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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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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。
* Y+ b9 X" ^! h1 r1 D8 d控制转速的IC, SONY CX-032各脚电压值如图
, F& x. Z$ X* J# s8 @ 22-1.jpg
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" v, A) ~6 a5 _: u5 t1 e; I; I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
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% n( g+ H5 p& J$ R4 b$ Y% a' E3 W- q有人走過相同的路了
  }+ }% j1 j1 z* h( o9 s摘自   Obsolete Media - Forum! z4 E. S1 z2 e. J1 G. X

- A2 V, n. c2 A4 M+ @+ F/ }http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 - T8 h& P5 U- u& ?, {) o8 j' }9 |! `
http://obsoletemedia.com/geeklog/forum/print.php?id=2025) a& b1 T8 S& I
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Chip CX-032B for Sony TC-558+ W+ M! o" h3 ]( b- e
Posted on: June 16 2008 @ 01:43 PM
0 e9 Q5 a2 t3 [& l6 b, @  n* qBy: RODALCO + d! P9 i0 L% D7 V

, a( I. t% L* @Content:   w7 n" B( n7 K# g0 ^+ q
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.! i0 T3 \5 o  i) o" l
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Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
6 ~/ r* ]: {# IA rare Sony turntable TTS 400 has the same chip used as well.; c* ^, x! J! W9 q! r

9 j& e& Z1 K& y. pThe supllier on this link has the IC listed.' s; F+ s! i9 I- {- W+ p1 E
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.
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" M2 V$ p$ j8 z1 N; rhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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" F7 k  W, Y3 T1 [% gGru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
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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?
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- K3 Z7 u; g$ |, a& n3 c/ ?2 ^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.: V( k" O3 Q- F6 n* X1 T  f  u
This will help all Sony R2R users in the near future as well as our machines age over time.
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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5 O* O# |& N- e# B4 y8 P1 D
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http://www.globalsemi.com/productdetails.aspx?itemno=875032100! B$ }* }" S/ 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
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 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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