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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 " _: h" t; t" F+ n0 _3 n0 i

- n" d& i5 y; l" ^/ c+ B: K' ]; }- Y0 v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。  P9 P# M5 Z- P5 ?" o+ F
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!7 Q9 y+ w  F3 j( v3 `
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
4 C: y: S0 w" ?: h# `摘自   Obsolete Media - Forum9 I* \9 q" _+ c! Q
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
; ?; \  D8 q7 Y' ?" ^http://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558
( Y2 p; L  a2 ~3 n) o! v0 M1 x, rPosted on: June 16 2008 @ 01:43 PM 4 U% a! _% H2 ?; A- r1 Z/ `  _
By: RODALCO
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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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1 }2 L- m9 |) n+ ]* E( CLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
$ A' `, d$ z$ }4 [2 Z/ B- kA rare Sony turntable TTS 400 has the same chip used as well.) v# }, Y& [+ E9 u

0 G$ i8 Q% y" d1 r$ E' S# z9 u6 aThe supllier on this link has the IC listed.- o2 p  y; \+ V7 L9 N& u; u: |8 a$ e
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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$ c4 Y+ I1 M1 E+ i8 |6 [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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# _* J& e* i) E7 |7 yGru�, Raymond
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( x8 L# d1 L! A, h: tChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM : C, F" J% \) I, h2 o
By: RODALCO
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<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?( B% p8 g/ A. `; }
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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./ ?+ `% _+ ~" S0 ]! _; Y
This will help all Sony R2R users in the near future as well as our machines age over time.( s9 s* e" L+ J2 O( J
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Kind regards, Raymond
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1 C+ b/ C1 g7 Y4 x# a% x$ Z: 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
" A$ [0 e+ u! i1 U  M5 E# K: Dhttp://www.globalsemi.com/productdetails.aspx?itemno=875032100* H, R9 T9 J% v" k
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) N5 J0 A0 B* O% @; H
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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