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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 + J, E2 b" L8 p, B
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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。5 g& A4 W5 T! @1 x$ h) T/ x
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!( z- F2 l4 M4 @; D
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
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有人走過相同的路了( b1 Z8 ?: e1 r' G/ |+ ?
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
* {+ X8 F+ T6 n2 a1 N! \http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-5583 y. i8 Q1 i; _8 O! h& i. _
Posted on: June 16 2008 @ 01:43 PM
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Content: 9 h! s" I, x: H4 s0 a7 D* m

5 V5 \) A$ m4 J) JHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.( x' j2 j  [- M. ^  U; A6 s

0 q- S8 K. o7 ]  S4 ^, mLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.9 m' d0 s( j5 c5 u3 P! P3 z- {' m
A rare Sony turntable TTS 400 has the same chip used as well.: N. w9 {' ^% {) Z( T; L

! f0 _. A& I/ a* b# p& x5 ?8 MThe supllier on this link has the IC listed.
+ w* t7 {% T( J- n$ `/ i8 E& Whttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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' W' i2 T6 _8 Y4 |: r5 DGru�, Raymond$ c# F; S* x0 H) |! H8 s2 G0 V: P

/ M2 j0 W% `; h2 M6 _Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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' |, B' ~* a$ r& q$ V& N7 k- n<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?
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) v- c" n0 {+ Z) g$ x& Z( N1 BI 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.# ~# \3 |, L: X, a
This will help all Sony R2R users in the near future as well as our machines age over time.
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! a1 W, \( U& a- M( iKind regards, Raymond$ K5 r( R4 [  Y2 A: d; g

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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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http://www.globalsemi.com/productdetails.aspx?itemno=875032100& W  ~& ]' [$ X. j3 Z( R  Q  `* f
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7 V( ^% m9 u" k# G! B, z
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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