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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 Y, G  Y5 d/ n4 m% m控制转速的IC, SONY CX-032各脚电压值如图" o  }0 Y& A9 j
22-1.jpg
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9 h# _4 q* p) w8 d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 ; a  N7 Z4 Z9 Q; o# {! [

. }9 k, J( O$ E$ m  q3 m( g6 S有人走過相同的路了# L; {; ~+ u, }/ O; J( y
摘自   Obsolete Media - Forum
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: D5 J) {; Y1 Rhttp://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
- J% f5 M8 _& F; W2 O* @  ?' {# lhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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, G. _. v- ?1 d1 n$ l, k. T  W& DChip CX-032B for Sony TC-558% m+ v) l: ^9 F7 `
Posted on: June 16 2008 @ 01:43 PM
8 g8 ?  x; z7 i0 s4 MBy: RODALCO 5 Q) k5 h- y# F
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Content:
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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 G, |3 f! S4 X$ U+ GLuckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.
  T( \. z* e; ^2 ?* g  `A rare Sony turntable TTS 400 has the same chip used as well.
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, Q. A* ~! p& Z7 j. sThe supllier on this link has the IC listed.
2 ?, F3 Y9 l6 vhttp://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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The German Bandmaschinen Forum thread.! K& ~6 M  _/ g% p

" R3 _+ Z, A% T$ l6 Xhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)
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Gru�, Raymond
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Chip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM ' S/ L0 T) H/ ^0 l
By: RODALCO * i8 D4 ~' X6 E0 V" p. b5 p+ H
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Content:
- m) D* E2 ?0 t<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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$ [4 }2 ^. ]% C. z5 b# R4 wI 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.
6 o* S0 [, [* \7 B2 m( aThis will help all Sony R2R users in the near future as well as our machines age over time.
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8 w9 @! g" Y+ S: t1 a) `Kind regards, Raymond/ }8 B- n( Y- P9 a

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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6 T) Q9 r6 k/ x6 G& `( u
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零件追蹤
* H  p& `: J0 chttp://www.globalsemi.com/productdetails.aspx?itemno=875032100# q7 ?, r; Y) ^8 }5 e
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0 {0 G( e: S. K
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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