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VH7PC を分解修理

自室で愛用しているKENWOODのRD-VH7PCの修理にチャレンジ。

P2124388

読み込まなくなったCDのピックアップ出力を調整したりしながらだましだまし使っていたのだけど、ここ数ヶ月ほど右スピーカからの音が極端に小さくなる症状が出ていた。どうやらこれはVH7PCの持病らしく、類似の症状がウェブのあちこちに報告されていて修理情報も豊富。

http://www.macfeeling.com/vh7pc/index.html
↑のウェブページを参考にしてメイン基盤を外し、スピーカ端子周辺のハンダをチェック。クラックらしきものは発見できず。ハンダ吸取機は持っていないので、既にのってるハンダを溶かして整形し、新しいハンダを少しつけておく。

VH7PCのメイン基盤へのアクセスはなかなか面倒くさくて、CD基盤まで何回かバラしたことがあったにも関わらず、30分以上かかってしまった。それにしても、これだけ色んなものが詰まった機械が1万円で買えるってのはほんとにすごい時代だよなぁ、なんて考えてしまう。ほんとは4,5万する機械なわけだけど・・・。

組み立て直してスピーカを繋ぎ、PCからUSB経由で再生・・・と、右スピーカーからもバッチリ音が出た。USB接続がたまに不安定になったり(運が悪いとPCがブルースクリーンで死ぬ)、CDの認識が極端に悪かったり(これはもう寿命のようだ)・・・といった問題はあるけれど、手軽に使えてそれなりの音で鳴ってくれるVH7PCにはもうしばらく頑張ってもらうことになりそうだ。

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