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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 ; s( P, C# ?' {& r" e

. ^* ~8 B: P$ j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。
# F0 t2 ~& }+ `0 C6 ]* ^控制转速的IC, SONY CX-032各脚电压值如图! L/ A. n8 @4 q0 }  ~
22-1.jpg % q- |5 K  L+ ~% z

% h( Z6 C7 D) H% G1 w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
) v6 d0 _# S$ |* k. Y摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025 # E8 s+ G3 C" C: z4 r
http://obsoletemedia.com/geeklog/forum/print.php?id=2025. t0 l, R, F/ g- s
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Chip CX-032B for Sony TC-558
5 h- a* t4 q- o4 [3 D& x- t1 w7 e! E+ yPosted on: June 16 2008 @ 01:43 PM
1 k; \" P! U1 Y  W8 w8 z" sBy: RODALCO & C% ~, t* E/ @! _7 D; [

9 U- W' R' N% ~7 j8 p$ q1 dContent:   w' z4 T" i0 P
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Hi, did a quick Google and found this link on a German Forum regarding the CX-032B chip.8 J$ U7 J# O. w% e

/ u4 K4 ^# {( Y! lLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.1 G' y" @& ?! E
A rare Sony turntable TTS 400 has the same chip used as well.
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2 \8 b' f8 U/ g0 J( N- G1 e( E8 LThe supllier on this link has the IC listed.
/ c% j3 K! q: J" a% Q+ o+ }http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)/ A. J: U* y% w) E. H

: Z. M: `( G! S* U% @0 k1 t4 [6 w9 lThe 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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2 i" D( d: c$ p' y" u/ N6 DGru�, Raymond* }. }* B. k! p0 T2 X+ u! M# K
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
/ R! J* ]; o/ g" b% I6 K' S. {By: RODALCO
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1 e' {1 a1 q+ I1 ]; VContent:
0 g& j+ ^( T# K  V  k+ i6 p/ u' X<b>visitorj</b>, can you make a photo of the IC and the board please ? and the schema if you have it?/ y. E& I4 y8 c, c
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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.
- K, b4 w$ U+ c, G+ P# r9 o4 l& M# ^: ^This will help all Sony R2R users in the near future as well as our machines age over time.) b& E, n3 B9 h% i, @! ~

  }  d- w2 t, F5 u7 q3 MKind regards, Raymond
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" h/ u/ m5 V, ~* F有沒有用零件做出等效的主軸控制還要進一步追蹤6 n/ ?$ }: d" |: Z. j! J3 |1 t% F( h
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零件追蹤$ n& y  s  \& i7 }0 M6 B) B
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
- v* p0 _7 V; p& X6 q39.99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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