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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 ' s7 {: \: }- x5 k7 }7 f7 u

, f+ d  T7 b& b) ]2 K4 |3 `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。
  _  r1 z) s- P  C7 k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 l  E% ^& f7 Z. u: p: r
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有人走過相同的路了  Q+ a3 [; z, }1 l2 R
摘自   Obsolete Media - Forum; k' p& ]1 B% B! h

/ O9 [5 H+ S9 h& ]( o7 R5 chttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
5 F; g  |% p* d" F( g( W3 l& s+ ehttp://obsoletemedia.com/geeklog/forum/print.php?id=2025& `) x2 f0 t* O4 n4 Z0 H0 ^

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Chip CX-032B for Sony TC-558& X+ N9 v' `! P# R; @: @  F$ W
Posted on: June 16 2008 @ 01:43 PM
5 c' u4 _! Z5 J; [1 fBy: RODALCO
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Content: 6 A# H! O5 Z" e1 O  j1 b
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.  B0 S2 Z# Y; V( [) v% X

- M9 h7 `9 k; `0 w/ H- KLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
$ \  Z1 t3 n6 C  O5 Q! v7 r: VA rare Sony turntable TTS 400 has the same chip used as well.0 P9 Y+ {, v* x, M

5 [! o, h# \4 g% x% \The supllier on this link has the IC listed.
7 _" \/ [" n  ~5 |" z$ b* Lhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.8 E6 Y) r1 O* ]* R
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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3 c# M0 L& @2 Q2 dGru�, Raymond
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/ X: n7 @- ^8 rChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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( s$ Q+ }3 s' e! U" C8 o8 ?* iContent:
9 I, j, X) f; B3 p! `<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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  g' Q' q5 O" tI 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.
' ], e4 L! q1 y( X& ^8 _This will help all Sony R2R users in the near future as well as our machines age over time.& v2 F$ n0 z- H& l' \: a$ E! q
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Kind regards, Raymond
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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) H# f3 B  R- ]+ D/ e% L7 D, \" {
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零件追蹤
3 j- r- t& H* q. q+ n, p/ I  a0 Ehttp://www.globalsemi.com/productdetails.aspx?itemno=875032100
5 X9 g1 A: P7 [9 d; l% [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, {& H! ]( @+ M& W
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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