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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。0 w  t3 T* g+ k
控制转速的IC, SONY CX-032各脚电压值如图3 T* h2 n* x% p' Y. M
22-1.jpg
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- y9 h; z4 ]7 w6 l9 L是IC坏了还是其它问题?如坏了,求着IC一块。谢谢!& {& c. j( ]) Y( y, ~
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 * j3 a4 [# o, ]
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有人走過相同的路了" y1 s9 e. g/ w! z3 ~
摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
- U7 H- l# I0 q- j7 ~http://obsoletemedia.com/geeklog/forum/print.php?id=20252 D2 o) z0 L: ~. |1 v: x1 i1 M

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/ d' ~) T% |& `3 j/ [2 z. WChip CX-032B for Sony TC-558$ O: H' J5 f. ?  ~
Posted on: June 16 2008 @ 01:43 PM
* l$ m  ?* |' f2 e& T0 H% ?By: RODALCO 5 S2 j/ R' O' H4 G
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Content: 4 O5 f& x" V4 x  C/ a' q

  \8 s; N$ v( p0 A, mHi, did a quick Google and found this link on a German Forum regarding the CX-032B chip." s6 t+ w0 o* o9 Z
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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.
$ F0 B1 f9 H1 {$ x, M* JA rare Sony turntable TTS 400 has the same chip used as well.: I% u$ N- S# U

$ Y+ W/ ], f7 }! T/ qThe supllier on this link has the IC listed.6 W$ f8 b2 s8 [" y, Q3 ^
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料). Y( W% N4 A$ ]0 K  a2 Z

% U# c6 |, ^1 RThe 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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Gru�, Raymond# r/ L+ t% \" e/ o7 X
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM
1 [. u; C: F9 V0 e5 zBy: RODALCO * t* G2 O3 G  \- V2 D7 G

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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?2 T% C2 z/ ^( i4 l
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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.
  e' Z0 Q8 b0 M3 @  [- d. eThis will help all Sony R2R users in the near future as well as our machines age over time.
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. |5 D8 N( e2 z* hKind regards, Raymond
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# H* h8 n, v9 q) D! X0 ~; r9 }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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3 P6 c) c! A/ t零件追蹤, `9 o; h& P) `/ v% K
http://www.globalsemi.com/productdetails.aspx?itemno=875032100, E% j& i# n* z1 b! w+ H
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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