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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 ) K' D8 g( y8 x% y4 T$ P

  |$ G6 z/ j, X: S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。0 w* t1 ~, y3 N6 ~6 y
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
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有人走過相同的路了. O& G$ B& g" Z. j; u4 L
摘自   Obsolete Media - Forum( W. d. h1 J! l' J6 b- y2 d
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
' @0 n7 C& }8 i9 g. ]& s, Qhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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. x4 G  ~5 D( O9 I8 u; a2 \6 VChip CX-032B for Sony TC-558% W- D% k3 M( K- Y3 a* j
Posted on: June 16 2008 @ 01:43 PM
; @/ }' J% X0 f: x7 D/ oBy: 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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3 B/ X3 F1 d3 e1 XLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
: N! d! e/ O4 @: q0 D  i" WA rare Sony turntable TTS 400 has the same chip used as well.1 y5 n! Y# ]+ I; E1 Q9 }

( a' X; V9 Z" I6 BThe supllier on this link has the IC listed.
: F( b7 ~% a, x! W  b. Ghttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料): j6 V& M+ F& [- P
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The German Bandmaschinen Forum thread./ i; ^$ q; s6 P1 X7 t: H% G
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)4 h  ]/ @* \9 z6 e3 t- p

& W) {! l$ n& _  m: ~8 H5 ?0 x+ rGru�, Raymond6 B" K$ x, K/ k4 l

2 F& N; ~1 @9 W# N# sChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM - E) A5 \+ W  H7 ~( a. R6 H0 u* [
By: RODALCO # q' l& h" I. J0 R

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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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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.- I8 C' q9 J% j0 [& I! |7 S* R
This will help all Sony R2R users in the near future as well as our machines age over time.3 r/ C6 Y9 p4 V( J
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Kind regards, Raymond8 v' s% o! ]. h

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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
* L! p; C- [; b' R( I39.99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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