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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。
/ n8 i, ^2 m* T- @$ n6 R$ m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 - R8 `" C$ u: h3 a

4 T6 ^  i, W# l( f( a- L有人走過相同的路了! u4 r5 ^% X* ?3 w3 N6 z
摘自   Obsolete Media - Forum. j* c6 |7 [6 h) `/ @

1 M, R7 m, s, S' Z: ]http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
  n4 Y) T( R* m) }) f, ?) Zhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558. J4 T1 C% l+ B
Posted on: June 16 2008 @ 01:43 PM # L) k5 y6 G6 N+ Z
By: RODALCO % j' [3 h8 Q8 e6 f8 S5 v; f% }$ m" Z. ~

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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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Luckily I can read German and donor machines could also be a Sony TC 440 and Sony TC 580 which have the same chip.7 Z6 f' Q2 m% |) M6 F  }
A rare Sony turntable TTS 400 has the same chip used as well.& I/ ^' D2 T, c" ?! S
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The supllier on this link has the IC listed.6 ?# I; L1 Q7 D* q
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料)
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, M7 S+ U' m1 t. w/ T1 Y. S+ K* VThe German Bandmaschinen Forum thread.
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http://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)2 h4 x' ?" ^1 J  u: _

5 R5 {4 i" G( J4 x7 w( B2 NGru�, Raymond. n8 @& f) t! s* n
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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?+ h6 l  U/ u! W+ g- U2 i
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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.5 N1 {$ g# X0 F
This will help all Sony R2R users in the near future as well as our machines age over time.2 x6 ]; |3 Y9 ]" @2 @+ @9 v
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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
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零件追蹤
+ c2 N' Q# f5 g* A0 e9 p3 g  Hhttp://www.globalsemi.com/productdetails.aspx?itemno=8750321005 {) t0 x: L3 v! \' Q
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" h5 b! K" q$ k3 R. |
 楼主| 发表于 2012-1-4 12:59:13 | 显示全部楼层
谢谢!
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