[求助]舊擴大機左聲道破音...Why!?

[amickey221]

日前小弟從家父那裡挖出了一台30年前家父考大學時買的LP唱盤跟一台擴大機和一組小音響
經過小弟整修以後終於可以把音響接上了
然而卻發現左聲道破音
只要音悅聲音大一點和低音多一點就會破
小弟互換過喇叭證實破音非喇叭造成而是線路問題
小弟也已經把擴大機其他功能如收音機全數拆除
只留下擴大機功用來用RCA外接iPod
然而在下僅是一枚高中生看不懂電路板
所以不確定到底是哪個晶片or電容or錫焊有問題
希望有經驗的前輩可以指導一下為何會如此
如果用好了小弟就有一組個人音響囉

[rackinghengxin]

So good! I would be honored to be a part of your brainstorming team and support you! I firmly believe your proposals will draw huge amounts of attention from the public! Pallet Racking

[amickey221]

Help...

誰可以幫幫我...

[bikes]

So good! I would be honored to be a part of your brainstorming team and support you! I firmly believe your proposals will draw huge amounts of attention from the public! Pallet Racking

I think you damaged your brain