- #14 [daniel0321], 21-01-13 12:55部AV amp 無接駁電視
- #13 [國大代表], 21-01-13 09:42你部AV amp 無接駁電親嗎?有,你試試移除電視天線睇睇
- #12 [daniel0321], 21-01-12 17:26https://www.psaudio.com/ps_how/how-to-find-and-fix-hum/
情況好似咁
120Hz hum/buzz typical of ground loop problems. -
- #11 [mcc2018], 21-01-12 17:20Check if your mains plug is grounded with the chassis, try disconnect as shown below. Make sure the source end is properly grounded for safety.
- #10 [daniel0321], 21-01-12 17:14mcc2018 -> You have ground loop problem between av amp & power amp.
可以點解決? - #9 [mcc2018], 21-01-12 17:06You have ground loop problem between av amp & power amp.
- #8 [daniel0321], 21-01-12 16:48但AV amp 前置pre-out 去 合併機 AV bypass 冇事,冇電流聲,點解呢???
- #7 [gorgeous], 21-01-12 15:14AV amp 係冇插到任何天線 ---> 但你的天線looping是相通的, 所以甩開天線問題就可解決
- #6 [onecue147], 21-01-12 15:03
- #5 [daniel0321], 21-01-12 14:56部AV amp 插 RCA 去 power amp,AV amp 冇著機,只係Standby mode 都已經聽到有好大電流聲,
部AV amp 係冇插到任何天線同HDMI,只有RCA 去 power amp - #4 [254mm], 21-01-12 14:31地迴路引起hum 声,amplifier 駁 AV 好易有 hum 声,尤其駁左 TV, 好多時个訊号會帶电,引起 hum 声。
- #3 [gorgeous], 21-01-12 14:10多數是天線問題,你試下甩開天線,如果無左電流聲,去買個天線 Isolator 就可解決
- #2 [onecue147], 21-01-12 13:46Do you have any LED light turn on when you hear the hum noise? If yes, try to turn off all LED light.
- #1 [daniel0321], 21-01-12 12:43如題,唔知點解決,請大家幫忙!!!
AV amp (denon avc-x6700h)前置pre-out 去 power amp 有好大電流聲,(試過換唔同既RCA,試過換唔同電源線,試過電源分開拖板插都唔得)
AV amp 前置pre-out 去 合併機 AV bypass 冇事,
合併機 pre-out 去 power amp 都冇事
所以AV amp 同 power amp都應該冇問題 - 返回 ...