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Question:

TV set-top box no problem, the signal shows normal, the TV shows no signal

Voice master equipment within the patch panel type / quantity; data between the main equipment within the patch panel type / quantity; related jumper type / quantity; problem added: you expert help out! The The More

Answer:

General: light line used as a line of fire (phase line) dark line used as a zero line yellow-green two-color line is designed for grounding. BV1.. BV2.. BV4-6 refers to the cross section of the line square (how much can withstand the current)
Under normal circumstances is a light line for the line of fire (phase line); dark line for the zero line; yellow and green color line is specifically for the ground line.
When the TV is not careful to plug in the TV screen line plug to get rid of, and is broken in the TV which can not pull out, so give up plug AV

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