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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 % U4 G$ A. S4 L, O
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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。% V* e; ~" D; F4 O; ?0 e! K) X
控制转速的IC, SONY CX-032各脚电压值如图9 p" Z2 ^% y( K+ K
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是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!: M% L9 i) v1 p6 K4 ]
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 7 [- z% n  q# U. \+ y3 X: Y

  l! N+ Y3 H$ I8 e4 K) ~. `有人走過相同的路了
. g& h: e( y5 z6 Z/ r1 s8 l摘自   Obsolete Media - Forum+ ~* `0 o6 {4 x

  ^: {4 n! j, L; E- F2 shttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 8 G+ Y# @7 k1 ^8 C7 \9 D
http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-5587 l2 ^( F% I% c4 @. s3 c) M
Posted on: June 16 2008 @ 01:43 PM . E: _% W5 v2 m' s1 A
By: RODALCO
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Content: % e" ~: Y; U  ]# A

& y+ ?* _/ k& o0 ]' DHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.
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7 {! M& {, \2 L) X& h- FLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
5 U; \" A& O0 G; Y9 {" t; v' aA rare Sony turntable TTS 400 has the same chip used as well.
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The supllier on this link has the IC listed.: `0 v) N  {" Y% K: u. X+ p) M
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)2 d/ m# s( g0 `, ~  c
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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). Z6 D6 m/ b! v: Y' H

. o" g* N7 C8 |3 h1 ?: t* l" {" FGru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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+ Z: W. @  i: W  v: F% IContent:
, K" A; e; E0 e$ q8 j<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?3 Z, B/ V! n" H, B* f  F! H
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I 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.1 ~( S( e3 W+ [; w9 x
This will help all Sony R2R users in the near future as well as our machines age over time.0 v$ s3 ]5 f  o! {" {: p( l
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Kind regards, Raymond+ r% n6 g( X! y
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. k: i# \0 q3 }9 r( n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8 d- H0 W  H" x9 R" V& W) I* I' K& L% K
http://www.globalsemi.com/productdetails.aspx?itemno=875032100, F( ^" h2 k9 o/ Z
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2 \& P$ t; g3 w4 N
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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