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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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0 z( m. c; p, z. [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。" ?" U1 J  i! I. h6 @
控制转速的IC, SONY CX-032各脚电压值如图
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" I) E9 [( Z6 m# s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
  W, N3 l, E  {  W9 w4 M- l. x0 c摘自   Obsolete Media - Forum
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http://obsoletemedia.com/geeklog/forum/viewtopic.php?showtopic=2025
, X: h0 [4 k/ L8 e# U: mhttp://obsoletemedia.com/geeklog/forum/print.php?id=2025
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Chip CX-032B for Sony TC-558( T" |+ m, e7 L2 ^
Posted on: June 16 2008 @ 01:43 PM 4 J$ x) k8 K1 @- m- h
By: RODALCO
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# |: P7 a' t, \/ E, LContent:
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3 g+ l5 h5 j" V% M' C! SHi, 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.
5 k# L- F- i$ m* H3 o5 EA rare Sony turntable TTS 400 has the same chip used as well.4 E' ?1 B3 V! _
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The supllier on this link has the IC listed.! @" d8 s2 ~: e/ b5 P; |9 g
http://www.prelcoparts.com/sony.pdf                                             (沒有相關資料), _% R% z+ N8 I( b& t2 a4 d

* ^5 ~: d# y6 x, W% L. g7 I/ PThe German Bandmaschinen Forum thread.
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, X8 y% H4 A  D# o! Zhttp://mb.abovenet.de/forum2/showtopic.php?threadid=7232      ( 聯結失效)% Q  f7 l0 N9 J+ k, \- L

; ^7 v8 O& J; e$ CGru�, Raymond
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% O% K. T8 O9 B; c2 gChip CX-032B for Sony TC-558Posted on: June 17 2008 @ 01:35 PM 3 Q% Z6 s' U# {# ?0 s
By: RODALCO : p2 I0 u- U6 ^" ~6 X2 t* [
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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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$ a% u8 g: R9 ^4 U8 H' F5 Q% g( mI 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.
( x* f2 Y) ]1 _6 [, S5 YThis will help all Sony R2R users in the near future as well as our machines age over time.
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Kind regards, Raymond4 u% v3 b7 m' q- W) [( D2 a/ Y

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9 Q6 O; ^2 ~3 c7 e! r3 p有沒有用零件做出等效的主軸控制還要進一步追蹤; P5 p% o8 _, N2 S" V
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零件追蹤  a( c$ N( n6 y' k7 G
http://www.globalsemi.com/productdetails.aspx?itemno=875032100
) C3 ]4 W. @5 T' K+ l6 n( F9 \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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