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求助:主马达不转

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发表于 2012-1-3 12:57:46 | 显示全部楼层 |阅读模式

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本帖最后由 大头猪 于 2012-1-3 21:39 编辑
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( t  ~. }5 T7 x' j' ^新年捡了部SONY TC-580,遗憾的是主马达不转,经检测怀疑是转速控制电路故障。如如图加一个电阻,主马达会转,改变阻值便可改变马达转速,但转速很不稳。* a- E6 I9 r) _% T, h* S
控制转速的IC, SONY CX-032各脚电压值如图
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!
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发表于 2012-1-4 12:40:17 | 显示全部楼层
本帖最后由 yjwu 于 2012-1-4 12:57 编辑 9 u: h" ^; l" J: X8 E; j* r) }

, c5 _* A8 N! o) M3 U有人走過相同的路了8 e* k* z% t! y* q) z; o
摘自   Obsolete Media - Forum
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/ D) \" N" a( s, s3 W+ Q8 [5 ohttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
* O: r" h* X8 W' r3 H7 {http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558" M7 l/ x9 c& {
Posted on: June 16 2008 @ 01:43 PM
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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0 h3 y9 o% K+ z) i! z" _Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.. O$ J! [% b. p' J0 g9 L6 c& ]
A rare Sony turntable TTS 400 has the same chip used as well.2 C# O3 t; N' s- [# n1 x
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The supllier on this link has the IC listed.# G* o# c0 T8 _  {6 c# @
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)& T$ V* L! y9 t# X
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The German Bandmaschinen Forum thread.
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( r$ E% l5 T1 f' i9 W7 s; m  @1 U/ ehttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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" w! T$ D8 c8 zGru�, Raymond
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( K, u, L  m  b4 s4 H) q0 R! \Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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+ d3 E; I# |* W9 i- |4 i- U0 D<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?# t* q$ P* O8 j& J) V# G

9 `4 ]! U% x& t2 C# K0 xI got some of my Dutch R2R friends to have a look at it as well and with a bit of luck they can design a circuit with disrete components.
4 m3 f6 a+ Z( l: C1 J- `. Q$ CThis will help all Sony R2R users in the near future as well as our machines age over time.& a+ n7 {9 M) i  K
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Kind regards, Raymond( }3 S* D3 A! k$ n3 F& s1 u* g
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7 ?/ j' x$ _6 l4 C$ R* M4 R- _有沒有用零件做出等效的主軸控制還要進一步追蹤
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零件追蹤% l+ H9 [+ `3 k9 C+ E
http://www.globalsemi.com/productdetails.aspx?itemno=875032100, @( S1 c4 \4 q7 e8 A
39.99美元 似無存貨 必須從其他舊機器拆 不過可能也是相同的毛病    -->  設計的弱點( [- d7 D5 _5 D5 n
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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