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夢幻之聲CD33摩機求助

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ygliu 發表於 2008-4-12 09:11:30 | 顯示全部樓層 |閱讀模式
一台夢幻之聲CD33摩機,換運放2604>YD2200,換耦合電容MCAP、BLACKGATE,換膽6N3>5670,換濾波電容,效果非常不錯,高音很靚!有一日,覺得低頻差一點,就在膽電源中加入一油浸電感,換膽燈絲電容,試機,低音好了,但高音卻差了很多,人聲明顯底氣不足,聲粗,不靚聲,現換回運放,膽,電感都不行。問題出在那裏?CD機有升頻功能的。請各位老師幫幫我!腸子都悔青了! 非常期待......
kk_ho 發表於 2008-4-12 13:09:43 | 顯示全部樓層

Re: 夢幻之聲CD33摩機求助

please check your voltage before modification....

http://www.hififever.com/forum/viewtopic.php?t=1332


K Sir
viewer 發表於 2008-4-12 17:37:10 | 顯示全部樓層
Hi,光子,

I also have mhzs cd33 and heavy modified.
and also follow kk sir advise.
now the sound is very great at least = HK$ 10k cdp of other brand cdp.

costs of modification of KK Sir's advise just few hk dollar.

thank for sharing.
 樓主| ygliu 發表於 2008-4-16 14:41:24 | 顯示全部樓層
終於找到原因了!原來CD光頭至電路板一印刷排線經多次插撥,接觸不良所 至,用剪刀剪去3mm,問題終於解決!
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